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LG MULTI V ARNU07GTUA4 Engineering Product Data Book
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LG MULTI V ARNU07GTUA4 Engineering Product Data Book

LG MULTI V ARNU07GTUA4 Engineering Product Data Book

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Table of Contents

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Indoor unit
(R410A)
0CVP0-03A(Replaces 0CVP0-02A)
P/No. : MFL55028429

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Table of Contents
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Summary of Contents for LG MULTI V ARNU07GTUA4

  • Page 1 Indoor unit (R410A) 0CVP0-03A(Replaces 0CVP0-02A) P/No. : MFL55028429...

  • Page 2: Indoor Unit

    Indoor unit • Introduction • General Information • Indoor Units • Dip Switch & Group Control Setting...
  • Page 3 Indoor unit Introduction 1. Preface R410A Model is the most favored choice when there is a need for precise air conditioning of relatively big pro- jects extending from Multi-Room structure to big commercial places. We have a big line up, that offers wider flexibility of model selection.
  • Page 4 Indoor unit Introduction 2. Step by Step System Selection Process Calculate or obtain the maximum heat load for the area(s) to be air conditioned Decide the indoor unit specifications Decide the outdoor unit specifications Capacity coefficient factor Decide the air velocity and temperature distributions Selection of refrigerant pipe joints and headers Selection of the control system Control wiring method...

  • Page 5: General Information

    Indoor unit General Information 1. Model Names 2. External Appearance 3. Nomenclature 4. Indoor Unit Capacity Index...

  • Page 6: Model Names

    Indoor unit 1. Model Names n Standard Model Capacity(Btu/h(kW)) Chassis Category Name (1.6) (2.2) (2.8) (3.6) (4.5) (5.6) (6.2) (7.1) (8.2) (9.0) (10.6) (12.3) (14.1) (15.8) (17.5) (22.4) (28.0) ● ● ● ● Wall ● ● Mounted Standard Unit ● ● ● ● Mirror ●...

  • Page 7: External Appearance

    Indoor unit 2. External Appearance n Standard Model Ceiling Cassette- 1Way Ceiling Concealed Duct - High Static ARNU28GBGA4 ARNU07GTU*4 ARNU36GBGA4 ARNU09GTU*4 ARNU42GBGA4 ARNU12GTU*4 ARNU48GBRA4 ARNU54GBRA4 ARNU76GB8A4 ARNU96GB8A4 ARNU18GTT*4 * A:Basic, C:Plasma ARNU24GTT*4 Ceiling Concealed Duct - High Sensible Ceiling Cassette -2Way ARNU07GBGA4 ARNU24GBRA4 ARNU09GBGA4...
  • Page 8 Indoor unit 2. External Appearance n Compact Model Ceiling Cassette- 4Way ARNU09GTR*4 * E : Basic, F : Plasma ARNU15GTR*4 * A : Basic, C : Plasma h In matters of combination with Outdoor unit system, refer the PDB of that outdoor units. h Indoor Units bigger than 54k and Fresh Air Intake Units can not be combined with Multi V III Solo system.
  • Page 9 Indoor unit 3. Nomenclature Serial Number Combinations of functions A:Basic function L:Neo Plasma(Wall Mounted) C:Plasma(Ceiling Cassette) G: Low Static U : Floor Standing without Case ART COOL Type Panel Color SB/SC - R:Mirror V:Silver W:White Z : Fresh Air Intake Unit Chassis Name Electrical Ratings 2:1Ø, 220V, 60Hz...
  • Page 10 Indoor unit 4. Indoor Unit Capacity Index Indoor unit capacity index Unit Capacity 12k 15k 18k 21k 24k 28k 30k 36k 42k 48k 54k 60k 76k 96k (Btu/h) Capacity Index 9.0 10.6 12.3 14.1 15.8 17.5 22.4 28.0 h Capacity Index is same as the capacity(kW). h In matters of combination with Outdoor unit system, refer the PDB of that outdoor units.
  • Page 11 Indoor unit n Standard Model Ceiling Cassette 1-Way Ceiling Cassette 2-Way Ceiling Cassette 4-way Ceiling Cassette 4-way(2) Ceiling Concealed Duct(High Static) Ceiling Concealed Duct(High Sensible) Ceiling Concealed Duct(Middle Static) Ceiling Concealed Duct(Low Static) Ceiling Concealed Duct(Built in (Low Static)) Floor Standing Fresh Air Intake Unit Wall mounted unit (Standard) ARTCOOL (Mirror)
  • Page 12 Indoor unit Ceiling Cassette 1-Way 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...

  • Page 13: List Of Functions

    Indoor unit 1. List of functions ARNU07GTU*4, ARNU09GTU*4, ARNU12GTU*4 Category Function ARNU18GTT*4, ARNU24GTT*4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 4 / 5 / 4 Chaos swing Chaos wind(auto wind) Jet cool(Power wind)

  • Page 14: Specifications

    Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 1Way Ceiling Cassette Model Unit ARNU07GTU ARNU09GTU ARNU12GTU Cooling Capacity kcal/h 1,900 2,400 3,100 Btu/h 7,500 9,600 12,300 Heating Capacity kcal/h 2,200 2,800 3,400 Btu/h 8,500 10,900 13,600 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 860 x 132 x 450...
  • Page 15 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 1Way Ceiling Cassette Model Unit ARNU18GTT*4 ARNU24GTT*4 Cooling Capacity kcal/h 4,800 6,100 Btu/h 19,100 24,200 Heating Capacity kcal/h 5,400 6,100 Btu/h 21,500 24,200 Casing Galvanized Steel Plate Galvanized Steel Plate 1,180 x 132 x 450 1,180 x 132 x 450 Body...
  • Page 16 Indoor unit 3. Dimensions Ceiling Cassette 1-Way...
  • Page 17 Indoor unit 3. Dimensions Ceiling Cassette 1-Way...
  • Page 18 Indoor unit 3. Dimensions Ceiling Cassette 1-Way...
  • Page 19 Indoor unit 3. Dimensions Ceiling Cassette 1-Way...

  • Page 20: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter C.F.F. Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU07GTU*4 ARNU09GTU*4 Ø6.35(1/4) Ø12.7(1/2) ARNU12GTU*4 ARNU18GTT*4 ARNU24GTT*4 Ø15.88(5/8) Ø9.52(3/8) LOC. Description Room thermistor Pipe in thermistor Pipe out thermistor Ceiling Cassette 1-Way...

  • Page 21: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams TU, TT Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-MOTOR1 Fan motor output Motor output of BLDC CN_DPUMP Drain pump output AC output for drain pump CN-GRILL Elevation grill Elevation grill line CN-PTC Aux heater Aux heater line CN-LEAK Refrigerant leak detector Refrigerant leak detector line...

  • Page 22: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 23 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 24: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 25 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 26 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU07GTU*4 Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] Temperature [°C] Temperature [°C] ARNU09GTU*4 Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] Temperature [°C] Temperature [°C]...
  • Page 27 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU12GTU*4 Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] Temperature [°C] Temperature [°C] ARNU18GTT*4 Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] Temperature [°C] Temperature [°C]...
  • Page 28 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU24GTT*4 Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] Temperature [°C] Temperature [°C] Note: The standard setup height is 2.7m. Shown here is the measurement distribution at the ceiling height of 2.7m Fan operating mode is high.

  • Page 29: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range ARNU07GTU*4 0.23 0.03 0.18 ARNU09GTU*4 0.23 0.03 0.18 Max:264 ARNU12GTU*4 220-240 0.23 0.03 0.18 Min:198 ARNU18GTT*4 0.38 0.03 0.30 ARNU24GTT*4 0.38 0.03 0.30 ARNU07GTU*4 0.23 0.03 0.18...

  • Page 30: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), 1.5m Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB),...

  • Page 31: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU07GTU*4 50.0 used air guide.
  • Page 32 Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Outlet Inlet Wired Remote...

  • Page 33: Ceiling Opening Dimensions And Hanging Bolt Location

    Indoor unit 10. Installation 10.2 Ceiling opening dimensions and hanging bolt location • The dimensions of the paper model for installation 1,385 are the same as those of the ceiling opening dimen- 1,285 sions. 1,180 Ceiling TT Chassis Level gauge 1,065 CAUTION •...

  • Page 34: Wiring Connection

    Indoor unit 10. Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 (W3/8 or M10) (accessory) Air conditioner body Ceiling board Ceiling board Spring washer (M10) Flat washer for M10 (accessory) Set screw of Paper model...
  • Page 35 Indoor unit 10. Installation 10.4 Installation of Decoration Panel (Panel Type) The decoration panel has its installation Before installing the decoration panel, direction. always remove the paper template. 1. Open the air outlet vane, and extract side covers. 2. Remove the air inlet panel from the decoration panel. 3.

  • Page 36: Installation Of Decoration Panel(Grille Type)

    Indoor unit 10. Installation 10.5 Installation of Decoration Panel(Grille Type) The decoration panel has its installation Before installing the decoration panel, direction. always remove the paper template. 1. Open the air outlet vane, and extract side covers. 2. Remove the air inlet grille from the decoration panel. 3.

  • Page 37: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.6 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not allowed not to provide up-and-down slope to prevent reversal flow. • During drain piping connection, be careful not to exert extra Indoor unit force on the drain port on the indoor unit.

  • Page 38: Wired Remote Controller Installation

    Indoor unit 10. Installation CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have separate power specially for the air conditioner. As for the method of wiring, follow the circuit diagram pasted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
  • Page 39 Indoor unit 11. Accessories Washer for Insulation for Plastic band Name Clamp metal Drain hose hanging bracket fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET Shape for gas pipe for liquid pipe Name Paper pattern for installation Installation and Owner's manual Quantity Shape...

  • Page 40: Indoor Unit

    Indoor unit Ceiling Cassette 2-Way 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...
  • Page 41 Indoor unit 1. List of functions ARNU09GTL*4, ARNU12GTL*4 Category Function ARNU18GTL*4, ARNU24GTL*4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 4 / 5 / 4 Chaos swing Chaos wind(auto wind) Jet cool(Power wind)

  • Page 42: Specifications

    Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 2Way Ceiling Cassette Model Unit ARNU09GTL*4 ARNU12GTL*4 Cooling Capacity kcal/h 2,400 3,100 Btu/h 9,600 12,300 Heating Capacity kcal/h 2,800 3,400 Btu/h 10,900 13,600 Casing Galvanized Steel Plate Galvanized Steel Plate 830 ×...
  • Page 43 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 2Way Ceiling Cassette Model Unit ARNU18GTL*4 ARNU24GTL*4 Cooling Capacity kcal/h 4,800 6,100 Btu/h 19,100 24,200 Heating Capacity kcal/h 5,400 6,900 Btu/h 21,500 27,300 Casing Galvanized Steel Plate Galvanized Steel Plate 830 x 225 x 550 830 x 225 x 550 Body...
  • Page 44 Indoor unit 3. Dimensions Ceiling Cassette 2-way...

  • Page 45: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter C.F.F. Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU09GTL*4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GTL*4 Ø12.7(1/2) Ø6.35(1/4) ARNU18GTL*4 Ø12.7(1/2) Ø6.35(1/4) ARNU24GTL*4 Ø15.88(5/8) Ø9.52(3/8) LOC. Description Room thermistor Pipe in thermistor Pipe out thermistor Ceiling Cassette 2-way...

  • Page 46: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams TL Chassis CONNECTOR NUMBER SPEC DESCRIPTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D/PUMP Drain pump output AC output for drain pump CN-485 Communication...

  • Page 47: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 48 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 49: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 50 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 51 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU09GTL*4 Cooling Heating Discharge angle: 40° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU12GTL*4 Cooling Heating Discharge angle: 40° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] 2.7m...
  • Page 52 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU18GTL*4 Cooling Heating Discharge angle: 40° Discharge angle: 60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m 1.5(4.9) 1.5(4.9) 1.5(4.9) 1.5(4.9) 0.5 0.5 0.5 2.0 2.0 2.0 2.0 1.0(3.3) 1.0(3.3) 1.5 1.5 1.5 1.5 1.0 1.0 1.0 1.0 1.0...

  • Page 53: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range ARNU09GTL*4 0.47 0.04 0.37 ARNU12GTL*4 0.47 0.04 0.37 Max:264 220-240 Min:198 ARNU18GTL*4 0.47 0.04 0.37 ARNU24GTL*4 0.47 0.04 0.37 ARNU09GTL*4 0.47 0.04 0.37 ARNU12GTL*4 0.47 0.04 0.37...

  • Page 54: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz 1.5m - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), Microphone...

  • Page 55: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU09GTL*4 55.0 used air guide.

  • Page 56: Required Parts

    Indoor unit 10. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Anti-bacteria filter Wired Air Intake...
  • Page 57 Indoor unit 10. Installation 10.2 Ceiling opening dimensions and hanging bolt location • The dimensions of the paper pattern for installation are the same as those of the ceiling opening dimensions. Ceiling board Ceiling Level gauge • Select and mark the position for fixing bolts and piping hole.
  • Page 58 Indoor unit 10. Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 (W3/8 or M10) False Air Conditioner body (accessory) False ceiling board ceiling board Flat washer for M10 (accessory) Paper pattern Set screw of...

  • Page 59: Installation Of Decoration Panel

    Indoor unit 10. Installation 10.4 Installation of Decoration Panel The decoration panel has its installation Before installing the decoration panel, direction. always remove the paper template. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included in the indoor unit box.

  • Page 60: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): Make sure not allowed not to provide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.

  • Page 61: Wired Remote Controller Installation

    Indoor unit 10. Installation CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have separate power specially for the air conditioner. As for the method of wiring, follow the circuit dia- gram pasted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
  • Page 62 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Bolt Clamp metal Name Drain hose hanging bracket (Tie Wrap) fitting Quantity 2 EA 1 EA 1 set 8 EA 4 EA 4 EA • Paper pattern for installation •...

  • Page 63: Indoor Unit

    Indoor unit Ceiling Cassette 4-way 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...
  • Page 64 Indoor unit 1. List of functions ARNU05GTR*4, ARNU07GTR*4, ARNU09GTR*4, ARNU12GTR*4 Category ARNU15GTQ*4, ARNU18GTQ*4, ARNU21GTQ*4, ARNU24GTP*4, ARNU28GTP*4, Function ARNU30GTP*4, ARNU36GTN*4, ARNU42GTM*4, ARNU48GTM*4, ARNU54GTM*4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up &...

  • Page 65: Specifications

    Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 4 Way Ceiling Cassette Model Unit ARNU05GTR*4 ARNU07GTR*4 ARNU09GTR*4 Cooling Capacity kcal/h 1,400 1,900 2,400 Btu/h 5,500 7,500 9,600 Heating Capacity kcal/h 1,500 2,200 2,800 Btu/h 6,100 8,500 10,900 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate...
  • Page 66 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 4 Way Ceiling Cassette Model Unit ARNU12GTR*4 ARNU15GTQ*4 ARNU18GTQ*4 Cooling Capacity kcal/h 3,100 3,900 4,800 Btu/h 12,300 15,400 19,100 Heating Capacity kcal/h 3,400 4,300 5,400 Btu/h 13,600 17,100 21,500 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate...
  • Page 67 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma 4 Way Ceiling Cassette Type Model Unit ARNU21GTQ*4 ARNU24GTP*4 ARNU28GTP*4 Cooling Capacity 5,100 6,100 7,100 kcal/h Btu/h 20,500 24,200 28,000 Heating Capacity 5,800 6,900 8,000 kcal/h Btu/h 23,200 27,300 31,500 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate...
  • Page 68 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma 4 Way Ceiling Cassette Type Model Unit ARNU30GTP*4 ARNU36GTN*4 ARNU42GTM*4 Cooling Capacity 10.6 12.3 7,700 9,100 10,600 kcal/h Btu/h 30,700 36,200 42,000 Heating Capacity 10.0 11.9 13.8 8,600 10,200 11,000 kcal/h Btu/h 34,100 40,600...
  • Page 69 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma 4 Way Ceiling Cassette Type ARNU48GTM*4 ARNU54GTM*4 Model Unit 14.1 15.8 Cooling Capacity 12,100 13,600 kcal/h 48,100 54,000 Btu/h 15.9 18.0 Heating Capacity 13,200 15,500 kcal/h 51,200 61,400 Btu/h Galvanized Steel Plate Galvanized Steel Plate Casing 840 x 288 x 840...
  • Page 70 Indoor unit 3. Dimensions Ceiling Cassette 4-way...
  • Page 71 Indoor unit 3. Dimensions Ceiling Cassette 4-way...
  • Page 72 Indoor unit 3. Dimensions Ceiling Cassette 4-way...
  • Page 73 Indoor unit 3. Dimensions 10 _ Ceiling Cassette 4-way...
  • Page 74 Indoor unit 3. Dimensions _ 11 Ceiling Cassette 4-way...

  • Page 75: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Turbo Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU05GTR*4 Ø12.7(1/2) Ø6.35(1/4) ARNU07GTR*4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GTR*4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GTR*4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GTQ*4 Ø12.7(1/2) Ø6.35(1/4) ARNU18GTQ*4 Ø12.7(1/2) Ø6.35(1/4) ARNU21GTQ*4...

  • Page 76: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams TR/TQ Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-MOTOR1 Fan motor output Motor output of BLDC CN_DPUMP Drain pump output AC output for drain pump CN-GRILL Elevation grill Elevation grill line CN-PTC Aux heater Aux heater line CN-LEAK Refrigerant leak detector Refrigerant leak detector line...
  • Page 77 Indoor unit 5. Wiring Diagrams TM/TN/TP Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-MOTOR1 Fan motor output Motor output of BLDC CN_DPUMP Drain pump output AC output for drain pump CN-GRILL Elevation grill Elevation grill line CN-PTC Aux heater Aux heater line CN-LEAK Refrigerant leak detector Refrigerant leak detector line...

  • Page 78: Capacity Tables

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 79 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 80 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 10.8 10.6 10.5 10.4 10.2 10.1 10.0 Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 81 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 10.8 11.8 10.8 11.7 10.8 11.5 10.8 11.4 10.8 11.2 10.8 11.0 10.8 11.0 10.8 10.8 10.6 10.6 10.4 10.5 10.3 10.4 10.1 10.3...
  • Page 82 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 11.3 13.2 10.0 14.1 10.2 15.0 10.5 16.9 10.9 18.5 10.8 11.3 13.2 10.0 14.1 10.2 15.0 10.5 16.9 10.9 18.3 10.7 11.3 13.2...

  • Page 83: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 84 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 85 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 86 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 87 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 11.1 11.1 11.1 11.1 11.1 11.0 -19.8 -20.0 11.7 11.7 11.6 11.6 11.6 11.6 -18.8 -19.0 12.0 11.9 11.9 11.9...
  • Page 88 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU05GTR*4, ARNU07GTR*4, ARNU09GTR*4 Cooling Heating Discharge angle: 50° Discharge angle: 40° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m 2.5m 1.5m 1.5m 2.5m 2.5m 1.5m 1.5m 2.5m Temperature [°C] Temperature [°C] 2.7m 2.7m 2.5m...
  • Page 89 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU15GTQ*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU18GTQ*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m...
  • Page 90 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU21GTQ*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU24GTP*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m...
  • Page 91 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU28GTP*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU30GTP*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m...
  • Page 92 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU36GTN*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU42GTM*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 3.2m...
  • Page 93 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU48GTM*4, ARNU54GTM*4 Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [m/s] Air velocity [m/s] 3.2m 3.2m Temperature [°C] Temperature [°C] 3.2m 3.2m Note: Fan operating mode is high. 30 _ Ceiling Cassette 4-way...
  • Page 94 Indoor unit 8. Electric Characteristicss Units Power Supply Input(W) Model Type Volts Voltage Range Cooling Heating ARNU05GTR*4 0.25 0.043 0.20 ARNU07GTR*4 0.25 0.043 0.20 ARNU09GTR*4 0.25 0.043 0.20 ARNU12GTR*4 0.25 0.043 0.20 ARNU15GTQ*4 0.25 0.043 0.20 ARNU18GTQ*4 0.25 0.043 0.20 ARNU21GTQ*4 0.25 0.043...

  • Page 95: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), Ceiling Outdoor temperature (35°C DB, 24°C WB) 1.5m...
  • Page 96 Indoor unit 9. Sound Levels ARNU12GTR*4 ARNU15GTQ*4 ARNU18GTQ*4 NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25 NC-25 NC-25 Approximate Approximate Approximate NC-20 NC-20 NC-20 Hearing Hearing...
  • Page 97 Indoor unit 9. Sound Levels ARNU48GTM*4 ARNU54GTM*4 NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Approximate Approximate NC-20 NC-20 Hearing Hearing Threshold Threshold NC-15 NC-15 1000 2000 4000 8000 1000 2000 4000 8000 Octave Band Center Frequency (Hz)

  • Page 98: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) Model • Data is valid at diffuse field condition High Fan Speed • Data is valid at nominal operating condition ARNU05GTR*4 46.0 • Sound level can be increased in static pressure mode or ARNU07GTR*4 46.0 used air guide.
  • Page 99 Indoor unit 9. Sound Levels ARNU28GTP*4 ARNU30GTP*4 ARNU24GTP*4 NR-90 NR-90 NR-90 NR-85 NR-85 NR-85 NR-80 NR-80 NR-80 NR-75 NR-75 NR-75 NR-70 NR-70 NR-70 NR-65 NR-65 NR-65 NR-60 NR-60 NR-60 NR-55 NR-55 NR-55 NR-50 NR-50 NR-50 NR-45 NR-45 NR-45 NR-40 NR-40 NR-40 NR-35 NR-35...

  • Page 100: Installation

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Anti-bacteria filter Intake Air Outlet...
  • Page 101 Indoor unit 10. Installation n TQ/TR Chassis 10(13/32) or more Ceiling Ceiling Board Ceiling Board 500(19-11/16) 500(19-11/16) or more 30(1-3/16) or more ±3(1/8) Unit:mm(inch) Floor n TP Chassis 10(13/32) or more Ceiling Ceiling Board Ceiling Board 500(19-11/16) 500(19-11/16) or more 15(19/32) or more ±3(1/8)
  • Page 102 Indoor unit 10. Installation 10.2 Ceiling opening dimensions and hanging bolt location • The dimensions of the paper pattern for installation are the same as those of the ceiling opening dimensions. Ceiling Ceiling board Level gauge TQ/TR Chassis TM/TN/TP Chassis 585~660(Ceiling opening) 875(Ceiling opening) 787(Hanging bolt)
  • Page 103 Indoor unit 10. Installation NOTE: • Avoid the following installation location. 1. Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated. These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function. In these cases, take the following actions;...
  • Page 104 Indoor unit 10. Installation 10.3 Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.

  • Page 105: Installation Of Decoration Panel

    Indoor unit 10. Installation 10.4 Installation of Decoration Panel Before installing the decoration panel, The decoration panel has its installation always remove the paper template. direction. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included in the indoor unit box.

  • Page 106: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not to pro- not allowed vide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.

  • Page 107: Wired Remote Controller Installation

    Indoor unit 10. Installation CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have separate power specially for the air conditioner. As for the method of wiring, follow the circuit diagram pasted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
  • Page 108 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Bolt Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET 4 EA • Paper pattern for installation •...

  • Page 109: Ceiling Cassette 4-Way

    Indoor unit Ceiling Cassette 4-way(2) 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...
  • Page 110 Indoor unit 1. List of functions Category ARNU07GTN*4, ARNU15GTN*4, ARNU18GTN*4, ARNU24GTM*4 Function Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 4 / 5 / 4 Chaos swing Chaos wind(auto wind) Jet cool(Power wind)

  • Page 111: Specifications

    Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Model Unit ARNU07GTN*4 ARNU15GTN*4 ARNU18GTN*4 Cooling Capacity kcal/h 1,900 3,900 4,800 Btu/h 7,500 15,400 19,100 Heating Capacity kcal/h 2,200 4,300 5,400 Btu/h 8,500 17,100 21,500 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 840 x 246 x 840 840 x 246 x 840...
  • Page 112 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Model Unit ARNU24GTM*4 Cooling Capacity kcal/h 6,100 Btu/h 24,200 Heating Capacity kcal/h 6,900 Btu/h 27,300 Casing Galvanized Steel Plate 840 x 288 x 840 Body inch 33-1/16 x 11-11/32 x 33-1/16 Dimensions(WxHxD) 950 x 25 x 950 Front Panel...
  • Page 113 Indoor unit 3. Dimensions Ceiling Cassette 4-way(2)
  • Page 114 Indoor unit 3. Dimensions Ceiling Cassette 4-way(2)

  • Page 115: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Turbo Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU07GTN*4 Ø15.88(5/8) Ø9.52(3/8) ARNU15GTN*4 Ø15.88(5/8) Ø9.52(3/8) ARNU18GTN*4 Ø15.88(5/8) Ø9.52(3/8) ARNU24GTM*4 Ø15.88(5/8) Ø9.52(3/8) LOC. Description Room thermistor Pipe in thermistor Pipe out thermistor Ceiling Cassette 4-way(2)

  • Page 116: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams TM/TN Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-MOTOR1 Fan motor output Motor output of BLDC CN_DPUMP Drain pump output AC output for drain pump CN-GRILL Elevation grill Elevation grill line CN-PTC Aux heater Aux heater line CN-LEAK Refrigerant leak detector Refrigerant leak detector line...

  • Page 117: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 118 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 119: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 120 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 121 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU07GTN*4 Cooling Heating Discharge angle: 50° Discharge angle: 40° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m 2.0 2.0 2.0 2.0 2.0 2.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.0( 1.0( 1.0 1.0( 1.0( 1.0...
  • Page 122 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU18GTN*4 Cooling Heating Discharge angle: 40 Discharge angle: 50 ° ° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU24GTM*4 Cooling Heating Discharge angle: 40° Discharge angle: 50°...

  • Page 123: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Model Type Volts Voltage Range Cooling Heating ARNU07GTN*4 0.71 0.135 0.56 Max:264 ARNU15GTN*4 0.71 0.135 0.56 220-240 Min:198 ARNU18GTN*4 0.71 0.135 0.56 ARNU24GTM*4 1.60 0.135 1.30 ARNU07GTN*4 0.71 0.135 0.56 ARNU15GTN*4 0.71 0.135 0.56...

  • Page 124: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), Ceiling Outdoor temperature (35°C DB, 24°C WB) 1.5m...
  • Page 125 Indoor unit 9. Sound Levels ARNU24GTM*4 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 Approximate NC-20 Hearing Threshold NC-15 1000 2000 4000 8000 Octave Band Center Frequency (Hz) 16 _ Ceiling Cassette 4-way(2)

  • Page 126: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model High Fan Speed • Data is valid at nominal operating condition ARNU07GTN*4 44.0 • Sound level can be increased in static pressure mode or used air guide.

  • Page 127: Required Parts

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Anti-bacteria filter Intake Air Outlet...

  • Page 128: Ceiling Opening Dimensions And Hanging Bolt Location

    Indoor unit 10. Installation n TM/TN Chassis 10(13/32) or more Ceiling Ceiling Board Ceiling Board 500(19-11/16) 500(19-11/16) or more 15(19/32) or more ±3(1/8) Unit:mm(inch) Floor 10.2 Ceiling opening dimensions and hanging bolt location • The dimensions of the paper pattern for installation are the same as those of the ceiling opening dimensions. Ceiling Ceiling board Level gauge...
  • Page 129 Indoor unit 10. Installation NOTE: • Avoid the following installation location. 1. Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated. These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function. In these cases, take the following actions;...

  • Page 130: Wiring Connection

    Indoor unit 10. Installation 10.3 Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
  • Page 131 Indoor unit 10. Installation 10.4 Installation of Decoration Panel Before installing the decoration panel, The decoration panel has its installation always remove the paper template. direction. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included in the indoor unit box.

  • Page 132: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not to pro- not allowed vide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.

  • Page 133: Wired Remote Controller Installation

    Indoor unit 10. Installation CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have separate power specially for the air conditioner. As for the method of wiring, follow the circuit diagram pasted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
  • Page 134 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Bolt Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET 4 EA • Paper pattern for installation •...

  • Page 135: Indoor Unit

    Indoor unit Ceiling Concealed Duct (High Static) 1. List of functions 2. Specifications 3. Dimensions & Gravity point 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. External Static Pressure(E.S.P) & Air Flow 8. Electric Characteristics 9. Sound Levels 10.

  • Page 136: List Of Functions

    Indoor unit 1. List of functions ARNU28GBGA4, ARNU36GBGA4, ARNU42GBGA4, ARNU48GBRA4 Category Function ARNU54GBRA4, ARNU76GB8A4, ARNU96GB8A4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 3 / 3 Chaos swing Chaos wind(auto wind)

  • Page 137: Specifications

    Indoor unit 2. Specifications Type Ceiling Concealed Duct(High Static) Model Unit ARNU28GBGA4 Cooling Capacity kcal/h 7,100 Btu/h 28,000 Heating Capacity kcal/h 8,000 Btu/h 31,500 Casing Galvanized Steel Plate 1,182 x 298 x 450 Dimensions(WxHxD) Body inch 46-17/32 x 11-23/32 x 17-23/32 Rows x Columns x FPI 3 x 12 x 21 Coil...
  • Page 138 Indoor unit 2. Specifications Ceiling Concealed Duct(High Static) Type ARNU36GBGA4 ARNU42GBGA4 ARNU48GBRA4 Model Unit 10.6 12.3 14.1 9,100 10,600 12,100 Cooling Capacity kcal/h 36,200 42,000 48,100 Btu/h 11.9 13.8 15.9 10,200 11,800 13,600 Heating Capacity kcal/h 40,600 47,000 54,200 Btu/h Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate...
  • Page 139 Indoor unit 2. Specifications Type Ceiling Concealed Duct(High Static) Model Unit ARNU54GBRA4 ARNU76GB8A4 ARNU96GB8A4 15.8 22.4 28.0 Cooling Capacity kcal/h 13,600 19,300 24,100 Btu/h 54,000 76,400 95,900 18.0 25.2 31.5 Heating Capacity kcal/h 15,500 21,700 27,100 Btu/h 61,400 86,000 107,500 Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate...
  • Page 140 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(High Static)
  • Page 141 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(High Static)
  • Page 142 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(High Static)

  • Page 143: Piping Diagrams

    Indoor unit 4. Piping Diagrams BG, BR Chassis :Cooling Heat Exchanger :Heating Filter Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU28GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU36GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU42GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU48GBRA4 Ø15.88(5/8) Ø9.52(3/8) ARNU54GBRA4 Ø15.88(5/8) Ø9.52(3/8) LOC.
  • Page 144 Indoor unit 4. Piping Diagrams B8 Chassis :Cooling Heat Exchanger :Heating Filter Check Valve Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU76GB8A4 Ø19.05(3/4) Ø9.52(3/8) ARNU96GB8A4 Ø22.2(7/8) Ø9.52(3/8) LOC. Description PCB Connector (Color) Thermistor for room air temperature CN-ROOM (Yellow) Thermistor for pipe in temperature CN-PIPE_IN (White)

  • Page 145: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams BG Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump CN-COM...
  • Page 146 Indoor unit 5. Wiring Diagrams BR Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump CN-COM...
  • Page 147 Indoor unit 5. Wiring Diagrams B8 Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1, CN-MOTOR2 Fan motor output Motor output of BLDC CN-D/PUMP Drain pump output AC Output for drain pump CN-COM Communication Connection between indoor and outdoor...

  • Page 148: Capacity Tables

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 10.8 10.6 10.5 10.4 10.2 10.1 10.0 10.6 11.3 12.7 13.9 10.6 11.3 12.7 13.7 10.6 11.3 12.7 13.6 10.6 11.3...
  • Page 149 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 11.3 13.2 10.4 14.1 10.6 15.0 10.9 16.9 11.4 18.5 11.3 11.3 13.2 10.4 14.1 10.6 15.0 10.9 16.9 11.4 18.3 11.1 11.3 13.2...
  • Page 150 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 18.9 16.1 22.5 17.7 26.0 19.2 28.0 19.6 30.0 20.4 33.5 21.1 36.7 20.8 18.9 16.1 22.5 17.7 26.0 19.2 28.0 19.6 30.0 20.4...

  • Page 151: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 152 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 11.1 11.1 11.1 11.1 11.1 11.0 -19.8 -20.0 11.7 11.7 11.6 11.6 11.6 11.6 -18.8 -19.0 12.0 11.9 11.9 11.9...
  • Page 153 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 18.2 18.2 18.1 18.1 18.1 18.0 -21.8 -22.0 22.0 22.0 21.9 21.9 21.9 21.8 -19.8 -20.0 23.2 23.2 23.0 23.0 23.0 22.9...
  • Page 154 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU28GBGA4, ARNU36GBGA4, ARNU42GBGA4 (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 5(49) 6(59) 7(69) 8(78) 9(88) 10(98) 12(118) 14(137) 16(157) 12.1 17.0 13.5 11.0 21.4 18.6 17.5 14.0 11.6 25.6 24.0 21.8 19.8 17.9 14.6...

  • Page 155: Fan Performance

    Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU76GB8A4, ARNU96GB8A4 (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 6(59) 9(88) 12(118) 15(147) 18(177) 20(196) 22(216) 23(226) 25(245) 40.5 52.7 63.7 47.1 71.1 56.9 44.7 76.3 69.7 55.2 83.3 78.6 67.4 55.9 89.7 87.1...
  • Page 156 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU28GBGA4, ARNU36GBGA4, ARNU42GBGA4 Lower Limit of External Upper Limit of External Standard Capacity Mode Set value Static Pressure(mmAq(Pa)) Static Pressure(mmAq(Pa)) ESP(mmAq(Pa)) 25.9 High 8(78) 16(157) 10(98) 24.1 (factory set) 21.8 25.3 5(49) 10(98)

  • Page 157: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Model Type Volts Voltage Range Cooling Heating ARNU28GBGA4 3.31 0.350 2.65 ARNU36GBGA4 3.31 0.350 2.65 ARNU42GBGA4 3.31 0.350 2.65 Max:264 220-240 ARNU48GBRA4 4.40 0.370 3.50 Min:198 ARNU54GBRA4 4.40 0.370 3.50 ARNU76GB8A4 6.50 0.750 5.20...

  • Page 158: Sound Levels

    Indoor unit 9. Sound Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit DISCHARGE SUCTION 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz DUCT DUCT - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), 1.5m...
  • Page 159 Indoor unit 9. Sound Levels Sound Pressure Level (80Pa) ARNU28GBGA4 ARNU36GBGA4 ARNU42GBGA4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40...
  • Page 160 Indoor unit 9. Sound Levels Sound Pressure Level (140Pa) ARNU28GBGA4 ARNU36GBGA4 ARNU42GBGA4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40...
  • Page 161 Indoor unit 9. Sound Levels Sound Pressure Levels (dB(A),H-M-L) Model External Static Pressure (Pa) ARNU48GBRA4 38-36-34 39-37-35 40-39-37 41-40-38 42-41-39 ARNU54GBRA4 39-37-35 40-38-36 41-39-38 Sound Pressure Level (50Pa) ARNU48GBRA4 ARNU54GBRA4 High High ▲ Mid ▲ Mid l Low l Low NC-65 NC-65 NC-60...
  • Page 162 Indoor unit 9. Sound Levels Sound Pressure Level (100Pa) ARNU48GBRA4 ARNU54GBRA4 High High ▲ Mid ▲ Mid l Low l Low NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Approximate Approximate NC-20 NC-20...
  • Page 163 Indoor unit 9. Sound Levels Sound Pressure Levels (dB(A),H-M-L) Model External Static Pressure (Pa) ARNU76GB8A4 41-40-40 42-41-41 45-43-43 ARNU96GB8A4 43-41-41 44-42-42 47-45-45 Sound Pressure Level (120Pa) ARNU76GB8A4 ARNU96GB8A4 High High ▲ Mid ▲ Mid l Low l Low NC-65 NC-65 NC-60 NC-60 NC-55...
  • Page 164 Indoor unit 9. Sound Levels Sound Pressure Level (220Pa) ARNU76GB8A4 ARNU96GB8A4 High High ▲ Mid ▲ Mid l Low l Low NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Approximate Approximate NC-20 NC-20...

  • Page 165: Installation

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Air outlet vents Air filters Air intake vents...

  • Page 166: Ceiling Dimension And Hanging Bolt Location

    Indoor unit 10. Installation 10.2 Ceiling dimension and hanging BH/BG/BR Chassis bolt location n Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration.
  • Page 167 Indoor unit 10. Installation NOTE: • Throughly study the following installation locations: 1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the fan, the fin of the heat exchanger, resulting in heat exchange reduction, spraying, dispersing of water drops, etc. In these cases, take the following actions: •...

  • Page 168: Connecting Cables Between Indoor Unit And Outdoor Unit

    Indoor unit 10. Installation 10.3 Connecting Cables between Indoor Unit and Outdoor Unit Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively [Indoor Unit side] [Outdoor Unit side] [Type 1]...

  • Page 169: Checking The Drainage

    Indoor unit 10. Installation THERMAL INSULATION THERMAL INSULATION All thermal insulation must comply with local requirement. All thermal insulation must comply with local requirement. INDOOR UNIT INDOOR UNIT BH/BG/BR Chassis Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply)

  • Page 170: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not to pro- not allowed vide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
  • Page 171 Indoor unit 10. Installation 10.6 Ground drain piping a) It is standard work practice to make connections to the main pipe from above. The pipe down from the combination should be as large as possible. Face the vent pipe opening facing downward to keep foreign matter from penetrating the system Face piping downward...

  • Page 172: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average tempera- ture.
  • Page 173 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Name Clamp metal Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 1 EA 8 EA 4 EA 1 SET • Owner's manual • Installation manual Shape for gas pipe for liquid pipe CAUTION...
  • Page 174 Indoor unit Ceiling Concealed Duct (High Sensible) 1. List of functions 2. Specifications 3. Dimensions & Gravity point 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. External Static Pressure(E.S.P) & Air Flow 8. Electric Characteristics 9. Sound Levels 10.

  • Page 175: List Of Functions

    Indoor unit 1. List of functions ARNU07GBGA4, ARNU09GBGA4, ARNU12GBGA4, Category ARNU15GBGA4, ARNU18GBRA4, ARNU24GBRA4, Function ARNU28GBRA4, ARNU36GB8A4, ARNU42GB8A4, ARNU48GB8A4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 3 / 3 Chaos swing...

  • Page 176: Specifications

    Indoor unit 2. Specifications Type Ceiling Concealed Duct - High Sensible Model Unit ARNU07GBGA4 ARNU09GBGA4 ARNU12GBGA4 Cooling Capacity kcal/h 1,900 2,400 3,100 Btu/h 7,500 9,600 12,300 Heating Capacity kcal/h 2,200 2,800 3,400 Btu/h 8,500 10,900 13,600 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 1,182 x 298 x 450...
  • Page 177 Indoor unit 2. Specifications Type Ceiling Concealed Duct - High Sensible Model Unit ARNU15GBGA4 ARNU18GBRA4 ARNU24GBRA4 4,800 Cooling Capacity kcal/h 3,900 6,100 19,100 Btu/h 15,400 24,200 5,400 Heating Capacity kcal/h 4,300 6,900 21,500 Btu/h 17,100 27,300 Galvanized Steel Plate Casing Galvanized Steel Plate Galvanized Steel Plate 1,230 x 590 x 380...
  • Page 178 Indoor unit 2. Specifications Type Ceiling Concealed Duct - High Sensible Model Unit ARNU28GBRA4 ARNU36GB8A4 ARNU42GB8A4 10.6 12.3 Cooling Capacity kcal/h 7,100 9,100 10,600 Btu/h 28,000 36,200 42,000 11.9 13.8 Heating Capacity kcal/h 8,000 10,200 11,000 Btu/h 31,500 40,600 43,800 Casing Galvanized Steel Plate Galvanized Steel Plate...
  • Page 179 Indoor unit 2. Specifications Type Ceiling Concealed Duct - High Sensible Model Unit ARNU48GB8A4 14.1 Cooling Capacity kcal/h 12,100 Btu/h 48,100 15.9 Heating Capacity kcal/h 13,200 Btu/h 51,200 Casing Galvanized Steel Plate 1,562 x 460 x 688 Dimensions(WxHxD) Body inch 61-1/2 x 18-1/8 x 27-3/32 Rows x Columns x FPI 3 x 21 x 19...
  • Page 180 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct (High Sensible)
  • Page 181 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct (High Sensible)
  • Page 182 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct (High Sensible)

  • Page 183: Piping Diagrams

    Indoor unit 4. Piping Diagrams BG, BR Chassis :Cooling Heat Exchanger :Heating Filter Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU07GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU09GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU12GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU15GBGA4 Ø15.88(5/8) Ø9.52(3/8) ARNU18GBRA4 Ø15.88(5/8) Ø9.52(3/8) ARNU24GBRA4...
  • Page 184 Indoor unit 4. Piping Diagrams B8 Chassis :Cooling Heat Exchanger :Heating Filter Check Valve Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU36GB8A4 Ø19.05(3/4) Ø9.52(3/8) ARNU42GB8A4 Ø19.05(3/4) Ø9.52(3/8) ARNU48GB8A4 Ø19.05(3/4) Ø9.52(3/8) * A : Global line-up, C : Brazil line-up only LOC.

  • Page 185: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams BG Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump CN-COM...
  • Page 186 Indoor unit 5. Wiring Diagrams BR Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump CN-COM...
  • Page 187 Indoor unit 5. Wiring Diagrams B8 Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1, CN-MOTOR2 Fan motor output Motor output of BLDC CN-D/PUMP Drain pump output AC Output for drain pump CN-COM Communication Connection between indoor and outdoor...

  • Page 188: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 189 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 190 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 10.8 10.6 10.5 10.4 10.2 10.1 10.0 10.6 11.3 10.3 12.7 10.7 13.9 10.5 10.6 11.3 10.3 12.7 10.7 13.7 10.5 10.6 11.3 10.3...
  • Page 191 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 11.3 12.1 13.1 13.1 14.1 13.4 15.1 13.9 16.9 14.5 18.5 14.2 11.3 12.1 13.1 13.1 14.1 13.4 15.1 13.9 16.9 14.5 18.3 14.2...

  • Page 192: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 193 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 194 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 195 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -21.8 11.1 11.1 11.1 11.1 11.1 11.0 -19.8 11.7 11.7 11.6 11.6 11.6 11.6 -18.8 12.0 11.9 11.9 11.9 11.9 11.9 -16.7 12.5...
  • Page 196 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU07GBGA4, ARNU09GBGA4, ARNU12GBGA4, ARNU15GBGA4 (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 3(29) 4(39) 5(49) 6(59) 7(69) 8(78) 9(88) 10(98) 12(118) 14(137) 16(157) 18(177) 14.4 10.6 18.6 14.2 12.1 22.3 20.3 17.0 13.5 11.0 26.3...
  • Page 197 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU36GB8A4, ARNU42GB8A4, ARNU48GB8A4 (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 6(59) 9(88) 12(118) 15(147) 18(176) 20(196) 22(216) 23(226) 25(245) 40.5 52.7 39.3 63.7 47.1 71.1 56.9 44.7 76.3 69.7 55.2 83.3 78.6 67.4 55.9...
  • Page 198 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU07GBGA4, ARNU09GBGA4, ARNU12GBGA4, ARNU15GBGA4 Standard Lower Limit of External Upper Limit of External Capacity Mode Set value ESP(mmAq(Pa)) Static Pressure(mmAq(Pa)) Static Pressure(mmAq(Pa)) 12.5(441) High 6(59) 11.5(406) 6(59) 12(118) (factory set) 9.4(332) 14.6(516) Standard...
  • Page 199 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU18GBRA4, ARNU24GBRA4, ARNU28GBRA4 Standard Lower Limit of External Upper Limit of External Capacity Mode Set value ESP(mmAq(Pa)) Static Pressure(mmAq(Pa)) Static Pressure(mmAq(Pa)) 29.1(1,027) High 8(78) 24.0(847) 8(78) 18(177) (factory set) 19.2(678) 31.7(1,119) Standard 6(59)

  • Page 200: Electric Characteristics

    Indoor unit 8. Electric Characteristics Unit Power Supply Input(W) Voltage Model Type Volts cooling Heating Range ARNU07GBGA4 3.31 0.35 2.65 ARNU09GBGA4 3.31 0.35 2.65 ARNU12GBGA4 3.31 0.35 2.65 ARNU15GBGA4 3.31 0.35 2.65 ARNU18GBRA4 4.40 0.37 3.50 Max:264 220-240 Min:198 ARNU24GBRA4 4.40 0.37 3.50...

  • Page 201: Sound Pressure Level

    Indoor unit 9. Sound Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit DISCHARGE SUCTION 2. Operating condition - Power source : 220-240V 50Hz / 220V 60Hz DUCT DUCT - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), 1.5m...
  • Page 202 Indoor unit 9. Sound Levels ARNU15GBGA4 ARNU18GBRA4 ARNU24GBRA4 ▲ High ▲ High ▲ High ● Low ● Low ● Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30...

  • Page 203: Required Parts

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Air outlet vents Air filters Air intake vents...
  • Page 204 Indoor unit 10. Installation BG/BR Chassis 10.2 Ceiling dimension and hanging bolt location n Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration.

  • Page 205: Connecting Cables Between Indoor Unit And Outdoor Unit

    Indoor unit 10. Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the suspension • Drill the hole for set anchor on the face of ceiling. bolts for locking the suspension bolts on the ceiling. •...

  • Page 206: Checking The Drainage

    Indoor unit 10. Installation THERMAL INSULATION All thermal insulation must comply with local requirement. INDOOR UNIT BG/BR Chassis Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply) Hose clamp for thermal insulator (Local supply) Overlap with thermal Thermal insulator for refrigerant pipe...

  • Page 207: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not to pro- not allowed vide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
  • Page 208 Indoor unit 10. Installation 10.6 Ground drain piping a) It is standard work practice to make connections to the main pipe from above. The pipe down from the combination should be as large as possible. Face the vent pipe opening facing downward to keep foreign matter from penetrating the system Face piping downward...

  • Page 209: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average tempera- ture.
  • Page 210 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET • Owner's manual • Installation manual Shape for gas pipe for liquid pipe CAUTION...
  • Page 211 Indoor unit Ceiling Concealed Duct (Middle Static) 1. List of functions 2. Specifications 3. Dimensions & Gravity point 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. External Static Pressure(E.S.P) & Air Flow 8. Electric Characteristics 9. Sound Levels 10.

  • Page 212: List Of Functions

    Indoor unit 1. List of functions ARNU07GM1A4, ARNU09GM1A4, ARNU12GM1A4, ARNU15GM1A4, ARNU18GM1A4, ARNU24GM1A4, Category Function ARNU28GM2A4, ARNU36GM2A4, ARNU42GM2A4, ARNU48GM3A4, ARNU54GM3A4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 3 / 3...

  • Page 213: Specifications

    Indoor unit 2. Specifications Type Ceiling Concealed Duct - Middle Static Model Unit ARNU07GM1A4 ARNU09GM1A4 ARNU12GM1A4 Cooling Capacity kcal/h 1,900 2,400 3,100 Btu/h 7,500 9,600 12,300 Heating Capacity kcal/h 2,200 2,800 3,400 Btu/h 8,500 10,900 13,600 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 900 ×...
  • Page 214 Indoor unit 2. Specifications Type Ceiling Concealed Duct - Middle Static Model Unit ARNU15GM1A4 ARNU18GM1A4 ARNU24GM1A4 Cooling Capacity kcal/h 3,900 4,800 6,100 Btu/h 15,400 19,100 24,200 Heating Capacity kcal/h 4,300 5,400 6,900 Btu/h 17,100 21,500 27,300 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 900 ×...
  • Page 215 Indoor unit 2. Specifications Type Ceiling Concealed Duct - Middle Static Model Unit ARNU28GM2A4 ARNU36GM2A4 ARNU42GM2A4 10.6 12.3 Cooling Capacity kcal/h 7,100 9,100 10,600 Btu/h 28,000 36,200 42,000 11.9 13.8 Heating Capacity kcal/h 8,000 10,200 11,800 Btu/h 31,500 40,600 47,000 Casing Galvanized Steel Plate Galvanized Steel Plate...
  • Page 216 Indoor unit 2. Specifications Type Ceiling Concealed Duct - Middle Static Model Unit ARNU48GM3A4 ARNU54GM3A4 14.1 15.8 Cooling Capacity kcal/h 12,100 13,600 Btu/h 48,100 54,000 15.9 18.0 Heating Capacity kcal/h 13,600 15,500 Btu/h 54,200 61,400 Casing Galvanized Steel Plate Galvanized Steel Plate 1250 ×...
  • Page 217 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(Middle Static)
  • Page 218 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(Middle Static)
  • Page 219 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(Middle Static)

  • Page 220: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU07GM1A4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GM1A4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GM1A4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GM1A4 Ø12.7(1/2) Ø6.35(1/4) ARNU18GM1A4 Ø12.7(1/2) Ø6.35(1/4) ARNU24GM1A4 Ø15.88(5/8) Ø9.52(3/8) ARNU28GM2A4...

  • Page 221: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams M1 Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump CN-COM...
  • Page 222 Indoor unit 5. Wiring Diagrams M2 / M3 Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump...

  • Page 223: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 224 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 225 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 10.8 10.6 10.5 10.4 10.2 10.1 10.0 10.6 11.3 12.7 13.9 10.6 11.3 12.7 13.7 10.6 11.3 12.7 13.6 10.6 11.3 12.7 13.4 10.6...
  • Page 226 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 11.3 13.2 10.4 14.1 10.6 15.0 10.9 16.9 11.4 18.5 11.3 11.3 13.2 10.4 14.1 10.6 15.0 10.9 16.9 11.4 18.3 11.1 11.3 13.2...

  • Page 227: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 228 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 229 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 230 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 11.1 11.1 11.1 11.1 11.1 11.0 -19.8 -20.0 11.7 11.7 11.6 11.6 11.6 11.6 -18.8 -19.0 12.0 11.9 11.9 11.9...

  • Page 231: Fan Performance

    Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU07GM1A4, ARNU09GM1A4, ARNU12GM1A4 ARNU15GM1A4, ARNU18GM1A4 (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 2.5(25) 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 15(147) 11.3 12.8 14.4 11.4 15.9 13.2 10.2 17.5 15.0 12.0 19.0 16.7 13.7...
  • Page 232 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU24GM1A4 (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 2.5(25) 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 15(147) 16.8 14.6 18.1 15.9 19.4 17.2 15.0 20.7 18.5 16.3 13.9 22.0 19.8 17.7 15.3 13.0 23.3...
  • Page 233 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU28GM2A4, ARNU36GM2A4 (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 15(147) 24.9 27.6 22.7 30.4 25.7 20.7 33.1 28.7 24.0 35.9 31.7 27.3 20.8 38.6 34.7 30.5 24.3...
  • Page 234 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU42GM2A4 (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 5(49) 6(59) 8(78) 10(98) 12(118) 14(137) 15(147) 22.2 25.1 22.3 28.0 25.4 30.9 28.5 23.3 33.8 31.6 26.8 36.7 34.8 30.3 24.4 39.7 37.9 33.8...
  • Page 235 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU48GM3A4, ARNU54GM3A4 (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 5(49) 6(59) 8(78) 10(98) 12(118) 14(137) 15(147) 25.1 29.5 26.1 34.0 30.8 25.9 38.4 35.4 30.6 32.2 42.9 40.1 35.2 28.1 21.0 47.3 44.8...
  • Page 236 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU07GM1A4, ARNU09GM1A4, ARNU12GM1A4, ARNU15GM1A4, ARNU18GM1A4, ARNU24GM1A4, ARNU28GM2A4, ARNU36GM2A4 ARNU42GM2A4, ARNU48GM3A4, ARNU54GM3A4 Standard Lower Limit of External Static Upper Limit of External Static Capacity Mode Set Value ESP(mmAq(Pa)) Pressure(mmAq(Pa)) Pressure(mmAq(Pa)) High 6(59) 2(20) 15(147)

  • Page 237: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Model Type Volts Voltage Range Cooling Heating ARNU07GM1A4 2.00 0.136 1.60 ARNU09GM1A4 2.00 0.136 1.60 ARNU12GM1A4 2.00 0.136 1.60 ARNU15GM1A4 2.00 0.136 1.60 ARNU18GM1A4 2.00 0.136 1.60 Max:264 ARNU24GM1A4 220-240 2.00 0.136 1.60 Min:198...

  • Page 238: Sound Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit DISCHARGE SUCTION 2. Operating condition - Power source : 220-240V 50Hz / 220V 60Hz DUCT DUCT - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), 1.5m...
  • Page 239 Indoor unit 9. Sound Levels ARNU15GM1A4 ARNU18GM1A4 ARNU24GM1A4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35...
  • Page 240 Indoor unit 9. Sound Levels Sound Pressure Level (59Pa) ARNU07GM1A4 ARNU09GM1A4 ARNU12GM1A4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40...
  • Page 241 Indoor unit 9. Sound Levels ARNU15GM1A4 ARNU18GM1A4 ARNU24GM1A4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35...
  • Page 242 Indoor unit 9. Sound Levels Sound Pressure Levels (dB(A),H-M-L) Model External Static Pressure (Pa) ARNU28GM2A4 36-34-33 36-34-33 36-34-33 40-39-38 ARNU36GM2A4 36-34-33 37-36-34 37-36-34 42-40-39 ARNU42GM2A4 38-37-36 38-37-36 44-43-42 ARNU48GM3A4 39-37-35 39-37-35 40-38-36 43-42-41 ARNU54GM3A4 42-40-39 42-40-39 41-41-40 45-44-43 Sound Pressure Level (39Pa) ARNU28GM2A4 ARNU36GM2A4 ARNU48GM3A4...
  • Page 243 Indoor unit 9. Sound Levels Sound Pressure Level (49Pa) ARNU28GM2A4 ARNU36GM2A4 ARNU42GM2A4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40...
  • Page 244 Indoor unit 9. Sound Levels ARNU48GM3A4 ARNU54GM3A4 High High ▲ Mid ▲ Mid l Low l Low NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Approximate Approximate NC-20 NC-20 Hearing Hearing Threshold Threshold...

  • Page 245: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU07GM1A4 used air guide.
  • Page 246 Indoor unit 9. Sound Levels ARNU28GM2A4 ARNU36GM2A4 ARNU42GM2A4 NR-90 NR-90 NR-90 NR-85 NR-85 NR-85 NR-80 NR-80 NR-80 NR-75 NR-75 NR-75 NR-70 NR-70 NR-70 NR-65 NR-65 NR-65 NR-60 NR-60 NR-60 NR-55 NR-55 NR-55 NR-50 NR-50 NR-50 NR-45 NR-45 NR-45 NR-40 NR-40 NR-40 NR-35 NR-35...

  • Page 247: Required Parts

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Air inlet vents Air outlet vents Remote Controller...

  • Page 248: Ceiling Dimension And Hanging Bolt Location

    Indoor unit 10. Installation 10.2 Ceiling dimension and hanging bolt location n Installation of Unit Install the unit above the ceiling correctly. POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Install the unit leaning to a drainage hole side as a figure for easy water drainage.

  • Page 249: Installation

    Indoor unit 10. Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the suspension • Drill the hole for set anchor on the face of ceiling. bolts for locking the suspension bolts on the ceiling. •...

  • Page 250: Checking The Drainage

    Indoor unit 10. Installation THERMAL INSULATION All thermal insulation must comply with local requirement. INDOOR UNIT Liquid pipe Refrigerant pipe and thermal Thermal insulator for refrigerant pipe insulation(Local supply) (Local supply) Thermal insulator for piping(Local supply) Clamp for insulation (Local supply) Insulation Overlap with thermal (Local supply)

  • Page 251: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not to pro- not allowed vide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
  • Page 252 Indoor unit 10. Installation 10.6 Ground drain piping a) It is standard work practice to make connections to the main pipe from above. The pipe down from the combination should be as large as possible. Face the vent pipe opening facing downward to keep foreign matter from penetrating the system Face piping downward...

  • Page 253: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average tempera- ture.
  • Page 254 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 1 EA 8 EA 4 EA 1 SET • Owner's manual • Installation manual Shape for gas pipe for liquid pipe CAUTION...
  • Page 255 Indoor unit Ceiling Concealed Duct(Low Static) 1. List of functions 2. Specifications 3. Dimensions & Gravity point 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. External Static Pressure (E.S.P) & Air Flow 8. Electric Characteristics 9. Sound Levels 10.

  • Page 256: List Of Functions

    Indoor unit 1. List of functions ARNU05GL1G4, ARNU07GL1G4, ARNU09GL1G4, ARNU12GL2G4, Category ARNU15GL2G4, ARNU18GL2G4, ARNU21GL3G4, ARNU24GL3G4 Ceiling Concealed Duct(Low Static)

  • Page 257: Specifications

    Indoor unit 2. Specifications Ceiling Concealed Duct (Low Static) Type ARNU05GL1G4 ARNU07GL1G4 ARNU09GL1G4 Model Unit 1,500 1,900 2,400 Cooling Capacity kcal/h 5,800 7,500 9,600 Btu/h 1,600 2,200 2,800 Heating Capacity kcal/h 6,500 8,500 10,900 Btu/h Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate Casing 700 x 190 x 700...
  • Page 258 Indoor unit 2. Specifications Ceiling Concealed Duct (Low Static) Type ARNU12GL2G4 ARNU15GL2G4 ARNU18GL2G4 Model Unit 3,100 3,900 4,800 Cooling Capacity kcal/h 12,300 15,400 19,100 Btu/h 3,400 4,300 5,400 Heating Capacity kcal/h 13,600 17,100 21,500 Btu/h Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate Casing 900 x 190 x 700...
  • Page 259 Indoor unit 2. Specifications Ceiling Concealed Duct (Low Static) Type ARNU21GL3G4 ARNU24GL3G4 Model Unit 5,300 6,100 Cooling Capacity kcal/h 21,000 24,000 Btu/h 6,000 6,900 Heating Capacity kcal/h 23,900 27,300 Btu/h Galvanized Steel Plate Galvanized Steel Plate Casing 1,100 × 190 × 700 1,100 ×...
  • Page 260 Indoor unit 3. Dimensions & Gravity point Ceiling Concealed Duct(Low Static)

  • Page 261: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU05GL1G4 Ø12.7(1/2) Ø6.35(1/4) ARNU07GL1G4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GL1G4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GL2G4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GL2G4 Ø12.7(1/2) Ø6.35(1/4) ARNU18GL2G4 Ø12.7(1/2) Ø6.35(1/4) ARNU21GL3G4...

  • Page 262: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams L1 Chassis CONNECTOR NUMBER SPEC. DESCRIPTION CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-PIPE_OUT Discharge pipe sensor Pipe out thermistor CN-PIPE_IN Suction pipe sensor Pipe in thermistor CN-ROOM Room sensor Room thermistor...
  • Page 263 Indoor unit 5. Wiring Diagrams L2/L3 Chassis CONNECTOR NUMBER SPEC. DESCRIPTION CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-PIPE_OUT Discharge pipe sensor Pipe out thermistor CN-PIPE_IN Suction pipe sensor Pipe in thermistor CN-ROOM Room sensor Room thermistor...

  • Page 264: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity 6.1.1 L1/L2/L3 Chassis Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) SHC: Sensible Heat Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for 1.
  • Page 265 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) SHC: Sensible Heat Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for 1. Capacity tables show the representative value of conditions the actual performance data of each indoor unit and outdoor unit which may occur.
  • Page 266 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) SHC: Sensible Heat Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for 1. Capacity tables show the representative value of conditions the actual performance data of each indoor unit and outdoor unit which may occur.

  • Page 267: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 268 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 269 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...

  • Page 270: Fan Performance

    Indoor unit 7. External Static Pressure (E.S.P) & Air Flow (Unit : CMM) ARNU05GL1G4, ARNU07GL1G4, ARNU09GL1G4 Static Pressure(mmAq(Pa)) Setting Value 0 (0) 1 (10) 2 (20) 3 (29) 4 (39) 5 (49) 5.03 5.60 4.85 6.19 5.44 4.57 6.79 6.05 5.17 7.41 6.67...
  • Page 271 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow (Unit : CMM) ARNU12GL2G4, ARNU15GL2G4, ARNU18GL2G4 Static Pressure(mmAq(Pa)) Setting Value 0 (0) 1 (10) 2 (20) 3 (29) 4 (39) 5 (49) 6.50 7.34 6.70 8.20 7.55 6.69 9.07 8.43 7.56 6.47 9.96...
  • Page 272 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow (Unit : CMM) ARNU21GL3G4, ARNU24GL3G4 Static Pressure(mmAq(Pa)) Setting Value 0 (0) 1 (10) 2 (20) 3 (29) 4 (39) 5 (49) 10.19 12.18 10.71 11.09 13.81 12.34 12.19 15.16 13.69 13.38 10.71 16.30...
  • Page 273 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU05GL1G4, ARNU07GL1G4, ARNU09GL1G4 Lower Limit of Upper Limit of Standard Capacity Mode Set value External Static External Static ESP(mmAq(Pa)) Pressure(mmAq(Pa)) Pressure(mmAq(Pa)) High 2.54 (25) 5(49) (factory set) Standard 0 (0) 5(49) High 2.54 (25)
  • Page 274 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU21GL3G4, ARNU24GL3G4 Lower Limit of Upper Limit of Standard Capacity Mode Set value External Static External Static ESP(mmAq(Pa)) Pressure(mmAq(Pa)) Pressure(mmAq(Pa)) 17.5 High 2.54 (25) 14.0 5(49) (factory set) 12.0 17.5 Standard 0 (0) 14.0...

  • Page 275: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range ARNU05GL1G4 0.50 0.019 0.40 ARNU07GL1G4 0.50 0.019 0.40 ARNU09GL1G4 0.50 0.019 0.40 ARNU12GL2G4 1.00 0.024 0.76 Max:264 220-240 ARNU15GL2G4 1.00 0.024 0.76 Min:198 ARNU18GL2G4 1.00 0.024 0.76...

  • Page 276: Sound Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit DISCHARGE SUCTION 2. Operating condition - Power source : 220-240V 50Hz / 220V 60Hz DUCT DUCT - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), 1.5m...
  • Page 277 Indoor unit 9. Sound Levels ARNU12GL2G4 ARNU15GL2G4 ARNU18GL2G4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35...
  • Page 278 Indoor unit 9. Sound Levels ARNU12GL2G4 ARNU15GL2G4 ARNU18GL2G4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35...
  • Page 279 Indoor unit 9. Sound Levels ARNU12GL2G4 ARNU15GL2G4 ARNU18GL2G4 High High High ▲ Mid ▲ Mid ▲ Mid l Low l Low l Low NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35...

  • Page 280: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU05GL1G4 47.0 used air guide.
  • Page 281 Indoor unit 9. Sound Levels ARNU21GL3G4 ARNU24GL3G4 NR-90 NR-90 NR-85 NR-85 NR-80 NR-80 NR-75 NR-75 NR-70 NR-70 NR-65 NR-65 NR-60 NR-60 NR-55 NR-55 NR-50 NR-50 NR-45 NR-45 NR-40 NR-40 NR-35 NR-35 NR-30 NR-30 1000 2000 4000 8000 1000 2000 4000 8000 Octave Band Center Frequency (Hz) Octave Band Center Frequency (Hz)
  • Page 282 Indoor unit 10. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. L1/L2/L3 Chassis Required Parts Required Tools...

  • Page 283: Selection Of The Best Location

    Indoor unit 10. Installation 10.1 Selection of the best location Top view (Unit: mm) Install the air conditioner in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. •...

  • Page 284: Ceiling Dimension And Hanging Bolt Location

    Indoor unit 10. Installation 10.2 Ceiling dimension and hanging bolt location n Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. •...

  • Page 285: Indoor Unit Installation

    Indoor unit 10. Installation Note: • Throughly study the following installation locations: 1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the fan, the fin of the heat exchanger, resulting in heat exchange reduction, spraying, dispersing of water drops, etc. In these cases, take the following actions: •...

  • Page 286: Installation

    Indoor unit 10. Installation 10.4 Connecting Cables Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively L1/L2/L3 Chassis Indoor unit Outdoor unit...

  • Page 287: Indoor Unit Drain Piping

    Indoor unit 10. Installation 10.6 Indoor Unit Drain Piping Upward • Drain piping must have down-slope (1/50 to 1/100): be sure Pipe clamp routing not to provide up-and-down slope to prevent reversal flow. not allowed • During drain piping connection, be careful not to exert extra Indoor unit force on the drain port on the indoor unit.
  • Page 288 Indoor unit 10. Installation 10.7 Ground drain piping a) It is standard work practice to make connections to the main pipe from above. The pipe down from the combination should be as large as possible. Face the vent pipe mouth downward to keep foreign matter from penetrating the system Face piping downward...

  • Page 289: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average temperature.
  • Page 290 Indoor unit 11. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET • Owner's manual • Installation manual Shape for gas pipe for liquid pipe CAUTION...

  • Page 291: Indoor Unit

    Indoor unit Ceiling Concealed Duct_Built in (Low Static) 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. External Static Pressure (E.S.P) & Air Flow 8. Electric Characteristics 9. Sound Levels 10. Installation 11.
  • Page 292 Indoor unit 1. List of Functions ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU12GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Category Function ARNU15GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU18GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) ARNU24GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 3 / 3...

  • Page 293: Specification

    Indoor unit 2. Specification Ceiling Concealed Duct (Built-in (Low Static)) Type Accessory PBSGB30/PBSC30 PBSGB30/PBSC30 PBSGB30/PBSC30 Model Unit ARNU07GB3G4 ARNU09GB3G4 ARNU12GB3G4 Cooling Capacity kcal/h 1,900 2,400 3,100 Btu/h 7,500 9,600 12,300 Heating Capacity kcal/h 2,200 2,800 3,400 Btu/h 8,500 10,900 13,600 Casing Galvanized Steel Plate Galvanized Steel Plate...
  • Page 294 Indoor unit 2. Specification Ceiling Concealed Duct (Built-in (Low Static)) Type Accessory PBSGB30/PBSC30 PBSGB40/PBSC40 PBSGB40/PBSC40 Model Unit ARNU15GB3G4 ARNU18GB4G4 ARNU24GB4G4 Cooling Capacity kcal/h 3,900 4,800 6,100 Btu/h 15,400 19,100 24,200 Heating Capacity kcal/h 4,300 5,400 6,900 Btu/h 17,100 21,500 27,300 Casing Galvanized Steel Plate Galvanized Steel Plate...
  • Page 295 Indoor unit 3. Dimensions Ceiling Concealed Duct_Built in (Low Static)

  • Page 296: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Sirocco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4) ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4) ARNU12GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4) ARNU15GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4) ARNU18GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) Ø12.7(1/2) Ø6.35(1/4)

  • Page 297: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams B3/B4 Chassis CONNECTOR NUMBER SPEC. DESCRIPTION CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-PIPE/OUT Discharge pipe sensor Pipe out thermistor CN-PIPE/IN Suction pipe sensor Pipe in thermistor CN-ROOM Room sensor Room thermistor...

  • Page 298: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 299 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 300: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Cooling capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 301 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...

  • Page 302: Fan Performance

    Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU12GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU15GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 0(0) 1(10) 2(20) 3(29) 4(39) 6.29 3.03 0.93 6.61 4.84 1.52 7.69 5.64 2.18 0.79 8.19 6.28 2.81 0.85...
  • Page 303 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU18GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) ARNU24GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 0(0) 1(10) 2(20) 3(29) 4(39) 10.32 7.68 3.55 11.06 8.77 4.71 1.38 11.84 10.02 6.95 2.16 12.73 10.74 8.26 4.73 1.25 13.47 12.13...
  • Page 304 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU12GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU15GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Lower Limit of External Upper Limit of External Standard Capacity Mode Set value Static Pressure(mmAq(Pa)) Static Pressure(mmAq(Pa)) ESP(mmAq(Pa)) High 4(39) 2(20) (factory set) 4(39) Standard 0(0)

  • Page 305: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range 0.024 0.76 ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) 1.00 0.024 0.76 ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) 1.00 0.024 0.76 ARNU12GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Max:264 1.00 220-240 0.024 0.76 ARNU15GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Min:198 1.00 ARNU18GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) 1.20 0.038 0.97...

  • Page 306: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz Ceiling - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) 2.0m - Heating : Indoor temperature (20°C DB, 15°C WB),...
  • Page 307 Indoor unit 9. Sound Levels ARNU15GB3G4+PBSGB30 ARNU18GB4G4+PBSGB40 ARNU24GB4G4+PBSGB40 (Acc'y), PBSC30(Acc'y) (Acc'y), PBSC40(Acc'y) (Acc'y), PBSC40(Acc'y) NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25 NC-25 NC-25 Approximate Approximate...

  • Page 308: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) Model • Data is valid at diffuse field condition High Fan Speed • Data is valid at nominal operating condition ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) 53.0 • Sound level can be increased in static pressure mode or ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) 54.0 used air guide.

  • Page 309: Required Parts

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Suction Grille Wired Remote Controller Suction Grille + Suction Canvas...

  • Page 310: Selection Of The Best Location

    Indoor unit 10. Installation 10.1 Selection of the best location Top view Install the air conditioner in the location that satisfies the (unit:mm) Airflow following conditions. • The place shall easily bear a load exceeding four times Inspection hole the indoor unit’s weight. (600 x 600) •...

  • Page 311: Ceiling Dimension And Hanging Bolt Location

    Indoor unit 10. Installation 10.2 Ceiling dimension and hanging bolt location Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. •...

  • Page 312: Connecting Cables

    Indoor unit 10. Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the suspension • Drill the hole for set anchor on the face of ceiling. bolts for locking the suspension bolts on the ceiling. •...

  • Page 313: Part Name And Functions

    Indoor unit 10. Installation 10.4 Part name and functions Air outlet Air outlet Suction Grille Suction Grille Suction Canvas • Buit-in duct type with Suction Grille • Buit-in duct type with Suction Grille and Suction Canvas n B3/B4 Series : Built-in Duct type Control Box service 22 _ Ceiling Concealed Duct_Built in (Low Static)

  • Page 314: Insulation, Others

    Indoor unit 10. Installation INSULATION, OTHERS Insulate the joint and tubes completely. _ 23 Ceiling Concealed Duct_Built in (Low Static)

  • Page 315: Drain Piping

    Indoor unit 10. Installation CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air condition- 2. Minimum thickness of the insulation for the connecting pipe shall be 19mm. Front of view •...
  • Page 316 Indoor unit 10. Installation CAUTION : The supplied flexible drain Hanger hose should not be curved, neither distance Hanger Bracket Max 300mm 1~15m 1/50~1/100 slope screwed. The curved or screwed hose Metal may cause a leakage of water. clamp Flexible drain hose Insulation CAUTION: After the confirmation of the above conditions, prepare the wiring as follows:...

  • Page 317: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average tempera- ture.
  • Page 318 Indoor unit 11. Accessories Standard Accessories Clamp Washer for Insulation for (Other) Name Clamp metal Drain hose (Tie Wrap) hanging backet fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET • Owner's manual • Installation manual Shape for gas pipe for liquid pipe CAUTION...

  • Page 319: Indoor Unit

    Indoor unit Floor Standing 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...

  • Page 320: List Of Functions

    Indoor unit 1. List of functions ARNU07GCEA4, ARNU09GCEA4, ARNU12GCEA4 ARNU15GCEA4, ARNU18GCFA4, ARNU24GCFA4 Category Function ARNU07GCEU4, ARNU09GCEU4, ARNU12GCEU4 ARNU15GCEU4, ARNU18GCFU4, ARNU24GCFU4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 3 / 3...

  • Page 321: Specification

    Indoor unit 2. Specification Type Floor Standing Model Unit ARNU07GCEA4 ARNU09GCEA4 ARNU12GCEA4 Cooling Capacity kcal/h 1,900 2,400 3,100 Btu/h 7,500 9,600 12,300 Heating Capacity kcal/h 2,200 2,800 3,400 Btu/h 8,500 10,900 13,600 Casing Galvanized Galvanized Galvanized Steel Plate Steel Plate Steel Plate 1,067 x 635 x 203 1,067 x 635 x 203...
  • Page 322 Indoor unit 2. Specification Type Floor Standing Model Unit ARNU07GCEU4 ARNU09GCEU4 ARNU12GCEU4 Cooling Capacity kcal/h 1,900 2,400 3,100 Btu/h 7,500 9,600 12,300 Heating Capacity kcal/h 2,200 2,800 3,400 Btu/h 8,500 10,900 13,600 Casing Galvanized Galvanized Galvanized Steel Plate Steel Plate Steel Plate 978 x 639 x 190 978 x 639 x 190...
  • Page 323 Indoor unit 2. Specification Type Floor Standing Model Unit ARNU15GCEA4 ARNU18GCFA4 ARNU24GCFA4 Cooling Capacity kcal/h 3,900 4,800 6,100 Btu/h 15,400 19,100 24,200 Heating Capacity kcal/h 4,300 5,400 6,900 Btu/h 17,100 21,500 27,300 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 1,067 x 635 x 203 1,345 x 635 x 203 1,345 x 635 x 203...
  • Page 324 Indoor unit 2. Specification Type Floor Standing Model Unit ARNU15GCEU4 ARNU18GCFU4 ARNU24GCFU4 Cooling Capacity kcal/h 3,900 4,800 6,100 Btu/h 15,400 19,100 24,200 Heating Capacity kcal/h 4,300 5,400 6,900 Btu/h 17,100 21,500 27,300 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 978 x 639 x 190 1,256 x 639 x 190 1,256 x 639 x 190...
  • Page 325 Indoor unit 3. Dimensions Floor Standing...
  • Page 326 Indoor unit 3. Dimensions Floor Standing...

  • Page 327: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Sirroco Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU07GCEA4 Ø12.7(1/2) Ø6.35(1/4) ARNU07GCEU4 ARNU09GCEA4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GCEU4 ARNU12GCEA4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GCEU4 ARNU15GCEA4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GCEU4 ARNU18GCFA4 Ø12.7(1/2) Ø6.35(1/4)

  • Page 328: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams CE/CF Chassis CONNECTOR NUMBER SPEC. DESCRIPTION CN-POWER AC power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-MOTOR2 Fan motor output Motor output of BLDC CN-COMM Communication Communication between indoor and outdoor CN-EEV Float switch input...

  • Page 329: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 330 Indoor unit 6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 331: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 332 Indoor unit 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 333 Indoor unit 7. Air velocity and Temperature Distribution(Reference Data) ARNU07GCEA4 /ARNU07GCEU4 Cooling Heating Discharge angle:45° Discharge angle:60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m 1 1.5 ARNU09GCEA4 /ARNU09GCEU4 Cooling Heating Discharge angle:45° Discharge angle:60° Air velocity [m/s] Air velocity [m/s] 2.7m...
  • Page 334 Indoor unit 7. Air velocity and Temperature Distribution(Reference Data) ARNU12GCEA4 /ARNU12GCEU4 Cooling Heating Discharge angle:45° Discharge angle:60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU15GCEA4 /ARNU15GCEU4 Cooling Heating Discharge angle:45° Discharge angle:60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m...
  • Page 335 Indoor unit 7. Air velocity and Temperature Distribution(Reference Data) ARNU18GCFA4 /ARNU18GCFU4 Cooling Heating Discharge angle:45° Discharge angle:60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU24GCFA4/ARNU24GCFU4 Cooling Heating Discharge angle:45° Discharge angle:60° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m...

  • Page 336: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Model Type Volts Voltage Range Cooling Heating 1.00 0.024 0.76 ARNU07GCEA4 ARNU07GCEU4 1.00 0.024 0.76 ARNU09GCEA4 1.00 0.024 0.76 ARNU09GCEU4 1.00 0.024 0.76 1.00 0.024 0.76 ARNU12GCEA4 MAX.264 220-240 1.00 0.024 0.76 ARNU12GCEU4 MIN.198...

  • Page 337: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: Microphone With Case 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz 1.5m - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), Outdoor temperature (7°C DB, 6°C WB)
  • Page 338 Indoor unit 9. Sound Levels ARNU15GCEA4 ARNU18GCFA4 ARNU24GCFA4 ARNU15GCEU4 ARNU18GCFU4 ARNU24GCFU4 NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25 NC-25 NC-25 Approximate Approximate Approximate NC-20 NC-20...

  • Page 339: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model High Fan Speed • Data is valid at nominal operating condition ARNU07GCEA4 ARNU07GCEA4 54.0 • Sound level can be increased in static pressure mode or ARNU09GCEA4 ARNU09GCEA4 55.0 used air guide.
  • Page 340 Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. 10.1 Features [CEA/CFA Type] Control panel...

  • Page 341: Selection Of The Best Location

    Indoor unit 10. Installation 10.2 Selection of the best location Indoor unit Install the air conditioner in the location that satisfies the fol- lowing conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. •...
  • Page 342 Indoor unit 10. Installation Bolt pitch • Positioning of holes for fastening to the wall (Unit:mm) Type CEA, CEU CFA, CFU 1136 1. Use the Installation mount for installation. Check whether the wall is strong enough to bear the weight of the unit or not. if there is a risk, reinforce the wall before installing the unit.

  • Page 343: Drain Piping Work

    Indoor unit 10. Installation 10.3 Drain piping work • Drain piping must have downward slope(1/50 to 1/100): be sure not to provide up-and-down slope to prevent reverse flow. • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit. •...

  • Page 344: Wiring Connection

    Indoor unit 10. Installation 10.5 Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively. [Indoor Unit side] [Outdoor Unit side] [Type 1]...

  • Page 345: Wired Remote Controller Installation

    Indoor unit 10. Installations WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average tempera- ture.

  • Page 346: Standard Accessories

    Indoor unit 11. Accessories Standard Accessories Dran Level adjustment Insulation for Clamp Name [Other] hose screw fitting (Tie Wrap) Quantity 1 EA 1 each. 8 pcs. • Operation manual (1) For gas pipe • Installation manual Shape (2) For liquid pipe CAUTION •...
  • Page 347 Indoor unit Fresh Air Intake Unit 1. List of functions 2. Specifications 3. Dimensions & Gravity point 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity tables and air flow 7. External Static Pressure(E.S.P) & Air Flow 8. Electric Characteristics 9. Sound Levels 10.

  • Page 348: List Of Functions

    Indoor unit 1. List of functions ARNU48GBRZ4, ARNU76GB8Z4, Category Function ARNU96GB8Z4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 2/2/2 Chaos swing Chaos wind(auto wind) Jet cool(Power wind) Swirl wind Deodorizing filter...

  • Page 349: Specifications

    Indoor unit 2. Specifications Fresh Air Intake Unit Type Model Unit ARNU48GBRZ4 ARNU76GB8Z4 ARNU96GB8Z4 14.1 22.4 Cooling Capacity kcal/h 12,100 19,300 24,100 Btu/h 48,100 76,400 95,900 13.5 21.4 26.7 Heating Capacity kcal/h 11,620 18,410 23,000 Btu/h 46,115 73,080 91,360 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate...
  • Page 350 Indoor unit 3. Dimensions & Gravity point Fresh Air Intake Unit...
  • Page 351 Indoor unit 3. Dimensions & Gravity point Fresh Air Intake Unit...
  • Page 352 Indoor unit 4. Piping Diagrams Filter Cooling Heating Heat Exchanger Filter Distributor Filter Capillary Tube Solenoid Valve Check Valve Fresh Air Intake Unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU48GBRZ4 Ø15.88(5/8) Ø9.52(3/8) ARNU76GB8Z4 Ø19.05(6/8) Ø9.52(3/8) ARNU96GB8Z4 Ø22.2(7/8) Ø9.52(3/8) LOC.
  • Page 353 Indoor unit 5. Wiring Diagrams BR Chassis B8 Chassis Fresh Air Intake Unit...
  • Page 354 Indoor unit 6. Capacity tables and air flow 6.1 Capacity tables ARNU48GBRZ4 Cooling 59℉WB 63℉WB 69℉WB 73℉WB 79℉WB 82℉WB 86℉WB 90℉WB 95℉WB 100℉WB Outdoor air temperature 15℃WB 17℃WB 20℃WB 23℃WB 26℃WB 28℃WB 30℃WB 32℃WB 35℃WB 38℃WB ℉DB ℃DB TC 11.0 10.9 14.0 10.5...
  • Page 355 Indoor unit 6. Capacity tables and air flow ARNU76GB8Z4 Cooling 59℉WB 63℉WB 69℉WB 73℉WB 79℉WB 82℉WB 86℉WB 90℉WB 95℉WB 100℉WB Outdoor air temperature 15℃WB 17℃WB 20℃WB 23℃WB 26℃WB 28℃WB 30℃WB 32℃WB 35℃WB 38℃WB ℉DB ℃DB TC 12.6 12.4 12.0 16.0 11.8 15.7 19.6...
  • Page 356 Indoor unit 6. Capacity tables and air flow ARNU96GB8Z4 Cooling 59℉WB 63℉WB 69℉WB 73℉WB 79℉WB 82℉WB 86℉WB 90℉WB 95℉WB 100℉WB Outdoor air temperature 15℃WB 17℃WB 20℃WB 23℃WB 26℃WB 28℃WB 30℃WB 32℃WB 35℃WB 38℃WB ℉DB ℃DB TC 10.2 13.2 17.1 10.0 12.8 16.7 12.1...
  • Page 357 Indoor unit 6. Capacity tables and air flow 6.2 Air flow ARNU48GBRZ4 ESP (mmAq) Setting Value 15.8 18.7 22.2 19.9 13.6 24.2 23.4 17.8 25.2 24.1 19.6 26.8 25.5 21.9 15.9 28.1 22.8 18.2 10.6 19.8 13.8 30.3 28.5 22.5 15.8 29.8 26.5...
  • Page 358 Indoor unit 7. External Static Pressure (E.S.P) & Air Flow ARNU48GBRZ4 Capacity Lower Limit of External Upper Limit of External Standard Mode Set value Static Pressure(mmAq(Pa)) Static Pressure(mmAq(Pa)) ESP(mmAq(Pa)) (Btu/h) High 18.8 High 10(98) 20(196) (factory set) 14.7 ARNU76GB8Z4, ARNU96GB8Z4 Capacity Standard Lower Limit of External...
  • Page 359 Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Model Type volts Voltage Range Cooling Heating ARNU48GBRZ4 0.20 0.78 Max: 264 ARNU76GB8Z4 220-240 0.38 1.36 Min: 198 ARNU96GB8Z4 0.38 2.15 ARNU48GBRZ4 0.20 0.78 Max: 242 ARNU76GB8Z4 0.38 1.36 Min: 198 ARNU96GB8Z4 0.38 2.15...

  • Page 360: Sound Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit DISCHARGE SUCTION 2. Operating condition| - Cooling : Outdoor temperature (33°C DB, 28°C WB) DUCT DUCT - Heating : Outdoor temperature (0°C DB, -2.9°C WB) 3.

  • Page 361: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU48GBRZ4 used air guide.

  • Page 362: Operation Details

    Indoor unit 10. Operation Details Operation range FAU will operate in the below range. Hot outdoor temperature (over 43℃) or cold outdoor temperature (under - 5℃) will make customer feel uncomfortable because FAU outlet discharge temperature might be not enough con- trolled in that region.

  • Page 363: Installation

    Indoor unit 11. Installation Air outlet vents Air filters Air intake vents Wired Remote Controller Standard Accessories Washer for Clamp Insulation for Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Others Quantity 1 EA 2 EA 8 EA 4 EA 1 SET •...
  • Page 364 Indoor unit 11. Installation 11.1 Installation Limit Read completely, then follow step by step. 1. Fresh Air Intake Unit Combination o i t o i t o i t 1) The total capacity of Fresh Air Intake Unit should be 50~100% of outdoor unit. Only Fresh Air Intake Unit installation 2) The max quantity of Fresh Air Intake unit is 4 Units.
  • Page 365 Indoor unit 11. Installation 3. Installation of intake air duct Min. 2m Inlet Hood 1/30 Slope Intake Air Duct Outlet Air Fresh Air Intake Unit Exhaust Fan Door Exhaust air Inlet Hood Inlet Hood should be installed such that no water enter inside the unit Intake Air Duct The Intake Air Duct must have down-slope about 1/30.

  • Page 366: The Control System

    48 kBtu/h 48 kBtu/h ZONE 1 ZONE 2 ZONE 1 ZONE 2 5. Cycle check and SVC For Fresh Intake Unit cycle check and SVC, LG MV 5.8 or later version should be used. _ 19 Fresh Air Intake Unit...

  • Page 367: Selection Of The Best Location

    Indoor unit 11. Installation 11.2 Selection of the best location Install the air conditioner in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unitʼs weight. • The place shall be able to inspect the unit as the figure. •...
  • Page 368 Indoor unit 11. Installation 11.3 Ceiling dimension and hanging bolt location Installation of Unit BR Chassis (48k) Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration.

  • Page 369: Indoor Unit Installation

    Indoor unit 11. Installation NOTICE • Throughly study the following installation locations: 1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the fan, the fin of the heat exchanger, resulting in heat exchange reduction, spraying, dispersing of water drops, etc. In these cases, take the following actions: •...
  • Page 370 Indoor unit 11. Installation 11.5 Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively. BR(Chasiss)48K Central controller Terminal Block Indoor...

  • Page 371: Check The Drainage

    Indoor unit 11. Installation 11.6 Check the Drainage 1. Remove the Air Filter. 2. Check the drainage. • Spray one or two glasses of water upon the evaporator. • Ensure that water flows drain hose of indoor unit without any leakage. CAUTION 1.
  • Page 372 Indoor unit 11. Installation 11.7 Indoor Unit Drain Piping Upward Pipe clamp • Drain piping must have down-slope (1/50 to 1/100): be sure not to pro- routing not allowed vide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
  • Page 373 Indoor unit 11. Installation CAUTION: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
  • Page 374 Indoor unit 12. Accessories Standard Accessories Washer for Clamp Insulation for (Other) Name Drain hose Clamp metal hanging backet (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET • Owner's manual • Installation manual Shape for gas pipe for liquid pipe CAUTION...
  • Page 375 Indoor unit Wall Mounted Unit (Standard) 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...

  • Page 376: List Of Functions

    Indoor unit 1. List of functions ARNU05GSB*4, ARNU07GSB*4, ARNU09GSB*4 Category Function ARNU12GSB*4, ARNU15GSB*4, ARNU18GSC*4 ARNU24GSC*4, ARNU30GSVA4, ARNU36GSVA4 Air supply outlet Airflow direction control(left & right) Manual Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Auto Air flow Airflow steps(fan/cool/heat)

  • Page 377: Specifications

    Indoor unit 2. Specifications * Model Name A:Basic, L:Plasma Type Wall Mounted Model Unit ARNU05GSB*4 ARNU07GSB*4 ARNU09GSB*4 Cooling Capacity kcal/h 1,400 1,900 2,400 Btu/h 5,500 7,500 9,600 Heating Capacity kcal/h 1,500 2,200 2,800 Btu/h 6,100 8,500 10,900 895 × 289 × 215 895 ×...
  • Page 378 Indoor unit 2. Specifications * Model Name A:Basic, L:Plasma Type Wall Mounted Model Unit ARNU12GSB*4 ARNU15GSB*4 Cooling Capacity kcal/h 3,100 3,900 Btu/h 12,300 15,400 Heating Capacity kcal/h 3,400 4,300 Btu/h 13,600 17,100 895 × 289 × 215 895 × 289 × 215 Dimensions(WxHxD) Body inch 35-1/4 ×...
  • Page 379 Indoor unit 2. Specifications * Model Name A:Basic, L:Plasma Type Wall Mounted Model Unit ARNU18GSC*4 ARNU24GSC*4 Cooling Capacity kcal/h 4,800 6,100 Btu/h 19,100 24,200 Heating Capacity kcal/h 5,400 6,900 Btu/h 21,500 27,300 1,030 × 325 × 255 1,030 × 325 × 255 Dimensions(WxHxD) Body inch 40-9/16 ×...
  • Page 380 Indoor unit 2. Specifications Type Wall Mounted Model Unit ARNU30GSVA4 ARNU36GSVA4 10.4 Cooling Capacity kcal/h 7,500 9,000 Btu/h 32,000 35,500 10.8 Heating Capacity kcal/h 8,100 9,300 Btu/h 32,000 37,000 1,190 x 346 x 265 1,190 x 346 x 265 Dimensions(WxHxD) Body inch 46-27/32 ×...
  • Page 381 Indoor unit 3. Dimensions Wall Mounted Unit (Standard)
  • Page 382 Indoor unit 3. Dimensions Wall Mounted Unit (Standard)
  • Page 383 Indoor unit 3. Dimensions Wall Mounted Unit (Standard)

  • Page 384: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter C.F.F Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID Ø12.7(1/2) Ø6.35(1/4) ARNU05GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU07GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GSB*4 ARNU18GSC*4 Ø12.7(1/2) Ø6.35(1/4) ARNU24GSC*4 Ø15.88(5/8)

  • Page 385: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams SB/SC Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor CN-MOTOR Fan motor output Motor output of BLDC CN-485 Communication Connection between indoor CN-DISP1 Display Display of indoor status CN-DISP2 Display Display of indoor status...
  • Page 386 Indoor unit 5. Wiring Diagrams SV Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor CN-MOTOR Fan motor output Motor output of BLDC CN-485 Communication Connection between indoor CN-DISP1 Display Display of indoor status CN-DISP2 Display Display of indoor status...

  • Page 387: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 388 Indoor unit 6. Capacity Tables Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 389 Indoor unit 6. Capacity Tables Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) 10.5 11.5 10.5 11.4 10.5 11.3 10.5 11.2 10.5 10.9 10.5 10.8 10.5 10.8 10.5 10.5 10.4 10.4 10.2 10.3 10.0 10.2 10.0 10.4...

  • Page 390: Heating Capacity

    Indoor unit 6. Capacity Tables Heating Capacity 6.2 Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 391 Indoor unit 6. Capacity Tables Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 392 Indoor unit 6. Capacity Tables Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 393 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU05GSB*4, ARNU07GSB*4 Cooling Heating Discharge angle : 40° Discharge angle : 15° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU09GSB*4 Cooling Heating Discharge angle : 40° Discharge angle : 15°...
  • Page 394 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU12GSB*4 Cooling Heating Discharge angle : 40° Discharge angle : 15° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU15GSB*4 Cooling Heating Discharge angle : 40° DDischarge angle : 15°...
  • Page 395 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU18GSC*4 Cooling Heating Discharge angle : 30° Discharge angle : 10° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU24GSC*4 Cooling Heating Discharge angle : 30° Discharge angle : 10°...
  • Page 396 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU30GSVA4 Cooling Heating Discharge angle: 25° Discharge angle: 35° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU36GSVA4 Cooling Heating Discharge angle: 25° Discharge angle: 35° Air velocity [m/s] Air velocity [m/s] 2.7m...

  • Page 397: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power supply Input Model Type Volts Voltage range Cooling Heating ARNU05GSB*4 0.20 0.02 0.16 21.0 21.0 ARNU07GSB*4 0.20 0.02 0.16 21.0 21.0 ARNU09GSB*4 0.20 0.02 0.16 21.0 21.0 ARNU12GSB*4 0.20 0.02 0.16 21.0 21.0 Max: 264 ARNU15GSB*4 220-240...

  • Page 398: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), Outdoor temperature (7°C DB, 6°C WB)
  • Page 399 Indoor unit 9. Sound Levels ARNU12GSB*4 ARNU15GSB*4 ARNU18GSC*4 NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25 NC-25 NC-25 Approximate Approximate Approximate NC-20 NC-20 NC-20 Hearing Hearing...

  • Page 400: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU05GSB*4 54.0 used air guide.
  • Page 401 Indoor unit 9. Sound Levels ARNU24GSC*4 ARNU30GSVA4 ARNU36GSVA4 NR-90 NR-90 NR-90 NR-85 NR-85 NR-85 NR-80 NR-80 NR-80 NR-75 NR-75 NR-75 NR-70 NR-70 NR-70 NR-65 NR-65 NR-65 NR-60 NR-60 NR-60 NR-55 NR-55 NR-55 NR-50 NR-50 NR-50 NR-45 NR-45 NR-45 NR-40 NR-40 NR-40 NR-35 NR-35...

  • Page 402: Installation Parts Provided

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Installation Parts Provided 1.

  • Page 403: Selection Of The Best Location

    Indoor unit 10. Installation 10.1 Selection of the best location • There should not be any heat or steam near the unit. • Select a place where there are no obstacles around of More than the unit. More than 200 •...

  • Page 404: Preparing Work For Installation

    Indoor unit 10. Installation The lower left and the right side of 10.2 Connection of pipes and cables Installation Plate 10.2.1 Preparing work for installation SB chassis n SB/SC chassis Place a level on raised tab Unit Outline 1. Pull the screw cap at the bottom of the indoor unit 2.
  • Page 405 Indoor unit 10. Installation Good case n SV chassis 1. Press on the tubing cover and unfold the tub- 1. Open the panel of the indoor unit. ing to downward slowly. And then bend to 2. Remove the chassis cover from the unit by loosing 5 the left side slowly.

  • Page 406: Installation Of Indoor Unit

    Indoor unit 10. Installation 10.2.2 Installation of Indoor Unit Connecting the installation pipe 1. Hook the indoor unit onto the upper portion of and drain hose to the indoor unit. the installation plate.( engage the three hooks at the top of the indoor unit with the upper edge of 1.

  • Page 407: Connecting The Cables

    Indoor unit 10. Installation 2. Set the tubing cutting line upward. Connecting the cables Wrap the area which accommodates the rear piping housing section with vinyl tape. 1. Insert the connecting cable through the bottom side of indoor unit and connect the cable (You can see detail contents in 'Connecting the Cutting Line cables' section)
  • Page 408 Indoor unit 10. Installation 10.2.3 Finishing the indoor unit instal- Drain piping lation 1. The drain hose should point downward for easy 1. Mount the tubing holder in the original positon. drain flow. 2. Ensure that the hooks are properly seated on the installation plate by moving it left and right.
  • Page 409 Indoor unit 10. Installation 10.3 Wiring the cable to the indoor units SB/SC Terminal block of outdoor unit Outdoor unit Indoor unit Central controller Terminal block of indoor unit SODU SODU IDU IDU INTERNET DRY1 DRY2 GND 1(L) 2(N) 3(A) 4(B) Indoor power input Terminal block of outdoor unit...

  • Page 410: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average temperature.

  • Page 411: Standard Accessories

    Indoor unit 11. Accessories Standard Accessories Type "A" screws and Type “C” screws Name Installation panel (Other) plastic anchors Quantity 1 set 5 set 2 set • Owner's manual • Installation manual Shape 36 _ Wall Mounted Unit (Standard)

  • Page 412: Artcool (Mirror)

    Indoor unit ARTCOOL (Mirror) 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...

  • Page 413: List Of Functions

    Indoor unit 1. List of functions ARNU05GSB*4, ARNU07GSB*4, ARNU09GSB*4, Category Function ARNU12GSB*4, ARNU15GSB*4, ARNU18GSC*4, ARNU24GSC*4 Air supply outlet Airflow direction control(left & right) Manual Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Auto Air flow Airflow steps(fan/cool/heat) 3/4/3 Chaos swing...

  • Page 414: Specifications

    Indoor unit 2. Specifications * Model Name R:Mirror, W:White, V:Silver Type ARTCOOL Model Unit ARNU05GSB*4 ARNU07GSB*4 ARNU09GSB*4 Cooling Capacity kcal/h 1,400 1,900 2,400 Btu/h 5,500 7,500 9,600 Heating Capacity kcal/h 1,500 2,200 2,800 Btu/h 6,100 8,500 10,900 895 x 285 x 205 895 x 285 x 205 895 x 285 x 205 Dimensions(WxHxD) Body...
  • Page 415 Indoor unit 2. Specifications * Model Name R:Mirror, W:White, V:Silver Type ARTCOOL Model Unit ARNU12GSB*4 ARNU15GSB*4 Cooling Capacity kcal/h 3,100 3,900 Btu/h 12,300 15,400 Heating Capacity kcal/h 3,400 4,300 Btu/h 13,600 17,100 895 x 285 x 205 895 x 285 x 205 Dimensions(WxHxD) Body inch 36-1/4 x 11-7/32 x 8-1/16...
  • Page 416 Indoor unit 2. Specifications * Model Name R:Mirror, W:White, V:Silver Type ARTCOOL Model Unit ARNU18GSC*4 ARNU24GSC*4 Cooling Capacity kcal/h 4,800 6,100 Btu/h 19,100 24,200 Heating Capacity kcal/h 5,400 6,900 Btu/h 21,500 27,300 1,030 × 325 × 245 1,030 × 325 × 245 Dimensions(WxHxD) Body inch 40-9/16 ×...
  • Page 417 Indoor unit 3. Dimensions ARTCOOL (Mirror)
  • Page 418 Indoor unit 3. Dimensions ARTCOOL (Mirror)

  • Page 419: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter C.F.F Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID Ø12.7(1/2) Ø6.35(1/4) ARNU05GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU07GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GSB*4 ARNU15GSB*4 Ø12.7(1/2) Ø6.35(1/4) ARNU18GSC*4 Ø12.7(1/2) Ø6.35(1/4) ARNU24GSC*4 Ø15.88(5/8)

  • Page 420: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams SB/SC Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor CN-MOTOR Fan motor output Motor output of BLDC CN-485 Communication Connection between indoor CN-DISP1 Display Display of indoor status CN-DISP2 Display Display of indoor status...

  • Page 421: Cooling Capacity

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 422 Indoor unit 6. Capacity Tables Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.
  • Page 423 Indoor unit 6. Capacity Tables Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 424: Heating Capacity

    Indoor unit 6. Capacity Tables Heating Capacity 6.2 Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0...
  • Page 425 Indoor unit 6. Capacity Tables Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 426 Indoor unit 6. Capacity Tables Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6...
  • Page 427 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU05GSB*4, ARNU07GSB*4 Cooling Heating Discharge angle : 40° Discharge angle : 15° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU09GSB*4 Cooling Heating Discharge angle : 40° Discharge angle : 15°...
  • Page 428 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU12GSB*4 Cooling Heating Discharge angle : 40° Discharge angle : 15° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU15GSB*4 Cooling Heating Discharge angle : 40° DDischarge angle : 15°...
  • Page 429 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU18GSC*4 Cooling Heating Discharge angle : 30° Discharge angle : 10° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU24GSC*4 Cooling Heating Discharge angle : 30° Discharge angle : 10°...

  • Page 430: Electric Characteristics

    Indoor unit 8. Electric Characteristics Units Power supply Input Model Type Volts Voltage range Cooling Heating ARNU05GSB*4 0.20 0.02 0.16 21.0 21.0 ARNU07GSB*4 0.20 0.02 0.16 21.0 21.0 ARNU09GSB*4 0.20 0.02 0.16 21.0 21.0 Max: 264 ARNU12GSB*4 220-240 0.20 0.02 0.16 21.0 21.0...

  • Page 431: Sound Pressure Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), Outdoor temperature (7°C DB, 6°C WB)
  • Page 432 Indoor unit 9. Sound Levels ARNU12GSB*4 ARNU15GSB*4 ARNU18GSC*4 NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25 NC-25 NC-25 Approximate Approximate Approximate NC-20 NC-20 NC-20 Hearing Hearing...

  • Page 433: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU05GSB*4 54.0 used air guide.
  • Page 434 Indoor unit 9. Sound Levels ARNU24GSC*4 NR-90 NR-85 NR-80 NR-75 NR-70 NR-65 NR-60 NR-55 NR-50 NR-45 NR-40 NR-35 NR-30 1000 2000 4000 8000 Octave Band Center Frequency (Hz) 22 _ ARTCOOL (Mirror)

  • Page 435: Required Parts

    Indoor unit 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Installation Parts Provided 1.

  • Page 436: Selection Of The Best Location

    Indoor unit 10. Installation 10.1 Selection of the best location • There should not be any heat or steam near the unit. • More than Select a place where there are no obstacles around of the unit. More than 200 •...
  • Page 437 Indoor unit 10. Installation 10.2 Connection of pipes and cables 10.2.1 Preparing work for installation n Pull the screw cap at the bottom of the indoor unit n Remove the chassis cover from the unit by loosing 2 screws Chassis cover Bad case n Pull back the tubing holder.

  • Page 438: Connecting The Installation Pipe And Drain Hose To The Indoor Unit

    Indoor unit 10. Installation 10.2.2 Installation of Indoor Unit Connecting the installation pipe and drain hose to the indoor unit. 1. Hook the indoor unit onto the upper portion of the installation plate.( engage the three hooks at the top of the indoor unit with the upper edge of 1.

  • Page 439: Wrap The Insulation Material Around The Connecting Portion

    Indoor unit 10. Installation Wrap the insulation material Wrap with vinyl tape around the connecting portion. Pipe 1. Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there Vinyl tape(wide) may be no gap.
  • Page 440 Indoor unit 10. Installation 10.2.3 Finishing the indoor unit instal- Drain piping lation 1. The drain hose should point downward for easy 1. Mount the tubing holder in the original positon. drain flow. 2. Ensure that the hooks are properly seated on the installation plate by moving it left and right.
  • Page 441 Indoor unit 10. Installation 10.3 Wiring the cable to the indoor units [Indoor Unit side] [Outdoor Unit side] [Type 1] Terminal Block Indoor IDU B IDU A INT B INT A SODU B SODU A 1(L) 2(N) INDOOR POWER INPUT [Type 2] Terminal Block Indoor SODU...

  • Page 442: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average temperature.

  • Page 443: Standard Accessories

    Indoor unit 11. Accessories Standard Accessories Type "A" screws and Type “C” screws (Other) Name Installation panel plastic anchors Quantity 1 set 5 set 2 set SB/SC • Owner's manual • Installation manual Shape _ 31 ARTCOOL (Mirror)

  • Page 444: Indoor Unit

    Indoor unit ARTCOOL (Gallery) 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...

  • Page 445: List Of Functions

    Indoor unit 1. List of functions ARNU07GSF14, ARNU09GSF14, ARNU12GSF14 Category Function Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 4 / 3 Chaos swing Chaos wind(auto wind) Jet cool(Power wind)

  • Page 446: Specifications

    Indoor unit 2. Specifications ARTCOOL Gallery Type ARNU07GSF14 ARNU09GSF14 ARNU12GSF14 Model Unit 1,900 2,400 3,100 Cooling Capacity kcal/h 7,500 9,600 12,300 Btu/h 2,200 2,800 3,400 Heating Capacity kcal/h 8,500 10,900 13,600 Btu/h 600 x 600 x 146 600 x 600 x 146 600 x 600 x 146 Dimensions(WxHxD) Body 23-5/8 x 23-5/8 x 5-25/32...
  • Page 447 Indoor unit 3. Dimensions ARTCOOL (Gallery)

  • Page 448: Piping Diagrams

    Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Turbo Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU07GSF14 Ø12.7(1/2) Ø6.35(1/4) ARNU09GSF14 Ø12.7(1/2) Ø6.35(1/4) ARNU12GSF14 Ø12.7(1/2) Ø6.35(1/4) *Panel color :E(Red), V(Silver), G(Gold), 1(Kiss (Photo changeable)) LOC.

  • Page 449: Wiring Diagrams

    Indoor unit 5. Wiring Diagrams SF Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor CN-MOTOR1 Fan motor output Motor output of BLDC CN-485 Communication Connection between indoor CN-EEV EEV output EEV control output CN-UD Step motor Step motor output...

  • Page 450: Capacity Tables

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 451: Heating Capacity

    Indoor unit 6. Capacity Tables Heating Capacity 6.2 Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6 -3.0...

  • Page 452: Air Velocity And Temperature Distribution

    Indoor unit 7. Air Velocity and Temperature Distribution ARNU07GSF14, ARNU09GSF14 Cooling Heating Discharge angle:40° Discharge angle:50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m ARNU12GSF14 Cooling Heating Discharge angle:40° Discharge angle:50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m...
  • Page 453 Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range ARNU07GSF14 0.23 0.024 0.18 Max:264 ARNU09GSF14 220 - 240 0.23 0.024 0.18 Min:198 ARNU12GSF14 0.23 0.024 0.18 ARNU07GSF14 0.23 0.024 0.18 Max:242 ARNU09GSF14 0.23 0.024 0.18 Min:198...
  • Page 454 Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at 1m away from the front and 0.8m away from the bottom of the unit 2. Operating condition - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB),...

  • Page 455: Sound Power Levels

    Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU07GSF14 48.0 used air guide.

  • Page 456: Installation

    Indoor unit 10. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Installation Parts Provided 1.

  • Page 457: Preparing Work For Installation

    Indoor unit 10. Installation 10.2 Preparing Work for Installation Open panel front 1. Pull the upper part of the front panel. 2. Lift up the panel. 3. To detach the front panel, remove the two screws at the lower part. 4.

  • Page 458: Fixing Indoor Unit

    Indoor unit 10. Installation 10.3 Fixing Indoor Unit 1. Attach an Installation guide map on the 2. Look at suited horizon by horizontal desired surface. meter on the horizontal setting line, and fix lightly the map by adhesive tape. INSTALLATION GUIDE MAP Horizontality T I O 3.

  • Page 459: Connecting The Piping

    Indoor unit 10. Installation 10.4 Connecting the Piping Preparing the indoor unit's piping and drain hose for 3. Connecting the pipings to the in door unit and drain hose to drain pipe installation through the wall. o Align the center of the pipings and sufficiently 1.

  • Page 460: Drain Piping

    Indoor unit 10. Installation CAUTION: Installation Information For right piping. Follow the instruction below. Good case • Press on the upper side of clamp and unfold the tubing to downward slowly. Bad case • Following bending type from left to right may cause damage to the turbing. 10.5 Drain Piping 1) To check the drainage.

  • Page 461: Panel Front Assembly

    Indoor unit 10. Installation 10.6 Panel Front Assembly 1. First, Check the side cover assembly exactly, and fix the power cord in the bottom groove of cover side left. 2. Assemble connecting lead wire with controller, fix the upper part of panel front, and match the lower part of panel Panel Front front.

  • Page 462: Connect The Cable To The Indoor Unit

    Indoor unit 10. Installation 10.7 Connect the cable to the Indoor unit. • Connect the cable to the indoor unit by connecting the wires to the terminals on the control board in- dividually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No.

  • Page 463: Wired Remote Controller Installation

    Indoor unit 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average tempera- ture.

  • Page 464: Standard Accessories

    Indoor unit 11. Accessories Standard Accessories Type "A" screws and Installation guide map Name (Other) plastic anchors Quantity 1 EA 4 SET • Owner's manual • Installation manual Shape CAUTION • Use only those accessories (Standard or optional) which have designated specifications. 20 _ ARTCOOL (Gallery)

  • Page 465: Indoor Unit

    Indoor unit Console 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10. Installation 11. Accessories...
  • Page 466 1. List of functions ARNU07GQAA4, ARNU09GQAA4, ARNU12GQAA4 Category Function ARNU15GQAA4 Air supply outlet Airflow direction control(left & right) Manual Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 4/5/4 Chaos swing Chaos wind(auto wind) Jet cool(Power wind) Swirl wind...

  • Page 467: Specification

    2. Specification Type Console Model Unit ARNU07GQAA4 ARNU09GQAA4 Cooling Capacity kcal/h 1,900 2,400 Btu/h 7,500 9,600 Heating Capacity kcal/h 2,200 2,800 Btu/h 8,500 10,900 Casing Galvanized Steel Plate Galvanized Steel Plate Dimensions Body 700 x 600 x 210 700 x 600 x 210 (W x H x D) inch 27-9/16 x 23-5/8 x 8-1/4...
  • Page 468 2. Specification Type Console Model Unit ARNU12GQAA4 ARNU15GQAA4 Cooling Capacity kcal/h 3,100 3,900 Btu/h 12,300 15,400 Heating Capacity kcal/h 3,400 4,300 Btu/h 13,600 17,100 Casing Galvanized Steel Plate Galvanized Steel Plate Dimensions Body 700 x 600 x 210 700 x 600 x 210 (W x H x D) inch 27-9/16 x 23-5/8 x 8-1/4...
  • Page 469 3. Dimensions Console...

  • Page 470: Piping Diagrams

    4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter Turbo Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU07GQAA4 Ø12.7(1/2) Ø6.35(1/4) ARNU09GQAA4 Ø12.7(1/2) Ø6.35(1/4) ARNU12GQAA4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GQAA4 Ø12.7(1/2) Ø6.35(1/4) LOC. Description Room thermistor Pipe in thermistor Pipe out thermistor Console...

  • Page 471: Wiring Diagrams

    5. Wiring Diagrams QA Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-485 Communication Connection between indoor and outdoor CN-DISP Display Display of indoor status CN-EEV EEV Output EEV Control output...
  • Page 472 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 473: Capacity Tables

    6. Capacity Tables Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 474: Heating Capacity

    6. Capacity Tables Heating capacity 6.2 Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0...
  • Page 475 6. Capacity Tables Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -25.0 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6 -5.0 -5.6 -3.0 -3.7...
  • Page 476 7. Air Velocity and Temperature Distribution(Reference Data) ARNU07GQAA4 Cooling Heating Discharge angle:40° Discharge angle:50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m 0.2 1.0 Temperature [°C] Temperature [°C] 2.7m 2.7m 36.7 36.6 36.7 39.0 ARNU09GQAA4 Cooling Heating Discharge angle:40° Discharge angle:50° Air velocity [m/s] Air velocity [m/s] 2.7m...
  • Page 477 7. Air Velocity and Temperature Distribution(Reference Data) ARNU12GQAA4 Cooling Heating Discharge angle:40° Discharge angle:50° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m 13.6 43.3 13.6 43.3 11.5 46.3 11.5 11.5 46.3 42.5 42.5 43.3 13.5 ARNU15GQAA4 Cooling...
  • Page 478 8. Electric Characteristicss Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range ARNU07GQAA4 0.34 0.048 0.27 ARNU09GQAA4 0.34 0.048 0.27 Min.:198, 220-240 ARNU12GQAA4 Max.:264 0.36 0.048 0.29 ARNU15GQAA4 0.36 0.048 0.29 ARNU07GQAA4 0.34 0.048 0.27 ARNU09GQAA4 0.34 0.048 0.27 Min.:198, Max.:242...

  • Page 479: Sound Levels

    9. Sound Levels 9.1 Sound Pressure Levels Overall Notes: 1. Sound measured at each 1m away from the front and bottom of the unit 2. Operating condition - Power source : 220-240V 50Hz / 220V 60Hz Microphone - Cooling : Indoor temperature (27°C DB, 19°C WB), Outdoor temperature (35°C DB, 24°C WB) - Heating : Indoor temperature (20°C DB, 15°C WB), Outdoor temperature (7°C DB, 6°C WB)

  • Page 480: Sound Power Levels

    9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model • Data is valid at nominal operating condition High Fan Speed • Sound level can be increased in static pressure mode or ARNU073QAA4 53.0 used air guide.
  • Page 481 10. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. 10.1 Selection of the Best Location •...
  • Page 482 10. Installation 10.2 Indoor unit installation 1. Preparation / Removing front panel 1. Open the front grille by pulling forward 2. Then pull out the link of grille from groove in front panel. 3. Then pull out 2 hinges of grille from grooves in front panel. 4.

  • Page 483: Refrigerant Piping

    10. Installation 3. Refrigerant Piping 1. The location of hole is different depending on which side of the pipe is taken out. 2. Drill a hole(Ø70mm) in the point indicated by symbol in the illustration as below Wall Left bottom piping Right bottom piping Left back piping Right back piping...
  • Page 484 10. Installation 4-2 Installation on the Wall 1. Fix up the installation plate using 5 screws and the indoor unit using 4 screws. 2. The installation plate should be fixed on a wall which can support the weight of the indoor unit. Installation Plate Molding 4-3 Half concealed installation.
  • Page 485 10. Installation 2. Installation of supplemental plate for attaching main unit • The rear of the unit can be fixed with screws at the points shown in the Fig-2.Be sure to install the supplemental plate in accordance with the depth of the inner wall. (Unit : mm) <Fig - 2>...
  • Page 486 10. Installation NOTICE - Check the horizon of Indoor unit with the wall. Please use the Leveler on the drain pan guide. Leveler Drain pan Less than 5mm Less than 5mm Less than 5mm _ 21 Console...
  • Page 487 10. Installation 10.3 Connecting the Piping When you connect the refrigerant pipe, it is easier that you connect the gas pipe first. 1. Hold up the Sensor Link. 2. Separate the Pipe Bracket (2 screws) 3. Connect the refrigerant pipe. (Refer to next page) 4.
  • Page 488 10. Installation If the drain hose is routed inside the room insu- late the hose with an insulation material* so that dripping from sweating (condensation) will not damage furniture or floors. Tape * Foamed polyethylene or equivalent is recom- Connecting mended.
  • Page 489 10. Installation 10.4 Wiring Connection • Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively. [Type 1] Terminal block of indoor unit IDU B...
  • Page 490 10. Installation WIRED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5ft(1.5m) above the floor in an area with good air circulation at an average temperature.
  • Page 491 11. Accessories Standard Accessories Clamp Install Plate Name Drain Hose Other (Tie wrap) Quantity 1 EA 1 EA 4 EA - Allergy Filter - Fixing screw for installation Plate 4*25 mm-5EA - Wood screw for indoor fixation -6EA Shape - Owner's Manual - Installation Manual 26 _ Console...

  • Page 492: Indoor Unit

    Indoor unit n Compact Model 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels...
  • Page 493 Indoor unit 1. List of functions Category ARNU09GTR*4, ARNU15GTR*4 Function Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 4 / 5 / 4 Chaos swing Chaos wind(auto wind) Jet cool(Power wind)

  • Page 494: Specifications

    Indoor unit 2. Specifications * Model Name E:Basic, F:Plasma Type 4 Way Ceiling Cassette Model Unit ARNU09GTR*4 Cooling Capacity kcal/h 2,400 Btu/h 9,600 Heating Capacity kcal/h 2,800 Btu/h 10,900 Casing Galvanized Steel Plate 570 x 214 x 570 Body inch 22-7/16 x 8-7/16 x 22-7/16 Dimensions(WxHxD) 700 x 22 x 700...
  • Page 495 Indoor unit 2. Specifications * Model Name A:Basic, C:Plasma Type 4 Way Ceiling Cassette Model Unit ARNU15GTR*4 Cooling Capacity kcal/h 3,900 Btu/h 15,400 Heating Capacity kcal/h 4,300 Btu/h 17,100 Casing Galvanized Steel Plate 570 x 214 x 570 Body inch 22-7/16 x 8-7/16 x 22-7/16 Dimensions(WxHxD) 700 x 22 x 700...
  • Page 496 Indoor unit 3. Dimensions Compact Model...
  • Page 497 Indoor unit 4. Piping Diagrams TR Chassis :Cooling Heat Exchanger :Heating Filter Turbo Fan Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] Model Liquid ARNU09GTR*4 Ø12.7(1/2) Ø6.35(1/4) ARNU15GTR*4 Ø12.7(1/2) Ø6.35(1/4) LOC. Description Room thermistor Pipe in thermistor Pipe out thermistor Compact Model...
  • Page 498 Indoor unit 5. Wiring Diagrams TR Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-MOTOR1 Fan motor output Motor output of BLDC CN_DPUMP Drain pump output AC output for drain pump CN-GRILL Elevation grill Elevation grill line CN-PTC Aux heater Aux heater line CN-LEAK Refrigerant leak detector Refrigerant leak detector line...

  • Page 499: Capacity Tables

    Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) 2. Refer to Capacity Correction Factor in the outdoor unit PDB for SHC: Sensible Heat Capacity(kW) the actual performance data of each indoor unit and outdoor unit 1.

  • Page 500: Heating Capacity

    Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -24.8 -21.8 -22.0 -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6...
  • Page 501 Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU09GTR*4 Cooling Heating Discharge angle: 50° Discharge angle: 40° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m 2.5m 1.5m 1.5m 2.5m 2.5m 1.5m 1.5m 2.5m Temperature [°C] Temperature [°C] 2.7m 2.7m 2.5m 1.5m 1.5m...
  • Page 502 Indoor unit 8. Electric Characteristicss Units Power Supply Input(W) Model Type Volts Voltage Range Cooling Heating ARNU09GTR*4 0.25 0.043 Max:264 220-240 Min:198 ARNU15GTR*4 0.25 0.043 ARNU09GTR*4 0.25 0.043 Max:242 Min:198 ARNU15GTR*4 0.25 0.043 Symbols: Note : MCA : Min, Circuit Amps(A) 1.

  • Page 503: Sound Levels

    Indoor unit 9. Sound Levels 9.1 Sound Pressure Levels n Ceiling Cassette 4-way Overall Notes: 1. Sound measured at 1.5m away from the center of the unit 2. Operating condition| - Power source : 220-240V 50Hz / 220V 60Hz - Cooling : Indoor temperature (27°C DB, 19°C WB), Ceiling Outdoor temperature (35°C DB, 24°C WB) 1.5m...
  • Page 504 Indoor unit 9. Sound Levels 9.2 Sound Power Levels Notes: Sound Power Levels dB(A) • Data is valid at diffuse field condition Model High Fan Speed • Data is valid at nominal operating condition ARNU09GTR*4 51.0 • Sound level can be increased in static pressure mode or ARNU15GTR*4 55.0 used air guide.
  • Page 505 Indoor unit Dip Switch & Group Control Setting 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit 1.1 Dip Switch Setting 1.2 Group Control Setting 1.3 2 Remote Control 1.4 Accessories for group control setting 2.

  • Page 506: Dip Switch Setting Of Indoor Unit Pcb

    Indoor unit 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit 1.1 Dip Switch Setting Dip Switch Setting of Indoor unit PCB Function Description Setting Off Setting On Default Communication N/A (Default) Cycle N/A (Default) Selection of Master or Group Control Master...

  • Page 507: Group Control

    Indoor unit 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit 1.2 Group Control 1 (1) Group Control 1 n Wired remote controller 1 + Standard Indoor Units LGAP Network System Slave Signal Master Slave Slave 12 V...
  • Page 508 Indoor unit 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit 5. In case that the indoor unit has an abnormal problem an error code will be displayed on the wired remote controller. With the exception of the indoor unit with the error, you can control each indoor unit individually. 6.
  • Page 509 Indoor unit 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit (3) Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Slave Signal Master Master Slave 12 V Display Error Message Display Error Message...

  • Page 510: Remote Control

    Indoor unit 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit 1.3 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Slave Slave Signal Master 12 V Display Error Message Master Slave...
  • Page 511 Indoor unit 1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit 1.4 Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA + Wired remote controller 1 EA Indoor unit 1 EA + Wired remote controller 2EA h PZCWRCG3 cable used for connection h PZCWRC2 cable used for connection...

  • Page 512: Master/Slave Setting

    Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror 2.1 Master/Slave Setting CAUTION Installer setting mode is to set the detail function of the remote controller. If the installer setting mode is not set correctly, it can cause problems to the product, user injury or property damage. This must be set by an certificated installer, and any installation or change that is carried out by a non-certificated per- son should be responsible for the results.

  • Page 513: Installer Setting Code Table

    Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror Installer Setting Code Table Function Function Code Setting Value Remote Controller LCD 0 : Set to Master Mode Override 1 : Set to Slave 1 : Standard 2 : Low Ceiling Height Selection 3 : High...
  • Page 514 Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror Group Control Setting - This function is only for group control. - Please don’t set this function in case of non-group control. - This function is the Master or Slave setting function of indoor unit - Set only one indoor unit to Master, set the others to slave.
  • Page 515 Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror 4. It is possible to connect with Dry Contact and Central controller at the same time. - The Master indoor unit is possible to recognize Dry Contact and Central Controller only. - In case of Central controller and Group controller at the same time, it is possible to connect standard 2series indoor units or later since Feb.
  • Page 516 Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror (2) Group Control 2 n Wired remote controllers + Standard Indoor Units LGAP Network System Slave Slave Slave Master Signal 12 V Donʼt connect serial 12V line Display Error Message Master Slave h It is possible to control N indoor units by wired remote controller M units.
  • Page 517 Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror (3) Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Slave Signal Master Master Slave 12 V Display Error Message Display Error Message Master Master h In the case that you connect standard indoor units and Fresh Air Intake Units together, control them separately from...
  • Page 518 Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror 2.3 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Slave Slave Signal Master 12 V Display Error Message Master Slave 1. It is possible to connect two wired remote controllers with one indoor unit. 2.
  • Page 519 Indoor unit 2. Wall Mounted, ART COOL Gallery, ART COOL Mirror 2.4 Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA +Wired remote controller 1 EA Indoor unit 1 EA +Wired remote controller 2EA h PZCWRCG3 cable used for connection h PZCWRC2 cable used for connection S lave...
  • Page 520 Yeouido P.O.Box 335 Seoul, 150-721, Korea. http://www.lgeaircon.com All rights reserved The air conditioners manufactured by LG have received ISO9001 certificate for Printed in Korea January / 2016 quality assurance and ISO14001 certificate for environmental management system. The specifications, designs, and information in this brochure are subject to change without notice.

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