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Fujitsu AOHG07KGCA, Service Manual

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Notices:

• Product specifications and design are subject to change without notice for future improvement.

• For further details, please check with our authorized dealer.

Trademarks

FGLair

™

 is trademark of Fujitsu General Limited in the United States, other countries or both.

Google Play

™

 is trademark of Google Inc.

App Store

®

 is a service mark of Apple Inc., registered in the U.S. and other countries.

Copyright © 2022 Fujitsu General Limited. All rights reserved.

Summary of Contents for AOHG07KGCA

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASHG07KGTE ASHG09KGTE ASHG12KGTE ASHG14KGTE OUTDOOR AOHG07KGCA AOHG09KGCA AOHG12KGCA AOHG14KGCA SR_AS069EG_02 2022 03 30 ...

Page 2: ...please check with our authorized dealer Trademarks FGLair is trademark of Fujitsu General Limited in the United States other countries or both Google Play is trademark of Google Inc App Store is a service mark of Apple Inc registered in the U S and other countries Copyright 2022 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 4: ......

Page 5: ...1 GENERAL INFORMATION 2022 3 11 SR_CH01_AS069EG_01 ...

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: ...GH 41 42 44 MED 35 36 38 39 LO 31 33 QUIET 21 24 Heat exchanger type Dimensions H D mm Main1 210 670 26 6 Main2 112 670 20 Main1 210 670 26 6 Main2 112 670 20 Sub 84 670 13 3 Fin pitch Man1 1 2 Main2 1 1 Man1 1 2 Main2 1 1 Sub 1 4 Rows Stages Main1 2 10 Main2 2 7 Main1 2 10 Main2 2 7 Sub 1 4 Pipe type Copper Fin type Aluminum Enclosure Material Polystyrene Color hite Pearl white painted Approximat...

Page 8: ... 5 35 C 3 4 35 C 4 2 35 C Heating Average 2 3 10 C 2 4 10 C 2 5 10 C 4 0 10 C SEER Cooling k h k h 9 1 9 2 8 3 SCOP Heating Average 5 3 5 2 4 5 Annual energy consumption QCE k h a 77 95 129 177 QHE Average 607 645 672 1 242 Sound power level Cooling HIGH dB A 54 55 56 57 Heating 56 57 58 59 1 1 Indoor units 01 2 1 Specifications GENERAL INFORMATION GENERAL INFORMATION ...

Page 9: ...Beige Approximate color of Munsell 10 R 7 5 1 0 Dimensions H D Net mm 542 799 290 Gross 602 940 375 eight Net kg 30 31 32 Gross 34 35 36 Connection pipe Size Liquid mm in Ø 6 35 Ø 1 4 Gas Ø 9 52 Ø 3 8 Method Flare Pre charge length m 15 Max length 20 Max height difference 15 Operation range Cooling C 10 to 46 Heating 15 to 24 Drain hose Material PP Size mm Ø 13 0 I D Ø 16 0 to Ø 16 8 O D NOTES Spe...

Page 10: ...HG09KGTE ASHG12KGTE and ASHG14KGTE 834 344 356 327 113 327 67 62 50 62 84 43 270 43 Outline of indoor unit for pipe inlet Ø65 for pipe inlet Ø65 834 215 3 0 270 373 5 417 5 448 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 11: ...safety Unit mm 50 or more 71 or more The flare connection part should be installed outdoors 40 or more 70 or more 107 or more 1 500 or more 1 800 or more 183 or more Wall hook bracket Outline of the indoor unit 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...3 Pitch of bolts for installation Pitch of bolts for installation Top view 4 M10 hole Side view Side view Front view 799 68 290 16 33 30 19 542 20 Airflow Bottom view Side view Valve part 37 399 Drain port Ø42 184 120 180 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ...2 TECHNICAL DATA AND PARTS LIST 2022 3 11 SR_CH02_AS069EG_01 ...

Page 14: ...CA 02 6 4 Accessories 02 10 4 1 Indoor unit 02 10 4 2 Outdoor unit 02 10 5 Optional parts 02 11 5 1 Indoor unit 02 11 6 Refrigerant system diagrams 02 13 6 1 Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 02 13 7 Wiring diagrams 02 14 7 1 Indoor unit 02 14 7 2 Outdoor unit 02 15 8 PC board diagrams 02 16 8 1 Models ASHG07KGTE ASHG09KGTE ASHG12KGTE and ASHG14KGTE 02 16 8 2 Models AOHG07KGCA...

Page 15: ...s working in the local area shall be instructed on the nature of work being carried out ork in confined spaces shall be avoided The area around the workspace shall be sectioned off Ensure that the conditions within the area have been made safe by control of flammable ma terial Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components Do not to...

Page 16: ...KGTE ASHG12KGTE and ASHG14KGTE Exterior parts 17 1 3 5 7 8 12 15 18 16 11 4 13 19 20 21 a 6 8 22 14 2 9 10 2 1 Models ASHG07KGTE ASHG09KGTE ASHG12KGTE and ASHG14KGTE 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 17: ...78051 Under cover R 12 9384977113 Front panel total assy 13 9333704005 Grille clamper R 14 9387756029 Intake grill assy 15 9333719009 Grille clamper L 16 9387473001 Air filter 17 9387477054 Under cover L 18 9387471007 Louver spring 19 9316177017 Drain cap 20 9316904002 Drain hose assy 21 9318912005 Remote controller holder 22 9352446108 Remote controller a Front panel 2 1 Models ASHG07KGTE ASHG09K...

Page 18: ...l 63 62 64 65 67 66 69 68 70 54 a b c 55 d 56 57 58 61 e 59 60 50 51 51 52 53 53 2 1 Models ASHG07KGTE ASHG09KGTE ASHG12KGTE and ASHG14KGTE 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 19: ...3768003 DC fan motor For 07 and 09 model 9603631017 DC fan motor For 12 and 14 model 64 9387713022 Motor cover assy 65 9317250009 Air clean filter assy 66 9387593334 Evaporator total assy For 07 and 09 model 9387593426 Evaporator total assy For 12 and 14 model 67 9900627041 Thermistor assy 68 9387467000 Room thermistor holder 69 9333628004 Bearing D assy 70 9387055047 Crossflow fan assy 9709626054...

Page 20: ...CA AOHG12KGCA and AOHG14KGCA Exterior parts and Chassis 1 2 3 4 14 16 12 17 18 19 20 a 15 9 5 7 8 11 10 13 6 3 1 Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ... 9900727062 Thermistor assy For 07 and 09 model 9900849016 Thermistor assy For 12 and 14 model 10 9900583019 Reactor assy For 07 09 and 12 model 9900963019 Reactor assy For 14 model 11 9322418005 Heat sink 12 9322314000 Base assy 13 9322144003 Drain pipe 14 9319157009 Emblem 15 9322135001 Blow grille 16 9322555014 Front panel assy 17 9322136008 Propeller fan 18 9603553005 DC fan motor 19 932255301...

Page 22: ...mpressor 50 51 52 53 54 55 a 56 b A A 60 59 57 61 62 58 3 1 Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...motor valve assy 55 9322474001 2 way valve assy 56 9322475008 3 way valve assy 57 9322535009 Sound insulator B 58 9322536006 Sound insulator F 59 9322537003 Sound insulator H 60 9323045002 Sound insulator V 61 9322386007 Cushion rubber 62 9313437008 Nut special assy a Valve bracket b Muffler 3 1 Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 02 9 3 Outdoor unit parts list TECHNICAL DATA AN...

Page 24: ... 5 Installation manual 1 Tapping screw small 2 Remote controller 1 all hook bracket 1 Battery 2 Filter holder 2 Remote controller holder 1 Air cleaning filters 1 4 2 Outdoor unit Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain pipe 1 4 1 Indoor unit 02 10 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AN...

Page 25: ...e type Non polar 2 wire Optional communication kit is necessary for installation Simple remote controller UT RSRG Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode ire type Non polar 2 wire Optional communication kit is necessary for installation Simple remote controller UT RHRG Compact remote controller concentrates...

Page 26: ...option For details contact FGL sales company Connecting point Main PCB via USB connector Modbus converter UT VMS For connection between indoor unit with UART interface and a Modbus open network Connecting point CN65 on Main PCB KN converter UT VKS For connection between indoor unit with UART interface and a KN open network Connecting point CN65 on Main PCB Network converter UT VTG This converter i...

Page 27: ... OUTDOOR Compressor Cooling Heating ThD ThR ThPI ThO ThHO Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat exchanger out temperature ThD ThO ThHO Thermistor Room temperature ThR Thermistor Pipe temperature ThPI Muffler 6 1 Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 02 13 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS ...

Page 28: ...7 Wiring diagrams 7 1 Indoor unit Models ASHG07KGTE ASHG09KGTE ASHG12KGTE and ASHG14KGTE 7 1 Indoor unit 02 14 7 iring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ...7 2 Outdoor unit Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 7 2 Outdoor unit 02 15 7 iring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 30: ...TE 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 CN9 B10B PASK 1 WHITE CN200 S10B PASK 2 WHITE INDICATOR PCB K18RB 1800HSE D0 DC12V DC5V RED WHITE BLACK YELLOW BLUE RED ORANGE YELLOW PINK BLUE 7 6 5 4 1 5 4 3 2 1 CN5 B5 7 2 3 B XASK 1 A WHITE CN7 B05B PLISK 1 WHITE LOUVER UP DOWN DC FAN MOTOR FM M DC340V DC15V GND_A2 DC12V E1 CN14 B3 5 0 B XASK 1 A WHITE 5 4 3 2 1 EARTH AWG22 WHITE AWG22 BLACK AWG22 R...

Page 31: ...t Lead wire color Red Black White Yellow Brown 2 7 CN650 DC Fan Motor P1 Thermistor Characteristics 0 20 30 Thermistor Thermistor Discharge temp 168 60 k 0 36 V Temperature 62 55 k 0 86 V 40 01 k 1 23 V Thermistor Characteristics 0 20 30 Thermistor Thermistor Outdoor temp 35 21 k 2 61 V Temperature 12 64 k 3 76 V 7 97 k 4 14 V P5 Thermistor Pipe temp 16 05 k 1 14 V 5 98 k 2 21 V 3 84 k 2 77 V DC5V...

Page 32: ...8 2 Models AOHG07KGCA AOHG09KGCA AOHG12KGCA and AOHG14KGCA 02 18 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 33: ...3 TROUBLESHOOTING 2022 03 25 SR_CH03_AS069EG_01 ...

Page 34: ...cuit wired remote controller error 03 16 2 13 E 41 Room temperature sensor error Indoor unit 03 17 2 14 E 42 Indoor unit heat exchanger sensor error Indoor unit 03 18 2 15 E 51 Indoor unit fan motor error Indoor unit 03 19 2 16 E 5U Indoor unit error 03 20 2 17 E 62 Outdoor unit main PCB error Outdoor unit 03 21 2 18 E 64 PFC circuit error Outdoor unit 03 22 2 19 E 65 IPM error Outdoor unit 03 23 ...

Page 35: ...compressor 03 44 4 3 Outdoor unit Electronic Expansion Valve EEV 03 45 4 4 Indoor unit fan motor 03 47 4 5 Outdoor unit fan motor 03 48 5 Thermistor resistance values 03 49 5 1 Indoor unit 03 49 5 2 Outdoor unit 03 50 CONTENTS continued ...

Page 36: ......

Page 37: ...ized error is only displayed during the 3 min utes ST state period Start the operation and then press the TEST RUN button on the remote controller Press the MANUAL AUTO button on the indoor unit for 10 seconds or more Error memory display 2 minutes 20 seconds Starting operation and then Press TEST RUN button on the remote controller or Press MANUAL AUTO button on the indoor unit for 10 seconds or ...

Page 38: ...it 3 times 9 times Continuous 39 E 3A Indoor unit communication circuit wired remote controller error 3 times 10 times Continuous 3A E 41 Room temperature sensor error Indoor unit 4 times 1 times Continuous 41 E 42 Indoor unit heat exchanger sensor error Indoor unit 4 times 2 times Continuous 42 E 51 Indoor unit fan motor error Indoor unit 5 times 1 times Continuous 51 E 5U Indoor unit error 5 tim...

Page 39: ...utdoor unit fan motor failure Check point 1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the ...

Page 40: ...03 43 If outdoor fan motor is abnormal replace outdoor unit fan motor and main PCB If the checked parts are normal replace the main PCB End Check point 1 2 Check external cause such as noise Check the complete insulation of the grounding Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End 2 1 E 11...

Page 41: ...es error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 3 Check the...

Page 42: ...motor in Service parts informa tion on page 03 43 If indoor unit fan motor is abnormal replace indoor unit fan motor and main PCB End Check point 1 2 Check external cause such as noise Check the complete insulation of the grounding Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End 2 2 E 11 Seria...

Page 43: ...eck the connection Check any loose or removed connection between the main PCB to the AN adapter If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check the connection condition on the LAN adapter and the main PCB If there is loose con nector open cable or mis wiring Check point 2 Replace the LAN adapter If check point 1 do not improve t...

Page 44: ...inutes after power on Forecast of cause Indoor unit selection is incorrect Main PCB failure Check point 1 Check the total capacity of indoor units Check the total capacity of the indoor units If abnormal condition is found correct it referring to the installation manual or DESIGN TECH NICAL MANUAL Check point 2 Replace main PCB If check point 1 does not improve the symptom change main PCB End 2 4 ...

Page 45: ... indoor unit Forecast of cause Incorrect indoor unit is selected Check point 1 Check the type of indoor unit Check the type of the connected indoor unit If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANAL Check point 2 Replace main PCB If check point 1 do not improve the symptom replace main PCB of the outdoor unit End 2 5 E 23 Combination...

Page 46: ...heck the wire connection in the remote controller group For installation method refer to in stallation manual If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check point 2 rong remote controller group setting The given address number by auto setting 00 and the manual set number except 00 are not existing in one remote controller group...

Page 47: ...r remote controller Number of indoor unit or remote controller in remote controller group Indoor unit main PCB failure Check point 1 ire installation rong number of connected indoor unit If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check point 2 Check indoor unit main PCB Check if main PCB is damaged Change main PCB and check the e...

Page 48: ...Check any shortage or corrosion on PCB Check point 3 Replace main PCB Change main PCB End Check point 1 2 Check external cause such as noise Check if the ground connection is proper Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End NOTE EEPROM EEPROM Electronically Erasable and Programmable Read...

Page 49: ...ht drop off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around the motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check indoor unit fan motor Check indoor unit fan motor Refer to indoor unit fan motor in Service part...

Page 50: ...orecast of cause MANUAL AUTO button failure Controller PCB and indicator PCB failure Check point 1 Check the MANUAL AUTO but ton If MANUAL AUTO button is disabled on off switching replace it Check if MANUAL AUTO button is kept pressed Check On Off switching operation by using a meter Check point 2 Replace main PCB and indicator PCB If Check Point 1 does not improve the symptom change main PCB and ...

Page 51: ...me circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 2 Check connection of Connector Check if connector is removed Check erroneous connectio...

Page 52: ...Communication PCB defective Indoor unit main PCB defective Check point 1 Check the connection of terminal After turning off the power supply check and correct the followings Indoor unit Check the connection the communication PCB and the main PCB Check Point 2 Replace the communication PCB If the Check point 1 is ok replace the communication PCB Check Point 3 Replace the main PCB If condition is do...

Page 53: ...et power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the room thermistor resistance value refer to Thermistor resistance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each indoor unit and check...

Page 54: ...is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the heat exchanger thermistor resistance value refer to Thermistor resis tance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each...

Page 55: ...ate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check indoor unit fan motor Check Indoor ...

Page 56: ...utdoor unit E 26 Address setting error in wired remote controller Indoor unit E 29 Connected unit number error Indoor unit E 32 Indoor unit main PCB error Indoor unit E 33 Indoor unit motor electricity consumption detection error Indoor unit E 35 MANUAL AUTO button error Indoor unit E 39 Indoor unit power supply error for fan motor Indoor unit E 3A Indoor unit communication circuit wired remote co...

Page 57: ...ary open voltage drop Main PCB failure Check point 1 Reset power supply and operate If no go to Check point 1 2 Does error indication show again Check point 2 Replace main PCB Change main PCB End Check point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generat ed Check if ground is connection correctly or there are no related cables nea...

Page 58: ... if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 2 Check connection of Connector C...

Page 59: ...d Compressor failure Main PCB failure Check point 1 Check connections of outdoor unit electrical components Check if the terminal connection is loose Check if connector is removed Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check point 2 Check outdoor fan and heat exchanger Is there anything obstructing the air distribution ...

Page 60: ...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 End 2 19 E 65 IPM error Outdoor unit 03 24 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 61: ...thermistor cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the discharge temperature thermistor resistance value refer to Thermistor resistance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure ...

Page 62: ...mistor cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Page 63: ...tor cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor temperature thermistor resistance value refer to Thermistor re sistance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit ...

Page 64: ...onents Upon correcting the removed connector or mis wiring reset the power Check if the terminal connection is loose Check if connector is removed Check erroneous connection Check if cable is open Check point 3 Replace main PCB If Check point 1 2 do not improve the symptom change main PCB End Check point 1 2 Check external cause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if the...

Page 65: ...er on heat exchanger excessive rise of ambient temperature Main PCB failure Inverter compressor failure lock winding short Check point 1 Check the outdoor unit fan operation heat exchanger ambient temperature No obstructions in air passages Heat exchange fins clogged Outdoor unit fan motor check Ambient temperature not raised by the effect of other heat sources Discharged air not sucked in Check p...

Page 66: ...onents Main PCB failure Compressor failure Check point 1 Check Noise from Compressor Turn on Power and check operation noise If an abnormal noise show replace compres sor Check point 2 Check connection of around the compressor components For compressor terminal main PCB Check if connector is removed Check erroneous connection Check if cable is open Refer to inverter compressor in Service parts inf...

Page 67: ...ed off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check outdoor unit fan motor Check outdoor unit fan motor Refer to outdoor unit fan motor in Service parts info...

Page 68: ...ger temperature thermistor Room temperature thermistor 4 way valve Forecast of cause Connector connection failure Thermistor failure Coil failure 4 way valve failure Main PCB failure Check point 1 Check connection of connector Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Check point 2 ...

Page 69: ...t 20 C If it is open or abnormal resistance value replace solenoid coil 4 way valve Check each piping temperature and the location of the valve by the temperature difference If the value location is not proper replace 4 way valve Check point 4 Replace main PCB If Check Point 1 to 4 do not improve the symptom replace main PCB End 2 27 E 99 4 way valve error Outdoor unit 03 33 2 Troubleshooting with...

Page 70: ...the 3 way valve For heating operation check liquid side of the 3 way valve Check point 2 Check any of the electronic expansion valve EEV capillary tube or strainer or all Check if EEV open or there is a capillary tube defect Refer to outdoor unit Electrronic Expansion Valve EEV or Capillary tube in Service parts in formation on page 03 43 Check the strainer clogging Check point 3 Check the outdoor...

Page 71: ...the refrigerant leakage Check point 6 Replace main PCB If check point 1 to 5 do not improve the symptom replace the main PCB End 2 28 E A1 Discharge temperature error Outdoor unit 03 35 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 72: ...er sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check electrical components Check the voltage of power supply Check if AC 207 to 253 V appears at outdoor unit terminal L N If no go to Check point 1 and Check point 2 Check fuse in fi...

Page 73: ...ausing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check electrical components Check the voltage of power supply Check if AC 207 to 253 V appears at outdoor unit terminal L N If no go to Check point 1 and Check point 2 Check fuse in main PCB If fuse is open check if the wiring between termina...

Page 74: ...t drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check wired remote ...

Page 75: ...heck connection pipe specified pipe length and pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 5 Check Refrigeration cycle Check if strainer is clogged Refer to the figure below Measure gas pressure and if there is a leakage correct it Check if EEV open or the...

Page 76: ...nd 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 Pipe In Pipe Out 3 4 No cooling No heating 03 40 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 77: ...grille and front panel normal Is main unit installed in stable condi tion Is fan guard installed normally Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation End Check if vibration noise by loose bolt or contact noise of piping is happening Is ...

Page 78: ... in stable condi tion Is main unit broken or deformed at the time of transportation or maintenance Is the filter clogged Is drain hose connection loose Is there a trap in drain hose Is drain hose clogged Check gas pressure and cor rect it if there was a gas leak MPa MPa Is fan rotating End End 3 6 ater leaking 03 42 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 79: ...compressor is con sidered Locked compressor due to clogged dirt or less oil Is gas pipe valve open Low pressure is too low Defective compressor can be considered due to inside dirt clogging or broken component Replace compressor Check if refrigerant is leaking MPa MPa Replace compressor End Check if strainer is clogged Refer to outdoor EEV or capillary tube in this chap ter End Check main PCB conn...

Page 80: ...W Compressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 975 Ω at 25 C U R W C V S RED WHITE BLACK If the resistance value is 0 Ω or infinite replace compressor Check point 3 Replace inverter PCB If check point 1 to 2 do not improve the symptom replace main PCB 4 2 Inverter compressor 03 44 4 Service parts inform...

Page 81: ... point 3 Check voltage from main PCB Remove connector and check voltage DC 12 V If it does not appear replace main PCB Check point 4 Check noise at start up Turn on the power and check the operation noise If an abnormal noise does not show replace main PCB Check point 5 Check opening and closing operation of valve hen valve is closed it has a temp difference between inlet and outlet Pipe In Pipe O...

Page 82: ...let 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 Pipe In Pipe Out 4 3 Outdoor unit Electronic Expansion Valve EEV 03 46 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 83: ...er to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace indoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 hite Control voltage Vcc 6 ellow Speed command Vsp 7 Blue Feed back FG 4 4 Indoor unit fan motor 03 47 4 Ser...

Page 84: ...er to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace outdoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 hite Control voltage Vcc 6 ellow Speed command Vsp 7 Blue Feed back FG 4 5 Outdoor unit fan motor 03 48 4 S...

Page 85: ... 3 49 Heat exchanger temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 1 131 91 0 21 25 0 804 52 0 29 20 0 579 59 0 40 15 0 422 89 0 53 10 0 312 27 0 69 5 0 233 21 0 88 0 0 176 03 1 10 5 0 134 23 1 36 10 0 103 34 1 63 15 0 80 28 1 92 20 0 62 91 2 21 25 0 49 70 2 51 30 0 39 57 2 79 35 0 31 74 3 06 40 0 25 64 3 30 45 0 20 85 3 53 50 0 17 06 3 73 55 0 14 05 3 90 60 0 11 64 4 05 65 0 9...

Page 86: ...0 46 10 0 100 91 0 57 15 0 79 12 0 71 20 0 62 55 0 86 25 0 49 84 1 03 30 0 40 01 1 23 35 0 32 35 1 43 40 0 26 34 1 65 45 0 21 58 1 88 50 0 17 79 2 11 55 0 14 75 2 34 60 0 12 30 2 57 65 0 10 32 2 79 70 0 8 69 3 00 75 0 7 36 3 19 80 0 6 27 3 37 85 0 5 36 3 54 90 0 4 60 3 69 95 0 3 96 3 83 100 0 3 43 3 96 105 0 2 98 4 07 110 0 2 60 4 17 115 0 2 27 4 26 120 0 2 00 4 33 5 2 Outdoor unit 03 50 5 Thermis...

Page 87: ...0 78 56 0 71 20 0 62 14 0 87 25 0 49 54 1 04 30 0 39 79 1 23 35 0 32 19 1 44 40 0 26 22 1 66 45 0 21 49 1 89 50 0 17 73 2 12 55 0 14 71 2 35 60 0 12 27 2 57 65 0 10 29 2 79 70 0 8 68 3 00 75 0 7 35 3 19 80 0 6 26 3 38 85 0 5 35 3 54 90 0 4 60 3 69 95 0 3 96 3 83 100 0 3 43 3 96 105 0 2 98 4 07 110 0 2 60 4 17 115 0 2 28 4 26 120 0 2 00 4 33 5 2 Outdoor unit 03 51 5 Thermistor resistance values TRO...

Page 88: ... 3 68 55 0 1 42 3 85 60 0 1 19 4 00 65 0 1 00 4 13 70 0 0 84 4 25 75 0 0 71 4 35 80 0 0 61 4 43 Outdoor temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 224 33 0 73 25 0 159 71 0 97 20 0 115 24 1 25 15 0 84 21 1 56 10 0 62 28 1 90 5 0 46 58 2 26 0 0 35 21 2 61 5 0 26 88 2 94 10 0 20 72 3 25 15 0 16 12 3 52 20 0 12 64 3 76 25 0 10 00 3 97 30 0 7 97 4 14 35 0 6 40 4 28 40 0 5 18 4 4...

Page 89: ...4 CONTROL AND FUNCTIONS 2022 03 25 SR_CH04_AS069EG_01 ...

Page 90: ...4 23 6 1 Defrost operation in heating operation stopped 04 24 7 Various control 04 25 7 1 Auto restart 04 25 7 2 MANUAL AUTO operation 04 25 7 3 Forced cooling operation 04 26 7 4 10 C HEAT operation 04 26 7 5 ECONOM operation 04 26 7 6 PO ERFUL operation 04 27 7 7 Fresh air control 04 27 7 8 Compressor preheating 04 27 7 9 External electrical heater control 04 28 7 10 Electronic expansion valve c...

Page 91: ...8 6 High temperature and high pressure release control heating mode 04 32 CONTENTS continued ...

Page 92: ......

Page 93: ... is 1 0 C lower than a set temperature the compressor will be stopped hen the room temperature is within the range of 6 0 C to 1 0 C of the setting temperature the rotation number of compressor is controlled within the range shown in the table below Howev er the maximum rotation number is limited in the range shown in the figure below based on the indoor fan mode and the outdoor temperature Rotati...

Page 94: ...GTE A zone 62 36 24 18 B zone 62 36 24 18 C zone 62 36 24 18 D zone 44 34 22 16 E zone 44 34 22 16 F zone 44 34 22 16 ASHG09KGTE A zone 67 38 26 18 B zone 67 38 26 18 C zone 67 38 26 18 D zone 47 36 24 16 E zone 47 36 24 16 F zone 47 36 24 16 ASHG12KGTE ASHG14KGTE A zone 83 42 30 18 B zone 83 42 30 18 C zone 83 42 30 18 D zone 58 40 28 16 E zone 58 40 28 16 F zone 58 40 28 16 1 1 Cooling operation...

Page 95: ... number range of compressor Unit rps Model name Minimum frequency Maximum frequency ASHG07KGTE ASHG09KGTE ASHG12KGTE ASHG14KGTE 12 110 Limit of maximum speed based on outdoor temperature In heating operation maximum rotation number is defined by outdoor temperature and fan mode A zone 12 C B zone 14 C C zone 10 C 12 C Outdoor temperature rises Outdoor temperature drops Unit rps Model name Outdoor ...

Page 96: ...ol based on room temperature Ts 0 5 C Ts 1 5 C Ts 0 5 C Ts 1 5 C X zone J zone Y zone Room temperature drops Room temperature rises Ts Set temperature 1 4 Rotation number of compressor at normal start up Rotation number of compressor soon after starting is controlled as below Rotation number I Rotation number II Rotation number III Rotation number IV Rotation number V Rotation number VI Rotation n...

Page 97: ... Model name Outdoor temperature zone Limitation of compressor frequency AOHG07KGCA AOHG09KGCA AOHG12KGCA A zone 36 rps B zone 36 rps C zone 28 rps D zone 1 rps E zone 1 rps F zone 20 rps AOHG14KGCA A zone 36 rps B zone 36 rps C zone 28 rps D zone 20 rps E zone 1 rps F zone 20 rps 1 5 Rotation number of compressor limitation by outdoor temperature 04 5 1 Rotation number control of compressor CONTRO...

Page 98: ...KGCA AOHG09KGCA A zone 37 rps B zone 37 rps C zone 36 rps D zone 15 rps E zone 1 rps F zone 1 rps AOHG12KGCA AOHG14KGCA A zone 25 rps B zone 25 rps C zone 17 rps D zone 10 rps E zone 1 rps F zone 1 rps 1 5 Rotation number of compressor limitation by outdoor temperature 04 6 1 Rotation number control of compressor CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 99: ...le zone indoor unit operation mode is selected as below Same operation mode is selected as outdoor unit If outdoor unit is operating in cooling and heating mode indoor unit will be operated by the same operation mode Selected by outdoor temperature If outdoor unit is operating in other than cooling and heating mode indoor unit will be op erated according to the outdoor temperature as below Outdoor...

Page 100: ...ation Middle zone Operation mode of outdoor unit Cooling Outdoor temp 25 C Operation mode before the monitor mode is cooling mode Monitor mode Room temp Ts 2 C No Yes No Yes No Yes No Yes No No Operation mode of outdoor unit Heating Yes Yes No System stops or operation command other than auto changeover operation Yes No Yes No Thermostat remains in off state for 6 minutes or longer Yes No 04 8 2 A...

Page 101: ...S LO 400 400 470 470 Cooling Fan PO ERFUL 1 110 1 170 1 200 1 290 HIGH 1 040 1 100 1 130 1 220 MED 890 920 950 1 000 LO 750 750 790 810 QUIET 550 550 550 590 Soft quiet 470 1 470 1 490 1 510 1 S LO 400 2 400 2 470 2 470 2 Dry zone 550 J zone 550 zone 550 J zone 550 zone 550 J zone 550 zone 590 J zone 590 1 Fan mode only 2 Cooling mode only Fan operation Airflow can be switched in 6 steps such as A...

Page 102: ...ry 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 On the other hand if switched in HIGH QUIET the indoor motor will run at a constant airflow of HEAT operation modes QUIET LO MED HIGH as shown in Fan speed above Airflow change over H...

Page 103: ...oor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 28 C MED or setting fan mode LOW or setting fan mode Lower speed is selected 7 minutes later 42 C Indoor heat exchanger temperature rises HIGH or setting fan mode Indoor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 28 C MED or setting fan mode LOW or setting fan mode Lower speed is selected LOW or setting fan mode...

Page 104: ...30 C 37 C 34 C 32 C 28 C POWERFUL LOW LOW LOW 10 C HEAT operation Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops 39 C 34 C AUTO LOW Moisture return prevention control cooling and dry mode Switch the airflow AUTO at cooling mode and the indoor fan motor will run as shown below Compressor On Off Indoor fan setting airflow S LOW Off 10 30 60 180 60 180 60 10 30 sec In...

Page 105: ...ating Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone S HIGH2 1 070 S HIGH1 990 1 070 HIGH 990 1 070 10 780 9 990 780 990 990 990 990 8 800 780 730 630 300 280 7 800 780 730 630 300 280 6 800 780 730 630 300 280 5 800 780 680 550 270 250 4 800 600 600 390 240 220 3 680 450 470 250 220 200 2 550 450 380 200 220 200 1 480 450 340 200 200 200 NOTE After defrost control on th...

Page 106: ...ne G zone S HIGH2 1 070 S HIGH1 990 1 070 HIGH 990 1 070 10 800 9 990 800 990 990 990 990 8 800 800 730 630 300 280 7 800 800 730 630 300 280 6 800 800 730 630 300 280 5 800 640 680 550 270 250 4 800 600 600 390 240 220 3 680 450 470 250 220 200 2 550 450 380 200 220 200 1 480 450 340 200 200 200 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compress...

Page 107: ...one F zone G zone S HIGH2 1 120 S HIGH1 990 1 120 HIGH 990 1 120 10 870 9 990 870 990 990 990 990 8 920 870 780 630 300 280 7 920 870 780 630 300 280 6 920 710 780 630 300 280 5 920 660 760 610 270 250 4 810 660 630 450 240 220 3 670 500 490 310 220 200 2 570 500 390 200 220 200 1 520 500 360 200 200 200 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the ...

Page 108: ...peration airflow will be hori zontal 1 the air direction cannot be adjusted during this period The airflow direction setting will temporarily become 1 when the temperature of the airflow is low at the start of the Heating mode After beginning of AUTO HEAT mode operated and automatic defrosting operation the airflow will be horizontal 1 However the airflow direction cannot be adjusted at beginning ...

Page 109: ...inging range Cooling mode dry mode fan mode 1 to 3 1 4 Heating mode fan mode 4 to 6 3 6 hen the indoor fan is S LO or stop mode the swing operation is interrupted and it stops at either upper end or bottom end To select horizontal airflow swing operation No function 4 3 Swing operation 04 17 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 110: ...mer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote ...

Page 111: ...r After that the setting temperature is not changed and the operation is stopped at the setting time Set temperature rises Ts Set temperature Stop of operation Ts 2 C Set 60 min 1 C In the heating operation mode hen the sleep timer is set the setting temperature is decreased 1 C It decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not chang...

Page 112: ...mer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote ...

Page 113: ... Stop of operation Ts 2 C Set 60 min 1 C In the heating operation mode hen the sleep timer is set the setting temperature is decreased 1 C It decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not changed and the operation is stopped at the setting time Set Ts 2 C 1 C 3 C 4 C Ts Set temperature 30 min 30 min 30 min Stop of operation Set temp...

Page 114: ...ner will operate at a minimum of 18 C even if the SET BACK temperature is set to 17 C or lower Case of SET BACK timer on the Cooling operation Setting temperature 22 C SET BACK temperature 26 C SET BACK setting Operation temperature Operation temperature 26 C 22 C 26 C 22 C 24 C 1 ON OFF OFF ON 1 During the SET BACK function the setting temperature is changed Chenge the setting temperature 22 C 24...

Page 115: ...Tn10 5 deg Tn 6 C Tn Tnb 2 deg Tn 6 C Tn 17 C Ta 10 C Tn 7 C or Tn 20 C Ta 10 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 213 min For long continuous operation Less than 10 min For intermittent operation Condition Tn 3 C Tn 5 C Count of the compressor off 40 times If the compressor continuous operation ti...

Page 116: ...nditions are satisfied in heating operation Compressor operation integrating time 30 minutes or more Compressor continuous operation time 10 minutes or more Outdoor unit heat exchanger temperature 4 C or less Release condition The defrost operation is released when either one of the conditions below is satisfied Outdoor unit heat exchanger temperature after 1 minute or later since compressor start...

Page 117: ...oor low noise operation Remote control setting LAN LED setting 7 2 MANUAL AUTO operation hen the wireless remote controller is lost or battery power dissipated this function will work without the remote controller hen MANUAL AUTO button is pressed more than 3 seconds and less than 10 seconds MANUAL AUTO operation starts as shown in the table below To stop operation press the MANUAL AUTO button for...

Page 118: ...test operation By performing one of the following action test operation will be canceled Pressing the remote controller START STOP button Pressing FORCED COOLING OPERATION button for 3 seconds 60 minutes passed after starting forced cooling operation NOTE hen HEAT operation is selected on the remote controller during forced cooling operation heating test run will begin in about 3 minutes 7 4 10 C ...

Page 119: ...ng temperature 0 5 C or Operation time has passed 20 minutes 7 7 Fresh air control The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below Operation Stop Operation Stop Fan motor Indoor unit Fan motor for Fresh Air 7 8 Compressor preheating By preheating the compressor warm airflow is quickly discharged when the operation is started Triggering condition 30...

Page 120: ...e 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 7 11 Prevention to restart for 3 minutes 3 minutes st hen the compressor fails to start for the number of times below it does not enter operation status for 3 minutes Retry number 50 Retry set number 3 hen the compressor fails...

Page 121: ...ical angle 90 Side view Horizontal angle 100 Top view 90 6 m 50 50 6 m Energy saving function may not work when the room temperature is very different from the tem perature defined in the temperature setting such as when immediately after starting the operation Details about detection with the human sensor The human sensor detects whether there are people in the room by looking for movement by peo...

Page 122: ...pped and the indoor unit LED starts blinking Trigger condition 104 C Compressor frequency 20 rps 120 seconds Release condition 101 C Compressor protection temperature 110 C 8 2 Anti freezing control cooling and dry mode The rotation number of compressor is decrease in cooling and dry mode when the indoor unit heat exchanger temperature sensor detects the temperature lower than the trigger conditio...

Page 123: ...A 5 5 A Ta 2 C 6 0 A 5 5 A Heating 17 C Ta 5 5 A 5 0 A 12 C Ta 17 C 7 0 A 6 5 A 5 C Ta 12 C 7 5 A 7 0 A Ta 5 C 8 5 A 8 0 A Model AOHG14KGCA Operation mode Outdoor temp Ta Trigger condition Release condition Cooling 50 C Ta 4 5 A 4 0 A 46 C Ta 50 C 4 5 A 4 0 A 40 C Ta 46 C 6 0 A 5 5 A 12 C Ta 40 C 8 5 A 8 0 A 2 C Ta 12 C 8 5 A 8 0 A Ta 2 C 8 5 A 8 0 A Heating 17 C Ta 7 0 A 6 5 A 12 C Ta 17 C 9 0 A ...

Page 124: ...s follows Indoor unit heat exchanger temperature rises Indoor unit heat exchanger temperature drops Stable zone AB BC CD DE Zone A Zone B Zone C Zone D Zone E AB 63 C BC 55 C CD 53 C DE 50 C Zone Operation Zone A Compressor is stopped Zone B The rotation number of compressor is decreased 25 rps 120 sec Zone C 3 rps 60 sec Zone D The protection is released and the operation is returned to normal mo...

Page 125: ...5 FILED WORKING 2022 03 25 SR_CH05_AS069EG_01 ...

Page 126: ...troller 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 Details of control input function 05 16 2 5 Details of control output function 05 20 ...

Page 127: ...e changed if invalid numbers or setting values are selected hen optional wired remote controller is used refer to the installation manual enclosed with the remote controller Entering function setting mode hile pressing the PO ERFUL button and TEMP button simulta neously press the RESET button to enter the function setting mode Function number Setting value Selecting the function number and setting...

Page 128: ... 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 1 1 Function settings by using remote controller 05 2 1 Function settings FIELD WORKING FIELD WORKING ...

Page 129: ...ler custom code 7 46 External input control 8 48 Room temperature sensor switching Aux 9 49 Indoor unit fan control for energy saving for cooling 10 60 Switching functions for external output terminal 1 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 ...

Page 130: ... 26 C and the setting value is 03 1 0 C corrected temp will be 27 C 26 C 1 0 C The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value Function number Setting value Setting description Factory setting 30 For cooling 31 For heating 00 Standard setting 01 No correction 0 0 C 02 0 5 C More cooling Less heating 03 1 0 C 04 1 5 C 05 2 0 C 06 ...

Page 131: ... C 4 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 Disable NOTE Auto restart is an emergency function such as for power outage etc Do not attempt to use this function in normal operation Be sure to operate the unit by remote controller or exter nal device 5 Room temperature sensor swit...

Page 132: ...too Function number Setting value Setting description Factory setting 48 00 Both 01 ired remote controller 9 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 49 00 Disable 01 Enable...

Page 133: ...refer to External input and output Function number Setting value Setting description Factory setting 60 00 Operation status 01 08 Setting prohibited 09 Error status 10 Indoor unit fan operation status 11 Setting prohibited 1 1 Function settings by using remote controller 05 7 1 Function settings FIELD WORKING FIELD WORKING ...

Page 134: ...s the START STOP button until only the clock is displayed on the remote controller display 2 Press the MODE button for at least 5 seconds to display the current custom code Initially set to 3 Press the TEMP buttons to change the custom code be tween Match the code on the display to the air condi tioner custom code Initially set to 4 Press the MODE button again to return to the clock display The cu...

Page 135: ...Dry contact Edge CN47 Output Operation status Error status Indoor unit fan operation status External input and output PCB UT CS Z2 CN313 CN314 Input Operation Stop Dry contact Apply voltage Edge Pulse Forced stop CN313 Forced thermostat off Edge CN310 CN311 CN312 Output Operation status Error status Indoor unit fan operation status NOTE For details of the switching function refer to Setting of ext...

Page 136: ...m Use an external input and output cable with appropriate external dimension depending on the number of cables to be installed The wire connection should be separate from the power cable line Indoor unit Indoor unit functions such as Operation Stop can be done by using indoor unit connectors 1 2 3 CN46 PCB Connected device 1 The switch can be used on the following condition DC 12 V to 24 V 1 mA to...

Page 137: ... VOL side 1 2 3 Input 1 PCB Connected device 1 2 3 Input 2 CN313 CN314 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA Apply voltage In case of external power supply set the slide switch of S 301 to VOL side 1 2 3 Input 1 Power supply PCB Connected device 2 1 2 3 Input 2 CN313 CN314 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15...

Page 138: ...e edge or pulse can be switched by the DIP switch 2 S 302 on the External input and output PCB Edge Pulse The width of pulse must be longer than 200 msec NOTE The input signal supports the following switch type Edge Alternate type switch Pulse Momentary type switch 2 1 External input 05 12 2 External input and output FIELD WORKING FIELD WORKING ...

Page 139: ...ent 50 mA For details refer to Setting of external input and output on page 05 15 When indicator etc are connected directly Example Function setting number 60 is set to 00 1 2 CN47 LED PCB Resistor Connected device When connecting with a device equipped with a power supply Example Function setting number 60 is set to 00 1 2 Connected device CN47 PCB Connected device Relay Operation status 2 2 Exte...

Page 140: ... set to 1 1 2 CN310 LED 1 Operation status PCB Resistor Connected device 1 2 CN311 LED 2 Error status Resistor 1 2 CN312 LED 3 Indoor unit fan operation status Resistor When connecting with a device equipped with a power supply Example Rotary S on External input and output PCB is set to 1 1 2 Connected device 1 CN310 PCB Connected device Relay Operation status 1 2 Connected device 2 CN311 Error st...

Page 141: ... unit fan status Pulse Operation Stop 2 Edge Forced thermostat off Not available Error status Indoor unit fan operation status Not available 3 to 9 A Setting prohibited B Forced thermostat off Not available Operation status Indoor unit fan operation status Not available C Forced thermostat off Not available Operation status Error status Not available D Setting prohibited NOTES hen the rotary switc...

Page 142: ...ller On Off Indoor unit operation On CN313 In the case of Pulse input Function setting External input and output PCB External input Input signal Command Rotary switch SW302 46 00 1 Pulse External input and output PCB CN313 Pulse Operation CN314 Stop On On Off On Off Remote controller On Off Indoor unit operation CN313 CN314 NOTES The last command has priority The indoor units within the same remot...

Page 143: ...bled On Off Forced stop Normal On Off Remote controller On On Indoor unit operation On CN313 In the case of Pulse input Function setting External input and output PCB External input Input signal Command Rotary switch SW302 46 02 1 Pulse External input and output PCB CN313 Pulse Forced stop R C disabled CN314 Normal R C enabled On Off On Off Remote controller On Off Forced stop Normal CN313 CN314 O...

Page 144: ... CN46 Off On Operation R C enabled On Off Stop R C disabled 1 Edge External input and output PCB CN313 Off On Operation R C enabled On Off Stop R C disabled On CN313 Off On Indoor unit operation Off Remote contoller On On Off In the case of Pulse input Function setting External input and output PCB External input Input signal Command Rotary switch SW302 46 03 1 Pulse External input and output PCB ...

Page 145: ... group Forced thermostat off External input and output PCB External input Input signal Command Rotary switch 2 B C External input and output PCB CN313 Off On Thermostat off On Off Normal operation On Off On Off Compressor Room temp Set temp CN313 2 4 Details of control input function 05 19 2 External input and output FIELD WORKING FIELD WORKING ...

Page 146: ...Off CN310 Indoor unit operation Error status Function setting External input and output PCB External output Output signal Status Rotary switch 60 09 Output of indoor unit CN47 Off On Error On Off Normal 2 External input and output PCB CN310 Off On Error On Off Normal 1 C External input and output PCB CN311 Off On Error On Off Normal The output is on when an error is generated for the indoor unit E...

Page 147: ...PCB CN311 Off On Fan run On Off Fan stop 1 External input and output PCB CN312 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is operating Off The fan is stopped or during cold air prevention During thermostat off when in dry mode operation Fan run Fan stop On Off CN47 On Off CN311 312 Indoor unit 2 5 Details of control output function 05 21 2 External input and outp...

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