Fujitsu General AOHG07KMCC Service Manual Download Page 27 | Manualshive

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Item no.

Part no.

Part name

Service part

1

9322556028

Top panel assy

♦

2

9322811011

Protective net assy

♦

3

9322552020

Cabinet right assy

♦

4

9322570000

Switch cover assy

♦

5

9709687130

Main PCB

♦

6

9900727062

Thermistor assy

♦

7

9900850012

Thermistor (Outdoor temp.)

♦

8

9900583019

Reactor assy

♦

9

9322419002

Heat sink

♦

10

9322314000

Base assy

♦

11

9322144003

Drain pipe

♦

12

9322555014

Front panel assy

♦

13

9319157009

Emblem

♦

14

9322135001

Blow grille

♦

15

9322136008

Propeller fan

♦

16

9603553005

Brushless motor

♦

17

9322553010

Motor bracket assy

♦

18

9323834019

Heat exchanger unit

♦

a

—

Inverter assy

—

3-2. Model: AOHG14KMCC

- (02-11) -

3. Outdoor unit parts list

TECHNICAL DATA

AND PARTS LIST

TECHNICAL DATA

AND PARTS LIST

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Summary of Contents for General AOHG07KMCC

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASHG07KMCE ASHG09KMCE ASHG12KMCE ASHG14KMCE OUTDOOR AOHG07KMCC AOHG09KMCC AOHG12KMCC AOHG14KMCC SR_AS061EG_02 2022 02 03 ...

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 02 03 SR_CH01_AS061EG_01 ...

Page 6: ...CONTENTS 1 GENERAL INFORMATION 1 Specifications 01 1 1 1 Indoor unit 01 1 1 2 Outdoor unit 01 4 2 Dimensions 01 5 2 1 Indoor unit 01 5 2 2 Outdoor unit 01 7 ...

Page 7: ...erating current 1 Cooling A 6 5 6 5 6 5 6 5 Heating 9 0 9 0 9 0 9 0 Fan Airflow rate Cooling HIGH m3 h 650 700 700 770 MED 540 560 560 600 LOW 430 430 430 450 QUIET 270 270 270 280 Heating HIGH 720 750 780 820 MED 580 610 640 660 LOW 460 470 520 520 QUIET 330 330 330 340 Type Q ty Crossflow fan 1 Motor output W 27 Sound pressure level 2 Cooling HIGH dB A 38 40 40 43 MED 33 34 35 36 LOW 29 29 30 30...

Page 8: ...or unit Protective function might work when using it outside the operation range 1 Maximum current is maximum value when operated within the operation range 2 Sound pressure level Measured values in manufacturer s anechoic chamber Because of the surrounding sound environment the sound levels measured in actual installation conditions might be higher than the specified values here 3 Available on Go...

Page 9: ...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 kWh kWh 7 4 7 4 7 3 6 9 SCOP Heating Average 4 1 4 1 4 4 4 1 Annual energy consumption QCE kWh a 95 118 163 213 QHE Average 785 819 795 1 367 Sound power level Cooling HIGH dB A 54 55 55 57 Heating 56 57 58 59 1 1 Indoor unit 01 3 1 Specifications GENERAL INFORMATION GENERAL INFORMATION ...

Page 10: ...r Beige Approximate color of Munsell 10YR 7 5 1 0 Dimensions H W D Net mm 541 663 290 542 799 290 Gross 602 804 375 602 940 375 Weight Net kg 22 24 31 Gross 25 27 35 Connection pipe Size Liquid mm in Ø6 35 Ø1 4 Gas Ø9 52 Ø3 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 Tip diameter mm Ø13 0 I ...

Page 11: ...09KMCE ASHG12KMCE and ASHG14KMCE Unit mm 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 0 270 359 418 492 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...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 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ... 68 16 33 30 290 353 330 Pitch of bolts for installation 4 M10 hole Bottom view Side view Valve part Top view Side view Side view Front view Pitch of bolts for installation 353 541 20 184 120 37 170 331 Drain port Ø42 2 2 Outdoor unit 01 7 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 14: ...lation 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 8 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 15: ...2 TECHNICAL DATA AND PARTS LIST 2022 02 03 SR_CH02_AS061EG_01 ...

Page 16: ... Accessories 02 14 4 1 Indoor unit 02 14 4 2 Outdoor unit 02 14 5 Optional parts 02 15 5 1 Controllers 02 15 5 2 Others 02 16 6 Refrigerant system diagrams 02 18 6 1 Models AOHG07KMCC AOHG09KMCC and AOHG12KMCC 02 18 6 2 Model AOHG14KMCC 02 19 7 Wiring diagrams 02 20 7 1 Indoor unit 02 20 7 2 Outdoor unit 02 21 8 PC board diagrams 02 22 8 1 Models ASHG07KMCE ASHG09KMCE ASHG12KMCE and ASHG14KMCE 02 ...

Page 17: ...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 18: ...9KMCE ASHG12KMCE and ASHG14KMCE Exterior parts 17 1 a 4 5 7 8 9 12 15 2 16 14 11 3 13 18 19 6 10 8 20 21 2 1 Models ASHG07KMCE ASHG09KMCE ASHG12KMCE and ASHG14KMCE 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 19: ...ssy 11 9387478068 Under cover R 12 9384977069 Front panel total assy 13 9333704005 Grille clamper R 14 9323694019 Intake grill assy 15 9333719009 Grille clamper L 16 9387473018 Air filter 17 9387477061 Under cover L 18 9316177017 Drain cap 19 9316904002 Drain hose assy 20 9318912005 Remote controller holder 21 9352446092 Remote controller a Step motor holder 2 1 Models ASHG07KMCE ASHG09KMCE ASHG12...

Page 20: ... 54 a b c 55 d 56 59 60 57 62 61 e f 64 63 65 66 g 69 68 50 51 51 52 53 53 67 58 2 1 Models ASHG07KMCE ASHG09KMCE ASHG12KMCE and ASHG14KMCE 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...els 9603492021 Brushless motor For 14 model 62 9387589047 Motor case assy 63 9317250009 Air clean filter assy 64 9332911008 Electric filter holder 65 9387593211 Evaporator total assy For 07 12 models 9387593204 Evaporator total assy For 14 model 66 9900627065 Thermistor assy 67 9387467017 Room thermistor holder 68 9333628004 Bearing D assy 69 9333606033 Crossflow fan assy 9901010071 Wire with conn...

Page 22: ...7KMCC AOHG09KMCC and AOHG12KMCC Exterior parts and chassis 1 18 17 16 14 13 12 11 10 9 8 7 6 2 3 4 5 a 15 3 1 Models AOHG07KMCC AOHG09KMCC and AOHG12KMCC 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...22144003 Drain pipe 10 9323501003 Base assy 11 9322555328 Front panel assy 12 9383190001 Emblem 13 9322135001 Blow grille 14 9322136008 Propeller fan 15 9603553005 Brushless motor 16 9322553089 Motor bracket assy for 07 09 model 9322553096 Motor bracket assy for 12 model 17 9322272003 Condenser total assy for 07 09 model 9322273000 Condenser total assy for 12 model 18 9322811059 Protective net ass...

Page 24: ... Compressor A A 50 51 52 53 54 55 56 57 58 59 60 60 61 60 61 61 3 1 Models AOHG07KMCC AOHG09KMCC and AOHG12KMCC 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 25: ...xpansion valve coil 54 9322403001 Pulse motor valve assy 55 9322472007 2 way valve assy 56 9322473004 3 way valve assy 57 9322389008 S insulator H 58 9334109007 S insulator F 59 9324110006 S insulator B 60 9322386007 Cushion rubber 61 9313437008 Special nut 3 1 Models AOHG07KMCC AOHG09KMCC and AOHG12KMCC 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 26: ... Model AOHG14KMCC Exterior parts and Chassis 1 2 4 a 18 11 5 6 8 9 14 13 3 10 12 15 16 17 7 3 2 Model AOHG14KMCC 02 10 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ...utdoor temp 8 9900583019 Reactor assy 9 9322419002 Heat sink 10 9322314000 Base assy 11 9322144003 Drain pipe 12 9322555014 Front panel assy 13 9319157009 Emblem 14 9322135001 Blow grille 15 9322136008 Propeller fan 16 9603553005 Brushless motor 17 9322553010 Motor bracket assy 18 9323834019 Heat exchanger unit a Inverter assy 3 2 Model AOHG14KMCC 02 11 3 Outdoor unit parts list TECHNICAL DATA AND...

Page 28: ... Compressor 50 51 52 53 54 55 a 56 b A A 60 59 58 57 61 62 3 2 Model AOHG14KMCC 02 12 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ...tor valve assy 55 9322474001 2 way valve assy 56 9322475008 3 way valve assy 57 9324024006 S insulator B 58 9322536006 S insulator F 59 9322537003 S insulator H 60 9323045002 S insulator V 61 9322386007 Cushion rubber 62 9313437008 Special nut a Valve bracket b Muffler 3 2 Model AOHG14KMCC 02 13 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 30: ...5 Installation manual 1 Tapping screw small 2 Remote controller 1 Wall hook bracket 1 Battery 2 Filter holder 2 Remote controller holder 1 Air cleaning filters 1 4 2 Outdoor unit Models AOHG07KMCC AOHG09KMCC AOHG12KMCC and AOHG14KMCC Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain pipe 1 4 1 Indoor unit 02 14 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AN...

Page 31: ...ilt in thermo sensor Wire type Non polar 2 wire Simple remote controller UTY RSRG Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Non polar 2 wire Optional communication kit is necessary for installation Simple remote controller UTY RHRG Compact remote controller concentrates on the basic functions such a...

Page 32: ...AN adapter UTY TFSXF2 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets Appropriate application for each region is required to use this option For details contact FGL sales company Modbus converter UTY VMSX For connection between indoor unit with UART interface and a Modbus open network KNX converter UTY VKSX For connection between indoor unit with UAR...

Page 33: ...me Summary External switch controller UTY TERX Air conditioner switching can be controlled by connecting other external sensor switches 5 2 Others 02 17 5 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 34: ...DOOR 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 Thermistor Pipe temperature ThR ThPI Muffler 6 1 Models AOHG07KMCC AOHG09KMCC and AOHG12KMCC 02 18 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 35: ...ssor Cooling Heating ThD ThR ThPI ThO ThHO Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat exchanger out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Muffler 6 2 Model AOHG14KMCC 02 19 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 36: ...7 Wiring diagrams 7 1 Indoor unit Models ASHG07KMCE ASHG09KMCE ASHG12KMCE and ASHG14KMCE 7 1 Indoor unit 02 20 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 37: ...7 2 Outdoor unit Models AOHG07KMCC AOHG09KMCC AOHG12KMCC and AOHG14KMCC 7 2 Outdoor unit 02 21 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 38: ...TE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE 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 1801HSE 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 XA...

Page 39: ...tput Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Red Black White Yellow Brown 2 7 P650 DC Fan Motor DC340V DC15V DC12V P5 Thermistor Characteristics Thermistor Discharge temp 168 60 k 62 55 k 40 01 k 0 36 V 0 86 V 1 23 V 0 20 30 Thermistor Thermistor Outdoor temp 35 21 k 12 64 k 7 97 k 2 61 V 3 76 V 4 14 V Temperature P1 Thermistor Characte...

Page 40: ...8 2 Models AOHG07KMCC AOHG09KMCC AOHG12KMCC and AOHG14KMCC 02 24 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 41: ...3 TROUBLESHOOTING 2022 02 03 SR_CH03_AS061EG_01 ...

Page 42: ... 15 2 12 E 5U Indoor unit error 03 16 2 13 E 62 Outdoor unit main PCB error Outdoor unit 03 17 2 14 E 64 PFC circuit error Outdoor unit 03 18 2 15 E 65 IPM error Outdoor unit 03 19 2 16 E 71 Discharge thermistor error Outdoor unit 03 21 2 17 E 73 Outdoor unit heat exchanger liquid outlet thermistor error Outdoor unit 03 22 2 18 E 74 Outdoor temperature thermistor error Outdoor unit 03 23 2 19 E 84...

Page 43: ...4 5 Outdoor unit fan motor 03 49 5 Thermistor resistance values 03 50 5 1 Indoor unit 03 50 5 2 Outdoor unit 03 51 CONTENTS continued ...

Page 44: ......

Page 45: ...rized 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 46: ...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 times 15 times Continuous 5U E 62 Outdoor unit main PCB error Outdoor unit 6 times 2 times Continuous 62 E 64 PFC circuit error Outdoor unit 6 times 4 times Continuous 64 E 65 IPM error Outdo...

Page 47: ...Outdoor 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 48: ...03 39 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 49: ...wer 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 If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check connection condition is control unit If there is loose connector open cable or mis wiring Check...

Page 50: ...3 If it is abnormal replace 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 2 2 E 11 Serial communication error Serial forward transfer error Indoor unit 03 6 2 Troubleshooting with error c...

Page 51: ...ction of terminal After turning off the power check correct the followings Check the connection of terminal between remote controller and indoor unit and check if there is a disconnection of the cable Check point 2 Check connection 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 m...

Page 52: ...ck the connection Check any loose or removed connection between the main PCB to the WAN 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 WLAN adapter and the main PCB If there is loose con nector open cable or mis wiring Check point 2 Replace the WLAN adapter If check point 1 do not improve...

Page 53: ...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 5 ...

Page 54: ... 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 6 E 23 Combination...

Page 55: ...g 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 Re...

Page 56: ...Forecast 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 57: ...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 50 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...

Page 58: ...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 50 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 ...

Page 59: ...te 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 u...

Page 60: ...r Indoor unit E 12 Wired remote controller communication error Indoor unit E 18 External communication error Indoor unit E 22 Indoor unit capacity error Indoor unit E 23 Combination error Outdoor unit E 32 Indoor unit main PCB error Indoor unit E 35 MANUAL AUTO button error Indoor unit E 41 Room temperature sensor error Indoor unit E 42 Indoor unit heat exchanger sensor error Indoor unit E 51 Indo...

Page 61: ...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 62: ...k 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 ...

Page 63: ...pressor 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 circu...

Page 64: ...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 15 E 65 IPM error Outdoor unit 03 20 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 65: ...or 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 50 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 66: ...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 50 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Page 67: ...e 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 50 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 ...

Page 68: ...ponents 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 th...

Page 69: ...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 70: ...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 71: ...ped 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 inf...

Page 72: ...nger 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 73: ...Ω at 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 23 E 99 4 way valve error Outdoor unit 03 29 2 Troubleshooting w...

Page 74: ...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 39 Check the strainer clogging Check point 3 Check the outdoor...

Page 75: ...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 24 E A1 Discharge temperature error Outdoor unit 03 31 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 76: ...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 77: ...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 78: ...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 79: ...eck 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 ther...

Page 80: ...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 36 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 81: ...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 82: ...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 38 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 83: ...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 84: ...terminal connection of main PCB loose or incorrect wiring Main 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 2 180 7 Ω at 20 C U R W C V S RED WHITE BLACK If the resistance value is 0 Ω or infinite replace compressor 4 2 Inverter compressor 03 40 4 Service parts information TROUBLESHOOTING TROUB...

Page 85: ...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 41 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 86: ...ions of the Main PCB Loosening or incorrect wiring W400 U Red W401 V White W402 W Black Main PCB W Compressor Black White Red U V Check point 2 Check the winding resistance Check the winding resistance of each terminal Resistance value 1 975 7 Ω at 25 C R U C W S V RED WHITE BLACK If the resistance value is 0 Ω or infinite replace the compressor 4 2 Inverter compressor 03 42 4 Service parts inform...

Page 87: ...Check point 3 Replace the Inverter PCB If check point 1 to 2 do not improve the symptom replace the Inverter PCB 4 2 Inverter compressor 03 43 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 88: ...normal 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 ...

Page 89: ...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 45 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 90: ... 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 and outlet Pipe In Pipe Out Hi...

Page 91: ...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 47 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 92: ...r 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 Ground terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Blue Feed back FG 4 4 Indoor unit fan motor 03 48 4 S...

Page 93: ...r 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 Ground terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Blue Feed back FG 4 5 Outdoor unit fan motor 03 49 4...

Page 94: ... 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 95: ...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 51 5 Thermistor resistance va...

Page 96: ... 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 97: ...4 CONTROL AND FUNCTIONS 2022 02 03 SR_CH04_AS061EG_01 ...

Page 98: ... Defrost operation in heating operation stopped 04 25 7 Various control 04 26 7 1 Auto restart 04 26 7 2 MANUAL AUTO operation 04 26 7 3 Forced cooling operation 04 27 7 4 10 C HEAT operation 04 27 7 5 ECONOMY operation 04 27 7 6 POWERFUL operation 04 28 7 7 Fresh air control 04 28 7 8 Compressor preheating 04 28 7 9 External electrical heater control 04 29 7 10 Electronic expansion valve control ...

Page 99: ...r 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 rotation number of compressor is controlled within the range shown in the table below However the maximum rotation number is limited in the range shown in the figure below based on the in door fan mode and the outdoor temperature Rotation number ran...

Page 100: ...MCE A zone 84 49 36 24 B zone 84 49 36 24 C zone 84 49 36 24 D zone 60 44 34 22 E zone 60 44 34 22 F zone 60 44 34 22 ASHG09KMCE ASHG12KMCE A zone 90 52 36 24 B zone 90 52 36 24 C zone 90 52 36 24 D zone 64 46 34 22 E zone 64 46 34 22 F zone 64 46 34 22 ASHG14KMCE A zone 89 44 34 22 B zone 89 44 34 22 C zone 89 44 34 22 D zone 62 40 32 20 E zone 62 40 32 20 F zone 62 40 32 20 1 1 Cooling operation...

Page 101: ...own below Rotation number range of compressor Unit rps Model name Minimum rotation number Maximum rotation number ASHG07KMCE ASHG09KMCE ASHG12KMCE 14 110 ASHG14KMCE 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 17 C B zone 19 C C zone 14 C 12 C Outdoor temperature rises Outdoor temperatu...

Page 102: ...erature Rotation number range of compressor Unit rps Model name Outdoor temperature zone Operating frequency ASHG07KMCE ASHG09KMCE ASHG12KMCE X zone 24 J zone 18 Y zone 0 ASHG14KMCE X zone 24 J zone 16 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 operation 04 4...

Page 103: ...number II Rotation number III Rotation number IV Rotation number V Rotation number VI Rotation number VII Time 1 Time 2 Time 3 Time 4 Time 5 Time 6 Time 7 Rotation number rps I II III IV V VI VII 45 56 68 77 84 93 103 Time sec 1 2 3 4 5 6 7 60 140 170 220 280 360 430 1 4 Rotation number of compressor at normal start up 04 5 1 Rotation number control of compressor CONTROL AND FUNCTIONS CONTROL AND ...

Page 104: ...el name Outdoor temperature zone Limitation of compressor rotation number AOHG07KMCC AOHG09KMCC AOHG12KMCC A zone 42 rps B zone 42 rps C zone 33 rps D zone 28 rps E zone 16 rps F zone 21 rps AOHG14KMCC A zone 36 rps B zone 36 rps C zone 28 rps D zone 26 rps E zone 1 rps F zone 36 rps 1 5 Limitation of compressor rotation number by outdoor temperature 04 6 1 Rotation number control of compressor CO...

Page 105: ...07KMCC AOHG09KMCC AOHG12KMCC A zone 43 rps B zone 43 rps C zone 30 rps D zone 18 rps E zone 16 rps F zone 16 rps AOHG14KMCC A zone 37 rps B zone 37 rps C zone 36 rps D zone 15 rps E zone 1 rps F zone 1 rps 1 5 Limitation of compressor rotation number by outdoor temperature 04 7 1 Rotation number control of compressor CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 106: ...dle 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 Outdoo...

Page 107: ...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 9 2 A...

Page 108: ...470 Cooling Fan POWERFUL 1 140 1 200 1 200 1 320 HIGH 1 070 1 130 1 130 1 250 MED 920 940 940 1 020 LOW 780 780 780 810 QUIET 570 570 570 580 Soft quiet 490 1 490 1 490 1 510 1 S LOW 420 2 420 2 420 2 470 2 Dry X zone 570 J zone 570 X zone 570 J zone 570 X zone 570 J zone 570 X zone 580 J zone 580 1 Fan mode only 2 Cooling mode only Fan operation Airflow can be switched in 5 steps such as AUTO QUI...

Page 109: ...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 LOW MED HIGH as shown in Fan speed above Airflow change over ...

Page 110: ...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 111: ...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 112: ...p Cooling Heating Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone S HIGH2 930 S HIGH1 950 930 HIGH 950 930 10 690 9 950 690 950 950 950 950 8 780 690 780 780 270 250 7 780 690 780 780 270 250 6 780 690 780 540 270 250 5 780 690 780 360 240 220 4 780 550 780 270 210 190 3 680 510 680 270 190 170 2 610 480 610 270 190 170 1 580 480 580 270 170 170 NOTE After defrost control...

Page 113: ...ne G zone S HIGH2 1 020 S HIGH1 950 1 020 HIGH 950 1 020 10 790 9 950 790 950 950 950 950 8 900 790 900 900 350 330 7 900 790 900 900 350 330 6 900 790 900 560 350 330 5 900 730 900 420 320 300 4 800 630 800 350 290 270 3 680 530 680 350 270 250 2 580 470 580 350 270 250 1 540 470 540 350 250 250 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compress...

Page 114: ...ne G zone S HIGH2 1 120 S HIGH1 990 1 120 HIGH 990 1 120 10 870 9 990 870 990 990 990 990 8 920 870 920 920 300 280 7 920 870 920 920 300 280 6 920 710 920 630 300 280 5 920 660 920 460 270 250 4 810 660 810 380 240 220 3 670 500 670 380 220 200 2 570 500 570 380 220 200 1 520 500 520 380 200 200 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compress...

Page 115: ...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 116: ...inging range Cooling mode dry mode fan mode 1 to 3 1 4 Heating mode fan mode 4 to 6 3 6 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 To select horizontal airflow swing operation No function 4 3 Swing operation 04 18 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 117: ...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 118: ...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 119: ...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 120: ...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 121: ...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 122: ...C Model AOHG14KMCC Compressor integrating operation time Less than 40 min More than 40 min Condition Does not operate Tn Tn10 5 deg Tn 6 C Tn Tnb 2 deg Tn 6 C Tn 17 C Ta 10 C Tn Ta 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 i...

Page 123: ...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 124: ...or low noise operation Remote control setting WLAN LED setting 7 2 MANUAL AUTO operation When the wireless remote controller is lost or battery power dissipated this function will work without the remote controller When 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 f...

Page 125: ...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 When 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 HEAT...

Page 126: ...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 127: ...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 When the compressor fails to start for the number of times below it does not enter operation status for 3 minutes Models AOHG07KMCC AOHG09KMCC and AOHG12KMCC Retry number 10 Retry set number 10 Model AOHG14KMCC Retry numb...

Page 128: ...SE button on the re mote controller This operation stops the PFC control and changes the current value Operation mode Current Trigger condition Release condition Cooling Dry mode 1 9 A 1 4 A Heating mode 7 13 Outdoor unit low noise operation 04 30 7 Various control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 129: ... stopped and the indoor unit LED starts blinking Trigger condition 104 C Rotation number of compressor 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 tri...

Page 130: ...46 C 5 0 A 4 5 A 12 C Ta 40 C 6 0 A 5 5 A 2 C Ta 12 C 6 0 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 8 4 Cooling pressure over rise protection When the outdoor unit heat exchanger temperature reaches trigger condition below the compressor is stopped and trouble display is performed Trigger condition 65 C 8 5 Low outdoo...

Page 131: ...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 mode Zone E 8 6 High temperature and high pressure release control 04 33 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 132: ...8 6 High temperature and high pressure release control 04 34 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 133: ...5 FILED WORKING 2022 02 03 SR_CH05_AS061EG_01 ...

Page 134: ...settings by using remote controller 05 1 1 2 Custom code setting for wireless remote controller 05 8 2 External input and output 05 9 2 1 External input 05 10 2 2 External output 05 12 2 3 Combination of external input and output 05 14 2 4 Details of function 05 16 ...

Page 135: ... changed if invalid numbers or setting values are selected When optional wired remote controller is used refer to the installation manual enclosed with the remote controller Entering function setting mode While pressing the POWERFUL 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 settin...

Page 136: ... 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 137: ...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 138: ...s 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 139: ...2 0 C 14 2 5 C 15 3 0 C 16 3 5 C 17 4 0 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 na...

Page 140: ...oo Function number Setting value Setting description Factory setting 48 00 Both 01 Wired 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 141: ...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 142: ...ss 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 c...

Page 143: ...elect Input signal Indoor unit Operation Stop CN46 Dry contact Edge Forced stop Operation status CN47 Error status Indoor unit fan operation status External input and output UTY XCSXZ2 Operation Stop CN313 CN314 Dry contact Apply voltage Edge Pulse Forced stop Forced thermostat off CN313 Edge Operation status CN310 CN311 CN312 Error status Indoor unit fan operation status 05 9 2 External input and...

Page 144: ...d pair cable should be used Maximum length of cable is 150 m 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 Connector CN46 PCB Connected unit 1 The switch can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA 2 1 External input 05 10 2 External input and outpu...

Page 145: ...nput 1 PCB Connected unit 1 2 3 Input 2 Connector CN313 Connector 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 SW301 to VOL side 1 2 3 Input 1 Power supply PCB Connected unit 2 1 2 3 Input 2 Connector CN313 Connector CN314 1 The switches can be used on the following condition DC 12 V...

Page 146: ...or details refer to Combination of external input and output on page 05 14 When indicator or other components are connected directly Example Function setting 60 is set to 00 1 2 Connector CN47 LED PCB Resistor Connected unit When connecting with a device equipped with a power supply Example Function setting 60 is set to 00 1 2 Connected device Connector CN47 PCB Connected unit Relay Operation stat...

Page 147: ...310 LED 1 Operation status PCB Resistor Connected unit 1 2 Connector CN311 LED 2 Error status Resistor 1 2 Connector CN312 LED 3 Indoor unit fan operation status Resistor When connecting with a device equipped with a power supply Example Rotary SW on External input and output PCB is set to 1 1 2 Connected device 1 Connector CN310 PCB Connected unit Relay Operation status 1 2 Connected device 2 Con...

Page 148: ... setting 46 02 or Operation Stop mode2 Function setting 46 03 Forced thermostat OFF Not available 10 60 10 C 11 60 11 D Setting prohibited Mode Function setting Rotary SW External output Indoor unit External input and output PCB CN47 CN310 CN311 CN312 0 1 60 00 1 Operation Stop Operation Stop Error status Indoor unit fan operation status 0 2 60 00 2 Operation Stop Error status Indoor unit fan oper...

Page 149: ... selected Signal type edge or pulse can be switched by the DIP switch SW302 on the External input and out put PCB Pulse The width of pulse must be longer than 200 msec Edge 2 3 Combination of external input and output 05 15 2 External input and output FIELD WORKING FIELD WORKING ...

Page 150: ...ntroller On Off Indoor unit On CN313 In the case of Pulse input Function setting Rotary SW on External input and output PCB External input Input signal Command 46 00 1 External input and output PCB CN313 Pulse Operation CN314 Pulse Stop On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 NOTES The last command has priority The indoor units within the same remote controller gr...

Page 151: ...rnal input and output PCB External input Input signal Command 46 02 1 External input and output PCB CN313 Pulse Forced stop CN314 Pulse Normal On Off Operation Stop Remote controller On Off Forced stop Normal CN313 CN314 On On On Indoorunit NOTES When the forced stop is triggered indoor unit stops and Operation Stop operation by the re mote controller is restricted When forced stop function is use...

Page 152: ...the case of Pulse input Function setting Rotary SW on External input and output PCB External input Input signal Command 46 03 1 External input and output PCB CN313 Pulse Operation CN314 Pulse Stop R C disabled On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 R C disabled Off On NOTE When Operation Stop mode 2 function is used with forming a remote controller group connect ...

Page 153: ...put PCB External input Input signal Command 60 00 60 09 60 10 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 Input 2 4 Details of function 05 19 2 External input and output FIELD WORKING FIELD WORKING ...

Page 154: ...On Off CN47 On Off CN310 Indoor unit Error status Function setting Rotary SW on External input and output PCB External output Output signal Command 60 09 B Output of indoor unit CN47 Off On Error On Off Normal 60 00 2 External input and output PCB CN310 Off On Error On Off Normal 60 00 1 CN311 Off On Error 60 10 C On Off Normal 60 11 D CN312 Off On Error On Off Normal The output is ON when an erro...

Page 155: ...put PCB CN311 Off On Fan run 60 09 B 60 11 D On Off Fan stop 60 00 1 CN312 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is operating Low High Off The fan is stopped or during cold air prevention High Low During thermostat off when in dry mode operation Fan run Fan stop On Off CN47 On Off CN311 312 Indoor unit 2 4 Details of function 05 21 2 External input and outpu...

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