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Fujitsu AIRSTAGE ASEG07KETF Service Manual
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Fujitsu AIRSTAGE ASEG07KETF Service Manual

Fujitsu AIRSTAGE ASEG07KETF Service Manual

Wall mounted type
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AIR CONDITIONER
Wall mounted type
INDOOR
ASEG07KETF
ASEG09KETF
ASEG12KETF
ASEG14KETF
OUTDOOR
AOEG07KETA
AOEG09KETA
AOEG12KETA
SERVICE MANUAL
ASEG07KETF-B
ASEG09KETF-B
ASEG12KETF-B
ASEG14KETF-B
AOEG14KETA
SR_AS093ES_03
2023.12.18

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Summary of Contents for Fujitsu AIRSTAGE ASEG07KETF

  • Page 1 AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASEG07KETF ASEG07KETF-B ASEG09KETF ASEG09KETF-B ASEG12KETF ASEG12KETF-B ASEG14KETF ASEG14KETF-B OUTDOOR AOEG07KETA AOEG14KETA AOEG09KETA AOEG12KETA SR_AS093ES_03 2023.12.18...
  • 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 © 2023 Fujitsu General Limited. All rights reserved.
  • Page 3 CONTENTS 1. GENERAL INFORMATION 2. TECHNICAL DATA AND PARTS LIST 3. TROUBLESHOOTING 4. CONTROL AND FUNCTIONS 5. FILED WORKING...
  • Page 5 1. GENERAL INFORMATION 2023.06.14 SR_CH01_AS093ES_02...
  • Page 6 CONTENTS 1. GENERAL INFORMATION 1. Specifications....................01-1 1-1. Indoor units........................01-1 1-2. Outdoor units ........................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 units Wall mounted Type Inverter, Heat pump ASEG07KETF ASEG09KETF ASEG12KETF ASEG14KETF Model name ASEG07KETF-B ASEG09KETF-B ASEG12KETF-B ASEG14KETF-B Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 6,800 8,500 11,600 14,300...
  • Page 8 Wall mounted Type Inverter, Heat pump ASEG07KETF ASEG09KETF ASEG12KETF ASEG14KETF Model name ASEG07KETF-B ASEG09KETF-B ASEG12KETF-B ASEG14KETF-B Material PP+HDPE Drain hose Tip diameter Ø13.8 (I.D.), Ø15 to Ø16.8 (O.D.) °C 18 to 32 Cooling Operation range 80 or less Heating °C 16 to 30 Remote controller Wireless (Option: Wired, Mobile app*...
  • Page 9 1-2. Outdoor units Type Inverter, Heat pump Model name AOEG07KETA AOEG09KETA AOEG12KETA AOEG14KETA Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current Cooling 1,650 1,700 1,680 Airflow rate Heating 1,450 1,470 1,580 Type ×...
  • Page 10 2. Dimensions 2-1. Indoor unit ¢ Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF- B, and ASEG14KETF-B Unit: mm 373.5 417.5 (950) Outline of indoor unit for pipe inlet Ø65 for pipe inlet Ø65 - (01-4) - 2-1. Indoor unit 2.
  • Page 11  Installation space requirement Provide sufficient installation space for product safety. Unit: mm 40 or more 40 or more Wall hook bracket Outline of the indoor unit 166 or more 211 or more 1,500 or more The flare connection part should be installed outdoors.
  • Page 12 2-2. Outdoor unit ¢ Models: AOEG07KETA, AOEG09KETA, and AOEG12KETA 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.
  • Page 13 ¢ Model: AOEG14KETA 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 - (01-8) - 2-2. Outdoor unit 2. Dimensions...
  • Page 15 2. TECHNICAL DATA AND PARTS LIST 2023.12.18 SR_CH02_AS093ES_03...
  • Page 16 CONTENTS 2. TECHNICAL DATA AND PARTS LIST 1. Precautions....................02-1 2. Indoor unit parts list..................02-2 2-1. Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF-B, and ASEG14KETF-B ..........02-2 3. Outdoor unit parts list.................02-6 3-1. Models: AOEG07KETA, AOEG09KETA, and AOEG12KETA ........02-6 3-2. Model: AOEG14KETA ....................02-10 4.
  • 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 2. Indoor unit parts list 2-1. Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF-B, and ASEG14KETF-B ¢ Exterior parts - (02-2) - 2-1. Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, 2. Indoor unit parts list ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF-B, and ASEG14KETF-B...
  • Page 19 Item no. Part no. Part name Service part 9387480023 Bracket panel ♦ 9387471007 Louver spring ♦ 9333608006 Bush ♦ 9387714036 Stepping motor holder assy ♦ 9901011047 Stepping motor ♦ 9387590166 Drain pan total assy ♦ 9333766072 Blow panel assy (07—14KETF) ♦...
  • Page 20 ¢ Base, evaporator, and control - (02-4) - 2-1. Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, 2. Indoor unit parts list ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF-B, and ASEG14KETF-B...
  • Page 21 Item no. Part no. Part name Service part 9387587098 Base assy (07—14KETF) ♦ 9387587104 Base assy (07—14KETF-B) ♦ 9383765056 WLAN adapter holder assy ♦ 9384563040 WLAN adapter ♦ 9711732781 Main PCB (07 model) ♦ 9711732798 Main PCB (09 model) ♦ 9711732804 Main PCB (12 model) ♦...
  • Page 22 3. Outdoor unit parts list 3-1. Models: AOEG07KETA, AOEG09KETA, and AOEG12KETA ¢ Exterior parts and chassis - (02-6) - 3-1. Models: AOEG07KETA, AOEG09KETA, and AOEG12KETA 3. Outdoor unit parts list...
  • Page 23 Item no. Part no. Part name Service part 9322556103 Top panel assy ♦ 9709687581 Main PCB (07 model) (Service unit) ♦ 9709687598 Main PCB (09 model) (Service unit) ♦ 9709687604 Main PCB (12 model) (Service unit) ♦ 9900435028 Terminal 6P ♦...
  • Page 24 ¢ Compressor - (02-8) - 3-1. Models: AOEG07KETA, AOEG09KETA, and AOEG12KETA 3. Outdoor unit parts list...
  • Page 25 Item no. Part no. Part name Service part 9322423009 Compressor assy (07-09 models) ♦ 9322425003 Compressor assy (12 model) ♦ 9322392008 4-way valve assy ♦ 9970110153 Solenoid ♦ 9970095153 Expansion valve coil ♦ 9322403018 Pulse motor valve ♦ 9322474025 2-way valve assy ♦...
  • Page 26 3-2. Model: AOEG14KETA ¢ Exterior parts and chassis - (02-10) - 3-2. Model: AOEG14KETA 3. Outdoor unit parts list...
  • Page 27 Item no. Part no. Part name Service part 9322556028 Top panel assy ♦ 9322811011 Protective net assy ♦ 9322552020 Cabinet right assy ♦ 9322570000 Switch cover assy ♦ 9900435028 Terminal 6P ♦ 9709687611 Main PCB (Service unit) ♦ 9900727062 Thermistor assy ♦...
  • Page 28 ¢ Compressor - (02-12) - 3-2. Model: AOEG14KETA 3. Outdoor unit parts list...
  • Page 29 Item no. Part no. Part name Service part 9322427007 Compressor assy ♦ 9322444011 4-way valve assy ♦ 9970110160 Solenoid ♦ 9970095122 Expansion valve coil ♦ 9322463005 Pulse motor valve assy ♦ 9322474001 2-way valve assy ♦ 9322475008 3-way valve assy ♦...
  • Page 30 4. Accessories 4-1. Indoor unit ¢ Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF- B, and ASEG14KETF-B Part name Exterior Part name Exterior Operation manual Cloth tape Operation manual Self-tapping screw (CD-ROM) (large) Self-tapping screw Installation manual (small) Remote controller Wall hook bracket Battery Filter holder...
  • Page 31 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 Wire type: Non-polar 2-wire UTY-RNRYZ* Controller Optional Communication Kit is necessary for installation.
  • Page 32 ¢ Others Exterior Part name Model name Summary Use to connect with various peripheral devices and air conditioner PCB. External UTY-XWZX Connect Kit Connecting point: CN46 and CN47 on Main PCB Required when external device is connected. External UTY-XWZXZ5 Connect Kit Connecting point: CN46 and CN47 on Main PCB Use to connect with external devices...
  • Page 33 6. Refrigerant system diagrams 6-1. Models: AOEG07KETA, AOEG09KETA, and AOEG12KETA Heat exchanger 3-way 2-way (INDOOR) valve valve Muffler 4-way valve Strainer Expansion valve Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature) : Thermistor (Room temperature) - (02-17) -...
  • Page 34 6-2. Model: AOEG14KETA Heat exchanger 3-way 2-way (INDOOR) valve valve Muffler Muffler 4-way valve Strainer Expansion valve Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature) : Thermistor (Room temperature) - (02-18) - 6-2.
  • Page 35 7. Wiring diagrams 7-1. Indoor unit ¢ Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF- B, and ASEG14KETF-B - (02-19) - 7-1. Indoor unit 7. Wiring diagrams...
  • Page 36 7-2. Outdoor unit ¢ Models: AOEG07KETA, AOEG09KETA, AOEG12KETA, and AOEG14KETA - (02-20) - 7-2. Outdoor unit 7. Wiring diagrams...
  • Page 37 8. PC board diagrams 8-1. Models: ASEG07KETF, ASEG09KETF, ASEG12KETF, ASEG14KETF, ASEG07KETF-B, ASEG09KETF-B, ASEG12KETF-B, and ASEG14KETF-B CONTROL UNIT 07 model : EZ-0210SHSE 09 model : EZ-0210THSE 12 model : EZ-0210WHSE 14 model : EZ-0210YHSE OPTION (2-WIRE REMOTE CONTROLLER UNIT) TERMINAL JXO-T3102-3P-B UTY-TWRXZ2 AWG22 AWG22...
  • Page 38 8-2. Models: AOEG07KETA, AOEG09KETA, AOEG12KETA, and AOEG14KETA INVERTER ASSEMBLY EZ-0192KHUE REACTOR 13mH 8A EMI FILTER TR-28-16-13 EMI FILTER EMI FILTER 1 TURN Winding Resistance (07,09,12 models) GRFC-8 GRFC-8 TO INDOOR UNIR 2 TURNS 1 TURNE UL3271 AWG16 COMPRESSOR W400 2.180 UL1015 AWG20 W103 UL3271 AWG16...
  • Page 39 3. TROUBLESHOOTING 2023.06.14 SR_CH03_AS093ES_02...
  • Page 40 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 41 CONTENTS (continued) 4-2. Network communication error between wireless LAN router and wireless LAN adapter .............................03-56 4-3. E: 18. Communication error..................03-58 4-4. E: 18. Wireless LAN adapter non-energized..............03-60 4-5. Mobile app setting method....................03-61 5. Service parts information .................03-63 5-1. Compressor........................03-63 5-2.
  • Page 43 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 44 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 45 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 46 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 47 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 48 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 49 ¢ Error message list • Registration error Cause Error Error message code Solution Communication failed. After Communication with the air conditioner failed. checking the following Check the following contents depending on the status of indoor contents, please try again unit wireless LAN indicator lamp or WLAN Adapter LED 2 and after a while.
  • Page 50 Cause Error Error message code Solution WLAN adapter password is Failed because the smartphone could not connect to the air wrong. Enter it again. conditioner. Check the following contents depending on the status of indoor When problems are not unit wireless LAN indicator lamp or WLAN Adapter LED 2 and resolved, there may be other operate again.
  • Page 51 Cause Error Error message code 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 Air conditioner registration conditioner, wait for about 5 minutes before registering it.
  • Page 52 Cause Error Error message code Solution Registration may have failed because a problem occurred in communication with the server (cloud). 2944 Communication failed. Wait for a while and then operate again. The connected air conditioner Your air conditioner does not support Direct Control. 2946 cannot use the Direct control.
  • Page 53 • Sign in error Cause Error Error message code Solution Various settings could not be completed because Communication failed. After 4010 communication with the server (cloud) failed. checking the following 4410 contents, please try again after Check the following contents and operate again. a while.
  • Page 54 Cause Error Error message code Solution User information or temperature unit information could not be Loading of user information obtained because communication with the server (cloud) failed. failed. Check the following Check the following contents and operate again. contents. 4420 1.
  • Page 55 • General error Cause Error Error message code Solution 0100 Communication with the air conditioner failed. 0200 0300 0400 Check the following contents depending on the status of indoor 0500 unit wireless LAN indicator lamp or WLAN Adapter LED 2 and operate again.
  • Page 56 Cause Error Error message code Solution The outdoor unit low noise timer 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 57 Cause Error Error message code 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 58 Cause Error Error message code 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 59 Cause Error Error message code 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 60 Cause Error Error message code 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 61 Cause Error Error message code Solution Various settings could not be completed because Failed to update the screen. communication with the server (cloud) failed. After checking the following contents, please try again after Check the following contents and operate again. a while.
  • Page 62 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 63 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 64 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 receive the serial signal Detective actuator Fan motor from indoor unit more than 10 seconds.
  • Page 65 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 66 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 67 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 68 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 69 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 70 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 71 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 72 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 73 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 74 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 75 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 76 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 77 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 78 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. ↓ - (03-36) - 2-14.
  • Page 79 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 80 2-16. E: 73. Outdoor unit heat exchanger liquid outlet 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 81 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 82 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 83 2-19. E: 94. Over current error (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 84 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 85 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 86 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 87 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 03-63. • Solenoid coil Remove from PCB and check the resistance value of coil. Resistance value is 1.88 to 2.29 kΩ (at 20°C).
  • Page 88 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 89 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. ↓ - (03-47) - 2-23. E: A1. Discharge temperature error (Outdoor unit) 2.
  • Page 90 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 91 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 92 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 93 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 94 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 95 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 96 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 97 4. Troubleshooting with error code (For wireless LAN adapter) 4-1. E: 18. External communication error between indoor unit and wireless LAN adapter Operation indicator 1 time flash Timer indicator 8 time flash Economy indicator Continuous flash Indoor unit Indicator Wireless LAN Flashing slowly indicator Error code...
  • Page 98 4-2. Network communication error between wireless LAN router and wireless LAN adapter Operation indicator No indication Timer indicator No indication Economy indicator No indication Indoor unit Indicator Wireless LAN Flashing slowly indicator Error code — Mobile app No indication Wireless LAN router When the not connection between wireless LAN adapter and wireless LAN router.
  • Page 99 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 100 4-3. E: 18. Communication error Operation indicator 1 time flash Timer indicator 8 time flash Economy indicator Continuous flash Indoor unit Indicator Wireless LAN Flashing slowly indicator Error code E: 18 Mobile app E: 18.1 Wireless LAN router When the external communication error between indoor unit and wireless LAN adapter and network Wireless LAN adapter PCB communication error between wireless LAN router and...
  • Page 101 Check point 4. Check the connection cable Check the connection cable on the wireless LAN router. -> If there is loose connector, open cable or mis-wiring, correct it. ↓ Check point 5. Check the connection status. Check the connection status to the Internet and wireless LAN router. ->...
  • Page 102 4-4. E: 18. Wireless LAN adapter non-energized Operation indicator 1 time flash Timer indicator 8 time flash Economy indicator Continuous flash Indoor unit Indicator Wireless LAN No indication indicator Error code E: 18 Mobile app No indication Indoor unit controller PCB When the voltage (DC 12 V) does not output from the Detective actuator controller PCB.
  • Page 103 4-5. 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 104 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. - (03-62) - 4-5. Mobile app setting method 4. Troubleshooting with error code (For wireless LAN adapter)
  • Page 105 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 106 5-2. Inverter compressor Check point 1. Check connection • Check terminal connection of compressor (loose or incorrect wiring) W(C) V(S) (BLACK) (WHITE) Main PCB U(R) (RED) • Check terminal connection of main PCB (loose or incorrect wiring) Main PCB W400(U) W401(V) W402(W) BLACK WHITE...
  • Page 107 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 02-19. Check point 2.
  • Page 108 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 109 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 110 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 111 5-6. Reactor assy Check point 1. Appearance check No fissures, breaks, damage, etc. at the body and winding section, terminals section? Check point 2. Electric check • Set the tester to the "Resistance" mode, and check for open/short between both ends of the reactor wire (or connector).
  • Page 112 5-7. 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 113 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 114 6-2. Outdoor unit ¢ Discharge temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 1,013.1 0.06 -25.0 729.1 0.09 -20.0 531.6 0.12 -15.0 392.3 0.16 -10.0 292.9 0.21 -5.0 221.1 0.28 168.60 0.36 129.8 0.46 10.0 100.9 0.57 15.0 79.1 0.71 20.0 62.5...
  • Page 115 ¢ Heat exchanger temperature thermistor Temperature (°C) Resistance (kΩ) Voltage (V) -30.0 95.58 0.24 -25.0 68.90 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 116 - (03-74) - 6-2. Outdoor unit 6. Thermistor resistance values...
  • Page 117 4. CONTROL AND FUNCTIONS 2023.01.31 SR_CH04_AS093ES_01...
  • Page 118 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 ........................04-5 1-4. Rotation number of compressor at normal start-up ............04-6 1-5. Limitation of compressor rotation number by outdoor temperature.........04-8 2.
  • Page 119 CONTENTS (continued) 8-7. High temperature and high pressure release control ............04-35...
  • Page 121 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 122 • 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 123 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 124 • Limit of maximum speed based on outdoor temperature In heating operation, maximum rotation number is defined by outdoor temperature and fan mode. Outdoor temperature rises Outdoor temperature drops C zone 19°C 17°C B zone 14°C 12°C A zone Unit: rps Outdoor Indoor unit fan mode Model name...
  • Page 125 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 126 1-4. Rotation number of compressor at normal start-up ¢ Models: AOEG07KETA and AOEG09KETA Rotation number of compressor soon after starting is controlled as below. Rotation number VII Rotation number VI Rotation number V Rotation number IV Rotation number III Rotation number II Rotation number I Time 1 Time 2...
  • Page 127 ¢ Model: AOEG14KETA Rotation number of compressor soon after starting is controlled as below. Rotation number VII Rotation number VI Rotation number V Rotation number IV Rotation number III Rotation number II Rotation number I Time 1 Time 2 Time 3 Time 4 Time 5 Time 6...
  • Page 128 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 129 • 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 ASEG07KETF A zone B zone ASEG07KETF-B C zone ASEG09KETF D zone ASEG09KETF-B...
  • Page 130 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 131 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 132 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 Fan mode ASEG07KETF ASEG09KETF ASEG12KETF ASEG14KETF mode ASEG07KETF-B ASEG09KETF-B ASEG12KETF-B ASEG14KETF-B POWERFUL 1,210 1,250 1,270 1,360 HIGH...
  • Page 133 ¢ Fan operation Airflow can be switched in 5 steps such as AUTO, QUIET, LOW, MED, HIGH while indoor unit fan only runs. When fan mode is set at AUTO, it operates on MED fan speed. ¢ Cooling operation Switch the airflow AUTO, and indoor fan motor will run according to room temperature, as below. On the other hand, if switched in HIGH—QUIET, indoor motor will run at a constant airflow of COOL operation modes QUIET, LOW, MED, HIGH as shown in “Fan speed”...
  • Page 134 ¢ 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 135 • 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 136 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  Models: AOEG07KETA and AOEG09KETA Fan speed is defined by outdoor temperature and compressor frequency. •...
  • Page 137  Model: AOEG12KETA 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 138  Model: AOEG14KETA 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 139 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 140 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 141 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 142 ¢ 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 143 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 144 ¢ 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 145 ¢ 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 146 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 147 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 148 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 149 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 150 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 151 7-9. External electrical heater control The external electrical heater is operated as below. When the room Ts: Setting temperature temperature rises Heater : Off Ts -1°C Ts -3°C Heater : On Ts -10°C Ts -12°C Heater : Off When the room temperature drops NOTES: •...
  • Page 152 7-13. Outdoor unit low noise operation The outdoor unit low noise operation functions by OUTDOOR UNIT LOW NOISE button on the re- mote controller. This operation stops the PFC control, and changes the current value. Current Operation mode Trigger condition Release condition Cooling/Dry mode 1.9 A...
  • Page 153 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 154 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 155 8-7. High temperature and high pressure release control The compressor is controlled as follows. • Heating mode Indoor unit heat exchanger Indoor unit heat exchanger temperature rises temperature drops 63°C Zone A 55°C 53°C Zone B 50°C Zone C Zone D Stable zone Zone E Zone...
  • Page 156 - (04-36) - 8-7. High temperature and high pressure release control 8. Various protections...
  • Page 157 5. FILED WORKING 2023.06.14 SR_CH05_AS093ES_02...
  • Page 158 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 2. External input and output................05-9 2-1. External input........................05-10 2-2. External output ......................05-13 2-3. Setting of external input and output ................05-15 2-4.
  • Page 159 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 160 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 161 ¢ 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 Filter sign 30/31...
  • Page 162 2) Room temperature control for indoor unit sensor Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature of the room temperature sensor is corrected as follows: Corrected temp.
  • Page 163 3) Room temperature control for wired remote controller sensor Depending on the installed environment, correction of the wire remote temperature sensor may be required. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to Both “01”. Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
  • Page 164 6) 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 ♦ 7) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
  • Page 165 10) Switching functions for external output terminal Functions of the external output terminal can be switched. For details, refer to “External input and output”. Function number Setting value Setting description Factory setting Operation status ♦ 01—08 (Setting prohibited) Error status Indoor unit fan operation status (Setting prohibited) - (05-7) -...
  • Page 166 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 167 2. External input and output External Input and Output PCB Indoor unit PCB CN47 (Ext. out) CN65 (Ext. in/out PCB) CN46 (Ext. in) SW301 SW302 Rotary switch CN314 CN313 CN312 CN311 CN310 CN308 Connecting point Input/Output Function Input select Input signal Operation/Stop CN46 Input...
  • Page 168 2-1. External input With using external input function, some functions on this product can be controlled from an external device. • “Operation/Stop” mode or "Forced stop" mode can be selected with function setting of indoor unit. • A twisted pair cable should be used. Maximum length of cable is 150 m. •...
  • Page 169 ¢ 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 170 ¢ 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 (SW302) on the External Input and Output PCB.
  • Page 171 2-2. 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 172 ¢ 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 173 2-3. Setting of external input and output • Indoor unit Input Connection point Function setting number 46 Function Operation/Stop mode 1 (R.C. enabled) (Setting prohibited) CN46 Forced stop mode Operation/Stop mode 2 (R.C. disabled) Output Connection point Function setting number 60 Function Operation/Stop 01 to 08...
  • Page 174 2-4. 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 Off → On Operation — Input of indoor unit CN46 On →...
  • Page 175 ¢ 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 Off → On (R.C. disabled) — Input of indoor unit CN46 Normal On → Off (R.C.
  • Page 176 ¢ 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 Off → On (R.C. enabled) — Input of indoor unit CN46 Stop On → Off (R.C.
  • Page 177 ¢ Forced thermostat off External Input and Output External input Input signal Command Rotary switch Off → On Thermostat off External Input and 2, B, C, D CN313 Output PCB On → Off Normal operation CN313 Compressor Room temp. Set temp. - (05-19) - 2-4.
  • Page 178 2-5. Details of control output function ¢ Operation status External Input and Function Output PCB External output Output signal Status setting Rotary switch Off → On Operation 60-00 1, 2 Output of indoor unit CN47 On → Off Stop Off → On Operation External Input and —...
  • Page 179 ¢ Indoor unit fan operation status External Input and Function Output PCB External output Output signal Status setting Rotary switch Off → On Fan run 60-10 Output of indoor unit CN47 On → Off Fan stop Off → On Fan run External Input and —...

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