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Kinghome KW09CQ2B8A, Service Manual

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Kinghome KW09CQ2B8A Service Manual Download Page 111

108

Installation and Maintenance

Service Manual

5. Malfunction of detecting plate(WIFI) JF

Start

Is malfunction 

eliminated

The end

check if the connection wire
 are correctly connected

Replace the 

detecting 

plate 

with the same model

Replace the mainboard 

with the same model

Yes

Yes

No

 Note: 

(only for the mode with this function)

Summary of Contents for KW09CQ2B8A

Page 1: ...Service Manual...

Page 2: ...agram 40 5 2 PCB Printed Diagram 53 6 Function and Control 64 6 1 Remote Controller Introduction 64 6 2 Ewpe Smart App Operation Manual 77 6 3 Brief Description of Modes and Functions 78 Part Installa...

Page 3: ...Indoor Unit 119 10 2 Outdoor Unit 132 11 Removal Procedure 163 11 1 Removal Procedure of Indoor Unit 163 11 2 Removal Procedure of Outdoor Unit 173 Appendix 193 Appendix 1 Reference Sheet of Celsius...

Page 4: ...Unit KW09HQ1B8AO KW12HQ1B8AO KW09HQ3B8AO KW12HQ3B8AO KW09HQ2B8AO KW12HQ2B8AO KW09CQ2B8AO KW12CQ2B8AO KW09CQ2B8DO KW12CQ2B8DO KW09HQ2B8DO KW12HQ2B8DO KW09HQ1B8DO KW12HQ1B8DO KW12CQ1B8DO KW09HQ3B8DO KW1...

Page 5: ...on Service Manual Remote Controller YAN1F1F KW24HQ2B8DO KW24CQ2B8DO YAN1F6F WiFi YV1FB7F Model Remote control For some models YAN1F1F KW24HQ2B8D YV1FB7F KW12CQ1B8D KW18CQ1B8D KW24CQ1B8D KW18CQ2B8D KW2...

Page 6: ...3700_L74316 13 KW12HQ3B8A CB438008200_L74316 KW12HQ3B8AI CB438N08200_L74316 KW12HQ3B8AO CB425W07900_L74316 14 KW09HQ3B8D CB438008100_L74316 KW09HQ3B8DI CB438N08100_L74316 KW09HQ3B8DO CB425W08500_L7431...

Page 7: ...12HQ1B8DI Indoor Unit Product Code CB438N03602_L74316 CB438N01402_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 7 8X22 13 16 3 7 8X25 Fan Motor Cooling Speed SH H M L r min 1350 120...

Page 8: ...ow Volume of Outdoor Unit CFM 942 942 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moistu...

Page 9: ...Q2B8AI Indoor Unit Product Code CB438N02500_L74316 CB438N02800_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 55 64X25 3 55 64X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 105...

Page 10: ...r W 30 30 Fan Motor RLA A 0 55 0 55 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1059 1177 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Climate Type T1...

Page 11: ...W12CQ2B8DI Indoor Unit Product Code CB438N00300_L74316 CB438N00200_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 55 64X25 3 55 64X25 Fan Motor Cooling Speed SH H M L r min 1350 1200...

Page 12: ...A Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1059 1177 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Climate Type T1 T1 Isolation I I Moisture Protec...

Page 13: ...nit KW09HQ2B8AI KW09HQ1B8AI Indoor Unit Product Code CB438N02601_L74316 CB438N03702_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 55 64X25 3 7 8X22 13 16 Fan Motor Cooling Speed SH...

Page 14: ...55 0 24 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1059 1059 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Automatic Defrosting Automatic Defrosting C...

Page 15: ...W12CQ1B8DI KW18HQ2B8DI Indoor Unit Product Code CB438N01601_L74316 CB438N06400_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 7 8X25 4 1 6X27 13 16 Fan Motor Cooling Speed SH H M L r...

Page 16: ...n Motor Capacitor F 2 5 Air Flow Volume of Outdoor Unit CFM 942 3200 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 20 15 32 Defrosting Method Automatic Defrosting Climate Type T1 T1 Isolatio...

Page 17: ...t KW12HQ1B8AI KW12HQ2B8AI Indoor Unit Product Code CB438N03902_L74316 CB438N02901_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 7 8X24 15 16 3 55 64X25 Fan Motor Cooling Speed SH H...

Page 18: ...0 55 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1059 1177 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Automatic Defrosting Automatic Defrosting Cli...

Page 19: ...unit KW12HQ3B8DI KW09HQ3B8DI Indoor Unit Product Code CB438N08300_L74316 CB438N08100_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 7 8X25 3 55 64X22 5 6 Fan Motor Cooling Speed SH H...

Page 20: ...0 36 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1600 942 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Automatic Defrosting Automatic Defrosting Clim...

Page 21: ...oor Unit Product Code CB438N08200_L74316 CB438N08000_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 7 8X24 15 16 3 7 8X24 15 16 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000...

Page 22: ...Fan Motor RLA A 0 23 0 24 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1059 1059 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Automatic Defrosting Clim...

Page 23: ...l of indoor unit KW09HQ2B8DI KW12HQ2B8DI Indoor Unit Product Code CB438N02301_L74316 CB438N02701_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 3 55 64X25 3 55 64X25 Fan Motor Cooling...

Page 24: ...r Capacitor F Air Flow Volume of Outdoor Unit CFM 1059 1177 Fan Type Axial flow Axial flow Fan Diameter inch 15 3 4 15 3 4 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T...

Page 25: ...or unit KW18HQ1B8DI KW24HQ1B8DI Indoor Unit Product Code CB438N01502_L74316 CB438N01802_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 4 3 16X27 13 16 4 1 4X32 11 16 Fan Motor Cooling...

Page 26: ...8X26X7 8 33 5 16X1 3 4X26 Fan Motor Speed rpm 800 800 Output of Fan Motor W 60 60 Fan Motor RLA A 0 52 0 4 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1883 1883 Fan Type Axial flow Axial...

Page 27: ...8DI Indoor Unit Product Code CB438N01901_L74316 CB438N01701_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 4 3 16X27 13 16 4 1 4X32 11 16 Fan Motor Cooling Speed SH H M L r min 1350 12...

Page 28: ...Length LXDXW inch 34 11 16X26X7 8 33 5 16X1 3 4X26 Fan Motor Speed rpm 800 800 Output of Fan Motor W 60 60 Fan Motor RLA A 0 52 0 4 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1883 3200...

Page 29: ...unit KW18HQ3B8DI KW24HQ3B8DI Indoor Unit Product Code CB438N07800_L74316 CB438N07900_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 4 3 16X27 13 16 4 1 4X32 11 16 Fan Motor Cooling Sp...

Page 30: ...DXW inch 33 5 8X26X7 8 33 5 16X1 3 4X26 Fan Motor Speed rpm 800 800 Output of Fan Motor W 60 60 Fan Motor RLA A 0 52 0 4 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1883 3200 Fan Type Ax...

Page 31: ...8CQ2B8DI Indoor Unit Product Code CB438N02401_L74316 CB438N10000_L74316 Fan Type Cross flow Cross flow Diameter Length DXL inch 4 1 4X32 7 10 4 3 16X27 13 16 Fan Motor Cooling Speed SH H M L r min 130...

Page 32: ...0 65 0 49 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 2354 3200 Fan Type Axial flow Axial flow Fan Diameter inch 21 21 32 20 15 32 Defrosting Method Automatic Defrosting Automatic Defros...

Page 33: ...t Model of indoor unit KW24CQ2B8DI Indoor Unit Product Code CB438N08600_L74316 Fan Type Cross flow Diameter Length DXL inch 4 1 4X32 7 10 Fan Motor Cooling Speed SH H M L r min 1300 1100 900 850 Fan M...

Page 34: ...2X29 7 16 Fan Motor Speed rpm 820 Output of Fan Motor W 92 Fan Motor RLA A 0 65 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 4000 Fan Type Axial flow Fan Diameter inch 21 21 32 Defrostin...

Page 35: ...r DB70 F WB60 F Outdoor DB19 94 F WB19 04 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB70 F WB60 Outdoor DB19 94 F WB19 04 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB...

Page 36: ...65 60 55 50 Outdoor temp F Capacity ratio Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F Indoor air flow Super High Pipe length 24 6ft Conditions Indoor DB70 F Outdoor DB19 94 F WB19 04 F Indoor air...

Page 37: ...1 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 75 Rated heating condition F DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchange...

Page 38: ...oise dB A 50 60 30 40 20 Low Middle High Super High 40 42 44 46 48 50 52 54 56 20 40 30 50 60 70 80 90 Noise dB A 09 12K Cooling 09 12K Heating 09K 12K 20 30 40 50 L M H 18K 24K SH Indoor fan motor ra...

Page 39: ...09CQ2B8DI KW09HQ2B8DI Models W H D 09K 31 1 8 10 13 16 7 7 8 KW09CQ2B8AI KW09CQ2B8DI KW09HQ2B8DI 12K 33 1 4 11 3 8 8 1 4 18K 38 3 16 11 13 16 8 13 16 24K 42 7 16 12 13 16 9 11 16 W D H 3 9 16 5 7 8 2...

Page 40: ...8 21 1 4 Unit inch Unit inch 30 9 16 21 1 4 12 5 8 28 11 1 4 20 10 1 8 KW09HQ1B8AO KW12HQ1B8AO KW09HQ3B8AO KW12HQ3B8AO KW09HQ2B8AO KW12HQ2B8AO KW09CQ2B8AO KW12CQ2B8AO KW09CQ2B8DO KW12CQ2B8DO KW09HQ2B...

Page 41: ...ce Manual Unit inch 35 13 3 8 27 9 16 15 5 8 38 14 5 16 22 KW09HQ1B8DO KW12HQ1B8DO KW12CQ1B8DO KW09HQ3B8DO KW12HQ3B8DO KW18CQ2B8DO KW18HQ2B8DO KW24HQ2B8DO KW24CQ2B8DO Unit inch 14 37 64 31 7 64 16 13...

Page 42: ...ipe side Gas pipe side Strainer Capillary Compressor Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe s...

Page 43: ...alve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Accumlator Compressor Indoor unit Outdoo...

Page 44: ...ap is used to determine fan speed and the swing angle of horizontal lover for this model KW09HQ1B8AI KW12HQ1B8AI KW09HQ3B8AI KW12HQ3B8AI KW09HQ1B8DI KW12HQ1B8DI KW12CQ1B8DI KW09HQ3B8DI KW12HQ3B8DI KW1...

Page 45: ...RQLF FRPSRQHQW DQG WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW HOHFWULF VKRFN 6361000013201 67 33 1 3 9 325 725 1 02725 803 3 0 1 2 5 1 1 1 1...

Page 46: ...UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW HOHFWULF VKRFN KW09CQ2B8DI KW12CQ2B8DI KW09HQ2B8DI KW12HQ2B8DI 6361000013301 67 33 1 3 2 7 50 1 9 325 725 1 02725 803 3 0 1 2...

Page 47: ...electronic component and terminal when the machine is running stopping or has been powered off for less than 3 minutes to prevent electric shock STEPPING CAP BLOCK TERMINAL G EVAPORATOR FAN JUMP AP2...

Page 48: ...7 1 7 5 27720 9 9 9 1 97 97 8 5 1 1 1 1 8 1 1 0 1 7 5 1 1 225 81 7 L N 3 35 17 5 8 7 2 5 7 3 2 N 1 0RWRU DSSOLHV WR WKH LURQ VKHOO PRWRU 9 1 127 0RWRU RQO DSSOLHV WR WKH LURQ VKHOO PRWRU JURXQG 3OHDVH...

Page 49: ...7 9 0 1 7 5 1 0 1 7 5 1 INDOOR UNIT HEAT_L HEAT_N L1 L1 L1 RD YE BU WARNING minutes to prevent the risk powered off for less than 30 running stopping or has been terminal when the machine is Please do...

Page 50: ...1 HDWHU DQG RWWRP 5 9 1 7521 3 16 21 9 9 0 1 7 KW12CQ1B8DO INDOOR UNIT G L3 BU W V U RD YE COMP COMP LX1 1 LX1 2 PROTECTOR OVERLOARD TERMINAL XT POWER L2 L1 OFAN FAN M G G RD OVC COMP SAT W V U BN BK...

Page 51: ...2 7 50 1 3 16 21 2035 6625 7 1 7 1 7 5 8 1 1 0 1 7 5 1 0 1 7 5 1 1 29 5 7 3 35 17 5 8 7 2 5 0RWRU DSSOLHV WR WKH LURQ VKHOO PRWRU 1 225 81 7 KW09CQ2B8DO KW12CQ2B8DO 127 0RWRU RQO DSSOLHV WR WKH LURQ V...

Page 52: ...7 8 5 1 1 1 1 8 1 1 9 1 7521 3 16 21 9 9 0 1 7 5 1 1 225 81 7 1 3 2 N 1 3 35 17 5 8 7 2 5 7 0RWRU DSSOLHV WR WKH LURQ VKHOO PRWRU C4 C3 9 KW18HQ3B8DO 600007000230 9 9 3 16 21 1 7521 9 2 7 50 1 7 03 6...

Page 53: ...LJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 1 1 1 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 127 0RWRU JURXQG 5 1 7 5 27720 5 7B 1 51 1 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO...

Page 54: ...G INDC2 REACTOR BOND HEATER BOTTOM RD RD EH HEAT FAN MOTOR VALVE EXPANSION ELECTRONIC MANUAL BK RT4 OUTTUBE TEMP SENSOR 2 OVERLOAD PROTECTOR 4V VT VT 4 WAY 4YV VALVE G L5 L5 20K 15K 50K XT TERMINAL BL...

Page 55: ...2B8DO 63610000447 50K 15K 20K L2 L2 G OVERLOAD PROTECTOR TEMP SENSOR 2 OUTTUBE RT4 BK MANUAL ELECTRONIC EXPANSION VALVE FAN MOTOR COM_INNER N AC_L G L1L2 YEGN POWER G BU BN L1 L2 N 1 2 3 XT1 BK BN BU...

Page 56: ...3 203 9 8 5 1 0 1 7 29 5 2 3527 725 1 8 5 57 57 57 5 6 7 203 8 7 03 6 1625 28778 2875220 7 03 6 1625 867 7 03 6 1625 0 2 1 1 02725 1 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 1RWH 0RWRU JURXQG 32 5 8 1 5 1...

Page 57: ...W18HQ3B8DI KW24HQ3B8DI No Name 1 Interface of communication wire for indoor unit and outdoor unit 2 Interface of live wire 3 Interface of neutral wire 4 Interface of fan 5 Jumper cap 6 Auto button 7 U...

Page 58: ...ral wire 2 Needle stand for indoor fan 3 Auto button 4 Up down swing motor 5 left right swing motor 6 Interface of temperature sensor 7 Terminal for display board connection 8 Terminal of jumper cap 9...

Page 59: ...1 2 3 4 5 6 7 11 9 10 8 Top view Bottom view 1 Neutral wire 2 DC fan 3 Auto button 4 Up down swing 5 Interface of temperature sensor 6 Interface of wired controller 7 Display interface 8 Jumper inter...

Page 60: ...L2 19 Connect the positive pole of external big electrolytic capacitor 4 Temperature of temperature sensor 12 Neutral wire terminal for electric heating 20 Wire connection terminal between boards of...

Page 61: ...Connect the positive pole of external big electrolytic capacitor 4 Temperature of temperature sensor 12 Neutral wire terminal for electric heating 20 Wire connection terminal between boards of neutra...

Page 62: ...59 Technical Information Service Manual Top view Bottom view KW09CQ2B8D KW12CQ2B8D KW09HQ2B8DO KW12HQ2B8DO KW12CQ2B8DO 2 1 3 4 5 6 8 7 9 10 11 12 13 14 15...

Page 63: ...e of 4 way valve 4 Interface of electronic expansion valve 5 Interface of earthing wire 6 Interface of live wire 7 Interface of neutral wire 8 Interface of communication wire for indoor fan and outdoo...

Page 64: ...ce of fan 4 4 way valve 5 Interface of earthing wire 6 Interface of live wire 7 Interface of netural wire 8 Interface of communication 9 Interface of electronic expansion valve 10 Overload interface o...

Page 65: ...nsor 6 Interface of system low pressure protection 7 Interface of fan 8 4 way valve interface 10 11 9 2 way valve interface 12 Communication interface 14 13 Interface of live wire Interface of earthin...

Page 66: ...High pressure protection 4 Low pressure protection 5 Interface of temperature sensor 6 Overload interface of compressor 7 electronic expansion valve 8 Interface of DC fan 9 Compressor electric heater...

Page 67: ...face 2 Compressor overload protector 3 Temperature sensor 4 Electric expansion valve 5 Outdoor fan 6 4 way valve 7 Communication interface with indoor unit 8 Live wire 9 Earthing wire 10 Neutral wire...

Page 68: ...ter putting through the power the air conditioner will give out a sound Operation indicator is ON red indicator After that you can operate the air conditioner by using remote controller This is a gene...

Page 69: ...mode press this button to turn to quick COOL or quick HEAT mode icon is displayed on remote controller Press this button again to exit turbo function and icon will disappear Press or button once incre...

Page 70: ...increase or decrease 1min Hold or button 2s later the time will change quickly until reaching your required time Press TIMER ON to started up press TIMER ON button to cancel it Note Under on and off...

Page 71: ...he best energy saving effect Press TEMP and CLOCK buttons simultaneously again to exit energy saving function Note Under 8 heating function fan speed is defaulted at auto speed and it cant be adjusted...

Page 72: ...different for different Operation indicator is ON red indicator models After that you can operate the air conditioner by using remote controller Under on status pressing the button on the remote contr...

Page 73: ...high speed 5 TURBO button Under COOL or HEAT mode press this button to turn to quick COOL or quick HEAT mode icon is displayed on remote controller Press this button again to exit turbo function and i...

Page 74: ...word ON on remote controller blinks Press or button to adjust TIMER ON setting After each pressing or button TIMER ON setting will increase or decrease 1min Hold or button 2s later the time will chang...

Page 75: ...ergy saving function will cancel sleep function Under heating mode press TEMP and CLOCK buttons simultaneously to start up or turn off 8 heating function When this function is started up and 8 will be...

Page 76: ...e new batteries of the same model when replacement is required When you dont use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or theres...

Page 77: ...s ON red indicator Under on status pressing the button on the remote controller the signal icon on the display of remote controller will blink once and the air conditioner will give out a de sound whi...

Page 78: ...75 Technical Information Service Manual AUTO COOL DRY FAN HEAT OFF...

Page 79: ...ttons About WIFI function If H1 is displayed on the remote controller while it s not operated by the professional person after sales person it belongs to the misoperation Please operate it as below to...

Page 80: ...77 Technical Information Service Manual battery Cover of battery box remove reinstall...

Page 81: ...hen Ewpe Smart App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App iOS s...

Page 82: ...e is the set value under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If there s I feel function Tcompensation is 0 Others are same as a...

Page 83: ...be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode 11 Ambient temperature display cont...

Page 84: ...1 If the compressor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 32 9 F start up the machine for cooling the cooling operation will start 2 Duri...

Page 85: ...ed on 2 Defrosting a Defrosting starts the compressor is shut down and restarts it after 55 second delay b Defrosting ends the compressor stops then starts it after 55 second delay 2 Outer Fans Contro...

Page 86: ...it should not be started and should be stopped to treat according to the overload protection Clear the trouble at the mode of power turn off heating and the protection times are not counted 2 Frequen...

Page 87: ...ature at normal speed during discharging you should limit the frequency raising of compressor 3 Reducing frequency at normal speed and stopping machine If Tfrequency reducing temperature at normal spe...

Page 88: ...ust the compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if T frequency reducing temperature at normal speed of module TModule you should stop...

Page 89: ...regarded as four way valve reversion abnormity And then it can run if stop the reversion abnormity protection for four way valve 3 min and if it still can t run when the reversion abnormity protection...

Page 90: ...eration 3 When 32 F Toutdoor amb 35 6 F the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 23 F compressor stops operation while th...

Page 91: ...the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wi...

Page 92: ...sure rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection p...

Page 93: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 94: ...8 inch At least 5 7 8 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S A t l e a s t 1 1 8 i n c h Space to the obstructio At least 78 5 8 inch Space to...

Page 95: ...ang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Fini...

Page 96: ...tioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appliance must be positioned so that the plug i...

Page 97: ...e joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the open end wrench on the pipe join...

Page 98: ...n hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end 9 Hang the Indoor Unit 1 Put the bound pipes in the wall pipe and then make them pass t...

Page 99: ...han the wall hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 2 Install Drain Joint Only for cooling...

Page 100: ...start cooling 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap water for leakage detec...

Page 101: ...ror Code List 13 Malfunction of detecting plate WIFI Loads operate normally while the unit can t be normally controlled by APP 1 Main board of indoor unit is damaged 2 Detection board is damaged 3 The...

Page 102: ...Manual Off 3s and blink once during blinking ON 10s and Off 05s Not the error code It s the status code for the operation Complete unit current detection malfunction Off 3s and blink 13 times U5 8KVR...

Page 103: ...lation and Maintenance Service Manual L3 38 Outdoor DC fan motor malfunction Outdoor DC fan motor malfunction lead to compressor stop operation DC fan motor malfunction or system blocked or the connec...

Page 104: ...t recovery The Serviceman operates it for maintenance 42 Undefined outdoor unit error oE Cool compressor and outdoor fan stops operation while indoor fan operates Heat compressor outdoor fan and indoo...

Page 105: ...oard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes...

Page 106: ...eck if the connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers ar...

Page 107: ...terminal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main board that is of the same model Repl...

Page 108: ...the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model...

Page 109: ...charges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 i...

Page 110: ...n board matches with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring dia...

Page 111: ...of detecting plate WIFI JF Start Is malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the s...

Page 112: ...in the system System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Casing is too...

Page 113: ...her than 200V Fault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210...

Page 114: ...e resume to the range of 210VAC 250VAC Correctly connect the wires of compressor according to the electric wiring diagram and then turn on the unit Check the connection between the control board and t...

Page 115: ...nd high temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal p...

Page 116: ...ompressor stopping enough Fault diagnosis process No Yes No No Yes Yes Yes No Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are...

Page 117: ...ssor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the com...

Page 118: ...nutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the...

Page 119: ...id the equipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication c...

Page 120: ...he compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is ab...

Page 121: ...d for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 P...

Page 122: ...in pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminati...

Page 123: ...ice Manual 10 Exploded View and Parts List 10 1 Indoor Unit 29 28 27 30 2 4 9 10 7 12 13 15 16 17 18 19 20 21 22 23 25 26 8 1 3 5 11 14 24 6 6 31 The component picture is only for reference please ref...

Page 124: ...sy 0100200004407 0100297601 0100200004407 1 13 Wall Mounting Frame 01252043 01252484 01252043 1 14 Cross Flow Fan 10352059 10352056 10352059 1 15 Fan Motor 1501208902 1501214605 1501208902 1 16 Connec...

Page 125: ...ator Assy 0100297601 01002000030 0100200003001 1 13 Wall Mounting Frame 01252484 01252484 01252484 1 14 Cross Flow Fan 10352056 10352056 10352056 1 15 Fan Motor 1501214605 15012153 15012153 1 16 Conne...

Page 126: ...porator Assy 01002000030 01002695 01002000030 1 13 Wall Mounting Frame 01252484 01252484 01252484 1 14 Cross Flow Fan 10352056 10352056 10352056 1 15 Fan Motor 15012153 15012153 150104060029 1 16 Conn...

Page 127: ...Assy 0100200003001 0100200004407 0100297601 1 13 Wall Mounting Frame 01252484 01252043 01252484 1 14 Cross Flow Fan 10352056 10352059 10352056 1 15 Fan Motor 150104060029 1501208905 1501214607 1 16 Co...

Page 128: ...sy 0100297601 0100200004407 0100297601 1 13 Wall Mounting Frame 01252484 01252043 01252484 1 14 Cross Flow Fan 10352056 10352059 10352056 1 15 Fan Motor 1501214607 1501208905 1501214607 1 16 Connectin...

Page 129: ...ma Generator 12 Evaporator Assy 01002000030 0100200003001 1 13 Wall Mounting Frame 01252484 01252484 1 14 Cross Flow Fan 10352056 10352056 1 15 Fan Motor 150104060029 150104060029 1 16 Connecting pipe...

Page 130: ...intenance Service Manual 18K Unit 36 35 1 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 19 20 21 25 26 27 28 29 32 31 24 33 34 37 38 39 22 23 17 30 10 The component picture is only for reference please refe...

Page 131: ...212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 011001000207 1 17 Cross Flow Fan 10352060 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1501214503 1 19 Motor Press Plate 2611...

Page 132: ...1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 01100100085 01100100085 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 15012136 15012136 1 19 Motor Press Plate 26112511 26112511...

Page 133: ...intenance Service Manual 24K Unit 36 35 37 38 1 8 2 3 4 6 7 9 10 12 13 14 15 17 18 19 20 21 22 23 24 26 27 28 29 30 31 33 5 25 11 16 34 8 32 39 The component picture is only for reference please refer...

Page 134: ...1001000095 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1501214501 1 20 Connectin...

Page 135: ...r Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 15012136 15012136 1 20 Connecting pipe clamp...

Page 136: ...133 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product KW09CQ2B8AO KW12CQ2B8AO KW09CQ2B8DO KW12CQ2B8DO 10 2 Outdoor Unit...

Page 137: ...13041 01713041 1 14 Cable Cross Plate sub assy 02123015 02123015 1 15 Right Side Plate Assy 013030713 00013000001002 1 16 Cover of pass wire 01413069 02123021 1 17 Magnet Coil 07200200001202 430087670...

Page 138: ...alve Support 01713041 01713041 1 14 Cable Cross Plate sub assy 02123014P 02123014P 1 15 Right Side Plate Assy 0130306903 0130509901P 1 16 Cover of pass wire 02123013P 02123013P 1 17 Magnet Coil 430087...

Page 139: ...d Maintenance Service Manual KW18CQ1B8DO KW24CQ1B8DO The component picture is only for reference please refer to the actual product 24 8 7 6 5 4 3 2 1 16 9 15 14 13 12 11 10 23 20 18 30 25 29 28 27 26...

Page 140: ...22245002 22245002 1 14 Right Side Plate 0130509403P 0130509403P 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Wire Clamp 26115004 71010003 1 18 Temperature Sensor 3...

Page 141: ...Maintenance Service Manual KW09HQ1B8AO KW12HQ1B8AO The component picture is only for reference please refer to the actual product 12 13 14 11 1 2 4 6 7 8 9 10 18 15 16 17 33 19 22 21 20 25 24 26 3 23...

Page 142: ...3073403 03073403 1 13 Right Side Plate Assy 013030713 013030713 1 14 Valve 07100005 07100005 1 15 Valve Support 01713041 01713041 1 16 Valve 07100005 07100005 1 17 Cable Cross Plate sub assy 02123015...

Page 143: ...aintenance Service Manual 12 13 14 11 1 2 4 6 7 8 9 10 18 15 16 17 33 19 22 21 20 25 24 26 3 23 5 28 27 29 31 30 32 34 KW09HQ3B8AO KW12HQ3B8AO The component picture is only for reference please refer...

Page 144: ...y 013030713 013030713 1 14 Valve 07100005 07100005 1 15 Valve Support 01713041 01713041 1 16 Valve 07100005 07100005 1 17 Cable Cross Plate sub assy 02123015 02123015 1 18 Cover of pass wire 01413069...

Page 145: ...142 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product KW09HQ2B8AO KW12HQ2B8AO...

Page 146: ...0 1 16 Cable Cross Plate 1 02123013P 02123013P 1 17 Cable Cross Plate 2 02123014P 02123014P 1 18 Right Side Plate 0130306903 0130509901P 1 19 4 Way Valve Assy 03015200082 03073339 1 20 4 Way Valve 430...

Page 147: ...144 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product KW09HQ1B8DO KW12HQ1B8DO...

Page 148: ...3 Cover of Pass Wire 01413069 01413069 1 14 Right Side Plate Assy 013030713 013030713 1 15 Cable Cross Plate 2 02123014P 02123014P 1 16 Magnet Coil 4300040050 4300040050 1 17 Capillary Sub assy 030006...

Page 149: ...146 Installation and Maintenance Service Manual KW09HQ3B8DO KW12HQ3B8DO The component picture is only for reference please refer to the actual product...

Page 150: ...Pass Wire 01413069 01413069 1 14 Right Side Plate Assy 013030713 013030713 1 15 Cable Cross Plate 2 02123014P 02123014P 1 16 Magnet Coil 4300040050 4300040050 1 17 Electric Expansion Valve Sub Assy 03...

Page 151: ...148 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product KW12CQ1B8DO...

Page 152: ...lock 26113017 2 11 Valve 07133082 1 12 Cable Cross Plate 2 02123014P 1 13 Right Side Plate Assy 013030713 1 14 Cover of pass wire 01413069 1 15 Inhalation Tube Sub assy 03001000262 1 16 Discharge Tube...

Page 153: ...150 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product KW09HQ2B8DO KW12HQ2B8DO...

Page 154: ...243010 1 16 Cable Cross Plate 1 02123013P 02123013P 1 17 Cable Cross Plate 2 02123014P 02123014P 1 18 Right Side Plate 0130306903 0130509901P 1 19 4 Way Valve Assy 03073083 03015200098 1 20 4 Way Valv...

Page 155: ...152 Installation and Maintenance Service Manual 31 The component picture is only for reference please refer to the actual product KW18HQ1B8DO KW24HQ1B8DO...

Page 156: ...1 13 Right Side Plate 0130509403P 0130509403P 1 14 Valve Cover 22245002 22245002 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Wiring Clamp 26115004 26115004 1 18 T...

Page 157: ...154 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product KW18HQ3B8DO KW24HQ3B8DO 31...

Page 158: ...ide Plate 0130509403P 0130509002P 1 14 Valve Cover 22245002 22245002 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Valve Support Block 26115007 1 18 Temperature Sens...

Page 159: ...ation and Maintenance Service Manual 24 8 7 6 5 4 3 2 1 16 9 15 14 13 12 11 10 23 20 18 30 25 29 28 27 26 21 19 17 22 31 KW18CQ2B8DO The component picture is only for reference please refer to the act...

Page 160: ...y 01705046P 1 11 Cut off Valve Assy 07130239 1 12 Cut off Valve Sub Assy 03005700125 1 13 Valve Cover 22245002 1 14 Right Side Plate 0130509002P 1 15 Retaining Plate 02115006P 1 16 Handle Assy 0211310...

Page 161: ...ation and Maintenance Service Manual KW24HQ2B8DO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 The component picture is only for reference please refer to the act...

Page 162: ...g 01255020P 1 12 Motor Support Sub Assy 01705079 1 13 Condenser Support Plate 01175092 1 14 Clapboard Sub Assy 01235040 1 15 Condenser Assy 01100200162 1 16 Rear Grill 01475013 1 17 Wiring Clamp 26115...

Page 163: ...lation and Maintenance Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 KW24CQ2B8DO The component picture is only for reference please refer to the actua...

Page 164: ...y 01705079 1 13 Condenser Support Plate 01175092 1 14 Clapboard Sub Assy 01255016 1 15 Condenser Assy 01100200498 1 16 Rear Grill 01475013 1 17 Wiring Clamp 26115004 1 18 Temperature Sensor 39000072 1...

Page 165: ...d Maintenance Service Manual 6 5 4 3 2 1 36 34 33 7 8 9 17 20 29 30 31 32 28 27 26 22 23 24 25 21 19 16 15 14 13 12 11 10 18 35 The component picture is only for reference please refer to the actual p...

Page 166: ...01103000090 1 16 Rear Grill 01475020 1 17 Wiring Clamp 18 Temperature Sensor 3900030902 1 19 Handle 26233053 1 20 Cut off Valve 07130239 1 21 Valve Cover 22245002 1 22 Cut off Valve 07133844 1 23 Valv...

Page 167: ...p 1 Remove filter assembly 2 Remove horizontal louver Front panel Front case Right filter Groove Left filter Open the front panel Push the left filter and right filter until they are separate from the...

Page 168: ...se Lift up the front case sub assy and take it out Electric box cover2 Detecting plate for 12K for 09K Detecting plate Screw Screw 5 Remove front case sub assy 6 Remove vertical louver Front case sub...

Page 169: ...ounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Twist off the screws that are locking each lead wire and rotate the electric box assy Twist off the s...

Page 170: ...e terminals 2 Pull out the holder for some terminals at first holder is not available for some wiring terminal hold the connector and then pull the terminal circlip soft sheath holder connector Proced...

Page 171: ...he screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Remove the screw fixing step motor and the...

Page 172: ...left and right filters to make them break away from the groove on the front case Then remove the left and right filters one by one Left filter Groove Right filter Front case Front panel Screw off the...

Page 173: ...sy and take S wing motor Screw off the screws that are locking the swing motor and take the motor off it out 4 Remove electric box cover 2 and detecting plate WIFI Remove the screws on the electric bo...

Page 174: ...t the indoor tube temperature sensor Screw off one grounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Screw off the screws that are locking each lead...

Page 175: ...lation and Maintenance Service Manual R ear case assy First remove the left side of evaporator from the groove on the rear case assy Then remove the right side from the clasp on the rear case assy Gro...

Page 176: ...173 Installation and Maintenance Service Manual...

Page 177: ...valve cover and then remove the valve cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the top cover Remove connection screws...

Page 178: ...low blade Procedure Steps Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove connection screws connecting the right side...

Page 179: ...r Remove the 2 tapping screws re move it Remove the 2 screws fixing the cover of elec tric box Lift to remove the cover Loos en thewire and disconnect the terminal Lift to re move the electric box ass...

Page 180: ...way Valve Assy with wet cotton and unsolderthe 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrig erant shouldbe discharged firstly Welding processshould be as quickly as possible...

Page 181: ...te 2 and then remove the Cable cross plate 2 Remove 1 connection screw fixing valve cover and then remove the valve cover Remove 3 connection screws among top cover plate front panel and right side pl...

Page 182: ...Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove...

Page 183: ...4 weld spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be...

Page 184: ...motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the C...

Page 185: ...alve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connec...

Page 186: ...cover and right side plate and then remove the valve cover 2 Remove grille and outer case grille Remove the 4 screws connecting the grille and outer case and then remove the panel grille Remove the s...

Page 187: ...ide plate and left side plate and then remove the outer case Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the...

Page 188: ...he 2 screws connecting the motor support and chassis and then loosen the stopper to remove the motor support Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wiri...

Page 189: ...hen remove the isolation plate Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Note Before unsoldering the welding j...

Page 190: ...of discharge pipe and suction pipe from foreign objects Remove the screws connecting the support condenser and condenser assy and then remove the support condenser Remove the 2 screws fixing the cond...

Page 191: ...panel front side panel Loosen the screws connecting the front side panel and chassis Remove the front side panel Procedure valve cover Remove the screw connecting the big handle and right side plate...

Page 192: ...he panel Twist off the screws connecting the grille and panel and then remove the grille 5 Remove right side plate right side plate Twist off the screws connecting the right side plate and chassis val...

Page 193: ...iers pull out the wiring terminal pull it upwards to remove the electric box electric box fireproofing Twist off the screws on electric box fireproofing with screwdriver and then remove the electric b...

Page 194: ...e motor support Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet 11 Remove 4 way valve 10 Remove isolation sheet isolation she...

Page 195: ...ng joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe...

Page 196: ...left side plate left side plate Twist off the screws connecting the left side plate and chassis with screwdriver and then remove the left side plate Pull it upwards to separate the chassis and conden...

Page 197: ...C Fahrenheit display temperature o F Fahrenheit o F Celsius o C Fahrenheit display temperature o F Fahrenheit o F Celsius o C 61 60 8 16 69 70 69 8 21 78 79 78 8 26 62 63 62 6 17 71 72 71 6 22 80 81 8...

Page 198: ...teps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent...

Page 199: ...358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 49 0...

Page 200: ...95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6...

Page 201: ...342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165...

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