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Fujitsu AMUG24LMAS Design & Technical Manual

Air conditioner duct type
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AIR CONDITIONER
Duct type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AMUG24LMAS
AMUG30LMAS
AMUG36LMAS
AMUG48LMAS
AOU24RGLX
AOU30RGLX
AOUG36LMAS1
AOUG48LMAS1
DR_AR048EF_01
2020.07.10

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Summary of Contents for Fujitsu AMUG24LMAS

  • Page 1 AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR AMUG24LMAS AMUG30LMAS AMUG36LMAS AMUG48LMAS OUTDOOR AOU24RGLX AOUG36LMAS1 AOU30RGLX AOUG48LMAS1 DR_AR048EF_01 2020.07.10...
  • Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Copyright © 2019 Fujitsu General Limited. All rights reserved.

  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................4 2-1. Models: AMUG24LMAS, AMUG30LMAS, AMUG36LMAS, and AMUG48LMAS.....4 2-2. Installation space requirement ..................5 3. Capacity table....................7 3-1. Cooling capacity.......................7 3-2. Heating capacity ......................10 4. Fan performance ..................12 4-1. Fan performance curve....................12 4-2. Airflow ..........................14 5.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............65 1. Specifications....................66 2. Dimensions....................68 2-1. Models: AOU24RGLX and AOU30RGLX ..............68 2-2. Models: AOUG36LMAS1 and AOUG48LMAS1.............69 3. Installation space ..................70 3-1. Models: AOU24RGLX and AOU30RGLX ..............70 3-2. Models: AOUG36LMAS1 and AOUG48LMAS1.............73 4. Refrigerant circuit ..................77 4-1.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT DUCT TYPE: AMUG24LMAS AMUG30LMAS AMUG36LMAS AMUG48LMAS...

  • Page 6: Specifications

    1. Specifications Duct Type Inverter heat pump Model name AMUG24LMAS AMUG30LMAS AMUG36LMAS AMUG48LMAS Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V 7.03 8.79 10.55 13.36 Rated Btu/h 24,000 30,000 36,000 45,600 95 °FDB...
  • Page 7 Duct Type Inverter heat pump Model name AMUG24LMAS AMUG30LMAS AMUG36LMAS AMUG48LMAS °F (°C) 64 to 90 (18 to 32) Cooling Operation range 80 or less 80 or less — — Heating °F (°C) 60 to 86 (16 to 30) NOTES: •...

  • Page 8: Dimensions

    Dimension (Unit: in (mm)) Model A (Supply duct) W (Unit width) H (Unit height) AMUG24LMAS 19-1/2 (495) 21 (533) 42-1/2 (1,080) AMUG30LMAS AMUG36LMAS 19-1/2 (495) 21 (533) 57 (1,448) AMUG48LMAS - 4 - 2-1. Models: AMUG24LMAS, AMUG30LMAS, AMUG36LMAS, and AMUG48LMAS 2. Dimensions...

  • Page 9: Installation Space Requirement

    2-2. Installation space requirement Provide sufficient installation space for product safety. (Top side) Service access 4 (100) 24 (600) or more or more For installation method, the following 4 patterns • Pattern A: Vertical installation, air intake port at the bottom •...
  • Page 10 • Pattern C: Vertical installation, air intake port at the top Reversing the heat exchanger and reattaching the thermistor are required • Pattern D: Horizontal installation, air intake port at the left Reversing the heat exchanger and reattaching the thermistor are required - 6 - 2-2.

  • Page 11: Capacity Table

    Airflow Rate (AFR): For cooling capacity: Total Capacity (TC), Sensible Heat Capacity (SHC), and Input Power (IP) For heating capacity: Total Capacity (TC) and Input Power (IP) 3-1. Cooling capacity ¢ Model: AMUG24LMAS Indoor temperature °FDB °FWB °FDB...
  • Page 12 ¢ Model: AMUG30LMAS Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 6.78 6.78 3.78 7.07 7.07 3.97 7.56 7.56 4.07 8.06 8.06 4.28 9.43 9.43 4.30 10.12 10.12 4.34 13.61 13.61 2.96 13.96 13.96 3.15 14.82 14.82 3.27 16.17 16.17...
  • Page 13 ¢ Model: AMUG48LMAS 1,640 Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 33.48 30.60 2.58 39.83 33.85 2.64 45.19 37.02 2.77 50.60 40.61 2.97 55.54 44.28 3.20 60.88 48.60 3.53 34.47 31.83 3.13 42.89 38.15 3.18 49.17 41.94 3.29 54.70...

  • Page 14: Heating Capacity

    3-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: AMUG24LMAS Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 18.76 3.19 18.37 3.20 18.10 3.20 18.04 3.43 17.96 3.48 20.64 3.19...
  • Page 15 ¢ Model: AMUG36LMAS 1,200 Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 32.94 4.07 31.05 4.11 28.83 4.28 28.44 4.31 28.78 4.45 33.11 4.65 33.45 4.67 32.90 4.77 32.47 4.81 31.55 4.92 33.99 5.02 36.37 5.02 36.75 5.11 36.41 5.15 35.15...

  • Page 16: Fan Performance

    4. Fan performance 4-1. Fan performance curve ¢ Model: AMUG24LMAS 1.4 (350) 1.2 (300) 1.0 (250) 0.8 (200) 0.6 (150) 0.4 (100) 0.2 (50) 1,059 1,177 (200) (400) (600) (800) (1,000) (1,200) (1,400) (1,600) (1,800) (2,000) Airflow (CFM [m3/h]) ¢ Model: AMUG30LMAS 1.4 (350)
  • Page 17 ¢ Model: AMUG36LMAS 1.4 (350) 1.2 (300) 1.0 (250) 0.8 (200) 0.6 (150) 0.4 (100) 0.2 (50) 1,177 1,472 (500) (1,000) (1,500) (2,000) (2,500) Airflow (CFM [m3/h]) ¢ Model: AMUG48LMAS 1.4 (350) 1.2 (300) 1.0 (250) 0.8 (200) 0.6 (150) 0.4 (100) 0.2 (50) 1,177...

  • Page 18: Airflow

    4-2. Airflow ¢ Model: AMUG24LMAS  Cooling Fan speed Airflow 1,359 HIGH 1,138 1,002 QUIET  Heating Fan speed Airflow 1,359 HIGH 1,138 1,002 QUIET - 14 - 4-2. Airflow 4. Fan performance...
  • Page 19 ¢ Model: AMUG30LMAS  Cooling Fan speed Airflow 1,478 HIGH 1,240 1,002 QUIET  Heating Fan speed Airflow 1,478 HIGH 1,240 1,002 QUIET - 15 - 4-2. Airflow 4. Fan performance...
  • Page 20 ¢ Model: AMUG36LMAS  Cooling Fan speed Airflow 2,039 HIGH 1,200 1,257 1,002 QUIET  Heating Fan speed Airflow 2,039 HIGH 1,200 1,257 1,002 QUIET - 16 - 4-2. Airflow 4. Fan performance...
  • Page 21 ¢ Model: AMUG48LMAS  Cooling Fan speed Airflow 2,786 HIGH 1,640 1,733 1,020 1,393 1,002 QUIET  Heating Fan speed Airflow 2,786 HIGH 1,640 1,733 1,020 1,393 1,002 QUIET - 17 - 4-2. Airflow 4. Fan performance...

  • Page 22: Operation Noise (Sound Pressure)

    5. Operation noise (sound pressure) 5-1. Noise level curve ¢ Model: AMUG24LMAS  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH NC-45 NC-45 HIGH NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 QUIET NC-15...
  • Page 23 ¢ Model: AMUG36LMAS  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH HIGH NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 QUIET QUIET NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz...

  • Page 24: External Input And Output

    6. External input and output Rotary switch CN47 CN65 Fig. External input and output PCB Terminal (External in) External out External in/out PCB (Connect with Wire kit) Remote sensor External Input connect kit External input External output Connector Input select signal (Optional parts)
  • Page 25 ¢ External input and output PCB The indoor unit Operation/Stop can be set by using the input terminal on the PCB.  Input select Use either one of these types of terminals according to the application. (Both types of terminals cannot be used simultaneously.) •...

  • Page 26: External Output

    6-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. ¢ Indoor unit • A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m). •...
  • Page 27 ¢ External input and output PCB • A twisted pair cable (22AWG) should be used. • Permissible voltage and current: DC 5 V to 30 V / 3 A, AC 30 V to 250 V / 3 A • For details, refer to Chapter 6-3. "Combination of external input and output"...

  • Page 28: Combination Of External Input And Output

    6-3. Combination of external input and output By combining the function setting of the indoor unit and rotary switch setting of the External input and output PCB, you can select various combinations of functions. Combination examples of external input and output are as follows: External input External input Function...
  • Page 29 External output External input Function and output Indoor unit Mode External input and output PCB setting PCB (Rotary Output CN47 Output 1 Output 2 Output 3 Indoor unit fan 60-00 Operation/Stop Operation/Stop Error status operation status Indoor unit fan External heater 60-00 Operation/Stop Error status...
  • Page 30 ¢ Input signal type • Indoor unit Input signal type is only "Edge". Edge • External input and output PCB The input signal type can be selected. Signal type (edge or pulse) can be switched by the DIP switch 2 (SW2) on the External input and output PCB.

  • Page 31: Details Of Function

    6-4. Details of function ¢ Control input function  When function setting is "Operation/Stop" mode 1 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Terminal...
  • Page 32  When function setting is "Forced stop" mode • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Forced stop Input of indoor unit Terminal On →...
  • Page 33  When function setting is "Operation/Stop" mode 2 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Terminal Stop (R.C.
  • Page 34 ¢ Forced thermostat off function Function Rotary SW of External External input Input signal Command setting / input and output PCB 60-00 / 2 60-02 / 4 60-05 / 7 Off → On Thermostat off 60-06 / 8 External input and output Input 1 60-08 / A 60-09 / B...
  • Page 35 ¢ Error status Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Error 60-09 / B Output of indoor unit CN47 High → Low Normal 60-00 / 2 Off → On Error 60-01 / 3 60-02 / 4...
  • Page 36 ¢ Indoor unit fan operation status Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Fan run 60-10 / C Output of indoor unit CN47 High → Low Fan stop 60-00 / 2 Off →...
  • Page 37 ¢ External heater output Function setting Indoor unit Wired R. C. Control Primary heater Auxiliary heater Control switching external heaters Sensor activation* No. 61 Auxiliary heater Heat pump 61-00 — External device* control 1 Auxiliary heater Heat pump External device 61-01 —...
  • Page 38 Return air • Inappropriate designing and installation of external heater may cause a fire by emitted heat from the external heater. • Fujitsu General Ltd. is not responsible for inappropriate designing or installation of external heating device. - 34 - 6-4.
  • Page 39  Auxiliary equipment control by room temperature Auxiliary equipment control is switchable by room temperature. Auxiliary equipment switching is per- formed for each room temperature divided to following 3 zones. Zone A Ts +0.9°F (0.5 °C) Ts: Setting temperature Ts -0.9°F (0.5 °C) Tr: Room temperature Zone B Zone C...
  • Page 40  Auxiliary heater control 1 Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Heater off • Error occurred •...
  • Page 41  Heat pump prohibition control Perform heating by external heater only. Indoor unit is continuous thermostat off. Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
  • Page 42  Auxiliary heater control by outdoor temperature 1 This control selects heat pump or external heater according to the outdoor temperature. When out- door temperature is high, the heating is performed by using heat pump only. Operation Condition Heater is on as shown in following diagram of heating Heater on temperature.
  • Page 43 • Operation status 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C) -4°F (-20°C) Heat pump Heat pump Combination zone prohibition only zone Outdoor temperature zone* zone Comp. On/Off 12 V Heater DIP-SW101-3: On DIP-SW101-3: Off *: The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min. NOTE: In following operations, compressor will be on in heat pump prohibition zone.
  • Page 44  Auxiliary heater control by outdoor temperature 2 This control selects heat pump or external heater according to the outdoor temperature. Even when outdoor temperature is high, the heating is performed by using both of heat pump and external heater. Operation Condition Heater on...
  • Page 45 • Operation status 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C) -4°F (-20°C) Heat pump Combination zone Outdoor temperature zone * prohibition zone Comp. On/Off 12 V Heater DIP-SW101-3 On DIP-SW101-3 Off * The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min. NOTE: In following operations, compressor will be on in heat pump prohibition zone.
  • Page 46  Auxiliary heater control by outdoor temperature 3 This control selects heat pump or external heater according to the outdoor temperature. Even when outdoor temperature is high, the heating is performed by using both of heat pump and external heater. Operation Condition Heater on...
  • Page 47 • Operation status Heat pump only zone 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C) -4°F (-20°C) Combination zone Outdoor temperature zone * Comp. On/Off 12 V Heater DIP-SW101-3 On DIP-SW101-3 Off *: The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min. NOTE: In following operations, compressor will be on in heat pump prohibition zone.
  • Page 48  Auxiliary heat pump control • External heater output Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Indoor unit fan •...
  • Page 49  Auxiliary heat pump control by outdoor temperature 1 • External heater output Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
  • Page 50 • Outdoor temperature zone Outdoor temp. Combination zone     ( Heat pump + Heater) A + 3.6°F ( 2°C): -0.4°F (-18°C) *A: -4°F (-20°C)   Heater only zone   *: Adjustable by function setting 67 • Operation status 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting)
  • Page 51  Auxiliary heat pump control by outdoor temperature 2 • External heater output Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
  • Page 52 • Outdoor temperature zone Outdoor temp. Heater only zone B + 3.6°F (2°C): 46.4°F (8°C) *B: 42.8°F (6°C) Combination zone (Heat pump + Heater) *: Adjustable by function setting 67 • Operation status Heat pump prohibition zone 46.4°F (8°C) 42.8°F (6°C) Outdoor temperature (Factory setting) -0.4°F (-18°C)
  • Page 53  Auxiliary heat pump control by outdoor temperature 3 • External heater output Operation Condition Heater is on as shown in following diagram of heating Heater on temperature. DIP-SW101-3 • Heater is off as shown in following diagram of heating temperature.
  • Page 54 • Outdoor temperature zone Outdoor temp. Heater only zone     B + 3.6°F (2°C): 46.4°F (8°C) B: 42.8°F (6°C)*   Combination zone   (Heat pump + Heater) A + 3.6°F (2°C): -0.4°F (-18°C) A: -4°F (-20°C)*   Heater only zone  ...
  • Page 55 ¢ Heating thermostat on for humidifier Indoor unit Function External output setting Situation Mode Rotary SW Heating Indoor unit fan Heating thermostat on operation thermostat on no. 60 status 60-05 CN47 Example of 60-06 Output3 individual Not used 60-07 Output2 connection 60-08 Output1...

  • Page 56: Function Settings

    NOTE: Incorrect settings can cause a product malfunction. 7-1. Function settings on indoor unit ¢ Models: AMUG24LMAS, AMUG30LMAS, AMUG36LMAS, and AMUG48LMAS By using some components on the PCB, you can change the function settings. Related components on the PCB and the applicable settings...

  • Page 57: Function Settings By Using Remote Controller

    7-2. Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting proce- dure and the content of each function setting, select appropriate functions for your installation envi- ronment. ¢ Setting procedure by using remote controller Remote controller is not attached for this product.
  • Page 58 2) Room temperature control for indoor unit sensor Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature of the room temperature sensor is corrected as follows: Corrected temp.
  • Page 59 3) Room temperature control for wired remote controller sensor Depending on the installed environment, correction of the wire remote temperature sensor may be required. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to Both “01”. Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
  • Page 60 6) Cold air prevention This setting is to disable the cold air prevention function during heating operation. When disabled, the fan setting will always follow the setting on the remote controller. (Excluding defrost mode) Function number Setting value Setting description Factory setting Enable ♦...
  • Page 61 10) Switching functions for external output terminal Functions of the external output terminal can be switched. For details, refer to “External input and output”. Function number Setting value Setting description Factory setting Operation status ♦ 01—04 Cooling thermostat On Heating operation Operation/Stop 07—08 Cooling thermostat On...
  • Page 62 12) Operating temperature switching of external heaters Sets the temperature conditions when the external heater is ON. For details, refer to “External heater output” in Chapter 6-4. "Details of function" on page 27. Setting description Setting value of function 61: Function Setting Factory...
  • Page 63 14) Outdoor temperature zone boundary temperature B Setting required if changing of the outdoor temperature setting for heat pump only zone is required when auxiliary heater control by outdoor temperature 1 is performed on the indoor unit. For details, refer to “External heater output” in Chapter 6-4. "Details of function"...
  • Page 64 18) Fan delay time Sets the fan delay time when the heater is turned off. Function number Setting value Setting description Factory setting 1 minute ♦ 50 seconds 40 seconds 30 seconds 19) External heater use in defrosting Enables or disables external heater use in defrosting. NOTE: Inappropriate heater selection may cause cold air in defrosting.

  • Page 65: Accessories

    Cable tie (large) Installation manual Cable tie (medium) (indoor unit) Rail Cable tie (small) Duct flanges Drain hose insulation Coupler heat insulation Drain cap (large) Coupler heat insulation Screw (small) - 61 - 8-1. Models: AMUG24LMAS, AMUG30LMAS, AMUG36LMAS, and AMUG48LMAS 8. Accessories...

  • Page 66: Optional Parts

    9. Optional parts 9-1. Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD Office Fri 10:00AM Mode Set Temp. Wired remote panel. Backlit LCD enables easy Cool 80°F Custom Auto Auto Heat 74°F UTY-RNRUZ* Cool 84°F Room Temp.

  • Page 67: Others

    Wireless LAN UTY-TFSXZ2 smartphones and tablets. adapter For connection indoor unit with UART interface. This converter can control Fujitsu Thermostat UTY-TTRX General products using a third-party converter thermostat controller. This converter is required when...
  • Page 68 - 64 - 9-2. Others 9. Optional parts...

  • Page 69: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOU24RGLX AOU30RGLX AOUG36LMAS1 AOUG48LMAS1...

  • Page 70: Specifications

    1. Specifications Type Inverter heat pump Model name AOU24RGLX AOU30RGLX Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V Starting current 11.5 Cooling 2,119 (3,600) Airflow rate CFM (m Heating 2,119 (3,600) Type ×...
  • Page 71 Type Inverter heat pump Model name AOUG36LMAS1 AOUG48LMAS1 Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V Starting current 20.1 Cooling 2,590 (4,400) Airflow rate CFM (m Heating 2,590 (4,400) Type × Q'ty Propeller ×...

  • Page 72: Dimensions

    2. Dimensions 2-1. Models: AOU24RGLX and AOU30RGLX Unit: in (mm) Top view 1-1/4 3(77) 35-7/16 (900) (12) 13 (330) (31) 15-3/4 (400) Front view Side view 25-5/8 (650) Airflow 5-3/4 (147) 6-3/4 (170) Bottom view - 68 - 2-1. Models: AOU24RGLX and AOU30RGLX 2.

  • Page 73: Models: Aoug36Lmas1 And Aoug48Lmas1

    2-2. Models: AOUG36LMAS1 and AOUG48LMAS1 Unit: in (mm) 6-9/16 (166) 25-9/16 (650) 6-1/16 (154) 1-7/16 (36) 38-3/16 (970) 14-9/16 (370) 9/16 (14) 1-4/16 (32) Treminal blocks 3-Way valve (Liquid) 3-Way valve (Gas) Ø7/8 (22.2)(Cable port) Ø7/8 (22.2)(Cable port) Ø7/8 (22.2)(Cable port) Ø7/8 (22.2)(Cable port) Ø1-1/8 (27.8)(Cable port) Ø1-1/8 (27.8)(Cable port)

  • Page 74: Installation Space

    3. Installation space 3-1. Models: AOU24RGLX and AOU30RGLX ¢ Space requirement Provide sufficient installation space for product safety.  Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
  • Page 75  Multiple outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the front only. 60 (1,500) or more 10 (250) 12 (300) or more or more When there are obstacles at the front and rear.
  • Page 76  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more 6 (150)

  • Page 77: Models: Aoug36Lmas1 And Aoug48Lmas1

    3-2. Models: AOUG36LMAS1 and AOUG48LMAS1 CAUTION • The installation space shown in the following examples is based on an ambient temperature un- der cooling operation of 95°FDB (35°CDB) at the air intake of the outdoor unit. Provide more space around the air intake than shown in the examples if the ambient tempera- ture exceeds 95°FDB (35°CDB) or if the thermal load of all of the outdoor units exceeds the ca- pacity.
  • Page 78 ¢ Space requirement Provide sufficient installation space for product safety.  Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
  • Page 79  Multiple outdoor unit installation NOTES: • Provide at least of space between the outdoor units if multiple units are installed. • When routing the piping from the side of an outdoor unit, provide space for the piping. • No more than 3 units must be installed side by side. When 3 units or more are arranged in a line, provide the space as shown in the following ex- ample when an obstruction is present also in the upward area.
  • Page 80  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2000) or more 119 (3000) or more 24 (600) or more 24 (600) or more 40 (1000) or more 60 (1500) or more NOTES:...

  • Page 81: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Models: AOU24RGLX and AOU30RGLX Heat exchanger 3-Way ( INDOOR ) valve Muffler 2-Way valve Pressure switch 4-Way valve Strainer Expansion valve Heat exchanger Strainer Pressure ( OUTDOOR ) check valve : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger Out temperature)

  • Page 82: Models: Aoug36Lmas1 And Aoug48Lmas1

    4-2. Models: AOUG36LMAS1 and AOUG48LMAS1 Indoor unit Outdoor unit Muffler Fusible plug Belt heater : Thermistor (Shell) : Check valve : Strainer : Thermistor (Discharge temperature thermistor) : Compressor (Inverter type) : Thermistor (Outdoor temperature) : Heat exchanger : Thermistor (Heat Exchanger Out temperature) : Accumulator : Thermistor (Room temperature) : High pressure sensor...

  • Page 83: Wiring Diagrams

    5. Wiring diagrams 5-1. Models: AOU24RGLX and AOU30RGLX - 79 - 5-1. Models: AOU24RGLX and AOU30RGLX 5. Wiring diagrams...

  • Page 84: Models: Aoug36Lmas1 And Aoug48Lmas1

    5-2. Models: AOUG36LMAS1 and AOUG48LMAS1 - 80 - 5-2. Models: AOUG36LMAS1 and AOUG48LMAS1 5. Wiring diagrams...

  • Page 85: Capacity Compensation Rate For Pipe Length And Height Difference

    6. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 6-1. Models: AOU24RGLX and AOU30RGLX NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 86: Models: Aoug36Lmas1 And Aoug48Lmas1

    6-2. Models: AOUG36LMAS1 and AOUG48LMAS1 NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length COOLING — — — — 0.885 0.842 0.800 0.754 0.711 — — — 0.937 0.895 0.852 0.810 0.770 0.728 Indoor unit is higher —...

  • Page 87: Additional Charge Calculation

    7. Additional charge calculation 7-1. Models: AOU24RGLX and AOU30RGLX Refrigerant type R410A lb oz 4 lb 10 oz Refrigerant amount 2,100 ¢ Refrigerant charge 66 or less 164 (Max.) Total pipe length 0.43 oz/ft 20 or less 50 (Max.) 14.1 28.2 42.3 (40 g/m)

  • Page 88: Airflow

    8. Airflow 8-1. Model: AOU24RGLX  Cooling 3,600 1,000 2,119  Heating 3,600 1,000 2,119 8-2. Model: AOU30RGLX  Cooling 3,600 1,000 2,119  Heating 3,600 1,000 2,119 8-3. Model: AOUG36LMAS1  Cooling 4,400 1,222 2,590  Heating 4,400 1,222 2,590 - 84 - 8-1.

  • Page 89: Model: Aoug48Lmas1

    8-4. Model: AOUG48LMAS1  Cooling 4,400 1,222 2,590  Heating 4,400 1,222 2,590 - 85 - 8-4. Model: AOUG48LMAS1 8. Airflow...

  • Page 90: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOU24RGLX  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 1,000...
  • Page 91 ¢ Model: AOUG36LMAS1  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 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz ¢...

  • Page 92: Sound Level Check Point

    9-2. Sound level check point Rear Microphone Microphone Airflow 40 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 88 - 9-2. Sound level check point 9.

  • Page 93: Electrical Characteristics

    10. Electrical characteristics Model name Item Unit AOU24RGLX AOU30RGLX Voltage 208/230 V~ Power supply Frequency MCA *1 20.8 Starting current 11.5 MAX. CKT. BKR * Power cable 16—14 Wiring spec. Size 20—16 Connection Limited wiring cable * ft (m) 167 (51) length Model name Item...

  • Page 94: Safety Devices

    11. Safety devices Model Type of protection Protection form AOU24RGLX AOU30RGLX Current fuse (Filter PCB) 250 V, 5 A × 2 Circuit protection Current fuse (Main PCB) 250 V, 3.15 A × 2 °F (150 °C) Activate Fan motor stop Fan motor protection Thermal protection °F (120 °C)

  • Page 95: Function Settings

    12. Function settings 12-1. Setting methods WARNING Never touch electrical components such as the terminal blocks or reactor except the switch on the display board. It may cause a serious accident such as electric shock. CAUTION • Once refrigerant charging is completed, be sure to open the valve prior to performing the local settings.
  • Page 96 ¢ Setting method 1. Be sure to disconnect the power supply or turn off the breaker. 2. Change the DIP switch setting according to the required setting. • Various settings can be adjusted by changing DIP switches and push switches on the board of the outdoor unit.
  • Page 97 ¢ Description of display LED display lamp Function or operation method • Turns on when the power supply is ON (Including when error occurs). (1) POWER/MODE Green • Indicate the MODE by the number of flashes when the installation function is active. (2) ERROR Flashes at high-speed when there is an error.

  • Page 98: 12-2.Outdoor Unit Low Noise Operation Function (Option)

    12-2. Outdoor unit low noise operation function (option) Change the outdoor unit low noise operation by using this setting. Optional Central remote con- troller is necessary to use this function. SET2-1 Setting Factory setting Lower ♦ CAUTION • When the low noise operation function is working, cooling and heating capacity will de- crease.

  • Page 99: Test

    13. Test 13-1. Test run CAUTION Always connect the power supply 12 hours prior to the start of the operation in order to protect the compressor. 1. Indoor unit a. Is the drain normal? b. Is there any abnormal noise and vibration during operation? 2.
  • Page 100 4. Confirm operating status. 5. Press "TEST RUN" switch for more than 3 seconds. POWER ERROR MONITOR MODE POWER/MODE LED will turn on, and test run stops. - 96 - 13-1. Test run 13. Test...

  • Page 101: 13-2.Error Code

    13-2. Error code If an error occurs, the LED will light up to display the error location and the error code. ¢ In the event of an error The error LED blink quickly. POWER ERROR MONITOR MODE blink (High-speed) ¢ Error location display LEDs A to F of MONITOR light up and display the error location.
  • Page 102 ¢ Error code display While the error is occurring, briefly press SW1. The error code is displayed. Example: Coil error (Error cord = 9A.1) POWER ERROR MONITOR MODE Blink [A(10)] (High-speed) (9-blink) Display mode LED on: LED off: Blink: (0.5s Light on / 0.5s Light off) Number of blinking: ( )
  • Page 103 Error code Error type 11.3 Serial communication error 11.4 Serial communication error during operation 16.5 Communication error between controller and outdoor unit 22.1 Indoor unit capacity error 5U.1 Indoor unit error 62.1 Outdoor unit PCB Model information error 62.3 EEPROM access error 62.8 EEPROM data corruption error 63.1...

  • Page 104: 13-3.Pump Down

    13-3. Pump down WARNING During the pump down operation, make sure that compressor is off before you remove the refriger- ant piping. Do not remove the connection pipe while the compressor is in operation with valve open. This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury.
  • Page 105 7. Disconnect the power supply or turn off the breaker. NOTE: If the pump down is not stopped by pressing the switch as in step 6, it will stop auto- matically after 15 minutes and the LED will light as follows. If the pump down is com- plete, disconnect the power supply or turn off the breaker.

  • Page 106: Accessories

    14. Accessories 14-1. Models: AOU24RGLX and AOU30RGLX Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Drain pipe 14-2. Models: AOUG36LMAS1 and AOUG48LMAS1 Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Drain pipe - 102 - 14-1.

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