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Also energy efficiency, low noise and low maintenance are the features which are essential for these systems. As a part of vertical integration LG makes all the key components in house, which gives us an edge to LG to make better and latest technology products with best quality in optimized time.
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Compact Indoor unit Compact Indoor unit General information 1. Model line up 2. External Appearance 3. Nomenclature...
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Compact Indoor unit 3. Nomenclature 3.1 Global Name Series A : Basic C : Compact Chassis name Electrical rating G: 1Ø, 220-240V, 50Hz Nominal Capacity → Ex) 18,000 Btu/h Class '18' → 30,000 Btu/h Class '30' Model type W : DC Inverter Heat pump A*N : Indoor units using R410A * Indicates Product type B : Ceiling Concealed Duct...
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Compact Indoor unit Ceiling concealed duct - Middle static pressure 1. List of functions 2. Specifications 3. Dimensions 4. Piping diagrams 5. Wiring Diagrams 6. External pressure setting for 7. Sound levels 8. Controller 9. Installation...
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Compact Indoor unit 1. List of functions ABNW18GBHC0 [UB18C NH0] Category Functions ABNW24GBHC0 [UB24C NH0] Air supply outlet Airflow direction control (left & right) Airflow direction control (up & down) Auto swing (left & right) Air flow Auto swing (up & down)
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Compact Indoor unit 2. Specifications ABNW18GBHC0 ABNW24GBHC0 Model Name [UB18C NH0] [UB24C NH0] 220-240, 1, 50 220-240, 1, 50 Power Supply V, Ø, Hz W x H x D 882 × 260 × 450 882 × 260 × 450 Dimensions...
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Compact Indoor unit 4. Piping diagrams Models : ABNW18GBHC0 [UB18C NH0] / ABNW24GBHC0 [UB24C NH0] Gas pipe connection port Heat exchanger (flare connection) Heating Thermistor for Cooling Sirocco Fan evaporator outlet Thermistor for temperature suction air temperature Thermistor for evaporator inlet...
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Compact Indoor unit 6. External pressure setting for (E.S.P. Control) provide required constant air volume irrespective of E.S.P. charge. (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. n Without zone system 1.
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Compact Indoor unit 6. External pressure setting for How to Set E.S.P. on the remote controller? This is the function that decides the strength of the wind for each wind level and because this function is to make the instal- lation easier.
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36-34-32 38-35-33 39-36-34 40-37-35 ABNW24GBHC0[UB24C NH0] 38-36-34 39-37-35 40-38-36 41-39-37 indicates values at ‘Standard Mode’. External Static Pressure 2.5(25) [mmAq(Pa)] ABNW18GBHC0 [UB18C NH0] ABNW24GBHC0 [UB24C NH0] High High ▲ Mid ▲ Mid l Low l Low NC-65 NC-65 NC-60 NC-60...
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Compact Indoor unit 7. Sound levels External Static Pressure 4(39) [mmAq(Pa)] ABNW18GBHC0 [UB18C NH0] ABNW24GBHC0 [UB24C NH0] 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...
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3. Sound level will vary depending on a range of factors such as the construction (acoustic absorption coefficient) of particular room in which the equipment in installed. Sound power level [dB(A)] Model ABNW18GBHC0 [UB18C NH0] ABNW24GBHC0 [UB24C NH0] ABNW18GBHC0 [UB18C NH0] ABNW24GBHC0 [UB24C NH0]...
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Compact Indoor unit 8. Controller Simple Wired Remote Controller 1. Operation Display Panel 2. Temperature Control Button 3. Fan Speed Button 4. On/Off Button 5. Operation Mode select Button h Some functions may not be operated and displayed depending on the product type. SPEED TEMP OPER...
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Compact Indoor unit 9. 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. Air filters Air outlet vents (Optional)
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Compact Indoor unit 9. Installation 9.2 Selection of the best location NOTE Install the air conditioner in the location that satisfies the fol- If the service panel is at the top of the unit, then provide lowing conditions. sufficient service clearance as per convenience. •...
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Compact Indoor unit 9. Installation ⑦ Insert the set anchor and washer on the suspension bolts 9.4 Position of suspension bolt for locking the suspension bolts on the ceiling. ① Install the unit leaning to a drainage hole side as given in ⑧...
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Compact Indoor unit 9. Installation 3) Indoor unit drain piping 9.5 Connection pipes to the indoor unit ① During drain piping connection, be careful not to exert 1) Refrigerant piping work extra force on the drain port on the indoor unit. please refer “REFRIGERANT PIPING WORK”.
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Compact Indoor unit 9. Installation ② Check the drain. - With drain pump ① Possible drain head is upto 700mm. • Poor eough water on the drain pan. ② Keep the drain pipe downward stope upto 1/50~1/100. • Ensure that water flows through the drain pipe from indoor Prevent any upward flow or reverse flow in any part.
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Compact Indoor unit 9. Installation 2) Wiring connection NOTE Connect the wires to the terminals on the control board indi- 1. Use round crimp-style terminals for connecting vidually according to the outdoor unit connection. wires to the power supply terminal block. If ①...
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Compact Indoor unit Ceiling concealed duct - Middle static pressure(2) 1. List of functions 2. Specifications 3. Dimensions 4. Piping diagrams 5. Wiring Diagrams 6. External pressure setting for 7. Sound levels 8. Controller 9. Installation...
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Compact Indoor unit 1. List of functions ABNW30GM1A0 [UM30 N14] Category Functions ABNW36GM2A0 [UM36 N24] Air supply outlet Airflow direction control (left & right) Airflow direction control (up & down) Auto swing (left & right) Air flow Auto swing (up & down) Airflow steps (fan/cool/heat) 3 / 3 / 3 Chaos wind(auto wind)
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Compact Indoor unit 2. Specifications ABNW30GM1A0 ABNW36GM2A0 Model Name [UM30 N14] [UM36 N24] 220-240, 1, 50 220-240, 1, 50 Power Supply V, Ø, Hz 900 × 270 × 700 1,250 × 270 × 700 W x H x D Dimensions Body 35-7/16 x 10-5/8 x 27-9/16 49-7/32 x 10-5/8 x 27-9/16...
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Compact Indoor unit 4. Piping diagrams Gas pipe connection port Heat exchanger (flare connection) Heating Thermistor for Cooling Sirocco Fan evaporator outlet Thermistor for temperature suction air temperature Thermistor for evaporator inlet temperature Liquid pipe connection port (flare connection) Description PCB Connector Thermistor for suction air temperature CN-ROOM...
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Compact Indoor unit 4. Piping diagrams Models : ABNW36GM2A0 [UM36 N24] Gas pipe connection port Heat exchanger (flare connection) Heating Thermistor for Cooling Sirocco Fan evaporator outlet Thermistor for temperature suction air temperature Thermistor for evaporator inlet temperature Liquid pipe connection port (flare connection) Description PCB Connector...
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Compact Indoor unit 5. Wiring diagrams Model : ABNW30GM1A0 [UM30 N14] Ceiling concealed duct - Middle static pressure(2)
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Compact Indoor unit 5. Wiring diagrams Model : ABNW36GM2A0 [UM36 N24] Ceiling concealed duct - Middle static pressure(2)
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Compact Indoor unit 6. External pressure setting for (E.S.P. Control) provide required constant air volume irrespective of E.S.P. charge. (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. n Without zone system 1.
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Compact Indoor unit 6. External pressure setting for How to Set E.S.P. on the remote controller? This is the function that decides the strength of the wind for each wind level and because this function is to make the instal- lation easier.
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Compact Indoor unit 6. External pressure setting for Installer Setting - Static Pressure Step Setting This function is applied to only duct type. Setting this in other cases will cause malfunction. This function is only available on some products. This is the function that static pressure of the product is divided in 11 steps for setting. OPER When pressing the button and...
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Compact Indoor unit 7. Sound level 7.1 Sound Pressure level 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) 1.5m...
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Compact Indoor unit 7. Sound level External Static Pressure 4(39) [mmAq(Pa)] ABNW30GM1A0 [UM30 N14] ABNW36GM2A0 [UM36 N24] 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...
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Compact Indoor unit 7. Sound level External Static Pressure 10(98) [mmAq(Pa)] ABNW30GM1A0 [UM30 N14] ABNW36GM2A0 [UM36 N24] 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...
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Compact Indoor unit 7. Sound level 7.2 Sound power level Notes: - External static pressure is according to “Standard mode” value. Refer the specifications. 1. Operating condition 2. Reference acoustic intensity 0dB = 10E-6μW/m - Power source : 220-240V 50Hz / 220V 60Hz 3.
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Compact Indoor unit 8. Controller Wired remote controller Please attach the inform label inside of the door. Please choose proper language depend on your country. OPERATION INDICATION SCREEN FUNCTION SETTING Button SET TEMPERATURE Button VENTILATION Button FAN SPEED Button RESERVATION ON/OFF Button UP,DOWN,LEFT,RIGHT Button •...
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Compact Indoor unit 9. 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. Air inlet vents Air outlet vents...
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Compact Indoor unit 9. Installation 9.2 Selection of the best location Top view (Unit: mm) Inspection hole Install the air conditioner in the location that satisfies the 600 x 600 Air inlet vents following conditions. Control box • The place shall easily bear a load exceeding four times the indoor unit’s weight.
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Compact Indoor unit 9. Installation 9.3 Ceiling dimension and hanging bolt location and service space 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. •...
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Compact Indoor unit 9. Installation CASE 2 Position of console Bolt ① A place where the unit will be leveled and that can sup- port the weight of the unit. ② A place where the unit can withstand its vibration. ③...
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Compact Indoor unit 9. Installation 9.4 Connecting pipes to the indoor unit Liquid pipe 1) Refrigerant piping work Refrigerant pipe and thermal insulation(Local supply) please refer “REFRIGERANT PIPING WORK”. 2) Piping insulation Clamp for insulation (Local supply) ① Perform heat insulation work completely on both gas and Insulation the liquid pipe.
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Compact Indoor unit 9. Installation 3) Indoor unit drain piping • Lay the drain hose with a downware inclination so water will drain out. ① Drain piping must have down-slope (1/50 to 1/100): be sure not to provide up-and-down slope to prevent rever- Thermal insulator sal flow.
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Compact Indoor unit 9. Installation 9.5 Electric wiring work Thermal insulation (Local supply) 1) General instructions Drain pipe ① All field supplied parts and materials, electric works must Unit (Local supply) conform to local codes. Use copper wire only. ② Follow the "WIRING DIAGRAM” attached to the unit Elbow body to wire the outdoor unit, indoor units and the remote controller.
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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 March / 2016 Printed in Korea quality assurance and ISO14001 certificate for environmental management system. The specifications, designs, and information in this brochure are subject to change without notice.