Page 1 AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASGH36KMTA-R OUTDOOR AOGH36KMTA-R SR_AS122EG_02 2023.09.26...
Page 2 • 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. “AIRSTAGE Mobile” is a trademark of FUJITSU GENERAL LIMITED. Android and Google Play are trademarks of Google LLC.
Page 3: General Information
CONTENTS 1. GENERAL INFORMATION 2. TECHNICAL DATA AND PARTS LIST 3. TROUBLESHOOTING 4. CONTROL AND FUNCTIONS 5. FILED WORKING...
Page 5 1. GENERAL INFORMATION 2023.09.01 SR_CH01_AS121EG_01...
Page 6 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........................01-7...
Page 7 1. Specifications 1-1. Indoor unit Wall mounted Type Inverter, Heat pump Model name ASGH36KMTA-R Power supply intake Outdoor unit Voltage System power supply Frequency Available voltage range 198—264 Indoor unit power supply (from outdoor unit) Cooling (T1 condition) Voltage k→ 10.55 Rated Btu/h...
Page 8 Wall mounted Type Inverter, Heat pump Model name ASGH36KMTA-R Material Polypropylene + High-density polyethylene Drain hose Tip diameter Ø13.8 (I.D.), Ø15.0 to Ø16.8 (O.D.) °C 18 to 32 Cooling Operation range 80 or less Heating °C 16 to 30 Remote controller type ™...
Page 9: Outdoor Unit
1-2. Outdoor unit Type Inverter, Heat pump Model name AOGH36KMTA-R Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current 12.8 Cooling 5,510 Airflow rate Heating 6,160 Type × Qty Propeller fan × 2 Motor output →...
Page 10 2. Dimensions 2-1. Indoor unit ¢ Model: ASGH36KMTA-R Unit: mm 1,150 1,150 Outline of unit - (01-4) - 2-1. Indoor unit 2. Dimensions...
Page 11: Installation Space Requirement
 Installation space requirement Provide sufficient installation space for product safety. Unit: mm Outline of unit 49 or more 50 or more 70 or more 140 or more 1,500 or more - (01-5) - 2-1. Indoor unit 2. Dimensions...
Page 12 ¢ Pipe exit length from the rear Design the system considering the length of the pipes or hose exiting from the rear of the indoor unit. NOTE: Detailed shapes of the indoor unit and the tip of each pipe or hose may vary depending on the model.
Page 13 2-2. Outdoor unit ¢ Model: AOGH36KMTA-R Unit: mm Top view 3-way valve (Liquid) 3-way valve (Gas) Ø28 Ø28 (Cable port) (Cable port) Ø28 Ø28 (Cable port) (Cable port) Pipe port Pipe port Pipe port Ø28 (Cable port) Ø28 (Cable port) Front view Side view Rear view...
Page 14 - (01-8) - 2-2. Outdoor unit 2. Dimensions...
Page 15 2. TECHNICAL DATA AND PARTS LIST 2023.09.01 SR_CH02_AS121EG_01...
Page 16 CONTENTS 2. TECHNICAL DATA AND PARTS LIST 1. Precautions....................02-1 2. Indoor unit parts list..................02-2 2-1. Model: ASGH36KMTA-R....................02-2 3. Outdoor unit parts list.................02-6 3-1. Model: AOGH36KMTA-R ....................02-6 4. Accessories ....................02-10 4-1. Indoor unit ........................02-10 4-2. Outdoor unit........................02-11 5. Optional parts ...................02-12 5-1.
Page 17 • 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 18: Exterior Parts
2. Indoor unit parts list 2-1. Model: ASGH36KMTA-R ¢ Exterior parts - (02-2) - 2-1. Model: ASGH36KMTA-R 2. Indoor unit parts list...
Page 19 Item no. Part no. Part name Service part 9386990004 Bracket panel ♦ 9387060034 Casing assy ♦ 9388540009 Drain hose assy ♦ 9386961004 Casing ♦ 9316177017 Drain cap ♦ 9318743012 Pipe bracket ♦ 9387063004 Link holder assy ♦ 9900139186 Stepping motor ♦...
Page 20 ¢ Evaporator and control unit - (02-4) - 2-1. Model: ASGH36KMTA-R 2. Indoor unit parts list...
Page 21 Item no. Part no. Part name Service part 9711732712 Main PCB (18 model) ♦ 9711732170 Main PCB (24 model) ♦ 9711732736 Main PCB (30 model) ♦ 9711732910 Main PCB (36 model) ♦ 9901013010 Terminal 3P ♦ 9711146090 Display assy ♦ 9711147035 Indicator PCB ♦...
Page 22 3. Outdoor unit parts list 3-1. Model: AOGH36KMTA-R ¢ Exterior parts and Chassis - (02-6) - 3-1. Model: AOGH36KMTA-R 3. Outdoor unit parts list...
Page 23 Item no. Part no. Part name Service part 9383880018 Top panel sub assy ♦ 9383860188 Heat exchanger unit ♦ 9384202000 Protective net (Rear) ♦ 9375361013 Net rubber ♦ 9900984021 Thermistor (Heat exchanger temp.) ♦ 9900565046 Thermistor (Outdoor temp.) ♦ 9383607004 Thermistor holder ♦...
Page 24 ¢ Compressor - (02-8) - 3-1. Model: AOGH36KMTA-R 3. Outdoor unit parts list...
Page 25 Item no. Part no. Part name Service part 9380416036 Joint pipe D ♦ 9970209000 Expansion valve coil ♦ 9370947342 Expansion valve assy ♦ 9900186029 Pressure switch ♦ 9374425693 4-way valve assy ♦ 9970194016 Solenoid ♦ 9970158018 Pressure sensor ♦ 9388312002 Accumulator assy ♦...
Page 26 4. Accessories 4-1. Indoor unit ¢ Model: ASGH36KMTA-R Part name Exterior Part name Exterior Operation manual Filter holder Self-tapping screw Specifications (Large) Self-tapping screw Installation manual (Small) Remote controller Battery Remote controller →all hook bracket holder Cloth tape Air cleaning filter - (02-10) - 4-1.
Page 27: Outdoor Unit
4-2. Outdoor unit ¢ Model: AOGH36KMTA-R Part name Exterior Part name Exterior Installation manual Drain cap Drain pipe One-touch bush - (02-11) - 4-2. Outdoor unit 4. Accessories...
Page 28 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. →ired Remote UT↔-RNRGZ* →ire type: Non-polar 2-wire Controller Optional Communication Kit is necessary for installation.
Page 29 ¢ Others Exterior Part name Model name Summary Use to connect with various peripheral devices and air conditioner PCB. External UT↔-↓→Z↓ Connect Kit Connecting point: CN46 and CN47 on Main PCB Required when external device is connected. External UT↔-↓→Z↓Z5 Connect Kit Connecting point: CN46 and CN47 on Main PCB Use to connect with external devices...
Page 30 Exterior Part name Model name Summary Air conditioner switching can be controlled by connecting other external External Switch UT↔-TER↓ sensor switches. Controller Use the terminal for wired remote controller. 5-2. Outdoor unit Exterior Part name Model name Summary Use to operate the external input and External UT↔-↓→Z↓Z3 output functions of outdoor unit.
Page 31: Refrigerant System Diagrams
6. Refrigerant system diagrams 6-1. Model: AOGH36KMTA-R Heat exchanger 3-way 3-way (INDOOR) valve valve Pressure switch Pressure sensor 4-way valve Strainer Expansion valve Strainer Heat exchanger (OUTDOOR) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature)
Page 32 7. Wiring diagrams 7-1. Indoor unit ¢ Model: ASGH36KMTA-R - (02-16) - 7-1. Indoor unit 7. →iring diagrams...
Page 33 7-2. Outdoor unit ¢ Model: AOGH36KMTA-R - (02-17) - 7-2. Outdoor unit 7. →iring diagrams...
Page 34 8. PC board diagrams 8-1. Model: ASGH36KMTA-R CONTROL UNIT EZ-023RHSE TERMINAL JXO-T3102-3P-B OPTION COMMUNICATION PCB KIT (2-WIRE REMOTE CONTROLLER) CN301 AWG22 AWG22 BLACK REMOTE B07B-PASK-1 (LF)(SN) OUTDOOR UNIT CN14 CN300 AWG22 WHITE CONTROLLER AWG26 WHITE AWG22 CN13 POWER SOURCE WHITE B3(5.0)B-XASK-1-A(LF)(SN) B03B-XNISK-A-1 (LF)(SN) ( 2-WIRE )
Page 35 8-2. Model: AOGH36KMTA-R CONTROL UNIT EZ-021CHUE 5 V-1 UL1015 AWG20 GREEN BLACK P700 ● B03B-XAKK-1-A (LF)(SN) THERMISTOR (HEAT SINK TEMP.) BLACK BLACK TERMINAL INDOOR POWER SUPPLY/COM. EMI FILTER EMI FILTER GRFC-13 GRFC-8 P700 Thermistor Characteristics. 2 TURNS 1 TURN BLUE UL1015 AWG20 UL1015 AWG14 BLACK...
Page 36 - (02-20) - 8-2. Model: AOGH36KMTA-R 8. PC board diagrams...
Page 37: Troubleshooting
3. TROUBLESHOOTING 2023.09.26 SR_CH03_AS121EG_01...
Page 38 CONTENTS 3. TROUBLESHOOTING 1. Error code ....................03-1 1-1. How to check the error memory..................03-1 1-2. How to erase the error memory ..................03-1 1-3. Error code table (Indoor unit and wired remote controller)..........03-2 1-4. Error code table (Outdoor unit) ..................03-4 2. Troubleshooting with error code ...............03-6 2-1.
Page 39: Table Of Contents
CONTENTS (continued) 3-6. →ater leaking........................03-49 4. Service parts information .................03-50 4-1. Compressor........................03-50 4-2. Inverter compressor......................03-51 4-3. Outdoor unit Electronic Expansion Valve (EEV) ............03-52 4-4. Indoor unit fan motor ....................03-54 4-5. Outdoor unit fan motor....................03-55 4-6. Suction pressure sensor ....................03-56 4-7. Pressure switch ......................03-57 4-8.
Page 41: Error Code
1. Error code →hen a problem occurs in the system or the connected device, the error content is notified by dis- playing the code. NOTE: This function is only available in a system with indoor or IR receiver units equipped with in- dicator lamps to show the error content.
Page 42 1-3. 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 Operation [ ] Timer [ ] Economy [ ]...
Page 43 Indoor unit display Wired remote Error contents Operation [ ] Timer [ ] Economy [ ] controller (Green) (Orange) (Green) display E: AC. Heat sink temperature error 10 times 12 times Continuous (Outdoor unit) - (03-3) - 1-3. Error code table (Indoor unit and wired remote controller) 1.
Page 44 1-4. Error code table (Outdoor unit) The operation status is determined by the lighting up and blinking of the LED lamp. After check that ERROR LED lamp blinks, press the ENTER button once. NOTE: For the positions of LED lamp and buttons, refer to "Function settings (for indoor unit)"...
Page 45 PUMP LOW NOISE PEAK CUT POWER/ DOWN Error contents ERROR MODE E: 97. Outdoor unit fan motor error ■ ● ■ ■ ○ ○ ● ● (Outdoor unit) E: 98. Outdoor unit fan motor error ■ ● ■ ■ ○ ○...
Page 46 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 Indoor unit Indicator Economy indicator Continuous flash Error code E: 11 Outdoor unit Refer to "Error code table (Outdoor unit)"...
Page 47 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. •...
Page 48 2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit) Operation indicator 1 time flash Timer indicator 1 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 11 outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Main PCB Indoor unit...
Page 49 Check point 4. Check serial signal (Forward 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. •...
Page 50 2-3. E: 12. Wired remote controller communication error (Indoor unit) Operation indicator 1 time flash Timer indicator 2 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 12 outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Indoor unit Main PCB...
Page 51 2-4. E: 22. Indoor unit capacity error (Indoor unit) Operation indicator 2 time flash Timer indicator 2 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 22 outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 →hen the total capacity of the indoor units does not Detective actuator Indoor unit main PCB...
Page 52 2-5. E: 32. Indoor unit main PCB error (Indoor unit) Operation indicator 3 time flash Timer indicator 2 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 32 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 →hen power is on and there is some below case.
Page 53 2-6. E: 35. MANUAL AUTO button error (Indoor unit) Operation indicator 3 time flash Timer indicator 5 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 35 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Indoor unit controller PCB →hen the MANUAL AUTO button becomes on for Detective actuator...
Page 54 2-7. E: 41. Room temperature sensor error (Indoor unit) Operation indicator 4 time flash Timer indicator 1 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 41 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Indoor unit main PCB Room temperature thermistor is open or short is Detective actuator...
Page 55 2-8. E: 42. Indoor unit heat exchanger sensor error (Indoor unit) Operation indicator 4 time flash Timer indicator 2 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 42 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Indoor unit main PCB →hen heat exchanger temperature thermistor open or...
Page 56 2-9. E: 51. Indoor unit fan motor error (Indoor unit) Operation indicator 5 time flash Timer indicator 1 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 51 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Main PCB →hen the actual rotation number of the indoor unit fan...
Page 57 2-10. E: 62. Outdoor unit main PCB error (Outdoor unit) Operation indicator 6 time flash Timer indicator 2 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 62 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Access to EEPROM failed due to some cause after Detective actuator...
Page 58 2-11. E: 63. Inverter error (Outdoor unit) Operation indicator 6 time flash Timer indicator 3 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 63 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Detective actuator Outdoor unit Inverter PCB...
Page 59 2-12. E: 64. PFC circuit error (Outdoor unit) Operation indicator 6 time flash Timer indicator 4 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 64 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 •...
Page 60 2-13. E: 65. Trip terminal L error (Outdoor unit) Operation indicator 6 time flash Timer indicator 5 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 65 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 →hen the signal from FO terminal of IPM is “L”...
Page 61 2-14. E: 71. Discharge thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 1 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 71 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB →hen discharge pipe temperature thermistor open or Detective actuator...
Page 62 2-15. E: 72. Compressor thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 2 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 72 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB →hen compressor temperature thermistor open or short Detective actuator...
Page 63 2-16. E: 73. Heat exchanger (Middle/Outlet) temperature thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 3 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 73 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Heat exchanger liquid temperature •...
Page 64 2-17. E: 74. Outdoor temperature thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 4 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 74 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB →hen outdoor temperature thermistor open or short Detective actuator...
Page 65 2-18. E: 77. Heat sink thermistor error (Outdoor unit) Operation indicator 7 time flash Timer indicator 7 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 77 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Detective actuator Heat sink temperature thermistor Heat sink temperature thermistor short or open detected...
Page 66 2-19. E: 84. Current sensor error (Outdoor unit) Operation indicator 8 time flash Timer indicator 4 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 84 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 →hen input current sensor has detected 0 A, while inverter compressor is operating at higher than 56 rps, Detective actuator...
Page 67 2-20. E: 86. High pressure switch error (Outdoor unit) Operation indicator 8 time flash Timer indicator 6 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 86 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB →hen pressure switch open is detected in 10 seconds Detective actuator...
Page 68 2-21. E: 86. Pressure sensor error (Outdoor unit) Operation indicator 8 time flash Timer indicator 6 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 86 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB 30 seconds or more after power-on, when pressure sensor detection value detects the condition below...
Page 69 2-22. E: 94. Trip detection (Outdoor unit) Operation indicator 9 time flash Timer indicator 4 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 94 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Inverter PCB Protection stop by over-current generation after inverter compressor start processing completed generated...
Page 70 2-23. E: 95. Compressor motor control error (Outdoor unit) Operation indicator 9 time flash Timer indicator 5 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 95 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Inverter PCB "Protection stop by "overcurrent generation at inverter Detective actuator...
Page 71 2-24. E: 97. Outdoor unit fan motor error (Outdoor unit) Operation indicator 9 time flash Timer indicator 7 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 97 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Inverter PCB 1.
Page 72 Check point 4. Check output voltage of inverter PCB Check outdoor unit circuit diagram and the voltage. (Measure at inverter PCB side connector) FAN MOTOR BLACK WHITE YELLOW BROWN NOTE: For details of wiring diagram, refer to "→iring diagrams" in Chapter 2. TECHNICAL DATA AND PARTS LIST on page 02-16.
Page 73 2-25. E: 98. Outdoor unit fan motor error (Outdoor unit) Operation indicator 9 time flash Timer indicator 8 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 98 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Main PCB 1.
Page 74 2-26. E: 99. 4-way valve error (Outdoor unit) Operation indicator 9 time flash Timer indicator 9 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: 99 outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Indoor unit main PCB →hen the indoor heat exchanger temperature is...
Page 75 Check point 4. Check the solenoid coil and 4-way valve NOTE: Refer solenoid coil and 4-way valve in "Service parts information" on page 03-50. • Solenoid coil Remove P60 from PCB and check the resistance value of coil. Resistance value is 1.970 kΩ (at 20°C).
Page 76 2-27. E: A1. Discharge temperature error (Outdoor unit) Operation indicator 10 time flash Timer indicator 1 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: A1 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB Protection stop by discharge temperature ≥...
Page 77 Check point 5. Check the refrigerant amount Check the refrigerant leakage. Check point 6. Replace the main PCB If check point 1 to 5 do not improve the symptom, replace the main PCB. - (03-37) - 2-27. E: A1. Discharge temperature error (Outdoor unit) 2.
Page 78 2-28. E: A3. Compressor temperature error (Outdoor unit) Operation indicator 10 time flash Timer indicator 3 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: A3 Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB Protection stop by compressor temperature ≥...
Page 79 Check point 5. Check the refrigerant amount Check the refrigerant leakage. Check point 6. Replace the main PCB If check point 1 to 5 do not improve the symptom, replace the main PCB. - (03-39) - 2-28. E: A3. Compressor temperature error (Outdoor unit) 2.
Page 80 2-29. E: A5. Low pressure error (Outdoor unit) Operation indicator 10 time flash Timer indicator 5 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: A5 outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit main PCB Protection stop by suction pressure ≥...
Page 81 Check point 6. Check the refrigerant amount Check the refrigerant leakage. Check point 7. Replace main PCB If check point 1 to 6 do not improve the symptom, replace the main PCB. - (03-41) - 2-29. E: A5. Low pressure error (Outdoor unit) 2.
Page 82 2-30. E: AC. Heat sink temperature error (Outdoor unit) Operation indicator 10 time flash Timer indicator 12 time flash Indoor unit Indicator Economy indicator Continuous flash Error code E: AC Outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-4 Outdoor unit inverter PCB Protection stop by heat sink temperature ≥...
Page 83 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 84 3-2. Outdoor unit—No power Power supply failure Forecast of cause External cause Electrical components defective Check point 1. Check installation condition • Is the circuit breaker on or off? • 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 85 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 86 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 87 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.
Page 88: 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 Outdoor Abnormal noise is coming from Indoor unit. unit. (Check and correct followings) (Check and correct followings) •...
Page 89: Ater 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? MPa MPa •...
Page 90: 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 91: Inverter Compressor
4-2. Inverter compressor Check point 1. Check the terminal connection. • Check the following terminal connections of the compressor. (Loosening or incorrect wiring.) S (V) C (W) R (U): Red S (V): →hite Main PCB C (W): Black R (U) •...
Page 92: 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 "→iring diagrams" in Chapter 2. TECHNICAL DATA AND PARTS LIST on page 02-16. Check point 2.
Page 93 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.
Page 94: 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. Check resistance of indoor fan motor Refer to below.
Page 95: 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. Check resistance of outdoor unit fan motor Refer to below.
Page 96: Suction Pressure Sensor
4-6. Suction pressure sensor Check point 1. Check voltage from main PCB →ith the connector connected to the PCB, measure the voltage between P20:2-3 of the Main PCB. PRESSURE WHITE SENSOR BLACK (HIGH) Characteristics of pressure sensor 725 / 5.0 Pressure psi / MPa 14.5 29.0...
Page 97: Pressure Switch
4-7. Pressure switch • Type of contact Pressure • Characteristics of pressure switch Pressure switch 1 Contact: Short Open 4.2 — 4.05 MPa Contact: Open Short 3.2 ± 0.15 MPa P770 - (03-57) - 4-7. Pressure switch 4. Service parts information...
Page 98: 4-Way Valve Coil (Solenoid Coil)/4-Way Valve
4-8. 4-way valve coil (solenoid coil)/4-way valve Check point 1. Check connection • Check the connection of connector P60. BLACK SOLENOID COIL BLACK Check Point 2 : Check solenoid coil Remove P60 from PCB and check the resistance value of coil. Resistance value ≈...
Page 99: Thermistor Resistance Values
5. Thermistor resistance values 5-1. Indoor unit ¢ Room temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -10.0 58.25 0.73 -5.0 44.03 0.93 33.62 1.15 25.93 1.39 10.0 20.18 1.66 15.0 15.84 1.94 20.0 12.54 2.22 25.0 10.00 2.50 30.0 8.04 2.77 35.0...
Page 100: Outdoor Unit
5-2. Outdoor unit ¢ Heat sink thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 94.26 0.08 -25.0 67.95 0.11 -20.0 49.62 0.15 -15.0 36.68 0.20 -10.0 27.42 0.26 -5.0 20.73 0.34 15.83 0.43 12.21 0.55 10.0 9.50 0.68 15.0 7.46 0.84 20.0 5.90...
Page 101 ¢ Discharge temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 1,000.13 0.06 -25.0 720.28 0.09 -20.0 525.51 0.12 -15.0 388.12 0.16 -10.0 289.97 0.21 -5.0 219.01 0.28 167.12 0.36 128.77 0.46 10.0 100.14 0.57 15.0 78.56 0.71 20.0 62.14 0.87 25.0 49.54...
Page 102 ¢ Compressor temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 1,013.11 0.06 -25.0 729.09 0.09 -20.0 531.56 0.12 -15.0 392.31 0.16 -10.0 292.91 0.21 -5.0 221.09 0.28 168.60 0.36 129.84 0.46 10.0 100.91 0.57 15.0 79.12 0.71 20.0 62.55 0.86 25.0 49.84...
Page 103 ¢ Heat exchanger temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 95.57 0.24 -25.0 68.89 0.32 -20.0 50.31 0.43 -15.0 37.19 0.57 -10.0 27.81 0.73 -5.0 21.02 0.92 16.05 1.14 12.38 1.39 10.0 9.63 1.65 15.0 7.56 1.93 20.0 5.98 2.21 25.0...
Page 104 ¢ Outdoor temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 224.33 0.73 -25.0 159.71 0.97 -20.0 115.24 1.25 -15.0 84.21 1.56 -10.0 62.28 1.90 -5.0 46.58 2.26 35.21 2.61 26.88 2.94 10.0 20.72 3.25 15.0 16.12 3.52 20.0 12.64 3.76 25.0 10.00...
Page 105: Control And Functions
4. CONTROL AND FUNCTIONS 2023.09.26 SR_CH04_AS121EG_01...
Page 106 CONTENTS 4. CONTROL AND FUNCTIONS 1. Rotation number control of compressor...........04-1 1-1. Cooling operation ......................04-1 1-2. Heating operation ......................04-2 1-3. Dry operation ........................04-2 1-4. Rotation number of compressor at normal start-up ............04-3 1-5. Compressor rotation number limitation by outdoor temperature........04-4 2.
Page 107 CONTENTS (continued) 8-7. High temperature and high pressure release control ............04-31...
Page 109: Rotation Number Control Of Compressor
1. Rotation number control of compressor 1-1. Cooling operation A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation rotation number of the compressor. •...
Page 110: Heating Operation
1-2. Heating operation A sensor (room temperature thermistor) built in indoor unit body will usually perceive difference or variation between setting temperature and present room temperature, and controls operation rota- tion number of compressor. • If the room temperature is 6.0°C lower than a set temperature, the operation rotation number of compressor will attain to maximum performance.
Page 111: Rotation Number Of Compressor At Normal Start-Up
1-4. Rotation number of compressor at normal start-up Rotation number of compressor soon after starting is controlled as below. Rotation number X Rotation number IX Rotation number VIII Rotation number VII Rotation number VI Rotation number V Rotation number IV Rotation number III Rotation number II Rotation numbery I...
Page 112: Compressor Rotation Number Limitation By Outdoor Temperature
1-5. Compressor rotation number limitation by outdoor temperature The minimum rotation number of compressor is limited by outdoor temperature as below. • Cooling/Dry mode K zone 52°C J zone 50°C I zone 46°C H zone 31°C G zone 21°C F zone 13°C E zone 7°C...
Page 113: Heating Mode
• Heating mode I zone 20°C H zone 16°C G zone 12°C F zone 7°C E zone 2°C D zone -7°C C zone -10°C B zone -15°C A zone Unit: rps Limitation of compressor Model name Outdoor temperature zone rotation number A zone B zone C zone...
Page 114: Auto Changeover Operation
2. Auto changeover operation →hen 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 115: Operation Flow Chart
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...
Page 116: 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 ASGH36KMTA-R PO→ERFUL 1,520 HIGH 1,430 MED—HIGH 1,210 1,050 Heating LO→ QUIET Cool air prevention S-LO→...
Page 117: Cooling Operation
¢ 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, LO→, MED, HIGH as shown in “Fan speed” above. Airflow change over (Cooling: Auto) Tr - Ts ≥...
Page 118 ¢ 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 119 • 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...
Page 120: 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 Fan speed is defined by outdoor temperature and compressor frequency. Unit: rpm (First row: upper fan, second row: lower fan) Fan step Cooling or dry...
Page 121: Louver Control
4. Louver control 4-1. Horizontal louver control Each time the button is pressed, the airflow direction range will change as below: Side view • Remote controller display is not changed. • Up/down airflow direction is set automatically as shown, in accordance with the type of operation selected.
Page 122: Swing Operation
4-3. Swing operation • To select up/down airflow swing operation →hen the swing signal is received, the horizontal louver starts to swing. – Swinging range • Cooling mode/dry mode/fan mode (1 to 3): 1 • Heating mode/fan mode (4 to 6): 3 –...
Page 123: 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: →hen the clock reaches the set timer, the air conditioner will be turned off. Operation mode Stop mode Set time of timer...
Page 124: Sleep Timer
¢ 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 125: Ired Remote Control
5-2. Wired remote control Temperature On/Off timer Program timer Sleep timer Weekly timer Setback Timer ○ ○ ○ ○ ○ ¢ On/Off timer • Off timer: →hen the clock reaches the set timer, the air conditioner will be turned off. Operation mode Stop mode Set time of timer...
Page 126: Weekly Timer
¢ 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 127: Temperature Setback Timer
¢ Temperature Setback Timer • The temperature setback timer only changes the set temperature for 7 days, it cannot be used to start or stop air conditioner operation. • The temperature setback timer can be set to operate up to two times per day but only one temperature setting can be used.
Page 128: 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 129: 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 130: Various Control
7. Various control 7-1. Auto restart →hen 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 131: Forced Cooling Operation
7-3. Forced cooling operation The outdoor unit may not operate depending on the room temperature. →hen 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 132: Fresh Air Control
7-6. Fresh air control The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below. Operation Fan motor (Indoor unit) Stop Operation Fan motor (for Fresh Air) Stop 7-7. Compressor preheating By preheating the compressor, warm airflow is quickly discharged when the operation is started. •...
Page 133: Electronic Expansion Valve Control
7-9. 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 47 and 480 pulses Heating mode Between 39 and 480 pulses 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 134: Unit Status Monitoring And The Detected Value Indication
7-13. Unit status monitoring and the detected value indication The wired remote controller can monitor the indoor and outdoor units' status and display the detect- ed result as a relevant ID. For details of the display method, refer to the Chapter of “Display Sensor Values” in the Installation Manual of →ired Remote Controller (Touch Panel).
Page 135 Available Sensor ID Sensor ID Item Unit Remarks 0: Off, 1: On Cooling thermostat On/Off (External NOTE: The value is output even if 00: — output) the function setting or rotary switch is not set. 0: Off, 1: On Requested cooling strength On/Off NOTE: The value is output even if 00: —...
Page 136 Available Sensor ID Sensor ID Item Unit Remarks 0: Off 1: Mode 4 (100%) 2: Mode 3 (75%) Outdoor peak cut (External input) 00: — 3: Mode 2 (50%) 4: Mode 1 (Forced thermostat off) 0: Normal, 1: DRM1, 2: DRM2, 3: Demand response (External input) 00: —...
Page 137: 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. • →hen 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 138: Current Release Control
8-3. Current release control The rotation number of compressor is controlled so that the outdoor unit input current does not ex- ceeds current limit value set according to the outdoor temperature. The rotation number of compressor returns according to the operation mode, when the current be- comes lower than the release value.
Page 139: Operation
8-7. High temperature and high pressure release control The compressor is controlled as follows. • Cooling mode Indoor unit heat exchanger Indoor unit heat exchanger temperature rises temperature drops 64 °C Zone A 60 °C 58 °C Zone B Zone C Stable zone Zone D Zone...
Page 140 - (04-32) - 8-7. High temperature and high pressure release control 8. Various protections...
Page 141 5. FILED WORKING 2023.09.26 SR_CH05_AS121EG_01...
Page 142 CONTENTS 5. FILED WORKING 1. Function settings (for indoor unit).............05-1 1-1. Function settings by using remote controller ..............05-1 1-2. Custom code setting for wireless remote controller ............05-8 2. Function settings (for outdoor unit) ............05-9 2-1. Control PCB and switch buttons location................05-9 2-2.
Page 143: Function Settings (For Indoor Unit)
1. Function settings (for indoor unit) 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.
Page 144 STEP 2: Selecting the function number and setting value 1. Press the TEMP. ( ) buttons to select the function number. Function number To switch between the left and right digits, press the FAN (-) but- ton. 2. Press the FAN (+) button to proceed to value setting. To return the function number selection, press the FAN (+) button again.
Page 145: Contents Of Function Setting
¢ 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 146: Filter Sign
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 147: Auto Restart
4) 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 148 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 149 11) 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—08 (Setting prohibited) Error status Indoor unit fan operation status (Setting prohibited) - (05-7) -...
Page 150: 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 151: Function Settings (For Outdoor Unit)
2. Function settings (for outdoor unit) Perform appropriate function setting locally according to the installation environment. NOTE: Incorrect settings can cause a product malfunction. CAUTION • Before setting up the switch buttons, discharge the static electricity from your body. • Never touch the terminals or the patterns on the parts that are mounted on the PCB. 2-1.
Page 152: Switch Buttons And The Functions
¢ Switch buttons and the functions LED lamps S134 S133 S132 S131 S130 Switch buttons LED lamp Function or operation method Lights on while power on. (1) PO→ER/MODE Green Blinks to show the local setting on the outdoor unit or the error code. (2) ERROR Blinks during error operation.
Page 153: Local Setting Procedure
2-2. Local setting procedure NOTE: Before performing the function setting, be sure to stop the operation of the air conditioner. ¢ Low noise mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of PO→ER/MODE blinks 9 times, press the ENTER switch but- ton (S132).
Page 154: Peak Cut Mode
¢ Peak cut mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of PO→ER/MODE blinks 9 times, press the ENTER switch but- ton (S132). PUMP POWER LOW NOISE PEAK CUT DOWN...
Page 155: External Input And Output (For Indoor Unit)
3. External input and output (for indoor unit) External Input and Output PCB SW301 SW302 Rotary switch CN314 CN313 CN312 CN311 CN310 CN308 To CN6 on Indoor unit PCB Connecting point Input/Output Function Input select Input signal Operation/Stop CN46 Input Dry contact Edge Forced stop...
Page 156: External Input
3-1. External input →ith 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 should be used. Maximum length of cable is 150 m. •...
Page 157: External Input And Output Pcb
¢ External Input and Output PCB The indoor unit Operation/Stop can be set by using the input connector on the PCB. • Input select Use either one of these types of connectors according to the application. (Both types of connec- tors cannot be used simultaneously.) –...
Page 158: Input Signal Type
¢ 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 (S→302) on the External Input and Output PCB.
Page 159: External Output
3-2. 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 should be used. Maximum length of cable is 25 m. •...
Page 160 ¢ External Input and Output PCB • A twisted pair cable should be used. Maximum length of cable is 25 m. • Output voltage: High DC 12 V ±2 V, Low 0 V. • Permissible current: 50 mA • For details, refer to "Setting of external input and output"...
Page 161: Setting Of External Input And Output
3-3. Setting of external input and output • Indoor unit Input Connection point Function setting number 46 Function Operation/Stop mode 1 (Setting prohibited) CN46 Forced stop mode Operation/Stop mode 2 Output Connection point Function setting number 60 Function Operation/Stop 01 to 08 (Setting prohibited) CN47 Error status...
Page 162: Details Of Control Input Function
3-4. Details of control input function ¢ Operation/Stop mode 1 • In the case of "Edge" input External Input and Output PCB Function External input Input signal Command setting Rotary SW302 switch Operation — Input of indoor unit CN46 Stop 46-00 Operation External Input and...
Page 163 ¢ Forced stop • In the case of "Edge" input External Input and Output PCB Function External input Input signal Command setting Rotary SW302 switch Forced stop (R.C. disabled) — Input of indoor unit CN46 Normal (R.C. enabled) 46-02 Forced stop (R.C.
Page 164: Operation/Stop Mode
¢ Operation/Stop mode 2 • In the case of “Edge” input External Input and Output PCB Function External input Input signal Command setting Rotary SW302 switch Operation (R.C. enabled) — Input of indoor unit CN46 Stop (R.C. disabled) 46-03 Operation (R.C.
Page 165: Forced Thermostat Off
¢ Forced thermostat off External Input and Output External input Input signal Command Rotary switch Thermostat off External Input and 2, B, C, D CN313 Output PCB Normal operation CN313 Compressor Room temp. Set temp. - (05-23) - 3-4. Details of control input function 3.
Page 166: Details Of Control Output Function
3-5. Details of control output function ¢ Operation status External Input and Function Output PCB External output Output signal Status setting Rotary switch Operation 60-00 1, 2 Output of indoor unit CN47 Stop Operation External Input and — 1, B, C, D CN310 Output PCB Stop...
Page 167: Indoor Unit Fan Operation Status
¢ Indoor unit fan operation status External Input and Function Output PCB External output Output signal Status setting Rotary switch Fan run 60-10 Output of indoor unit CN47 Fan stop Fan run External Input and — 2, B, D CN311 Output PCB Fan stop Fan run...
Page 168: External Input
4. External input and output (for outdoor unit) →ith using external input and output functions, this product can be operated inter-connectedly with an external device. Connector Input Output Remarks P580 Low noise mode — PA580 Peak cut mode — See external input/output settings for details.
Page 169 ¢ Peak cut mode By performing following on-site work, operation that suppresses the current value can be enabled: The air conditioner is set to the “Peak cut mode” when closing the contact input of a commercial timer or on/off switch to a connector on the control PCB of the outdoor unit. •...
Page 170: External Output
4-2. External output →ith using external output function, some status signals are transmitted to the control PCB, and the related LED lamp indicates the status of this product. ¢ Error status output Signal on air conditioner error status is generated when a malfunction occurs. •...
Page 171: Compressor Status Output
¢ Compressor status output Signal on compressor operation status is generated when the compressor is running. • Circuit diagram example • Output voltage (Vcc): DC 12 Outdoor unit V 50 mA or less control PCB Connected unit (Locally purchased) • *: Make the distance from Example: Connector...

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