Fujitsu AUXG36KRLB Service Manual Download Page 134

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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

Off

Indoor fan

setting airflow

S-LOW

Off

180

(sec)

Indoor fan speed

3-1. Indoor fan control

- (04-14) -

3. Fan control

CONTROL AND

FUNCTIONS

CONTROL AND

FUNCTIONS

Summary of Contents for AUXG36KRLB

Page 1: ...AIR CONDITIONER Cassette type SERVICE MANUAL INDOOR AUXG36KRLB AUXG45KRLB AUXG54KRLB OUTDOOR AOYG36KQTA AOYG45KQTA AOYG54KQTA SR_AU015EF_03 2020 11 16 ...

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 2020 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 2020 11 16 SR_CH01_AU015EF_02 ...

Page 6: ...CONTENTS 1 GENERAL INFORMATION 1 Specifications 01 1 1 1 Indoor unit 01 1 1 2 Outdoor unit 01 3 2 Dimensions 01 5 2 1 Indoor unit 01 5 2 2 Outdoor unit 01 8 ...

Page 7: ...pitch Main 1 1 3 Main 2 1 3 Main 3 1 3 Rows Stages Main 1 1 12 Main 2 1 12 Main 3 1 12 Pipe type Copper tube Fin type Aluminum Dimensions H W D Net mm 288 840 840 Gross 340 960 950 Weight Net kg 29 Gross 34 Connection pipe Size Liquid mm in Ø 9 52 3 8 Gas Ø 15 88 5 8 Method Flare Drain hose Material PVC Size mm Ø 25 I D Ø 32 O D Operation range Cooling C 18 to 32 RH 80 or less Heating C 16 to 30 C...

Page 8: ...rage A Pdesign Cooling kW 9 5 35 C Heating Average 8 7 10 C SEER Cooling kWh kWh 6 55 SCOP Heating Average 4 3 Annual energy consump tion QCE kWh a 507 QHE Average 2 828 Sound power level Cooling HIGH dB A 58 Heating 58 1 1 Indoor unit 01 2 1 Specifications GENERAL INFORMATION GENERAL INFORMATION ...

Page 9: ...ensions H W D Net mm 788 940 320 Gross 966 1 027 445 Weight Net kg 53 Gross 62 Connection pipe Size Liquid mm in Ø 9 52 3 8 Gas Ø 15 88 5 8 Method Flare Pre charge length m 30 Max length 30 Max height difference 30 Operation range Cooling C 10 to 46 Heating 15 to 24 Drain hose Material LDPE Size mm Ø 13 0 I D Ø 16 0 to Ø 16 7 O D NOTES Specifications are based on the following conditions Cooling I...

Page 10: ...R 7 5 1 0 Dimensions H W D Net mm 998 940 320 Gross 1 176 1 027 445 Weight Net kg 62 63 Gross 72 73 Connection pipe Size Liquid mm in Ø 9 52 3 8 Gas Ø 15 88 5 8 Method Flare Pre charge length m 30 Max length 30 Max height difference 30 Operation range Cooling C 10 to 46 Heating 15 to 24 Drain hose Material LDPE Size mm Ø 13 0 I D Ø 16 0 to Ø 16 7 O D NOTES Specifications are based on the following...

Page 11: ...n Hanging bolt position Indoor unit Drain hose View B View C A B C Ceiling Wire hole 950 620 768 420 293 342 45 40 140 298 200 to 205 10 39 200 to 205 200 237 40 40 164 Fresh air inlet cut out 100 83 100 83 352 109 164 90 950 4 Ø3 2 hole Ø95 80 80 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...bout the maintenance space To set 3 direction Air outlet shutter plate option must be installed and the outlet direction need to be switched to 3 way by the remote controller 100 or more 4 directions 3 directions Piping position In 3 way outlet mode changing of ceiling height setting by function setting 20 is prohibited Ceil ing height setting function setting 20 is allowed to be changed only in 4...

Page 13: ...erature Ceiling height 3 200 mm Detecting position 800 mm from floor surface NOTE When the installation height gets higher the temperature sensitivity decreases CAUTION Do not place large objects near the human sensor Keep any other heating units outside the sensor s detection area 2 1 Indoor unit 01 7 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 14: ...ay valve Gas Liquid valve Ф28 Cable port Ф28 Cable port 89 650 35 7 48 143 147 39 8 53 9 Liquid 40 320 354 8 62 9 Gas 320 139 8 Ф28 Cable port Ф28 Cable port 96 50 120 Pipe port 55 25 40 5 264 6 351 9 Pipe Cable port 47 6 15 2 62 6 15 6 Rear view 50 Ф28 Cable port Ф28 Cable port 25 141 9 70 67 Pipe port 2 2 Outdoor unit 01 8 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 15: ...8 53 9 Liquid 40 320 354 8 62 9 Gas 12 9 297 2 Gas valve Liquid valve Ф28 Cable port 1 1 8 29 Pipe port 23 4 129 1 85 3 50 29 Pipe port A 95 89 A 3 Way valve Liquid 3 Way valve Gas 320 139 8 96 40 5 Ф28 Cable port 120 Pipe port 55 25 50 B B 50 25 141 9 70 67 Pipe port 264 6 351 9 47 6 15 2 62 6 15 6 2 2 Outdoor unit 01 9 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 16: ...2 2 Outdoor unit 01 10 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 17: ...2 TECHNICAL DATA AND PARTS LIST 2020 11 16 SR_CH02_AU015EF_02 ...

Page 18: ...2 10 4 2 Models AOYG45KQTA and AOYG54KQTA 02 14 5 Accessories 02 18 5 1 Indoor unit 02 18 5 2 Outdoor unit 02 18 6 Optional parts 02 19 6 1 Indoor unit 02 19 6 2 Outdoor unit 02 22 7 Refrigerant system diagrams 02 23 7 1 Models AOYG36KQTA AOYG45KQTA and AOYG54KQTA 02 23 8 Wiring diagrams 02 24 8 1 Indoor unit 02 24 8 2 Outdoor unit 02 25 9 PC board diagrams 02 26 9 1 Models AUXG36KRLB AUXG45KRLB a...

Page 19: ...rs working in the local area shall be instructed on the nature of work being carried out Work 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 ...

Page 20: ...e 1 4 2 3 Long Life Filter Intake Grille Assy Filter Guide Hook Wire 9378252028 9381691005 9378253018 9378597020 Parts No Description Ref No 4 1 2 3 2 1 Model UTG UKYC W 02 2 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...anel Assy Drain Cover Assy 9381713004 9381352005 9381711000 Parts No Description Ref No 11 12 13 11 13 12 2 1 Model UTG UKYC W 02 3 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 22: ...er Wire Step Motor 9381693009 9381712007 9900885007 9381354009 9710175008 Motor Case Assy Parts No Description Ref No 21 22 23 24 Detail A 2 1 Model UTG UKYC W 02 4 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...odels AUXG36KRLB AUXG45KRLB and AUXG54KRLB Miscellaneous parts Hook A Hook B Wire cover Hook A 3 1 Models AUXG36KRLB AUXG45KRLB and AUXG54KRLB 02 5 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 24: ...hermiﬆor 9900822002 9900942014 6 Power PCB 7 PCB Non polar 2 wire 9710022005 10 Main PCB holder 9381350001 11 Power PCB Holder 9381349005 9710019005 8 Remote terminal 5P 9 Power Terminal 3P 9900896003 9900720032 2 6 7 5 11 10 1 8 9 3 4 5 Main PCB AUXG54KRLB 9710995910 5 Main PCB AUXG45KRLB 9710995903 3 1 Models AUXG36KRLB AUXG45KRLB and AUXG54KRLB 02 6 3 Indoor unit parts list TECHNICAL DATA AND P...

Page 25: ...394018 28 Drain pan sub assy 9381789009 9603443009 27 Motor Wire Holder 26 Special Nut 9381351008 9378388017 Ref Description Part number 24 23 21 25 22 26 27 28 21 Bellmouth 30 36 45 54 9381345007 3 1 Models AUXG36KRLB AUXG45KRLB and AUXG54KRLB 02 7 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 26: ...5012 9381744008 32 Panel Hook 9375671013 37 Drain Hose 9379665001 35 Drain Pump Sub Assy 9381793006 9381794003 9379757010 9381788002 Ref Description Part number 35 36 31 39 34 32 33 37 38 3 1 Models AUXG36KRLB AUXG45KRLB and AUXG54KRLB 02 8 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ... plate assy Evaporator holder Ref Description Part number Evaporator Total Assy 24 42 9378580688 Evaporator Total Assy 36 45 54 41 42 43 Insulation Box Sub Assy 24 41 9381787012 42 9378580671 Evaporator Total Assy 30 3 1 Models AUXG36KRLB AUXG45KRLB and AUXG54KRLB 02 9 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 28: ...Model AOYG36KQTA Exterior parts and chassis 15 6 9 12 7 2 1 8 16 22 17 18 14 13 25 26 19 20 21 23 24 a b 11 10 4 5 3 3 4 1 Model AOYG36KQTA 02 10 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ...ice 13 313166024302 Drain cap 14 9303029015 Drain assy 15 9350255009 Base assy Service 16 9383876004 Service panel assy 17 9383878008 Front pipe cover 18 9351355005 Emblem rear 19 9383863004 Front panel assy 20 9383604003 Blow grille 21 9383689000 Blow grille insulation 22 9383882005 Left panel assy 23 9383336003 Propeller fan 24 9603732011 Brushless motor 25 9383862007 Motor bracket assy 26 93744...

Page 30: ... Compressor 57 56 53 59 58 b 50 52 64 63 63 62 61 62 63 62 B A c B 55 A 60 51 a 54 4 1 Model AOYG36KQTA 02 12 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 31: ...000 Expansion valve coil 57 9370947328 Expansion valve assy 58 9379079013 3 way valve assy 59 9377958037 3 way valve assy 60 9900985035 Thermistor Compressor 61 9810028006 Thermistor stopper 62 9379179072 Rubber washer E 63 9377973016 Special nut 64 9383821011 Compressor assy a Thermostat holder b Joint pipe D c Wiring fixation unit 4 1 Model AOYG36KQTA 02 13 4 Outdoor unit parts list TECHNICAL DA...

Page 32: ...QTA Exterior parts and chassis 15 6 9 12 7 2 1 8 16 22 17 18 14 13 25 26 19 23 24 a b 11 10 4 5 3 3 20 21 4 2 Models AOYG45KQTA and AOYG54KQTA 02 14 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 33: ...odel 9711431141 Main PCB Service for 54 model 13 313166024302 Drain cap 14 9303029015 Drain assy 15 9350255009 Base assy Service 16 9383876011 Service panel sub assy 17 9383878008 Front pipe cover 18 9351355005 Emblem rear 19 9383863011 Front panel assy 20 9383604003 Blow grille 21 9383689000 Blow grille insulation 22 9383882012 Left panel sub assy 23 9383336003 Propeller fan 24 9603733018 Brushle...

Page 34: ...mpressor 58 57 53 60 62 59 b 50 52 A c A 61 51 a 54 56 B B 64 63 64 63 64 63 4 2 Models AOYG45KQTA and AOYG54KQTA 02 16 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 35: ...209000 Expansion valve coil 58 9370947311 Expansion valve assy 59 9379079013 3 way valve assy 60 9377958037 3 way valve assy 61 9900985028 Thermistor Compressor 62 9810627001 Compressor for 45 model 9810626004 Compressor for 54 model 63 9379179089 Rubber washer F 64 9377973016 Special nut a Thermistor spring b Joint pipe D c Accumulator holder A d Wiring fixation unit 4 2 Models AOYG45KQTA and AOY...

Page 36: ...Template Carton top 1 Drain hose heat insulation 1 Washer 8 Cable tie large 4 Coupler heat insulation large 1 Cable tie small 2 Coupler heat insulation small 1 5 2 Outdoor unit Models AOYG36KQTA AOYG45KQTA and AOYG54KQTA Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 3 Drain pipe 1 One touch bush 2 5 1 Indoor unit 02 18 5 Accessories TECHNICAL DATA AND PARTS LIST T...

Page 37: ...ge keys easy to press user intuitive arrow key Wire type Polar 3 wire Wired remote controller UTY RNNYM Room temperature can be controlled by detecting the temperature accurately with built in thermo sensor Wire type Polar 3 wire Simple remote controller UTY RSRY Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire...

Page 38: ... refer to the operation manual Cassette grille Exterior Part name Model name Summary Cassette grille UTG UKYA W This cassette grille to blow airflow in 360º direction by unique seamless airflow louver design Wired remote controller UTY RNRYZ is included Cassette grille UTG UKYA B This cassette grille to blow airflow in 360º direction by unique seamless airflow louver design Black color model Casse...

Page 39: ... the cassette grille and the ceiling surface the height of the unit body goes into the ceiling space become 50 mm lower Fresh air intake kit UTZ VXRA By attaching Fresh air intake kit to the indoor unit it can be taken in fresh air of up to 10 of high air volume of the indoor unit Insulation for high humidity UTZ KXRA Install when the under roof condition is expected to be the humidity of over 80 ...

Page 40: ...ART interface and a KNX open network External switch controller UTY TERX Air conditioner switching can be controlled by connecting other external sensor switches NOTE Combined use of following optional parts and Wireless LAN adapter UTY TFSXZ1 is not allowed External input and output PCB UTY XCSX Modbus converter KNX converter 6 2 Outdoor unit Exterior Part name Model name Summary External connect...

Page 41: ...I ThO ThHO ThC Thermistor Compressor temperature Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat Exchanger Out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Pressure sensor 3 Way valve Thermistor Heat Exchanger Med temperature ThHM ThHM 7 1 Models AOYG36KQTA AOYG45KQTA and AOYG54KQTA 02 23 7 Refrigerant system diagrams TEC...

Page 42: ...8 Wiring diagrams 8 1 Indoor unit Models AUXG36KRLB AUXG45KRLB and AUXG54KRLB 8 1 Indoor unit 02 24 8 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 43: ...8 2 Outdoor unit Model AOYG36KQTA Models AOYG45KQTA and AOYG54KQTA 8 2 Outdoor unit 02 25 8 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 44: ...ITE CN47 B02B PASK 1 WHITE CN73 B12B PASK 1 WHITE CN55 B10B PLIRK 1 RED CN54 B04B XNISK A 1 WHITE CN370 B5 7 2 3 B XASK 1 A WHITE CN8 B02B XASK 1 A WHITE CN32 B03B PASK 1 WHITE CN71 B04B XASK 1 A WHITE CN9 B03B XARK 1 A RED CN37 SZW15 20WV ET WHITE CN48 B09B PASK 1 WHITE CN65 B04B PASK 1 WHITE CN304 B10B PLIRK 1 RED CN303 B04B XNISK A 1 WHITE CN2 11PSL JE WHITE CN1 SM05B SRSS TB WHITE CN301 B3 5 0...

Page 45: ...ISTOR COM TEMP THERMISTOR PIPE MID TEMP THERMISTOR PIPE OUT TEMP THERMISTOR OUTDOOR TEMP THERMISTOR DISCHARGE TEMP THERMISTOR HEATSINK TEMP HIGH PRESSURE SWITCH COMPRESSOR DC FAN MOTOR 1 FM HP SW1 CM 4WV EEV 1 PRES SENSOR HI TERMINAL F102 10A AC250V F100 30A AC500V F101 30A AC500V F104 10A AC250V 1 2 3 L1 L2 L3 N INDOOR UNIT 1P2W AC230V 50Hz POWER SOURCE 3P4W AC400V 50Hz MAIN PCB 36 model G36KQTA ...

Page 46: ...9 2 Models AOYG36KQTA AOYG45KQTA and AOYG54KQTA 02 28 9 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 47: ...3 TROUBLESHOOTING 2020 06 04 SR_CH03_AU015EF_01 ...

Page 48: ...r error Indoor unit 03 19 2 15 E 51 Indoor unit fan motor error Indoor unit 03 20 2 16 E 53 Drain pump error Indoor unit 03 21 2 17 E 62 Outdoor unit main PCB error Outdoor unit 03 22 2 18 E 63 Inverter error Outdoor unit 03 23 2 19 E 64 PFC circuit error Outdoor unit 03 24 2 20 E 65 Trip terminal L error Outdoor unit 03 25 2 21 E 71 Discharge thermistor error Outdoor unit 03 26 2 22 E 72 Compress...

Page 49: ...ssor 03 52 4 2 Inverter compressor 03 53 4 3 Outdoor unit Electronic Expansion Valve EEV 03 55 4 4 Indoor unit fan motor 03 57 4 5 Outdoor unit fan motor 03 58 4 6 Pressure switch 03 59 4 7 4 way valve coil solenoid coil 4 way valve 03 60 4 8 Reactor assy 03 61 5 Thermistor resistance values 03 62 5 1 Indoor unit 03 62 5 2 Outdoor unit 03 63 CONTENTS continued ...

Page 50: ......

Page 51: ...A E 41 Room temperature sensor error Indoor unit 41 E 42 Indoor unit heat exchanger sensor error Indoor unit 42 E 51 Indoor unit fan motor error Indoor unit 51 E 53 Drain pump error Indoor unit 53 E 62 Outdoor unit main PCB error Outdoor unit 62 E 63 Inverter error Outdoor unit 63 E 64 PFC circuit error Outdoor unit 64 E 65 Trip terminal L error Outdoor unit 65 E 71 Discharge thermistor error Outd...

Page 52: ...nit 2 5 15 E 32 Indoor unit main PCB error Indoor unit 2 5 15 E 33 Indoor unit motor electricity consumption detection error Indoor unit 2 5 15 E 39 Indoor unit power supply error for fan motor Indoor unit 2 5 15 E 3A Indoor unit communication circuit wired remote controller error 2 5 15 E 41 Room temperature sensor error Indoor unit 2 5 15 E 42 Indoor unit heat exchanger sensor error Indoor unit ...

Page 53: ...error Outdoor unit 2 9 5 E 97 Outdoor unit fan motor error Outdoor unit 2 9 7 E 99 4 way valve error Outdoor unit 2 9 9 E A1 Discharge temperature error Outdoor unit 2 10 1 E A3 Compressor temperature error Outdoor unit 2 10 3 E A5 Low pressure error Outdoor unit 2 10 5 E AC Heat sink temperature error Outdoor unit 2 10 12 Light on Light off n n Times blinking 1 2 Error code table Outdoor unit 03 ...

Page 54: ...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 installation manual or the DESIGN TECHNICA...

Page 55: ...52 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 Se...

Page 56: ...eck 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 voltage of power supply Check the voltage of power supply Ch...

Page 57: ...t is abnormal replace 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 Serial communication error Serial forward transfer error Indoor unit 03 7 2 Troubleshooting with error c...

Page 58: ...er and main PCB If it is DC 12 V remote controller is failure Main PCB is normal Replace remote control If it is DC 0 V main PCB is failure Check remote controller once again Replace main PCB Check voltage at CN14 of main PCB terminal 1 3 terminal 1 2 Power supply to the remote controller Upon correcting the removed connec tor or mis wiring reset the power End Check Point 2 Wire installation wrong...

Page 59: ...ain PCB to the external input and out put PCB 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 external input and output PCB and the main PCB If there is loose connector open cable or mis wiring Check point 2 Replace the external input and output PCB If check point 1 do not improve the symptom chan...

Page 60: ... 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 error Outdoor unit 03 10 2 Troubleshooting with error code TROUBLESHO...

Page 61: ...ontroller 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 Wrong 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 The remote controller address setting ...

Page 62: ...or remote controller in remote controller group Indoor unit main PCB failure Check point 1 Wire installation Wrong 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 error after setting remote controller add...

Page 63: ...eck 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 Only Memory is a non volatile memory whi...

Page 64: ...ing 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 parts information on page 03 52 If indoor unit...

Page 65: ...e 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 indicator PCB End 2 10 E 35 MANUAL AUTO bu...

Page 66: ...f 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 connection Check if cable is open Upon correcting t...

Page 67: ...in 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 doesn t change replace the main PCB End 2 12...

Page 68: ...onnector 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 62 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 terminal voltage at thermis tor DC 5 0 V N...

Page 69: ...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 62 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 terminal voltage at...

Page 70: ...an 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 unit fan motor Refer to indoor unit fan motor in Ser...

Page 71: ...oint 2 Check connector and wire Check loose contact of CN9 and shorted wire pinched wire Replace float switch if the wire is abnormal Check point 3 Check drain hose Check drain hose If there is hose clogging Please clear the clog Check point 4 Check voltage of power supply and drain pump Check drain pump If drain pump is not run on the working condition check the voltage of the CN71 on the main PC...

Page 72: ...k 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 near the power line End 2 17 E 62 Outdoor unit...

Page 73: ... point 1 2 Error displayed again Check point 2 Check the wiring power supply to inverter PCB Connector and wiring connection state check Cable open check Check point 3 Replace inverter PCB Replace inverter PCB End Check point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly or there are no r...

Page 74: ...tus 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 Check if connector is removed Check errone...

Page 75: ...tdoor unit Main PCB When the signal from FO terminal of IPM is L 0 V during the compressor stopping Forecast of cause Main PCB failure Check point 1 Check main PCB Replace the outdoor unit main PCB End 2 20 E 65 Trip terminal L error Outdoor unit 03 25 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 76: ...einstalling 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 62 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 outdoor unit and check t...

Page 77: ... reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the compressor thermistor resistance value refer to Thermistor resistance values on page 03 62 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 outdoor unit and check terminal v...

Page 78: ...onnection state check Cable open check Check Point 2 Check the thermistor For the outdoor unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 62 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 outdoor unit and check terminal voltage at thermistor DC 5 0 V NOTE F...

Page 79: ...lling 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 62 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 outdoor unit and check terminal...

Page 80: ...ct 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 62 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of inverter PCB Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor DC 5 0 V NOTE ...

Page 81: ...or 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 there is a large load electric apparatus in t...

Page 82: ...ctor and wiring connection state Check if cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Check the high pressure switch characteristics Check switch characteristics For the characteristics of the high pressure switch refer to below Check point 3 Replace main PCB Change main PCB and check operation again End Type of contact C H Pressure Charac...

Page 83: ...or failure lock winding short Inverter PCB 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 point 2 Replace inverter PCB If Check point 1 do not improve the symptom change i...

Page 84: ...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 information on page 03 52 Upon correcting the removed connector or mis wiring reset the power Check point 3 Replace main PCB If Che...

Page 85: ...lace 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 information on page 03 52 If outdoor unit fan motor is abnor...

Page 86: ...nector connection failure Thermistor failure Coil failure 4 way valve failure Main PCB failure Check point 1 Check air filter condition Check air filter dirty If the air filter dirty clean up the air filter Check point 2 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 ...

Page 87: ...Ω 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 5 Replace main PCB If Check Point 1 to 4 do not improve the symptom replace main PCB End 2 31 E 99 4 way valve error Outdoor unit 03 37 2 Troubleshooting with erro...

Page 88: ...valve For heating operation check liquid side of the 3 way valve Check point 2 Check the electronic expansion valve EEV and strainer Check if EEV open Refer to outdoor unit Electronic Expansion Valve EEV in Service parts information on page 03 52 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign object at heat exchanger Check if fan can be ro...

Page 89: ...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 32 E A1 Discharge temperature error Outdoor unit 03 39 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 90: ...valve For heating operation check liquid side of the 3 way valve Check point 2 Check the electronic expansion valve EEV and strainer Check if EEV open Refer to outdoor unit Electronic Expansion Valve EEV in Service parts information on page 03 52 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign object at heat exchanger Check if fan can be ro...

Page 91: ...he 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 33 E A3 Compressor temperature error Outdoor unit 03 41 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 92: ... of the 3 way valve Check point 2 Check the outdoor unit ambient temperature Only when heating operation Outdoor unit ambient temperature lower than operating range Check point 3 Check the outdoor unit fan and heat exchanger Only when heating operation No foreign object in air passage Heat exchanger fins clogged Fan rotes Check the motor Refer to outdoor unit fan motor in Service parts information...

Page 93: ...eck the refrigerant leakage Check point 7 Replace main PCB If check point 1 to 6 do not improve the symptom replace the main PCB End 2 34 E A5 Low pressure error Outdoor unit 03 43 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 94: ...te Heat sink foreign matter soiling check Check point 2 Check the foreign matter and ambient temperature of heat exchanger Heat exchange foreign matter check Ambient temperature not raised by effect of other heat sources Discharged air not sucked in Check point 3 Check the heat sink temperature thermistor The heat sink temperature thermistor characteristics check Check by disconnecting thermistor ...

Page 95: ...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 198 to 264 V appears at outdoor unit terminal L N If no go to Check point 1 and Check point 2 Check fuse in fi...

Page 96: ...fective 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 electrical components Check the voltage of power supply Check if AC 198 to 264 V appears at outdoor unit terminal L N If no go to Check ...

Page 97: ... Check external cause at indoor and outdoor Voltage drop or Noise Instant 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 Chec...

Page 98: ...ation condition Check 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 t...

Page 99: ...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 49 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 100: ...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 101: ...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 Water leaking 03 51 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 102: ...defect of 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 in this chapter End Check main PCB connection of...

Page 103: ...PCB W402 W Compressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 2 164 Ω at 25 C R U C W S V 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 53 4 Service par...

Page 104: ...LACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value AOYG45KQTA 1 774 Ω at 20 C AOYG54KQTA 1 546 Ω at 20 C R U T W S V 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 5...

Page 105: ...ormal replace EEV Check 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 When valve is closed it has a temp difference between inlet a...

Page 106: ...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 56 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 107: ...or Refer 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 DC voltage 4 Earth terminal 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Brown Feed back F...

Page 108: ...or Refer 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 DC voltage 4 Earth terminal 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Brown Feed back ...

Page 109: ...54KQTA Type of contact C H Pressure Characteristics of pressure switch Pressure switch 1 Contact Short Open 4 2 4 05 MPa Contact Open Short 3 2 0 15 MPa 36 45 54 model P770 4 6 Pressure switch 03 59 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 110: ...lenoid coil Check Point 3 Check operation of 4 way valve Check each piping temperature and confirm the location of the valve by the temperature difference Heating Operation Heating Operation AC SOLENOID COIL 4WAY VALVE HOT GAS HOT GAS ON Cooling Operation Cooling Operation AC SOLENOID COIL 4WAY VALVE HOT GAS HOT GAS OFF If the valve location is not proper replace 4 way valve Check Point 4 Replace ...

Page 111: ...inals section Check point 2 Electric check 1 Set the tester to the Resistance mode and check for open short between both ends of the re actor wire or connector 2 Judge the result of 1 as follows Short Normal Open Abnormal open Reference value of DC resistance of reactor 0 132Ω Max at 25 C 4 8 Reactor assy 03 61 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 112: ... 3 49 Heat exchanger temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 1 013 09 0 24 25 0 729 08 0 32 20 0 531 55 0 43 15 0 382 31 0 56 10 0 312 27 0 69 5 0 292 90 0 73 0 0 168 60 1 14 5 0 129 84 1 39 10 0 100 91 1 65 15 0 79 12 1 93 20 0 62 55 2 22 25 0 49 84 2 50 30 0 40 01 2 78 35 0 32 35 3 03 40 0 26 34 3 27 45 0 21 58 3 49 50 0 17 79 3 69 55 0 14 75 3 86 60 0 12 30 4 01 65 0 1...

Page 113: ...5 0 12 21 0 55 10 0 9 50 0 68 15 0 7 46 0 84 20 0 5 90 1 01 25 0 4 71 1 21 30 0 3 78 1 42 35 0 3 06 1 64 40 0 2 50 1 88 45 0 2 05 2 11 50 0 1 69 2 35 55 0 1 40 2 58 60 0 1 17 2 81 65 0 0 98 3 02 70 0 0 83 3 22 75 0 0 70 3 41 80 0 0 60 3 58 85 0 0 51 3 73 90 0 0 44 3 87 95 0 0 38 3 99 100 0 0 33 4 10 5 2 Outdoor unit 03 63 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...

Page 114: ...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 70 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 64 5 Thermistor resistance values TRO...

Page 115: ... 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 116: ...5 2 Outdoor unit 03 66 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...

Page 117: ...4 CONTROL AND FUNCTIONS 2020 06 04 SR_CH04_AU015EF_01 ...

Page 118: ...n heating operation stopped 04 26 7 Various control 04 27 7 1 Auto restart 04 27 7 2 10 C HEAT operation 04 27 7 3 ECONOMY operation 04 27 7 4 Fresh air control 04 27 7 5 Compressor preheating 04 28 7 6 External electrical heater control 04 28 7 7 Electronic expansion valve control 04 28 7 8 Drain pump control 04 29 7 9 Prevention to restart for 3 minutes 3 minutes st 04 31 7 10 4 way valve contro...

Page 119: ...8 7 Low outdoor temperature protection 04 35 8 8 High temperature and high pressure release control 04 36 CONTENTS continued ...

Page 120: ......

Page 121: ...re is 1 0 C lower than a set temperature the compressor will be stopped When the room temperature is within the range of 6 0 C to 1 0 C of the setting temperature the compressor frequency is controlled within the range shown in the table below However the maxi mum frequency is limited in the range shown in the figure below based on the indoor fan mode and the outdoor temperature Compressor frequen...

Page 122: ...T AUXG36KRLB A zone 98 64 49 32 B zone 98 64 49 32 C zone 77 49 40 32 D zone 54 40 34 26 E zone 54 40 34 26 F zone 54 40 34 26 AUXG45KRLB A zone 114 79 61 40 B zone 114 79 61 40 C zone 96 61 49 40 D zone 67 49 42 32 E zone 67 49 42 32 F zone 67 49 42 32 AUXG54KRLB A zone 95 66 51 33 B zone 95 66 51 33 C zone 80 51 41 33 D zone 56 41 35 27 E zone 56 41 35 27 F zone 56 41 35 27 1 1 Cooling operation...

Page 123: ...tain to maximum performance If the room temperature is 1 0 C higher than a set temperature the compressor will be stopped When the room temperature is within the range of 1 0 C to 6 0 C of the setting temperature the compressor frequency is controlled within the range shown below Compressor frequency range Unit rps Model name Minimum frequency Maximum frequency AUXG36KRLB 15 rps 120 rps AUXG45KRLB...

Page 124: ...erature Compressor frequency range Unit rps Model name Outdoor temperature zone Operating frequency AUXG36KRLB X zone 32 J zone 32 Y zone 0 AUXG45KRLB X zone 40 J zone 40 Y zone 0 AUXG54KRLB X zone 33 J zone 33 Y zone 0 Compressor control 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 3 Dry opera...

Page 125: ...ecial operation Frequency rps I II III IV V VI VII VIII 25 42 53 61 65 75 85 92 Time sec 1 2 3 4 5 6 7 8 225 305 605 665 725 785 855 1 000 NOTES Normal operation Cooling and dry mode Below 3 hours from the compressor stop and the compressor thermistor 15 C After defrost operation Other than when the compressor starts for the first time since the breaker turns on Special operation Other than the no...

Page 126: ...600 660 Special operation Frequency rps I II III IV V VI VII VIII IX X 41 46 51 57 60 72 81 91 100 110 Time sec 1 2 3 4 5 6 7 8 9 10 120 185 245 305 605 665 725 785 845 1 000 NOTES Normal operation Cooling and dry mode Below 3 hours from the compressor stop and the compressor thermistor 15 C After defrost operation Other than when the compressor starts for the first time since the breaker turns on...

Page 127: ...zone Limitation of compressor frequency AOYG36KQTA A zone 55 rps B zone 52 rps C zone 47 rps D zone 39 rps E zone 33 rps F zone 25 rps G zone 18 rps H zone 20 rps I zone 20 rps J zone 21 rps K zone 24 rps AOYG45KQTA A zone 60 rps B zone 57 rps C zone 48 rps D zone 36 rps E zone 27 rps F zone 24 rps G zone 20 rps H zone 20 rps I zone 20 rps J zone 26 rps K zone 30 rps 1 5 Compressor frequency limit...

Page 128: ...ne 50 rps B zone 47 rps C zone 40 rps D zone 30 rps E zone 22 rps F zone 20 rps G zone 16 rps H zone 16 rps I zone 17 rps J zone 23 rps K zone 28 rps 1 5 Compressor frequency limitation by outdoor temperature 04 8 1 Compressor frequency control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 129: ...F zone 23 rps G zone 20 rps H zone 17 rps I zone 17 rps AOYG45KQTA A zone 55 rps B zone 51 rps C zone 42 rps D zone 39 rps E zone 28 rps F zone 24 rps G zone 21 rps H zone 16 rps I zone 20 rps AOYG54KQTA A zone 46 rps B zone 42 rps C zone 35 rps D zone 32 rps E zone 23 rps F zone 20 rps G zone 17 rps H zone 13 rps I zone 16 rps 1 5 Compressor frequency limitation by outdoor temperature 04 9 1 Comp...

Page 130: ...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 131: ...tion 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 11 2 A...

Page 132: ...e only 2 Cooling mode only 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 ...

Page 133: ...revention 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 42 C Indoor heat exchanger temperature rises Setting fan mode Cool air prevention S LOW Indoor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 24 C MED or setting fan mode LOW or setting...

Page 134: ...e 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 Indoor fan speed 3 1 Indoor fan control 04 14 3 Fan control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 135: ... 690 7 570 620 6 570 590 5 570 480 4 540 410 3 480 340 2 400 270 1 270 200 S HIGH 830 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed ...

Page 136: ... 200 S HIGH 990 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed after defrost control 990 rpm 3 2 Outdoor fan control 04 16 3 Fan cont...

Page 137: ...200 S HIGH 1 040 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed after defrost control 1 040 rpm 3 2 Outdoor fan control 04 17 3 Fan c...

Page 138: ...emote controller NOTE When the 2 wire remote controller is disconnected clear the individual setting Otherwise this setting can t change 4 2 All louver control All louver operation When the mode is selected the standard louver position of the each mode is set model name Operation mode Standard Position AUXG36KRLB Cooling 2 Dry 2 Heating 4 Monitor 2 AUXG45KRLB AUXG54KRLB Cooling 2 Dry 2 Heating 3 M...

Page 139: ...flow direction louver starts to swing Swinging range Cooling mode dry mode fan mode 1 4 Heating mode 1 4 When the indoor fan is S LOW or stop mode the swing operation is interrupted and it stops at either upper end or bottom end 4 3 Swing operation 04 19 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 140: ...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 141: ...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 When 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 chan...

Page 142: ...imer 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 143: ...Stop of operation Ts 2 C Set 60 min 1 C In the heating operation mode When 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 144: ...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 145: ...0 5 deg Tn 10 C Tn Tnb 2 deg Tn 10 C Tn 25 C Ta 20 C Tn Ta 7 C or Tn 25 C Ta 20 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 215 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 ...

Page 146: ...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 147: ...ration 10 C HEAT operation performs as below setting when pressing 10 C HEAT button Operation mode Heating Setting temperature 10 C Fan mode AUTO LED display Economy Defrost operation Operate as normal 7 3 ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same operation as below settings Mode Cooling Dry Heating T...

Page 148: ...r Off Ts 10 C Ts 1 C Ts 3 C Ts 12 C NOTES When the compressor stop external electric heater is off It operates only in heating mode and when the indoor fan operates However S LOW is exclud ed 7 7 Electronic expansion valve control The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the table below Operation mode Puls...

Page 149: ...e compressor is stopped by Anti freezing control for the operation after re lease When the compressor is not in operation Triggering condition The thermostat is turned off The compressor is stopped The operation is switched to heating mode The float switch is turned off Operation details Count 180 minutes Start drain pump intermittent operaion On Off Drain pump 3 min 3 min 3 min Trigger point 0 mi...

Page 150: ...ease 3 minutes passed Operation after release The compressor stopps permanently The compressor is stopped by Anti freezing control Triggering condition During the compressor in operation the compressor is stopped by Anti freezing control Operation details The drain pump is kept on in 60 minutes after Anti freezing control released Release condition 60 minutes passed Operation after release Accordi...

Page 151: ...ion details If there is no one in the room for a while Cooling Dry The setting temperature is increased by maximum 2 C Maximum setting temperature 30 C Heating The setting temperature is decreased by maximum 2 C Minimum setting temperature 16 C Auto Energy saving function is performed automatically for the selected mode cooling heating dry Details about detection with the human sensor The human se...

Page 152: ...nomy and peak cut are effective and the outdoor unit operates by lowest current of them Capacity priority mode Operation condition The function setting is set to 1 Capacity check condition Shortage Compressor frequency limited compressor frequency for low noise mode Enough Compressor frequency limited compressor frequency for low noise mode Operation When detecting the shortage capacity or enough ...

Page 153: ...s stopped and the indoor unit LED starts blinking Trigger condition 104 C Compressor frequency 14 rps 120 seconds Release condition 101 C Compressor protection temperature 110 C 8 2 Anti freezing control cooling and dry mode The compressor frequency is decrease in cooling and dry mode when the indoor unit heat exchang er temperature sensor detects the temperature lower than the trigger condition W...

Page 154: ... C 8 5 A 8 0 A Model AOYG45KQTA Operation mode Outdoor temp Ta Trigger condition Release condition Cooling 52 C Ta 4 5 A 4 0 A 50 C Ta 52 C 5 5 A 5 0 A 46 C Ta 50 C 6 5 A 6 0 A 42 C Ta 46 C 7 5 A 7 0 A 2 C Ta 42 C 8 5 A 8 0 A Ta 2 C 9 0 A 8 5 A Heating 20 C Ta 6 5 A 6 0 A 16 C Ta 20 C 7 0 A 6 5 A 12 C Ta 16 C 8 0 A 7 5 A 2 C Ta 12 C 8 5 A 8 0 A Ta 2 C 9 0 A 8 5 A Model AOYG54KQTA Operation mode Ou...

Page 155: ...verload protection works 8 5 Compressor temperature protection When the compressor temperature sensor detects higher than the trigger condition below the com pressor is stopped When the compressor temperature sensor detects the release condition the pro tection is released Trigger condition 108 C Release condition 80 C 3 minutes after compressor stop 8 6 High pressure protection Trigger condition ...

Page 156: ... 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 compressor frequency is decreased 15 rps 120 sec Zone C 2 rps 120 sec Zone D The protection is released and the operation is returned to normal mode Zone E 8 8 High temperature and high pressure release control 04 36 8 Various protections CONTROL AND FU...

Page 157: ...5 FILED WORKING 2020 06 04 SR_CH05_AU015EF_01 ...

Page 158: ...CONTENTS 5 FILED WORKING 1 Function settings 05 1 1 1 Function settings on indoor unit 05 1 1 2 Function settings on outdoor unit 05 8 ...

Page 159: ...the function settings Related components on the PCB and the applicable settings Component Setting content DIP switch SW100 1 Remote controller address setting 2 3 4 SW101 1 Setting change prohibited 2 Setting change prohibited 3 Fan delay setting Component location Components on the indoor unit main PCB used for the function settings are located as shown in the following figure SW100 1 2 3 4 SW101...

Page 160: ...ON OFF 06 OFF ON ON OFF 07 ON ON ON OFF 08 OFF OFF OFF ON 09 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON 00 01 02 Remote controller address Indoor unit Remote controller SW101 Switch 1 Setting change prohibited SW101 Switch 2 Setting change prohibited SW101 Switch 3 Fan delay setting When the indoor unit is stopped while operating ...

Page 161: ...tion no Functions 1 11 Filter sign 2 20 Ceiling height 3 22 Outlet directions 4 23 Vertical airflow direction range control 5 30 31 Room temperature control for indoor unit sensor 6 35 36 Room temperature control for wired remote controller sensor 7 40 Auto restart 8 42 Room temperature sensor switching 9 44 Remote controller custom code 10 46 External input control 11 48 Room temperature sensor s...

Page 162: ...t directions Select the appropriate number of outlet directions according to the installation conditions Function number Setting value Setting description Factory setting 22 00 4 way 01 3 way 4 Vertical airflow direction range control To prevent draft change the setting to Upward 01 Note that the airflow in certain usage conditions may leave the ceiling dirty In such cases the use of the optional ...

Page 163: ...nsor is 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 ...

Page 164: ... 3 0 C 16 3 5 C 17 4 0 C 7 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 8 Room t...

Page 165: ...ting description Factory setting 48 00 Both 01 Wired remote controller 12 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 02 Remote controller 00 When the o...

Page 166: ...on outdoor unit Perform appropriate function setting locally according to the installation environment NOTE Incorrect settings can cause a product malfunction CAUTION Before setting up the switch buttons discharge the static electricity from your body Never touch the terminals or the patterns on the parts that are mounted on the PCB Control PCB and switch buttons location Control PCB of the outdoo...

Page 167: ...n of L2 and L3 indicates low noise level 5 PEAK CUT MODE L4 L5 and L6 Orange Lights on during Peak cut mode when local setting is activated Lighting pattern of L4 L5 and L6 indicates peak cut level Switch button Function or operation method S134 MODE Switches between Local setting and Error code display S133 SELECT Switches between the individual Local settings and the Error code displays S132 ENT...

Page 168: ...CT switch button S133 and adjust the LED lamps as shown below PEAK CUT MODE 1 Low MODE 2 Lower Blink Blink L4 L5 L6 6 Press the ENTER switch button S132 and fix it PEAK CUT MODE 1 Low MODE 2 Lower L4 L5 L6 7 To return to Operating status display Normal operation press the EXIT switch button S131 In case of missing how many times you pressed the SELECT and ENTER switch buttons 1 To return to Operat...

Page 169: ...tton S133 and adjust the LED lamps as shown below 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated input ratio Blink Blink Blink Blink Blink PEAK CUT L4 L5 L6 6 Press the ENTER switch button S132 and fix it 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated input ratio PEAK CUT L4 L5 L6 7 To return to Operating status display Norm...

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