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Fujitsu AU G45LRLA Series Design & Technical Manual
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Fujitsu AU G45LRLA Series Design & Technical Manual

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AIR CONDITIONER
Cassette type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AU  G45LRLA
AU  G54LRLA
AO  G45LETL
AO  G54LETL

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Summary of Contents for Fujitsu AU G45LRLA Series

  • Page 1 AIR CONDITIONER Cassette type DESIGN & TECHNICAL MANUAL INDOOR AU  G45LRLA AU  G54LRLA OUTDOOR AO  G45LETL AO  G54LETL...

  • Page 2: Indoor Unit

    1. INDOOR UNIT CASSETTE TYPE : AUG45LRLA AUG54LRLA DTR_AU053E_03 2014.05.16...

  • Page 3: Table Of Contents

    CONTENTS 1. INDOOR UNIT FEATURES ......................01 - 01 WIRED REMOTE CONTROLLER ........... 01 - 03 SPECIFICATIONS ..................01 - 05 DIMENSIONS ....................01 - 06 WIRING DIAGRAMS .................. 01 - 08 CAPACITY TABLE ..................01 - 09 6-1. COOLING CAPACITY ................

  • Page 4: Features

    FEATURES MODELS „ „ AUG45LRLA / AOG45LETL AUG54LRLA / AOG54LETL FEATURES „ „ Energy saving „ • All DC design • Heat exchange efficiency increased and larger air flow by adoption of new type turbo fan Advancement in comfort „ •...
  • Page 5 Economy operation „ The power consumption can be reduced. Improvement of installation & maintenance „ • Adjustment of hanger position is possible after installation Mounting position of body can be fine adjusted after mounting the cassette grille. Detachable grille corner Adjustment can be done by just taking off the corner part High lift drain pump...

  • Page 6: Wired Remote Controller

    WIRED REMOTE CONTROLLER FEATURES „ „ Various timer setup available (ON / OFF / WEEKLY).  „ Equipped with weekly timer as standard function.  „ (Start/Stop function is twice per day for a week) When setting up the timer, operation mode and temperature ...
  • Page 7 FUNCTIONS „ „ START/STOP button Pressed to start and stop operation. SET TEMP button Selects the setting temperature. MODE button Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY). FAN button Selects the fan speed (AUTO, QUIET, LOW, MED, HIGH). ECONOMY button Turns the economy efficient mode on and off.

  • Page 8: Specifications

    SPECIFICATIONS CASSETTE MODEL Type INVERTER HEATPUMP Model name G45LRLA G54LRLA   Power source 230 V ~ 50 Hz Available voltage range 198 - 264 V 12.5 13.3 Rated Btu/h 42700 45400 Cooling 4.0-14.0 4.5-14.5 Min.-Max. Btu/h 13700-47800 15400-49500 Capacity 14.0 16.0 Rated...

  • Page 9: Dimensions

    DIMENSIONS MODELS : AU G45LRLA, AUG54LRLA „ „ Ceiling opening and hanging bolt pitch „ (Unit : mm) 950 (Panel frame) 860 - 910 (Ceiling opening) 840 (Body frame) 795 (Hanging bolt pitch) Refrigerant piping and drain piping positions „ Drain pipe (Connect the attached drain hose) Airflow split-flow duct and fresh air inlet positions...
  • Page 10 INSTALLATION PLACE „ „ (Unit : mm) Strong and durable ceiling 298 or more 1,500 3,000 or more or more Ceiling mode “Low” : 2.7 m Ceiling mode “Standard” : 3.2 m Obstruction Ceiling mode “High” : 4.2 m Floor 3-way directions setting „...

  • Page 11: Wiring Diagrams

    WIRING DIAGRAMS MODELS : AU G45LRLA, AUG54LRLA „ „ - (01 - 08) -...

  • Page 12: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY This table is created using the maximum capacity. MODEL : AUG45LRLA „ „ 31.7 Indoor temperature °CDB °CWB °CDB 11.34 8.71 2.56 12.63 8.76 2.60 13.06 9.52 2.62 13.92 9.55 2.64 14.35 10.32 2.66 15.21 10.28 2.68 16.07 10.95 2.71 11.44 8.70...

  • Page 13: Heating Capacity

    6-2. HEATING CAPACITY This table is created using the maximum capacity. MODEL : AUG45LRLA „ „ 31.7 Indoor temperature °CDB °CDB °CWB 10.90 4.14 10.64 4.22 10.38 4.31 10.12 4.40 9.86 4.48 11.86 4.29 11.57 4.38 11.29 4.47 11.01 4.56 10.73 4.65 12.96...

  • Page 14: Fan Performance

    FAN PERFORMANCE 7-1. AIR VELOCITY DISTRIBUTION Note: Condition 7-1-1. STANDARD MODE Fan speed : High Operation mode : FAN MODEL : AUG45LRLA Ceiling mode : Standard „ „ 4-way air outlet „ Unit : m/s 0.25 Top view 0.25 Vertical airflow direction louver: Up Unit : m/s Side view...
  • Page 15 Note: Condition Fan speed : High Operation mode : FAN Ceiling mode : Standard 3-way air outlet „ Unit : m/s 0.25 0.25 0.25 Top view Vertical airflow direction louver: Up Unit : m/s Side view 0.25 0.25 Vertical airflow direction louver: Up Unit : m/s Side view...
  • Page 16 Note: Condition Fan speed : High Operation mode : FAN MODEL : AUG54LRLA Ceiling mode : Standard „ „ 4-way air outlet „ Unit : m/s Top view Vertical airflow direction louver: Up Unit : m/s Side view Vertical airflow direction louver: Up Unit : m/s Side view...
  • Page 17 Note: Condition Fan speed : High Operation mode : FAN Ceiling mode : Standard 3-way air outlet „ Unit : m/s Top view Vertical airflow direction louver: Up Unit : m/s Side view Vertical airflow direction louver: Up Unit : m/s Side view Vertical airflow direction louver: Down...

  • Page 18: Special Upward Mode

    Note: Condition 7-1-2. SPECIAL UPWARD MODE Fan speed : High Operation mode : FAN MODEL : AUG45LRLA Ceiling mode : Standard „ „ 4-way air outlet „ Unit : m/s Side view Vertical airflow direction 0.25 louver: Special upward MODEL : AUG54LRLA „...

  • Page 19: Airflow

    7-2. AIRFLOW 7-2-1. 4-WAY OUTLET MODEL : AUG45LRLA „ „ Cooling / Heating „ Number of Fan speed rotations Airflow (r.p.m.) 1900 HIGH 1118 1640 1460 1250 QUIET MODEL : AUG54LRLA „ „ Cooling / Heating „ Number of Fan speed rotations Airflow (r.p.m.)

  • Page 20: 3-Way Outlet

    7-2-2. 3-WAY OUTLET MODEL : AUG45LRLA „ „ Cooling / Heating „ Number of Fan speed rotations Airflow (r.p.m.) 1690 HIGH 1490 1340 1140 QUIET MODEL : AUG54LRLA „ „ Cooling / Heating „ Number of Fan speed rotations Airflow (r.p.m.) 1740 HIGH...

  • Page 21: Fresh Air

    7-3. FRESH AIR MODELS : AU G45LRLA, AUG54LRLA „ „ Airflow volume - Static pressure of Fresh air intake characteristic „ Duct (Inside Dia. ø70mm) Duct Fan Static pressure required to take in fresh air Airflow (m Installation „ 70 mm 2.5 mm screw 62 mm 250 mm...

  • Page 22: Duct Connection

    7-4. DUCT CONNECTION MODELS : AU G45LRLA, AUG54LRLA „ „ Outlet air „ AUG45LRLA Duct (Inside size. 350mm×100mm) Fan Speed High 1-way Fan Speed High 2-way Fan Speed Quiet 1-way L=10m Fan Speed L=5m Quiet 2-way L=1m Airflow (m /min) AUG54LRLA Fan Speed High 1-way...
  • Page 23 PRECAUTIONS WHILE CONNECTING AIR OUTLET DUCT „ „ zConnect the air outlet duct to maximum two locations among the four duct „ connection locations. (Do not connect ducts to three or more locations.) zBlow-off pattern when a branch duct is installed „...

  • Page 24: Noise Level Curve

    OPERATION NOISE (SOUND PRESSURE) 8-1. NOISE LEVEL CURVE Condition Ceiling mode : Standard MODEL : AUG45LRLA „ „ Air outlet : 4-way air outlet Cooling Heating „ „ NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH NC-50 NC-50 HIGH NC-45 NC-45 NC-40 NC-40 NC-35...

  • Page 25: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT Microphone 1.5m Microphone CENTER - (01 - 22) -...

  • Page 26: Electric Characteristics

    ELECTRIC CHARACTERISTICS AUG45LRLA Model name AUG54LRLA Voltage 230 ~ Power supply Frequency Max. operating current (Indoor unit) Connection cable 1.5 (Min.) *1) Wiring spec. (Indoor unit to outdoor unit) *2) Limited wiring length *1) Wiring Spec. Selected Sample (Selected based on Japan Electrotechnical Standards and Codes Committee E0005) *2) Limited wiring length : Limit voltage drop to less than 2%.

  • Page 27: Safety Devices

    SAFETY DEVICES Model Protection form AUG45LRLA AUG54LRLA Circuit protection Current fuse (PCB) 250V 3.15A °C OFF Thermal protection Fan motor protection program °C ON - (01 - 24) -...

  • Page 28: External Input & Output

    EXTERNAL INPUT & OUTPUT Connector INPUT OUTPUT REMARKS CN102 Control input — See external CN103 — Operation status output input/output settings for details. — Fresh air control output 11-1. EXTERNAL INPUT CONTROL INPUT (Operation/Stop or Forced stop) „ „ The air conditioner can be remotely operated by means of the following on-site work. "Operation/Stop"...

  • Page 29: External Output

    11-2. EXTERNAL OUTPUT OPERATION STATUS OUTPUT „ „ An air conditioner operation status signal can be output. Circuit diagram example „ Indoor unit Connected unit control PC board Connector Ex.)Relay unit Ex.)Display 24V DC Relay power supply *10 m Signal Field supply * Make the distance from the PC board to the connected unit within 10m.
  • Page 30 FRESH AIR CONTROL OUTPUT „ „ A signal linked to air conditioner indoor fan ON can be output. * However, signal becomes OFF during cold air prevention control operation. Circuit diagram example „ Indoor unit Connected unit control PC board Ex.) Fan Ex.) Relay unit 12 V...

  • Page 31: Function Settings

    FUNCTION SETTINGS 12-1. INDOOR UNIT INDOOR UNIT DIP SW Remote controller address setting Jumper Wire Setting prohibited SWITCH POSITION „ „ MAIN PCB Indoor unit Printed circuit board DIP-SW SETTING „ „ Remote controller address setting „ A number of indoor units can be operated at the same time using a wired remote controller. Set the unit number of each indoor unit using the DIP switches on the indoor unit circuit board.

  • Page 32: Indoor Unit (Setting By Remote Controller)

    12-2. INDOOR UNIT (Setting by remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit to malfunction. • After the power is turned on, perform the Function Setting according to the installation conditions using the remote controller.
  • Page 33 (5) Press the TIMER SET button to confirm the setting. Press the TIMER SET button for a few seconds until the setting value stops flashing. If the setting value display changes or if “- -” is displayed when the flashing stops, the setting value has not been set correctly. (An invalid setting value may have been selected for the indoor unit.) (6) Repeat steps 2 to 5 to perform additional settings.
  • Page 34 CONTENTS OF FUNCTION SETTING „ „ • Follow the instructions in the Local Setup Procedure, which is supplied with the remote control, in accordance with the installed condition. After the power is turned on, perform the Function Setting on the remote control. •...
  • Page 35 3) Outlet directions Select the appropriate number of outlet directions according to the installation conditions. (  . . .Factory setting) Setting Description Function Number Setting Value 4-way  3-way 4) Vertical airflow direction range control To prevent draft, change the setting to "Upward" (01). Note that the airflow in certain usage conditions may leave the ceiling dirty.
  • Page 36 8) Room temperature sensor switching (Only for wired remote controller) When using the Wired remote controller temperature sensor, change the setting to "Both" (01). (  . . .Factory setting) Setting Description Function Number Setting Value Indoor unit  Both 00: Sensor on the indoor unit is active.

  • Page 37: Wired Remote Controller

    12-3. WIRED REMOTE CONTROLLER SWITCH POSITION „ „ Front case (back side) DIP Switch 2 DIP Switch 1 (All switches fixed at OFF) DIP SWITCH 1 SETTING „ „ SW1 Prohibited* SW2 Dual remote controller setting SW3 Prohibited* DIP Switch 1 SW4 Prohibited* SW5 Prohibited* SW6 Memory backup setting...

  • Page 38: Controller

    OPTIONAL PARTS 13-1. CONTROLLER Exterior Parts name Model No. Summary Large and full-dot liquid Wired remote crystal screen, wide and UTY-RVN  M large keys easy to press, controller user-intuitive arrow key. The room temperature can Wired remote be controlled by detecting UTY-RNN ...

  • Page 39: Others

    13-3. OTHERS Exterior Parts name Model No. Summary Air outlet shutter plate is Air outlet installed at the air outlet UTR-YDZC shutter plate when 3-way direction is performed. Wide panel hides the gap Wide panel UTG-AGYA-W between the ceiling hole and the Cassette grille.
  • Page 40 2. OUTDOOR UNIT SINGLE TYPE : AOG45LETL AOG54LETL DTR_AO136E_03 2014.05.16...
  • Page 41 CONTENTS 2. OUTDOOR UNIT FEATURE ······························································································ 02 - 01 2. SPECIFICATIONS ·············································································· 02 - 03 DIMENSIONS ······················································································· 02 - 04 4. INSTALLATION PLACE ··································································· 02 - 05 4-1. SINGLE OUTDOOR UNIT INSTALLATION ········································· 02 - 05 4-2. MULTIPLE OUTDOOR UNIT INSTALLATION ·····································...

  • Page 42: Feature

    FEATURE FEATURES „ „ Peak cut operation „ Peak cut mode Suppresses maximum capacity to perform energy-saving operation, preventing breaker tripping. This function operates by setting a peak current value and reducing the power consumption. * Performance drops by reducing the power consumption preferentially. Level 1 ...
  • Page 43 Space saving „ Compact size High performance has been realized with a compact outdoor unit. Due to the compact size, the space required for installation has been reduced, allowing a wider selection of installation locations. 4-direction piping connection „ Rear Piping is connectable in any of the four directions.

  • Page 44: Specifications

    SPECIFICATIONS Model name AOG45LETL AOG54LETL Power source 1Ø 230 V~ 50 Hz Available voltage range 198 - 264 V Starting current 18.9 20.9 Cooling 6,750 6,750 Airflow rate Heating 6,200 6,850 Type × Q'ty Propeller × 2 Motor output Cooling Sound pressure level dB(A) Heating...

  • Page 45: Dimensions

    DIMENSIONS MODELS: AO G45LETL, AOG54LETL „ „ (Unit : mm) Top view Terminal blocks 3-way valve ( Liquid ) 3-way valve ( Gas ) Ø28 (Cable port) Ø28 (Cable port) Pipe port Pipe port Pipe port Front view Side view Rear view Detail A Pipe &...

  • Page 46: Installation Place

    INSTALLATION PLACE 4-1. SINGLE OUTDOOR UNIT INSTALLATION WHEN THE UPWARD AREA IS OPEN „ „ (Unit : mm) Obstacles at front and Obstacles at rear Obstacles at rear and Obstacles at front only sides only only rear only 1000 or more 1000 or more WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD AREA „...

  • Page 47: Multiple Outdoor Unit Installation

    4-2. MULTIPLE OUTDOOR UNIT INSTALLATION WHEN THE UPWARD AREA IS OPEN „ „ (Unit : mm) Obstacles at rear only Obstacles at front only Obstacles at front and rear only 1500 or more 1500 or more WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD AREA „...

  • Page 48: Refrigerant Circuit

    REFRIGERANT CIRCUIT MODELS: AO G45LETL, AOG54LETL „ „ Refrigerant direction Cooling Heating Refrigerant pipe diameter Liquid : 9.52mm (3/8") Gas : 15.88mm (5/8") - (02 - 07) -...

  • Page 49: Wiring Diagrams

    WIRING DIAGRAMS MODELS: AO G45LETL, AOG54LETL „ „ - (02 - 08) -...

  • Page 50: Capacity Compensation Rate For Pipe Length And Height Difference

    CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE MODEL: AO „ „ G45LETL Pipe length (m) COOLING 0.879 0.846 0.814 Û 1 0.926 0.893 0.861 0.828 Indoor unit is 0.975 0.942 0.908 0.875 0.841 higher than 0.988 0.979 0.946 0.912 0.878 0.845...
  • Page 51 MODEL: AO „ „ G54LETL Pipe length (m) COOLING 0.871 0.837 0.803 Û 1 0.921 0.886 0.851 0.816 Indoor unit is 0.971 0.936 0.900 0.865 0.830 higher than 0.988 0.975 0.940 0.904 0.868 0.833 outdoor unit. 0.992 0.992 0.979 0.943 0.908 0.872 0.836...

  • Page 52: Additional Charge Calculation

    ADDITIONAL CHARGE CALCULATION MODELS: AO G45LETL, AOG54LETL „ „ Refrigerant type R410A Refrigerant amount 3350 Refrigerant Charge „ Total pipe length 20 or less 50 (MAX) 40g/m Additional charge 1200 - (02 - 11) -...

  • Page 53: Air Flow

    AIR FLOW MODELS: AO G45LETL, AOG54LETL „ „ Cooling „ Number of MODEL rotations Air flow (r.p.m.) 6750 Upper fan AO  G45LETL 1875 Lower fan 3974 6750 Upper fan AO  G54LETL 1875 Lower fan 3974 Heating „ Number of MODEL rotations Air flow...

  • Page 54: Operation Noise (Sound Pressure)

    OPERATION NOISE (SOUND PRESSURE) 10-1. NOISE LEVEL CURVE MODEL: AO „ „ G45LETL Cooling Heating „ „ 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 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000...

  • Page 55: Sound Level Check Point

    10-2. SOUND LEVEL CHECK POINT Airflow Microphone Microphone - (02 - 14) -...

  • Page 56: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model name AO  G45LETL AO  G54LETL Voltage 230 ~ Power supply Frequency *1) Max. operating current 22.5 23.5 Circuit breaker current *2) Wiring spec. Power cable *1) The maximum current is the total current of indoor unit and outdoor unit. *2) Wiring spec.

  • Page 57: Safety Devices

    SAFETY DEVICES Model Protection form AO  G45LETL AO  G54LETL Current fuse 250V 30A, 250V 10A x2, 250V 3.15A (Filter printed circuit board) Circuit protection Current fuse 250V 3.15A (Main printed circuit board) OFF : 150±15°C Fan motor protector Thermal protector ON : 120±15°C Thermal protection program...

  • Page 58: External Input & Output

    EXTERNAL INPUT & OUTPUT Input Output Connector Remarks Low noise mode ― CN10 Peak cut mode ― CN11 See external input/output settings ― Error status CN12 for details. ― Compressor status CN13 13-1. EXTERNAL INPUT ON/OFF of the "Low noise mode" and "Peak cut mode" functions can be specified by external signal.
  • Page 59 PEAK CUT MODE „ „ • Operation that suppressed the current value can be performed by means of the following on- site work. The air conditioner is set to the Peak cut mode when closing the contact input of a commercial ON/OFF switch to a connector on the outdoor control PC board.

  • Page 60: External Output

    13-2. EXTERNAL OUTPUT ERROR STATUS OUTPUT „ „ • An air conditioner error status signal is produced when a malfunction occurs. Circuit diagram example „ Outdoor unit Connected unit control PC board Connector Power supply 1) Power supply ●Voltage (Chart sign=Vcc) : DC 24V or less 2) Load Load ●...
  • Page 61 COMPRESSOR STATUS OUTPUT „ „ • Compressor operation status signal is produced when the compressor is running. Circuit diagram example „ Outdoor unit Connected unit control PC board Connector Power supply 1) Power supply ●Voltage (Chart sign=Vcc) : DC 24V or less 2) Load Load ●...

  • Page 62: Function Settings

    FUNCTION SETTINGS Caution Discharge the static electricity from your body before setting up the push buttons. Never touch the terminals or the patterns on the parts that are mounted on the board. 14-1. FIELD SETTING SWITCHES The positions of the switches on the outdoor unit control board are shown in the figure below. LED lamps Push buttons...

  • Page 63: Setting Method

    14-2. SETTING METHOD  Stop the operation of air conditioner before this setting. 14-2-1. LOW NOISE MODE LED lamp part (1) Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or more. (2) Confirm that the (POWER / MODE) blinks 9 times, then press [ENTER] button (SW3). PUMP POWER LOW NOISE...

  • Page 64: Peak Cut Mode

    14-2-2. PEAK CUT MODE LED lamp part (1) Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or more. (2) Confirm that the (POWER / MODE) blinks 9 times, then press [ENTER] button (SW3). PUMP POWER LOW NOISE PEAK CUT DOWN...

  • Page 65: Optional Parts

    OPTIONAL PARTS Exterior Parts name Model No. Summary Use to operate the External input External connect UTY-XWZXZ3 and output function of Outdoor unit. - (02 - 24) -...

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Au g54lrla seriesAo g45letl seriesAo g54letl series

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