Related Manuals for Fujitsu ASUG09LMAS
Summary of Contents for Fujitsu ASUG09LMAS
- Page 1 AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASUG09LMAS ASUG12LMAS OUTDOOR AOUG09LMAS1 AOUG12LMAS1 SR_AS023EF_05 2020.03.25...
- Page 2 • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Trademarks ™ FGLair is trademark of Fujitsu General Limited in the United States, other countries or both. ™ Google Play is trademark of Google Inc. ®...
- Page 3 CONTENTS 1. GENERAL INFORMATION 2. TECHNICAL DATA AND PARTS LIST 3. TROUBLESHOOTING 4. CONTROL AND FUNCTIONS 5. FILED WORKING...
- Page 5 1. GENERAL INFORMATION 2019.12.20 SR_CH01_AS023EF_01...
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Page 6: Table Of Contents
CONTENTS 1. GENERAL INFORMATION 1. Specifications....................01-1 1-1. Indoor unit ........................01-1 1-2. Outdoor unit........................01-3 2. Dimensions....................01-4 2-1. Indoor unit ........................01-4 2-2. Outdoor unit........................01-6... -
Page 7: Specifications
1. Specifications 1-1. Indoor unit Wall mounted Type Inverter heat pump Model name ASUG09LMAS ASUG12LMAS Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V 2.64 3.52 Rated Btu/h 9,000 12,000 Cooling 1.0—3.2 1.0—3.9... - Page 8 Wall mounted Type Inverter heat pump Model name ASUG09LMAS ASUG12LMAS NOTES: • Specifications are based on the following conditions: – Cooling: Indoor temperature of 80 °F (26.67 °CDB) /67 °FWB (19.44 °CWB), and outdoor temperature of 95 °FDB (35 °CDB) / 75 °FWB (23.9 °CWB).
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Page 9: Outdoor Unit
1-2. Outdoor unit Type Inverter heat pump Model name AOUG09LMAS1 AOUG12LMAS1 Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 187—253 V Starting current Cooling 954 (1,620) 1,065 (1,810) Airflow rate CFM (m Heating 954 (1,620) 1,065 (1,810) Type ×... -
Page 10: Dimensions
2. Dimensions 2-1. Indoor unit ¢ Models: ASUG09LMAS and ASUG12LMAS Unit: in (mm) 8-3/4 (222) 32-13/16 (834) 1/8 (3.0) (32-13/16 [834]) 12-7/8 (327) Outline of indoor unit 10-3/4 (273) 10-3/4 (273) 2-1/8 (54) 2-1/2 (63) 2-1/2 (63) 7-3/16 (182) 7-3/16 (182) - Page 11 ¢ Installation space requirement Provide sufficient installation space for product safety. Unit: in (mm) 3 (70) or more 2 (40) or more Wall hook bracket Outline of the indoor unit 5 (107) or more 8 (183) or more 60 (1,500) or more - (01-5) - 2-1.
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Page 12: Outdoor Unit
2-2. Outdoor unit ¢ Models: AOUG09LMAS1 and AOUG12LMAS1 Unit: in (mm) 4-M10 hole 22-13/16 (580) 4-5/16 (109) Pitch of bolts for installation Top view 3/4 (19) 31-7/16 (799) 2-11/16 (68) 1/2 (13) 11-7/16 (290) 1-5/16 (33) 1-3/16 (30) Side view Front view Side view Airflow... - Page 13 2. TECHNICAL DATA AND PARTS LIST 2020.01.28 SR_CH02_AS023EF_01...
- Page 14 CONTENTS 2. TECHNICAL DATA AND PARTS LIST 1. Precautions....................02-1 2. Indoor unit parts list..................02-2 2-1. Models: ASUG09LMAS and ASUG12LMAS ..............02-2 3. Outdoor unit parts list.................02-6 3-1. Models: AOUG09LMAS1 and AOUG12LMAS1 .............02-6 4. Accessories ....................02-10 4-1. Indoor unit ........................02-10 4-2. Outdoor unit........................02-10 5.
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Page 15: Precautions
• Service parts information and design are subject to change without notice for product improve- ment. • For the latest information of the service parts, refer to our Service Portal. https://fujitsu-general.force.com/portal/ • Precise figure of the service parts listed in this manual may differ from the actual service parts. - (02-1) -... -
Page 16: Indoor Unit Parts List
2. Indoor unit parts list 2-1. Models: ASUG09LMAS and ASUG12LMAS ¢ Exterior parts - (02-2) - 2-1. Models: ASUG09LMAS and ASUG12LMAS 2. Indoor unit parts list... - Page 17 9316177017 Drain cap ♦ 9316904002 Drain hose assy ♦ 9318912005 Remote controller holder ♦ 9332438772 Remote controller ♦ — Step motor holder — — Front panel — - (02-3) - 2-1. Models: ASUG09LMAS and ASUG12LMAS 2. Indoor unit parts list...
- Page 18 ¢ Base, evaporator, and control - (02-4) - 2-1. Models: ASUG09LMAS and ASUG12LMAS 2. Indoor unit parts list...
- Page 19 Box shield — — Control box — — PCB holder A — — Control cover — — Display case assy — — Motor case — — Motor cover - (02-5) - 2-1. Models: ASUG09LMAS and ASUG12LMAS 2. Indoor unit parts list...
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Page 20: Outdoor Unit Parts List
3. Outdoor unit parts list 3-1. Models: AOUG09LMAS1 and AOUG12LMAS1 ¢ Exterior parts and Chassis - (02-6) - 3-1. Models: AOUG09LMAS1 and AOUG12LMAS1 3. Outdoor unit parts list... - Page 21 Item no. Part no. Part name Service part 9322556028 Top panel assy ♦ 9377840004 Protective net ♦ 9322552259 Cabinet right assy ♦ 9384268006 Conduit cover ♦ 9322570055 Switch cover assy ♦ 9322138002 Thermistor holder ♦ 9709684030 Main PCB (For 09 model) ♦...
- Page 22 ¢ Compressor - (02-8) - 3-1. Models: AOUG09LMAS1 and AOUG12LMAS1 3. Outdoor unit parts list...
- Page 23 Item no. Part no. Part name Service part 9384354006 Compressor assy ♦ 9322444011 4-way valve assy ♦ 9970110160 Solenoid ♦ 9970173028 Expansion valve coil ♦ 9322463029 Pulse motor valve assy ♦ 9322474001 2-way valve assy ♦ 9322475008 3-way valve assy ♦...
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Page 24: Accessories
4. Accessories 4-1. Indoor unit ¢ Models: ASUG09LMAS and ASUG12LMAS Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Tapping screw (large) Installation manual Tapping screw (small) Wall hook bracket Cloth tape Remote controller Filter holder Remote controller Air cleaning filters... -
Page 25: Optional Parts
5. Optional parts 5-1. Indoor unit ¢ Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD panel. Backlit LCD enables easy operation in a dark room. Wire type: Non-polar 2-wire Optional communication kit is necessary for installation. NOTE: When this remote controller is connected, wireless remote controller cannot be... - Page 26 Exterior Part name Model name Summary Use to connect with external devices External input and air conditioner PCB. UTY-XCSXZ2 and output PCB Optional External connect kit is necessary for installation. Communication Use to connect Non-polar 2-core wired UTY-TWRXZ2 remote controller. Remotely manage an air conditioning Wireless LAN UTY-TFSXF1...
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Page 27: Refrigerant System Diagrams
6. Refrigerant system diagrams 6-1. Models: AOUG09LMAS1 and AOUG12LMAS1 Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler 4-way valve Strainer Expansion valve Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Room temperature) : Thermistor (Pipe temperature) - (02-13) -... -
Page 28: Wiring Diagrams
7. Wiring diagrams 7-1. Indoor unit ¢ Models: ASUG09LMAS and ASUG12LMAS - (02-14) - 7-1. Indoor unit 7. Wiring diagrams... -
Page 29: Outdoor Unit
7-2. Outdoor unit ¢ Models: AOUG09LMAS1 and AOUG12LMAS1 - (02-15) - 7-2. Outdoor unit 7. Wiring diagrams... - Page 30 8. PC board diagrams 8-1. Models: ASUG09LMAS and ASUG12LMAS CONTROL UNIT ASUG09LMAS : EZ-0190HHSE ASUG12LMAS : EZ-0190KHSE 2-WIRE REMOTE CONTROL UNIT ( OPTION ) UTY-TWRXZ2 UL1007 AWG22 REMOTE CN301 CN300 UL1007 AWG22 WHITE CONTROLLER UL1061 AWG26 B07B-PASK-1 CN13 B03B-XNISK-A-1 ( 2-WIRE )
- Page 31 8-2. Models: AOUG09LMAS1 and AOUG12LMAS1 INVERTER ASSEMBLY AOUG09LMAS1 : EZ-01911HUE AOUG12LMAS1 : EZ-01912HUE EMI FILTER TR-28-16-13 3 TURNS REACTOR UL3271 AWG16 COMPRESSOR W400 13mH 8A Winding Resistance DC Resistance 415.90 m ( 25 UL3271 AWG16 W401 WHITE WHITE EMI FILTER EMI FILTER UL3271 AWG16 1.975...
- Page 32 - (02-18) - 8-2. Models: AOUG09LMAS1 and AOUG12LMAS1 8. PC board diagrams...
- Page 33 3. TROUBLESHOOTING 2020.01.30 SR_CH03_AS023EF_02...
- Page 34 CONTENTS 3. TROUBLESHOOTING 1. Error code ....................03-1 1-1. Error code table (Indoor unit and wired remote controller)..........03-1 2. Troubleshooting with error code ...............03-2 2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit).....03-2 2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit) ....03-4 2-3.
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Page 35: Error Code
1. Error code 1-1. Error code table (Indoor unit and wired remote controller) The operation, timer, and economy indicators operate according to the error contents. For confirmation of the error contents, refer the flashing pattern as follows. Indoor unit display Wired remote Error contents... -
Page 36: Troubleshooting With Error Code
2. Troubleshooting with error code 2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit) Operation indicator 1 time flash Timer indicator 1 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 11 Main PCB When the indoor unit cannot receive the serial signal from outdoor unit more than 2 minutes after power on, Detective actuator... - Page 37 Check point 4. Check serial signal (Reverse transfer signal) Check serial signal (Reverse transfer signal) BLACK WHITE BLACK WHITE • Check if indicated value swings between AC 90 V and AC 270 V at the outdoor unit terminal 1 —3. •...
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Page 38: E: 11. Serial Communication Error (Serial Forward Transfer Error) (Indoor Unit)
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit) Operation indicator 1 time flash Timer indicator 1 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 11 Main PCB When the outdoor unit cannot receive the serial signal Detective actuator Indoor unit from indoor unit more than 10 seconds. - Page 39 Check point 4. Check serial signal (reverse transfer signal) Check serial signal (Forward transfer signal) BLACK WHITE BLACK WHITE • Check if indicated value swings between AC 30 V and AC 130 V at outdoor unit terminal 2—3. • If it is abnormal, replace main PCB. •...
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Page 40: E: 12. Wired Remote Controller Communication Error (Indoor Unit)
2-3. E: 12. Wired remote controller communication error (Indoor unit) Operation indicator 1 time flash Timer indicator 2 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 12 Indoor unit Main PCB When the indoor unit cannot receive the signal from Detective actuator Wired remote controller more than 1 minute during Wired remote control... -
Page 41: E: 18. External Communication Error (Indoor Unit)
2-4. E: 18. External communication error (Indoor unit) Operation indicator 1 time flash Timer indicator 8 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 18 External After receiving a signal from the external input and Detective actuator Indoor unit communication output PCB, the same signal has not been received for... -
Page 42: E: 32. Indoor Unit Main Pcb Error (Indoor Unit)
2-5. E: 32. Indoor unit main PCB error (Indoor unit) Operation indicator 3 time flash Timer indicator 2 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 32 When power is on and there is some below case. Detective actuator Indoor unit main PCB... -
Page 43: E: 35. Manual Auto Button Error (Indoor Unit)
2-6. E: 35. MANUAL AUTO button error (Indoor unit) Operation indicator 3 time flash Timer indicator 5 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 35 Indoor unit controller PCB When the MANUAL AUTO button becomes on for Detective actuator Indicator PCB consecutive 30 or more seconds. -
Page 44: E: 41. Room Temperature Sensor Error (Indoor Unit)
2-7. E: 41. Room temperature sensor error (Indoor unit) Operation indicator 4 time flash Timer indicator 1 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 41 Indoor unit main PCB Room temperature thermistor is open or short is Detective actuator detected always. -
Page 45: E: 42. Indoor Unit Heat Exchanger Sensor Error (Indoor Unit)
2-8. E: 42. Indoor unit heat exchanger sensor error (Indoor unit) Operation indicator 4 time flash Timer indicator 2 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 42 Indoor unit main PCB When heat exchanger temperature thermistor open or Detective actuator Heat exchanger temperature short circuit is detected. -
Page 46: E: 51. Indoor Unit Fan Motor Error (Indoor Unit)
2-9. E: 51. Indoor unit fan motor error (Indoor unit) Operation indicator 5 time flash Timer indicator 1 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 51 main PCB When the condition that actual frequency of indoor fan is Detective actuator Indoor unit below 1/3 of target frequency is continued more than 56... -
Page 47: E: 62. Outdoor Unit Main Pcb Error (Outdoor Unit)
2-10. E: 62. Outdoor unit main PCB error (Outdoor unit) Operation indicator 6 time flash Timer indicator 2 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 62 Access to EEPROM failed due to some cause after Detective actuator Outdoor unit Main PCB... -
Page 48: E: 64. Pfc Circuit Error (Outdoor Unit)
2-11. E: 64. PFC circuit error (Outdoor unit) Operation indicator 6 time flash Timer indicator 4 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 64 • When inverter input DC voltage is higher than 415 V for over 3 seconds, the compressor stops. Detective actuator Outdoor unit Main PCB... -
Page 49: E: 71. Discharge Thermistor Error (Outdoor Unit)
2-12. E: 71. Discharge thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 1 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 71 Outdoor unit main PCB When discharge pipe temperature thermistor open or Detective actuator short circuit is detected at power on or while running the Discharge pipe temperature... -
Page 50: E: 73. Outdoor Unit Heat Exchanger Thermistor Error (Outdoor Unit)
2-13. E: 73. Outdoor unit heat exchanger thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 3 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 73 Outdoor unit main PCB When heat exchanger temperature thermistor open or Detective actuator short circuit is detected at power on or while running the Heat exchanger temperature... -
Page 51: E: 74. Outdoor Temperature Thermistor Error (Outdoor Unit)
2-14. E: 74. Outdoor temperature thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 4 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 74 Outdoor unit main PCB When outdoor temperature thermistor open or short Detective actuator circuit is detected at power on or while running the Outdoor temperature thermistor... -
Page 52: E: 84. Current Sensor Error (Outdoor Unit)
2-15. E: 84. Current sensor error (Outdoor unit) Operation indicator 8 time flash Timer indicator 4 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 84 When input current sensor has detected 0 A, while inverter compressor is operating at higher than 56 rps, Detective actuator Outdoor unit main PCB... -
Page 53: E: 94. Trip Detection (Outdoor Unit)
2-16. E: 94. Trip detection (Outdoor unit) Operation indicator 9 time flash Timer indicator 4 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 94 Main PCB Protection stop by over-current generation after inverter compressor start processing completed generated consecutively 10 times. -
Page 54: E: 95. Compressor Motor Control Error (Outdoor Unit)
2-17. E: 95. Compressor motor control error (Outdoor unit) Operation indicator 9 time flash Timer indicator 5 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 95 Main PCB 1. When running the compressor, if the detected rotor location is out of phase with actual rotor location more than 90°, the compressor stops. -
Page 55: E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)
2-18. E: 97. Outdoor unit fan motor error (Outdoor unit) Operation indicator 9 time flash Timer indicator 7 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 97 Main PCB 1. When outdoor fan rotation speed is less than 100 rpm in 20 seconds after fan motor starts, fan motor stops. - Page 56 Check point 4. Check output voltage of main PCB Check outdoor unit circuit diagram and the voltage. (Measure at main PCB side con- nector) FAN MOTOR BLACK WHITE YELLOW BROWN NOTE: For details of wiring diagram, refer to "Wiring diagrams" in Chapter 2.
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Page 57: E: 99. 4-Way Valve Error (Outdoor Unit)
2-19. E: 99. 4-way valve error (Outdoor unit) Operation indicator 9 time flash Timer indicator 9 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 99 Indoor unit main PCB When the indoor heat exchanger temperature is compared with the room temperature, and either Heat exchanger temperature following condition is detected continuously two times,... - Page 58 Check point 3. Check the solenoid coil and 4-way valve • Solenoid coil Remove CN501 from PCB and check the resistance value of coil. Resistance value is 1.22 kΩ — 1.49 kΩ (at 68 °F (20 °C)). → If it is open or abnormal resistance value, replace solenoid coil. •...
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Page 59: E: A1. Discharge Temperature Error (Outdoor Unit)
2-20. E: A1. Discharge temperature error (Outdoor unit) Operation indicator 10 time flash Timer indicator 1 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: A1 Outdoor unit main PCB Protection stop by discharge temperature ≥ 230 °F Detective actuator (110 °C) during compressor operation generated 2 times Discharge temperature thermistor... - Page 60 Check point 5. Check the refrigerant amount Check the refrigerant leakage. ↓ Check point 6. Replace main PCB If check point 1 to 5 do not improve the symptom, replace the main PCB. ↓ - (03-26) - 2-20. E: A1. Discharge temperature error (Outdoor unit) 2.
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Page 61: Troubleshooting Without Error Code
3. Troubleshooting without error code 3-1. Indoor unit—No power Power supply failure Forecast of cause External cause Electrical components defective Check point 1. Check installation condition • Isn’t the breaker down? • Check loose or removed connection cable. -> If abnormal condition is found, correct it by referring to the installation manual or the “DESIGN & TECHNICAL MANUAL”. -
Page 62: Outdoor Unit-No Power
3-2. Outdoor unit—No power Power supply failure Forecast of cause External cause Electrical components defective Check point 1. Check installation condition • Isn’t the breaker down? • Check loose or removed connection cable. → If abnormal condition is found, correct it by referring to the installation manual or the “DESIGN & TECHNICAL MANUAL”. -
Page 63: No Operation (Power Is On)
3-3. No operation (Power is on) Setting/ Connection failure Forecast of cause External cause Electrical components defective Check point 1. Check indoor and outdoor installation condition • Indoor unit: – Check incorrect wiring between indoor unit and remote controller. – Check if there is an open cable connection. -
Page 64: No Cooling/No Heating
3-4. No cooling/No heating Indoor unit error Outdoor unit error Forecast of cause Effect by surrounding environment Connection pipe/Connection wire failure Refrigeration cycle failure Check point 1. Check Indoor unit • Does Indoor unit fan run in the HIGH mode? •... - Page 65 NOTES: • Strainer normally does not have temperature difference between inlet and outlet as shown be- low. Pipe (In) Pipe (Out) • If there is a difference like shown below, there is a possibility of inside clogged. In this case, re- place the strainer.
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Page 66: Abnormal Noise
3-5. Abnormal noise Abnormal installation (indoor unit/outdoor unit) Forecast of cause Fan failure (indoor unit/outdoor unit) Compressor failure (outdoor) Diagnosis method when abnormal noise is occurred Abnormal noise is coming from Indoor unit. Abnormal noise is coming from Indoor unit. (Check and correct followings) (Check and correct followings) ↓... -
Page 67: Water Leaking
3-6. Water leaking Erroneous installation Forecast of cause Drain hose failure Diagnosis method when water is spitting Diagnosis method when water leak occurs • Is main unit installed in stable condi- tion? Is the filter clogged? • Is main unit broken or deformed at the time of transportation or maintenance? ↓... -
Page 68: Service Parts Information
4. Service parts information 4-1. Compressor Diagnosis method of compressor (If outdoor unit LED displays error, refer to troubleshooting) Does not start up Stops soon after starting up Abnormal noise ↓ ↓ ↓ Check if vibration noise by Is there open or loose con- Is there open or loose con- loose bolt or contact noise of nection cable? -
Page 69: Inverter Compressor
4-2. Inverter compressor Check point 1. Check connection • Check terminal connection of compressor (loose or incorrect wiring) C (W) S(V) (BLACK) (WHITE) Main PCB R(U) (RED) • Check terminal connection of main PCB (loose or incorrect wiring) Main PCB W400(U) W401(V) W402(W) BLACK... -
Page 70: Outdoor Unit Electronic Expansion Valve (Eev)
4-3. Outdoor unit Electronic Expansion Valve (EEV) Check point 1. Check connections Check connection of connector. (Loose connector or open cable) NOTE: For details of wiring diagram, refer to "Wiring diagrams" in Chapter 2. TECHNICAL DATA AND PARTS LIST on page 02-14. Check point 2. - Page 71 Check point 6. Check strainer • Strainer normally does not have temperature difference between inlet and outlet as shown be- low. Pipe (In) Pipe (Out) • If there is a difference like shown below, there is a possibility of inside clogged. In this case, replace the strainer.
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Page 72: Indoor Unit Fan Motor
4-4. Indoor unit fan motor Check point 1. Check rotation of fan Rotate the fan by hand when operation is off. (Check if fan is caught, dropped off or locked motor) → If fan or bearing is abnormal, replace it. Check point 2. -
Page 73: Outdoor Unit Fan Motor
4-5. Outdoor unit fan motor Check point 1. Check rotation of fan Rotate the fan by hand when operation is off. (Check if fan is caught, dropped off or locked motor) → If fan or bearing is abnormal, replace it. Check point 2. -
Page 74: Thermistor Resistance Values
5. Thermistor resistance values 5-1. Indoor unit ¢ Room temperature thermistor Temperature °F (°C) Resistance (kΩ) Voltage (V) 14.0 (-10.0) 58.25 0.73 23.0 (-5.0) 44.03 0.93 32.0 (0.0) 33.62 1.15 41.0 (5.0) 25.93 1.39 50.0 (10.0) 20.18 1.66 59.0 (15.0) 15.84 1.94 68.0 (20.0) -
Page 75: Outdoor Unit
5-2. Outdoor unit ¢ Discharge temperature thermistor Temperature °F (°C) Resistance (kΩ) Voltage (V) -22.0 (-30.0) 1,013.11 0.06 -12.0 (-25.0) 729.09 0.09 -4.0 (-20.0) 531.56 0.12 5.0 (-15.0) 392.31 0.16 14.0 (-10.0) 292.91 0.21 23.0 (-5.0) 221.09 0.28 32.0 (0.0) 168.60 0.36 41.0 (5.0) - Page 76 ¢ Heat exchanger temperature thermistor Temperature °F (°C) Resistance (kΩ) Voltage (V) -22.0 (-30.0) 95.58 0.24 -12.0 (-25.0) 68.90 0.32 -4.0 (-20.0) 50.31 0.43 5.0 (-15.0) 37.19 0.57 14.0 (-10.0) 27.81 0.73 23.0 (-5.0) 21.02 0.92 32.0 (0.0) 16.05 1.14 41.0 (5.0) 12.38 1.39...
- Page 77 4. CONTROL AND FUNCTIONS 2020.03.25 SR_CH04_AS023EF_02...
- Page 78 CONTENTS 4. CONTROL AND FUNCTIONS 1. Compressor frequency control..............04-1 1-1. Cooling operation ......................04-1 1-2. Heating operation ......................04-2 1-3. Dry operation ........................04-3 1-4. Compressor frequency at normal start-up ..............04-3 1-5. Compressor frequency limitation by outdoor temperature ..........04-4 2. Auto changeover operation................04-5 3.
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Page 79: Compressor Frequency Control
• Compressor frequency range Model name Minimum frequency Maximum frequency ASUG09LMAS 12 rps 67 rps ASUG12LMAS 12 rps 89 rps •... -
Page 80: Heating Operation
• Compressor frequency range Unit: rps Model name Minimum frequency Maximum frequency ASUG09LMAS ASUG12LMAS • Limit of maximum speed based on outdoor temperature In heating operation, maximum frequency is defined by outdoor temperature and fan mode. Outdoor temperature rises... -
Page 81: Dry Operation
Zone is defined by set temperature and room temperature. • Compressor frequency range Unit: rps Model name Outdoor temperature zone Operating frequency X zone ASUG09LMAS J zone ASUG12LMAS Y zone • Compressor control based on room temperature Room temperature rises Room temperature drops X zone Ts+1.5°C... -
Page 82: Compressor Frequency Limitation By Outdoor Temperature
1-5. Compressor frequency limitation by outdoor temperature The minimum compressor frequency is limited by outdoor temperature as below. • Cooling/Dry mode F zone 38°C E zone 19°C D zone 10°C C zone 0°C B zone -10°C A zone Limitation of compressor Model name Outdoor temperature zone frequency... -
Page 83: Auto Changeover Operation
2. Auto changeover operation When the air conditioner is set to AUTO mode by remote controller, operation starts in the optimum mode from among heating, cooling, dry and monitoring modes. During operation, the optimum mode is automatically switched in accordance with temperature changes. The temperature can be set be- tween 18°C and 30°C in 1.0°C steps. - Page 84 Operation flow chart Start Ts: Setting temperarure Monitor mode Room temp. > Ts+2°C? Room temp. < Ts-2°C? Middle zone Auto change over is second or more? Operation mode before the monitor mode is cooling mode? Operation mode of Heating operation Cooling operation outdoor unit: Cooling? Thermostat remains...
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Page 85: Fan Control
3. Fan control Tr: Room temperature Ts: Setting temperature 3-1. Indoor fan control ¢ Fan speed Indoor fan speed is defined as below. Speed (rpm) Operation mode Fan mode ASUG09LMAS ASUG12LMAS POWERFUL 1,290 HIGH 1,220 MED+ 1,140 1,060 Heating QUIET... - Page 86 ¢ Cooling operation Switch the airflow AUTO, and indoor fan motor will run according to room temperature, as below. On the other hand, if switched in HIGH—QUIET, indoor motor will run at a constant airflow of COOL operation modes QUIET, LOW, MED, HIGH as shown in “Fan speed” above. Airflow change over (Cooling: Auto) Tr - Ts ≥...
- Page 87 ¢ Cool air prevention control (heating mode) The maximum value of the indoor fan speed is set as shown below, based on the detected tempera- ture by the indoor heat exchanger sensor on heating mode. • Normal operation Indoor heat exchanger temperature rises Indoor heat exchanger HIGH...
- Page 88 • Powerful operation Indoor heat exchanger temperature rises Indoor heat exchanger POWERFUL temperature drops 42°C 37°C HIGH 39°C 34°C 37°C 32°C Cool air prevention 30°C 28°C S-LOW 7 minutes later: Indoor heat exchanger temperature rises Indoor heat exchanger POWERFUL temperature drops 42°C 37°C HIGH...
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Page 89: Outdoor Fan Control
3-2. Outdoor fan control ¢ Outdoor fan motor This outdoor unit has a DC fan motor. (Control method is different between AC and DC motors.) ¢ Fan speed Model: AOUG09LMAS1 Fan speed is defined by outdoor temperature and compressor frequency. •... - Page 90 Model: AOUG12LMAS1 Fan speed is defined by outdoor temperature and compressor frequency. • Outside air temperature zone selection Outside air Outside air temperature rises temperature drops Y zone 21°C 19°C Z zone 12°C 10°C F zone 2°C 0°C G zone Unit: rpm Cooling Cooling or dry...
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Page 91: Louver Control
4. Louver control 4-1. Vertical airflow direction louver control Each time the button is pressed, the air direction range will change as below: Side view • Remote controller display is not changed. • Vertical airflow direction is set automatically as shown, in accordance with the type of operation selected. -
Page 92: Timer Operation Control
5. Timer operation control 5-1. Wireless remote control On/Off timer Program timer Sleep timer Weekly timer ○ ○ ○ ○ ¢ On/Off timer • Off timer: When the clock reaches the set timer, the air conditioner will be turned off. Operation mode Stop mode Set time of timer... - Page 93 ¢ Sleep timer If the sleep timer is set, the room temperature is monitored and the operation is stopped auto- matically. If the operation mode or the set temperature is change after the sleep timer is set, the operation is continued according to the changed setting of the sleep timer from that time on. •...
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Page 94: Wired Remote Control
5-2. Wired remote control Temperature set On/Off timer Program timer Sleep timer Weekly timer back timer ○ ○ ○ ○ ○ ¢ On/Off timer • Off timer: When the clock reaches the set timer, the air conditioner will be turned off. Operation mode Stop mode Set time of timer... - Page 95 ¢ Sleep timer If the sleep timer is set, the room temperature is monitored and the operation is stopped auto- matically. If the operation mode or the set temperature is change after the sleep timer is set, the operation is continued according to the changed setting of the sleep timer from that time on. •...
- Page 96 ¢ Temperature set back timer • The SET BACK timer only changes the set temperature for 7 days, it cannot be used to start or stop air conditioner operation. • The SET BACK timer can be set to operate up to two times per day but only one temperature setting can be used.
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Page 97: Defrost Operation Control
6. Defrost operation control Tn: Outdoor unit heat exchanger temperature Ta: Outdoor temperature Tn10: Temperature at 10 minutes after compressor start Tnb: Temperature before 5 minutes Triggering condition • The defrost operation starts when outdoor unit heat exchanger temperature sensor detects the temperature lower than the values shown below. -
Page 98: Defrost Operation In Heating Operation Stopped
6-1. Defrost operation in heating operation stopped If the outdoor unit is frosted when stopping the heating operation, it stops after performing the auto- matic defrosting operation. In this time, if the indoor unit operation lamp flashes slowly (6 sec on/2 sec off), the outdoor unit al- low the heat exchanger to defrost, and then stop. -
Page 99: Various Control
7. Various control 7-1. Auto restart When the power was interrupted by a power failure etc. during operation, the operation contents at that time are memorized and when the power is recovered, operation is automatically started with the memorized operation contents. Operation contents memorized when the power is interrupted Operation mode Setting temperature... -
Page 100: Forced Cooling Operation
7-3. Forced cooling operation The outdoor unit may not operate depending on the room temperature. When FORCED COOLING OPERATION button is pressed more than 10 seconds, forced cooling operation starts as shown in the table below. Operation mode Cooling Fan mode HIGH Timer mode Continuous (no timer setting available) -
Page 101: Economy Operation
7-5. ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller. The ECONOMY operation is almost the same operation as below settings. Mode Cooling/Dry Heating Target temperature Setting temperature +1°C Setting temperature -1°C 7-6. POWERFUL operation The POWERFUL operation starts by pressing POWERFUL button on the remote controller. -
Page 102: Electronic Expansion Valve Control
7-8. Electronic expansion valve control The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the table below. Operation mode Pulse range Cooling/dry mode Between 52 and 480 pulses Heating mode NOTE: At the time of supplying the power to the outdoor unit, the initialization of the electronic ex- pansion valve is operated (528 pulses are input to the closing direction). -
Page 103: Various Protections
8. Various protections 8-1. Discharge gas temperature over-rise prevention control The discharge gas temperature sensor (discharge thermistor: outdoor unit side) detects the dis- charge gas temperature. • When the discharge temperature becomes higher than the trigger condition, the compressor fre- quency is decreased as the table below, and it continues to decrease until the discharge tempera- ture becomes lower than the trigger condition. -
Page 104: Current Release Control
8-3. Current release control The compressor frequency is controlled so that the outdoor unit input current does not exceeds cur- rent limit value set according to the outdoor temperature. The compressor frequency returns according to the operation mode, when the current becomes low- er than the release value. -
Page 105: High Temperature And High Pressure Release Control
8-6. High temperature and high pressure release control The compressor is controlled as follows. ¢ Models: AOUG09LMAS1 and AOUG12LMAS1 Indoor unit heat exchanger Indoor unit heat exchanger temperature rises temperature drops 63°C Zone A 55°C 53°C Zone B 50°C Zone C Zone D Stable zone Zone E... - Page 106 - (04-28) - 8-6. High temperature and high pressure release control 8. Various protections...
- Page 107 5. FILED WORKING 2020.02.03 SR_CH05_AS023EF_01...
- Page 108 CONTENTS 5. FILED WORKING 1. Function settings ..................05-1 1-1. Function settings by using remote controller ..............05-1 1-2. Custom code setting for wireless remote controller ............05-9 2. External input and output.................05-10 2-1. External input........................05-11 2-2. External output ......................05-12 2-3. Combination of external input and output ..............05-13 2-4.
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Page 109: Function Settings
1. Function settings To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 1-1. 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. - Page 110 NOTES: • The air conditioner custom code is set to prior to shipment. • If you do not know the air conditioner custom code setting, try each of the custom codes ( → → → ) until you find the code that operates the air conditioner. - (05-2) - 1-1.
- Page 111 ¢ Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected. Function setting list Function no. Functions Remote controller address setting Filter sign...
- Page 112 2) Filter sign Select appropriate intervals for displaying the filter sign on the indoor unit according to the estimated amount of dust in the air of the room. If the indication is not required, select "No indication" (03). Function number Setting value Setting description Factory setting...
- Page 113 4) Room temperature control for wired remote controller sensor NOTE: Before performing this setting, refer to Function 95. 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”.
- Page 114 7) Remote controller custom code (Only for wireless remote controller) The indoor unit custom code can be changed. Select the appropriate custom code. Function number Setting value Setting description Factory setting ♦ 8) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
- Page 115 11) Control switching of external heaters Sets the control method for external heater to be used. For details, refer to "External heater output" on page 05-19. Function Factory Setting value Setting description number setting Auxiliary heater control 1 ♦ Auxiliary heater control 2 Heat pump prohibition control Auxiliary heater control by outdoor temperature 1 Auxiliary heater control by outdoor temperature 2...
- Page 116 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"...
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Page 117: Custom Code Setting For Wireless Remote Controller
1-2. Custom code setting for wireless remote controller To interconnect the air conditioner and the wireless remote controller, assignment of the custom code for the wireless remote controller is required. NOTE: Air conditioner cannot receive a signal if the air conditioner has not been set for the custom code. -
Page 118: External Input And Output
2. External input and output External input and output PCB SW301 SW302 Rotary switch CN314 CN313 CN312 CN311 CN310 CN308 To CN6 on Indoor unit PCB External input External output Connector Input select Input signal Operation/Stop CN313/ Edge/Pulse Dry contact/ CN314 Forced stop —... -
Page 119: External Input
2-1. External input With using external input function, some functions on this product can be controlled from an external device. • “Operation/Stop” mode or "Forced stop" mode can be selected with function setting of indoor unit. • A twisted pair cable (22AWG) should be used. Maximum length of cable is 492 ft (150 m). •... -
Page 120: External Output
2-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. ¢ External input and output PCB • A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m). •... -
Page 121: Combination Of External Input And Output
2-3. Combination of external input and output By combining the function setting of the 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 and output PCB... -
Page 122: Details Of Function
2-4. Details of function ¢ Control input function • When function setting is “Operation/Stop” mode 1 – In the case of “Edge” input: Function Rotary SW on External External input Input signal Command setting input and output PCB Off → On Operation External input and 46-00... - Page 123 • When function setting is “Forced stop” mode – In the case of “Edge” input: Function Rotary SW on External External input Input signal Command setting input and output PCB Off → On Forced stop External input and 46-02 CN313 output PCB On →...
- Page 124 • When function setting is “Operation/Stop” mode 2 – In the case of “Edge” input: Function Rotary SW on External External input Input signal Command setting input and output PCB Off → On Operation External input and 46-03 CN313 Stop (R.C. output PCB On →...
- Page 125 • Forced thermostat off function Rotary SW on External External input Input signal Command input and output PCB Off → On Thermostat off External input and output PCB CN313 On → Off Normal operation Input Compressor Room temp. Set temp. - (05-17) - 2-4.
- Page 126 ¢ Control output function • Operation/Stop status Rotary SW on External Output External output Command input and output PCB signal Off → On Operation External input and output PCB CN310 On → Off Stop The output is low when the unit is stopped. Operation Indoor unit Stop...
- Page 127 • External heater output Rotary SW on External Output External output Command input and output PCB signal Off → On Heater on External input and output PCB CN312 On → Off Heater off - (05-19) - 2-4. Details of function 2.
- Page 128 • Design and install external heater appropriately with considering its protection. • 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. - (05-20) - 2-4.
- Page 129 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 130 Heat pump prohibition control Perform heating by external heater only. Indoor unit is continuous thermostat off. 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. •...
- Page 131 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 on Heater is on as shown in following diagram of heating temperature.
- Page 132 • 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 * 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 133 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 134 • 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 * 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.