Download
Share
Print this page
Fujitsu GENERAL ASHG09KMCEN Service Manual
  1. Manuals
  2. Brands
  3. Fujitsu Manuals
  4. Air Conditioner
  5. GENERAL ASHG09KMCEN
  6. Service manual

Fujitsu GENERAL ASHG09KMCEN Service Manual

Refrigerant r32 inverter, wall mounted type, indoor/outdoor, for cold climate region
Hide thumbs Also See for GENERAL ASHG09KMCEN:

Advertisement

Quick Links

Download this manual
AIR CONDITIONER
Wall mounted type
INDOOR
ASHG09KMCEN
ASHG12KMCEN
ASHG14KMCEN
OUTDOOR
AOHG09KMCEN
SERVICE MANUAL
AOHG12KMCEN
For Cold Climate Region
AOHG14KMCEN
SR_AS085EG_03
2023.01.13

Advertisement

loading
Need help?

Need help?

Do you have a question about the GENERAL ASHG09KMCEN and is the answer not in the manual?

Questions and answers

Related Manuals for Fujitsu GENERAL ASHG09KMCEN

Summary of Contents for Fujitsu GENERAL ASHG09KMCEN

  • Page 1 AIR CONDITIONER Wall mounted type SERVICE MANUAL For Cold Climate Region INDOOR ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN OUTDOOR AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN SR_AS085EG_03 2023.01.13...
  • Page 2 App Store is a service mark of Apple Inc., registered in the U.S. and other countries. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. Copyright © 2022, 2023 Fujitsu General Limited. All rights reserved.

  • 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 2022.11.11 SR_CH01_AS085EG_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........................01-6...
  • Page 7 1. Specifications 1-1. Indoor unit Wall mounted Type Inverter, Heat pump Model name ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 8,500 11,600 14,300 Cooling 1.00—3.80 1.00—4.20 1.20—4.65 Min.—Max.
  • Page 8 Wall mounted Type Inverter, Heat pump Model name ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN NOTES: • Specifications are based on the following conditions: – Cooling: Indoor temperature of 27°CDB/19°CWB, and outdoor temperature of 35°CDB/24°CWB. – Heating: Indoor temperature of 20°CDB/15°CWB, and outdoor temperature of 7°CDB/6°CWB. –...

  • Page 9: Outdoor Unit

    1-2. Outdoor unit Type Inverter, Heat pump Model name AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current Cooling 1,770 2,210 2,450 Airflow rate Heating 1,313 1,335 2,330 Type ×...
  • Page 10 2. Dimensions 2-1. Indoor unit ¢ Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN Unit: mm Outline of indoor unit for pipe inlet Ø65 for pipe inlet Ø65 - (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 40 or more 70 or more Wall hook bracket 107 or more 183 or more Outline of the indoor unit 1,500 or more A: Install so that the flare connection part is outdoors. - (01-5) - 2-1.
  • Page 12 2-2. Outdoor unit ¢ Model: AOHG09KMCEN Unit: mm 4-M10 hole Pitch of bolts for installation Top view Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - (01-6) - 2-2. Outdoor unit 2. Dimensions...
  • Page 13 ¢ Model: AOHG12KMCEN Unit: mm 4-M10 hole Pitch of bolts for installation Top view Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - (01-7) - 2-2. Outdoor unit 2. Dimensions...
  • Page 14 ¢ Model: AOHG14KMCEN Unit: mm 4-M10 hole Pitch of bolts for installation Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - (01-8) - 2-2. Outdoor unit 2. Dimensions...
  • Page 15 2. TECHNICAL DATA AND PARTS LIST 2022.11.11 SR_CH02_AS085EG_01...
  • Page 16 CONTENTS 2. TECHNICAL DATA AND PARTS LIST 1. Precautions....................02-1 2. Indoor unit parts list..................02-2 2-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN ......02-2 3. Outdoor unit parts list.................02-6 3-1. Model: AOHG09KMCEN ....................02-6 3-2. Model: AOHG12KMCEN ....................02-10 3-3. Model: AOHG14KMCEN ....................02-14 4. Accessories ....................02-18 4-1.
  • 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. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN ¢ Exterior parts - (02-2) - 2-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN 2. Indoor unit parts list...
  • Page 19 Item no. Part no. Part name Service part 9388142029 Bracket panel ♦ 9333951003 Louver spring ♦ 9333608006 Bush ♦ 9387714067 Stepping motor holder assy ♦ 9901011092 Stepping motor ♦ 9387590258 Drain pan total assy ♦ 9387476002 Screw cover ♦ 9387479041 Horizontal louver assy ♦...
  • Page 20 ¢ Base, evaporator, and control - (02-4) - 2-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN 2. Indoor unit parts list...
  • Page 21 Item no. Part no. Part name Service part 9387587227 Base assy ♦ 9388139012 Pipe bracket A ♦ 9334143001 Under cover C ♦ 9334137000 Screw cover ♦ 9383765032 WLAN adapter holder assy ♦ 9711141972 Main PCB (09 model) ♦ 9711141989 Main PCB (12 model) ♦...
  • Page 22 3. Outdoor unit parts list 3-1. Model: AOHG09KMCEN ¢ Exterior parts and Chassis - (02-6) - 3-1. Model: AOHG09KMCEN 3. Outdoor unit parts list...
  • Page 23 Item no. Part no. Part name Service part 9322556028 Top panel assy ♦ 9377840011 Protective net assy ♦ 9322553287 Motor bracket assy ♦ 9322552020 Cabinet right assy ♦ 9322570000 Switch cover assy ♦ 9322138002 Thermistor holder ♦ 9709688298 Main PCB (Service) ♦...
  • Page 24 ¢ Compressor - (02-8) - 3-1. Model: AOHG09KMCEN 3. Outdoor unit parts list...
  • Page 25 Item no. Part no. Part name Service part 9322431004 Compressor assy ♦ 9322445018 4-way valve assy ♦ 9970194023 Solenoid ♦ 9970095122 Expansion valve coil ♦ 9322463005 Pulse motor valve assy ♦ 9322474001 2-way valve assy ♦ 9322475008 3-way valve assy ♦...
  • Page 26 3-2. Model: AOHG12KMCEN ¢ Exterior parts and Chassis - (02-10) - 3-2. Model: AOHG12KMCEN 3. Outdoor unit parts list...
  • Page 27 Item no. Part no. Part name Service part 9322556066 Top panel assy ♦ 9377854025 Protective net assy ♦ 9322327000 Thermistor holder ♦ 9322552099 Cabinet right assy ♦ 9322570024 Switch cover assy ♦ 9323550032 Base assy ♦ 9709688304 Main PCB (Service) ♦...
  • Page 28 ¢ Compressor - (02-12) - 3-2. Model: AOHG12KMCEN 3. Outdoor unit parts list...
  • Page 29 Item no. Part no. Part name Service part 9322433008 Compressor assy ♦ 9322445018 4-way valve assy ♦ 9970194023 Solenoid ♦ 9970095122 Expansion valve coil ♦ 9322463005 Pulse motor valve assy ♦ 9322474001 2-way valve assy ♦ 9322475008 3-way valve assy ♦...
  • Page 30 3-3. Model: AOHG14KMCEN ¢ Exterior parts and chassis - (02-14) - 3-3. Model: AOHG14KMCEN 3. Outdoor unit parts list...
  • Page 31 Item no. Part no. Part name Service part 9322556073 Top panel assy ♦ 9334053003 Protective net assy ♦ 9322327000 Thermistor holder ♦ 9322552082 Cabinet right assy ♦ 9322570031 Switch cover assy ♦ 9900850012 Main PCB (Service) ♦ 9900850012 Thermistor (Outdoor temp.) ♦...
  • Page 32 ¢ Compressor - (02-16) - 3-3. Model: AOHG14KMCEN 3. Outdoor unit parts list...
  • Page 33 Item no. Part no. Part name Service part 9810521002 Compressor ♦ 9970095122 Expansion valve coil ♦ 9322462008 Pulse motor valve assy ♦ 9970194023 Solenoid ♦ 9970205002 4-way valve ♦ 9322459008 Joint pipe (Condenser) ♦ 9322791009 Suction pipe assy ♦ 9383949036 Discharge pipe assy ♦...

  • Page 34: Outdoor Unit

    4. Accessories 4-1. Indoor unit ¢ Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN Part name Exterior Part name Exterior Operation manual Tapping screw (large) Installation manual Tapping screw (small) Wall hook bracket Cloth tape Remote controller Filter holder Remote controller Air cleaning filters holder Battery 4-2.
  • Page 35 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. Wired Remote UTY-RNRGZ* Wire type: Non-polar 2-wire Controller Optional Communication Kit is necessary for installation.
  • Page 36 ¢ Others Exterior Part name Model name Summary Air Cleaning Air Cleaning Filter can be mounted to UTR-FA16-5 Filter the indoor unit. Required when external device is connected. External UTY-XWZXZ5 Connect Kit Connecting point: CN6 on Main PCB Use to connect with external devices and air conditioner PCB.

  • Page 37: Refrigerant System Diagrams

    6. Refrigerant system diagrams 6-1. Models: AOHG09KMCEN and AOHG12KMCEN 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 temp.) :Thermistor (Outdoor temp.) :Thermistor (Heat exchanger out temp.) :Thermistor (Pipe temp.) :Thermistor (Room temp.) - (02-21) -...
  • Page 38 6-2. Model: AOHG14KMCEN Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler Pressure switch Strainer 4-way valve Expansion valve Accumulator Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature) : Thermistor (Room temperature) - (02-22) -...
  • Page 39 7. Wiring diagrams 7-1. Indoor unit ¢ Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN - (02-23) - 7-1. Indoor unit 7. Wiring diagrams...
  • Page 40 7-2. Outdoor unit ¢ Models: AOHG09KMCEN and AOHG12KMCEN - (02-24) - 7-2. Outdoor unit 7. Wiring diagrams...
  • Page 41 ¢ Model: AOHG14KMCEN - (02-25) - 7-2. Outdoor unit 7. Wiring diagrams...
  • Page 42 8. PC board diagrams 8-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN CONTROL UNIT 09 model : EZ-0221EHSE 12 model : EZ-0221FHSE 14 model : EZ-0221GHSE 2-WIRE REMOTE CONTROLLER UNIT ( OPTION ) UTY-TWRXZ2 CN301 UL1007 AWG22 CN300 REMOTE B07B-PASK-1 B03B-XNISK-A-1 UL1007 AWG22 WHITE CONTROLLER UL1061 AWG26...
  • Page 43 8-2. Models: AOHG09KMCEN and AOHG12KMCEN CONTROL UNIT 09 and 12 models : EZ-020YHUE EMI FILTER KRFC-13 EMI FILTER EMI FILTER 2 TURNS KRFC-13 KRFC-13 UL3271 1 TURN 2 TURNS AWG16 COMPRESSOR W400 UL3271 UL1015 TO INDOOR UNIT AWG20 AWG16 W103 W401 BLACK WHITE...
  • Page 44 8-3. Model: AOHG14KMCEN CONTROL UNIT 14 model : EZ-02000HUE EMI FILTER KRFC-13 2 TURNS EMI FILTER EMI FILTER KRFC-13 KRFC-13 UL3271 1 TURN AWG16 2 TURNS COMPRESSOR W400 TO INDOOR UNIT UL1015 UL3271 AWG20 AWG16 BLACK W103 W401 WHITE WHITE UL3271 UL1015 AWG16...

  • Page 45: Troubleshooting

    3. TROUBLESHOOTING 2023.01.13 SR_CH03_AS085EG_02...
  • Page 46 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 (Wireless LAN indicator)...............03-3 1-5. How to check the error code on Mobile app ..............03-4 1-6.

  • Page 47: Table Of Contents

    CONTENTS (continued) 4-1. E: 18. External communication error between indoor unit and WLAN adapter .....03-56 4-2. Wireless LAN adapter error ..................03-57 4-3. Network communication error between wireless LAN router and WLAN adapter..03-58 4-4. E: 18. Communication error..................03-60 4-5. E: 18. Wireless LAN adapter non-energized..............03-62 4-6.

  • Page 49: Error Code

    1. Error code When 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 50 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 51 1-4. Error code table (Wireless LAN indicator) • Wireless LAN control system diagram example Indoor unit Internet Main PCB Cloud Wireless Mobile app Parts: Outdoor unit router (Smart device) WLAN adapter • Name of parts WLAN adapter Wireless LAN label MAC: SSID: AP- PIN:...
  • Page 52 1-5. How to check the error code on Mobile app If there is an abnormality on the air conditioning, refer to as follows. When the (error button) on the home screen is tapped, error code and error name is displayed. Error button Error code Error name...
  • Page 53 1-6. Error code table (Mobile app) Error message Error contents Error code Serial reverse transmission error at start-up 11.1 E: 11. Serial communication error (Serial Serial reverse transmission error during reverse transfer error) (Outdoor unit) 11.2 operation Serial forward transmission error at start-up 11.3 E: 11.
  • Page 54 1-7. Error message for wireless LAN control (Mobile app) ¢ Error display If there is an abnormality on the wireless control system, refer to error messages as follows. Error message - (03-6) - 1-7. Error message for wireless LAN control (Mobile app) 1.

  • Page 55: Error Message List

    ¢ Error message list • Registration error Cause Error message Solution Communication failed. After checking the Communication with the air conditioner failed. following contents, please try again after a Check the following contents depending on the status of indoor while. unit wireless LAN indicator lamp or WLAN Adapter LED 2 and •...
  • Page 56 Cause Error message Solution WLAN adapter password is wrong. Enter Failed because the smartphone could not connect to the air it again. conditioner. Check the following contents depending on the status of indoor When problems are not resolved, there unit wireless LAN indicator lamp or WLAN Adapter LED 2 and may be other causes.
  • Page 57 Cause Error message Solution • The air conditioner you are trying to register is already registered to another account. • Registration failed because the air conditioner cannot connect to the Internet. • Immediately after turning on the power of the air conditioner, wait for about 5 minutes before registering it.
  • Page 58 Cause Error message Solution Already reached the max number of air The number of air conditioners that can be registered on conditioners per user. AIRSTAGE Mobile has reached the maximum limit. Check the number of air conditioners registered on AIRSTAGE Mobile.
  • Page 59 • Sign in error Cause Error message Solution Various settings could not be completed because communication with the server (cloud) failed. Communication failed. After checking the following contents, please try again after a Check the following contents and operate again. while.
  • Page 60 Cause Error message Solution User information or temperature unit information could not be obtained because communication with the server (cloud) failed. Loading of user information failed. Check Check the following contents and operate again. the following contents. 1. Check that the wireless LAN setting of smartphone is set to •...
  • Page 61 • General error Cause Error message Solution Communication with the air conditioner failed. Check the following contents depending on the status of indoor unit wireless LAN indicator lamp or WLAN Adapter LED 2 and operate again. • When not lighting –...
  • Page 62 Cause Error message Solution The error history information could not be obtained because communication with the server (cloud) failed. Check the following contents depending on the status of indoor unit wireless LAN indicator lamp or WLAN Adapter LED 2 and operate again.
  • Page 63 Cause Error message Solution Air conditioner group setting has not been completed because communication with air conditioner failed. Check the following contents depending on the status of indoor unit wireless LAN indicator lamp or WLAN Adapter LED 2 and operate again. •...
  • Page 64 Cause Error message Solution Air conditioner group setting has not been completed because communication with air conditioner failed. Check the following contents depending on the status of indoor unit wireless LAN indicator lamp or WLAN Adapter LED 2 and operate again. •...
  • Page 65 Cause Error message Solution Air conditioner group setting has not been completed because communication with air conditioner failed. Check the following contents depending on the status of indoor unit wireless LAN indicator lamp or WLAN Adapter LED 2 and operate again. •...
  • Page 66 Cause Error message Solution Various settings could not be completed because communication with the server (cloud) failed. Failed to update the screen. After checking the following contents, please Check the following contents and operate again. try again after a while. 1.
  • Page 67 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 68 Check point 4. Check serial signal (Reverse transfer signal) Check serial signal (Reverse transfer signal) GREEN WHITE BLACK WHITE BLACK • Check if indicated value swings between AC 90 V and AC 270 V at the outdoor unit terminal 1 —3.
  • Page 69 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 Indoor unit When the outdoor unit cannot properly receive the serial Detective actuator Fan motor signal from indoor unit for 10 seconds or more.
  • Page 70 Check point 4. Check serial signal (Forward transfer signal) Check serial signal (Forward transfer signal) GREEN WHITE BLACK WHITE BLACK • 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 71 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 72 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 73 2-5. E: 22. Indoor unit capacity error (Indoor unit) Operation indicator 2 time flash Timer indicator 2 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 22 When the total capacity of the indoor units does not Detective actuator Indoor unit main PCB match outdoor unit capacity while 3 minutes after power...
  • Page 74 2-6. E: 23. Combination error (Outdoor unit) Operation indicator 2 time flash Timer indicator 3 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 23 The outdoor unit receives the serial signal of applied Detective actuator Indoor unit refrigerant information from indoor unit.
  • Page 75 2-7. 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 76 2-8. 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 60 or more seconds.
  • Page 77 2-9. 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 78 2-10. 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 79 2-11. 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 actual rotation number of the indoor unit fan Detective actuator Indoor unit motor is below 1/3 of the target rotation number...
  • Page 80 2-12. 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 81 2-13. 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 82 2-14. E: 65. IPM error (Outdoor unit) Operation indicator 6 time flash Timer indicator 5 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: 65 Main PCB 1. When more than normal operating current to IPM in main PCB flows, the compressor stops.
  • Page 83 Check point 4. Check compressor Check compressor. (Refer to inverter compressor in "Service parts information".) ↓ Check point 5. Replace main PCB If Check point 1 to 4 do not improve the symptom, change main PCB. ↓ - (03-35) - 2-14.
  • Page 84 2-15. 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 85 2-16. 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 86 2-17. 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 87 2-18. 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 88 2-19. 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 89 2-20. 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 90 2-21. 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 91 2-22. 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 92 Check point 3. Check the solenoid coil and 4-way valve NOTE: Refer solenoid coil and 4-way valve in "Service parts information" on page 03-66. • Solenoid coil Remove P60 from PCB and check the resistance value of coil. Resistance value is 1.88 kΩ — 2.29 kΩ...
  • Page 93 2-23. 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 ≥ 110°C Detective actuator during compressor operation generated 2 times within Discharge temperature thermistor...
  • Page 94 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. ↓ - (03-46) - 2-23. E: A1. Discharge temperature error (Outdoor unit) 2.
  • Page 95 2-24. E: A3. Compressor temperature error (Outdoor unit) Operation indicator 10 time flash Timer indicator 3 time flash Indicator Indoor unit Economy indicator Continuous flash Error code E: A3 Outdoor unit main PCB Protection stop by compressor temperature ≥ during Detective actuator compressor operation generated 2 times within 24 Compressor temperature thermistor...
  • Page 96 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. ↓ - (03-48) - 2-24. E: A3. Compressor temperature error (Outdoor unit) 2.
  • Page 97 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 98 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 99 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 100 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 101 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 102: 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 103 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 104: E: 18. External Communication Error Between Indoor Unit And Wlan Adapter

    4. Troubleshooting with error code (For wireless LAN adapter) 4-1. E: 18. External communication error between indoor unit and WLAN adapter Operation indicator 1 time flash Timer indicator 8 time flash Indoor unit Economy indicator Continuous flash Indicator Error code E: 18 LED1 (green) Flashing fast...

  • Page 105: Wireless Lan Adapter Error

    4-2. Wireless LAN adapter error Operation indicator No indication Timer indicator No indication Indoor unit Economy indicator No indication Indicator Error code — LED1 (green) Flashing fast Wireless LAN adapter LED2 (orange) Flashing fast Wireless LAN adapter setting When the setting button becomes on for consecutive 60 button seconds or more.

  • Page 106: Network Communication Error Between Wireless Lan Router And Wlan Adapter

    4-3. Network communication error between wireless LAN router and WLAN adapter Operation indicator No indication Timer indicator No indication Indoor unit Economy indicator No indication Indicator Error code — LED1 (green) Wireless LAN adapter LED2 (orange) Flashing fast Wireless LAN router When the not connection between wireless LAN adapter and wireless LAN router.
  • Page 107 Check point 4. Replace wireless LAN adapter. If check point 3 do not improve the symptom, replace the wireless LAN adapter and cancel the reg- istration of air conditioner on the mobile app. After replacing the adapter, perform the pairing on the mobile app. For the method of the mobile app, refer to "Mobile app setting method"...

  • Page 108: E: 18. Communication Error

    4-4. E: 18. Communication error Operation indicator 1 time flash Timer indicator 8 time flash Indoor unit Economy indicator Continuous flash Indicator Error code E: 18 LED1 (green) Flashing fast Wireless LAN adapter LED2 (orange) Flashing fast Wireless LAN router When the external communication error between indoor unit and WLAN adapter and network communication Wireless LAN adapter PCB...
  • Page 109 Check point 3-1. Turn on the power again of air conditioner. If check point 1 to 2 do not improve the symptom, turn on the power of the air conditioner again and wait for 60 seconds. -> When the flashing pattern of the LED 2 (orange) is on, go to "Check point 3-2".

  • Page 110: E: 18. Wireless Lan Adapter Non-Energized

    4-5. E: 18. Wireless LAN adapter non-energized Operation indicator 1 time flash Timer indicator 8 time flash Indoor unit Economy indicator Continuous flash Indicator Error code E: 18 LED1 (green) Wireless LAN adapter LED2 (orange) Indoor unit controller PCB When the voltage (DC 12 V) does not output from the Detective actuator controller PCB.

  • Page 111: Wireless Lan Adapter Sleep Mode (Indoor Unit)

    4-6. Wireless LAN adapter Sleep mode (Indoor unit) Operation indicator No indication Timer indicator No indication Indoor unit Economy indicator No indication Indicator Error code — LED1 (green) Wireless LAN adapter LED2 (orange) When the state in which fly a wireless(SSID) have Detective actuator Sleep mode passed 1 hour.

  • Page 112: Mobile App Setting Method

    4-7. Mobile app setting method ¢ Air conditioner delete method When the wireless LAN adapter is replaced, delete of all air conditioner is necessary on the mobile app. Launch the mobile app. Tap the icon to display the Setting screen. Tap the “Air conditioner editing”.
  • Page 113 Tap the air conditioner to be deleted. Tap the Delete button. Tap the OK button. Deletion of the air conditioner registered in the mobile app is completed. - (03-65) - 4-7. Mobile app setting method 4. Troubleshooting with error code (For wireless LAN adapter)

  • Page 114: Service Parts Information

    5. Service parts information 5-1. 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 115: Inverter Compressor

    5-2. Inverter compressor Check point 1. Check connection • Check terminal connection of compressor (loose or incorrect wiring) T(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 WHITE...

  • Page 116: Outdoor Unit Electronic Expansion Valve (Eev)

    5-3. 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 02-23. Check point 2.
  • Page 117 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 118: Indoor Unit Fan Motor

    5-4. 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 119: Outdoor Unit Fan Motor

    5-5. 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 120: 4-Way Valve Coil (Solenoid Coil)/4-Way Valve

    5-6. 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 121: Thermistor Resistance Values

    6. Thermistor resistance values 6-1. 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 122: Outdoor Unit

    6-2. Outdoor unit ¢ Discharge temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 984.49 0.03 -25.0 709.67 0.05 -20.0 518.22 0.06 -15.0 383.06 0.09 -10.0 286.42 0.11 -5.0 216.49 0.15 165.33 0.19 127.48 0.25 10.0 99.21 0.31 15.0 77.88 0.39 20.0 61.64...
  • Page 123 ¢ 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 124 - (03-76) - 6-2. Outdoor unit 6. Thermistor resistance values...

  • Page 125: Control And Functions

    4. CONTROL AND FUNCTIONS 2023.01.13 SR_CH04_AS085EG_02...
  • Page 126 CONTENTS 4. CONTROL AND FUNCTIONS 1. Rotation number control of compressor...........04-1 1-1. Cooling operation ......................04-1 1-2. Heating operation ......................04-3 1-3. Dry operation ........................04-4 1-4. Rotation number of compressor at normal start-up ............04-5 1-5. Limitation of compressor rotation number by outdoor temperature.........04-6 2.
  • Page 127 CONTENTS (continued) 8-8. High temperature and high pressure release control ............04-32...

  • Page 129: 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 130 • Limit of maximum speed based on outdoor temperature Outdoor temperature rises Outdoor temperature drops 36°C A zone 34°C 32°C B zone 30°C 21°C C zone 19°C 12°C D zone 10°C 2°C E zone 0°C F zone Unit: rps Outdoor Indoor unit fan mode Model name temperature...

  • Page 131: 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 132: Dry Operation

    1-3. Dry operation The rotation number of compressor shall change according to the temperature, set temperature, and room temperature variation which the room temperature sensor of the indoor unit has detected as shown in the table below. Zone is defined by set temperature and room temperature. •...

  • Page 133: Rotation Number Of Compressor At Normal Start-Up

    1-4. Rotation number of compressor at normal start-up ¢ Models: AOHG09KMCEN and AOHG12KMCEN Rotation number of compressor soon after starting is controlled as below. Rotation number V Rotation number IV Rotation number III Rotation number II Rotation number I Time 1 Time 2 Time 3 Time 4...

  • Page 134: Limitation Of Compressor Rotation Number By Outdoor Temperature

    1-5. Limitation of compressor rotation number by outdoor temperature The minimum rotation number of compressor 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 Unit: rps Limitation of compressor...
  • Page 135 • Heating mode F zone 19°C E zone 5°C D zone 0°C C zone -15°C B zone -25°C A zone Unit: rps Limitation of compressor Model name Outdoor temperature zone rotation number A zone B zone C zone AOHG09KMCEN D zone E zone F zone A zone...

  • Page 136: 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 137: 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 138: 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 ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN POWERFUL 1,310 1,340 1,400 HIGH 1,240 1,270 1,330 MED+ 1,120 1,130...
  • Page 139 ¢ Dry operation During dry operation, fan speed setting can not be changed as shown in “Fan speed” above. ¢ Heating operation Switch the airflow AUTO, and the indoor fan motor will run according to a room temperature, as be- low.
  • Page 140 • 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 141: 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: AOHG09KMCEN Fan speed is defined by outdoor temperature and compressor frequency. •...
  • Page 142  Model: AOHG12KMCEN 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 at low outdoor temp.
  • Page 143  Model: AOHG14KMCEN 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 at low outdoor temp.

  • Page 144: 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 145: Swing Operation

    4-3. Swing operation • To select up/down airflow swing operation When the swing signal is received, the horizontal louver starts to swing. – Swinging range • Cooling mode/dry mode/fan mode (1 to 3): 1 ↔ 4 • Heating mode/fan mode (4 to 6): 3 ↔ 6 –...

  • Page 146: 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 147: 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 148: Wired Remote Control

    5-2. Wired remote control Temperature On/Off timer Program timer Sleep timer Weekly timer Setback 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 149 ¢ 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 150: 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 151: 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 152: 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 153: 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 154: 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 155: Powerful Operation

    7-6. POWERFUL operation The POWERFUL operation starts by pressing POWERFUL button on the remote controller. The indoor unit and outdoor unit operate at maximum power as shown in the table below. Rotation number of compressor Maximum Fan mode POWERFUL Cooling Vertical airflow direction louver setting Heating...

  • Page 156: 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 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 157: 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 rotation number of compressor is decreased as the table below, and it continues to decrease until the discharge tem- perature becomes lower than the trigger condition.

  • Page 158: 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 159: Cooling Pressure Over-Rise Protection

    8-4. Cooling pressure over-rise protection When the outdoor unit heat exchanger temperature reaches trigger condition below, the compressor is stopped and trouble display is performed. Trigger condition 65°C 8-5. Compressor temperature protection When the compressor temperature sensor detects higher than the trigger condition below, the com- pressor is stopped.

  • Page 160: Operation

    8-8. High temperature and high pressure release control The compressor is controlled as follows. ¢ Models: AOHG09KMCEN, AOHG12KMCEN, and AOHG14KMCEN 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...
  • Page 161 5. FILED WORKING 2022.12.19 SR_CH05_AS085EG_01...
  • Page 162 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 ............05-8...

  • Page 163: Function Settings By Using Remote Controller

    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 164 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 165: 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 166: 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 167: 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 168 7) Cold air prevention This setting is to disable the cold air prevention function during heating operation. When disabled, the fan setting will always follow the setting on the remote controller. (Excluding defrost mode) Function number Setting value Setting description Factory setting Enable ♦...
  • Page 169 11) Indoor unit fan control for energy saving for cooling Enables or disables the power-saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation. Function number Setting value Setting description Factory setting Disable Enable Remote controller...

  • Page 170: 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.

This manual is also suitable for:

General ashg12kmcenGeneral ashg14kmcenGeneral aohg09kmcenGeneral aohg12kmcenGeneral aohg14kmcen