Gree GWH09QB-K6DNA1E Service Manual
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Gree GWH09QB-K6DNA1E Service Manual

Gree GWH09QB-K6DNA1E Service Manual

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Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GWH09QB-K6DNA1E

  • Page 1 Change for life Service Manual Models: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    5.2 PCB Printed Diagram ....................53 6. Function and Control ..................60 6.1 Remote Controller Introduction ...............60 6.2 GREE+ App Operation Manual ................80 6.3 Ewpe Smart App Operation Manual ..............81 6.4 Brief Description of Modes and Functions ...........82 Part Ⅱ : Installation and Maintenance ..........93...
  • Page 3 Service Manual 8.5 Installation of Indoor Unit ..................100 8.6 Installation of Outdoor Unit ................102 8.7 Vacuum Pumping and Leak ................103 8.8 Check after Installation and Test Operation ..........103 9. Maintenance ......................104 9.1 Error Code List ......................104 9.2 Procedure of Troubleshooting ................

  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit A5 Panel A1 Panel C2 Panel B6 Panel C4 Panel B4 Panel E4 Panel B2 Panel B8 Panel C6 Panel Technical Information...
  • Page 5 Service Manual D6 panel A3 panel GWH18QD-K6DND2D/I(CB461N05701) GWH24QE-K6DND2E/I (CB461N05601) GWH18QD-K6DND2D/I(CB461N05700) GWH12QC-K6DND2D/I(CB461N05501) GWH24QE-K6DND2E/I(CB461N05600) GWH09QC-K6DND2A/I(CB461N06600) GWH12QC-K6DND2A/I(CB461N06500) GWH18QD-K6DND2A/I(CB461N06700) GWH24QE-K6DND2I/I(CB461N06800) GWH18QD-K6DND2D/I(CB461N05702) C8 panel GWH24QE-K6DND2E/I(CB461N05602) A2 panel Technical Information...
  • Page 6 Service Manual Outdoor Unit GWH18QD-K6DNA1D/O GWH18QD-K6DNA5X/O GWH12QC-K6DNA1D/O GWH24QE-K6DNA1E/O GWH24QE-K6DNA5X/O GWH09YC-K6DNA1A/O GWH24YE-K6DNA1A/O GWH12YC-K6DNA1A/O GWH12QC-K6DNA5X/O GWH09QB-K6DNA1E/O GWH18YD-K6DNA1A/O(CB437W01300) GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Remote Controller YAC1FB9(WiFi) YAG1FB2(WiFi) YAA1FB8(WiFi) YAN1F6(WiFi) MODE SWING TURBO SLEEP TEMP WiFi CLOCK LIGHT TIMER TIMER Technical Information...
  • Page 7 Service Manual Model List: Indoor Outdoor product Remote Model Product code Indoor model Outdoor model product code code Controller GWH09QB-K6DNA1E CB419015801 GWH09QB-K6DNA1E/I CB419N15800 GWH09QB-K6DNA3E CB424008001 GWH09QB-K6DNA3E/I CB424N08000 GWH09QB-K6DNA5E CB425012501 GWH09QB-K6DNA5E/I CB425N12500 GWH09QB-K6DNC4E CB444009601 GWH09QB-K6DNC4E/I CB444N09600 GWH09QB-K6DNC4E CB444009602 GWH09QB-K6DNC4E/I CB444N09602 CB470002701...
  • Page 8 Service Manual GWH18QD-K6DNA1D CB419015601 GWH18QD-K6DNA1D/I CB419N15600 GWH18QD-K6DNA3D CB424008101 GWH18QD-K6DNA3D/I CB424N08100 GWH18QD-K6DNA5D CB425012401 GWH18QD-K6DNA5D/I CB425N12400 GWH18QD-K6DNC4D CB444012301 GWH18QD-K6DNC4D/I CB444N12300 GWH18QD-K6DNC6D CB443005801 GWH18QD-K6DNC6D/I CB443N05800 GWH18QD-K6DNB6D CB435009501 GWH18QD-K6DNB6D/I CB435N09500 GWH18QD-K6DNA1D/O CB419W15601 GWH18QD-K6DNB2D CB432017901 GWH18QD-K6DNB2D/I CB432N17901 GWH18QD-K6DNB2D CB432017902 GWH18QD-K6DNB2D/I CB432N17900 GWH18QD-K6DNC6D CB443005803 GWH18QD-K6DNC6D/I CB443N05802 GWH18QD-K6DNB4D CB434012501 GWH18QD-K6DNB4D/I...

  • Page 9: Specifications

    Service Manual 2. Specifications 2.1 Specification Sheet 1.GWH09QB-K6DNA1E 2.GWH09QB-K6DNA5E 3.GWH09QB-K6DNC4E 4.GWH09QB-K6DNE4E 5.GWH09QB-K6DNB6E GWH09QB-K6DNC4E Model 6.GWH09QB-K6DNC6E GWH09QB-K6DNE4E 7.GWH09QB-K6DNA3E 8.GWH09QB-K6DNB2E 9.GWH09QB-K6DNB4E 10.GWH09QB-K6DNA2E 11.GWH09QB-K6DNB8E 1.CB419015801 2.CB425012501 3.CB444009601 4.CB470002701 5.CB435009601 6.CB443006001/ CB444009602 Product Code CB443006003 CB470002703 7.CB424008001 8.CB432017601 9.CB434012302 10.CB426007601 11.CB438010101 Rated Voltage 220-240...
  • Page 10 Service Manual Model of Outdoor Unit GWH09QB-K6DNA1E/O Product Code of Outdoor Unit CB419W15801 ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO., LTD Compressor Model QXF-A079zE190A Compressor Oil FW68DA Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input Overload Protector HPC115/95U1/KSD115℃ Throttling Method...
  • Page 11 Service Manual 1.GWH09QB-K6DNA1E 2.GWH09QB-K6DNA5E 3.GWH09QB-K6DNB6E 4.GWH09QB-K6DNC2E 5.GWH09QB-K6DNB2E GWH09QB-K6DNE4E Model 6.GWH09QB-K6DNC6E GWH09QB-K6DNA5E 7.GWH09QB-K6DNE4E 8.GWH09QB-K6DNB4E 9.GWH09QB-K6DNB8E 10.GWH09QB-K6DND6E 11.GWH09QB-K6DND2E 1.CB419015800 2.CB425012500 3.CB435009600 4.CB439013300 5.CB432017600/CB432017602 CB470002702 6.CB443006002 Product Code CB425012502 7.CB470002700 8.CB434012300 9.CB438010100 10.CB460005900 11.（CB461005800/CB461005802 /CB461005801） Rated Voltage 220-240 220-240 Power Rated Frequency Supply...
  • Page 12 Service Manual Model of Outdoor Unit GWH09QB-K6DNA1E/O Product Code of Outdoor Unit CB419W15800 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXF-A079zE190A Compressor Oil FW68DA Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input Overload Protector HPC115/95U1/KSD115℃ Throttling Method...
  • Page 13 Service Manual GWH09QC-K6DNC2A GWH12QC-K6DNC2A Model GWH09QC-K6DND2A GWH12QC-K6DND2A CB439014100 CB439014200 Product Code CB461006600 CB461006500 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2700 3500 Heating Capacity 2930 3810 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input...
  • Page 14 Service Manual Outdoor Unit Model GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O Outdoor Unit Product Code CB437W01600 CB437W01100 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO., LTD Compressor Model QXF-B096zE190A QXF-B096zE190A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary Compressor LRA. 20.00 Compressor RLA 4.21 4.21 Compressor Power Input...
  • Page 15 Service Manual Parameter Unit Value Model GWH18QD-K6DND2A Product Code CB461006700 Rated Voltage V ～ 220~240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) 5300 Heating Capacity(Min~Max) 5570 Cooling Power Input(Min~Max) 1550 Heating Power Input(Min~Max) 1428 Cooling Current Input Heating Current Input Rated Input 2600...
  • Page 16 Service Manual Outdoor Unit Model GWH18YD-K6DNA1A/O Outdoor Unit Product Code CB437W01300 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141zF030A Compressor Oil 68EP Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1410 Compressor Overload Protector 1NT11L-6233 Throttling Method Electronic Expansion Valve Set Temperature Range ºC...
  • Page 17 Service Manual Parameter Unit Value Model GWH24QE-K6DND2I Product Code CB461006800 Rated Voltage V ～ 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 7000 Heating Capacity 7200 Cooling Power Input 2000 Heating Power Input 1845 Cooling Current Input 9.15 Heating Current Input 8.44...
  • Page 18 Service Manual Outdoor Unit Model GWH24YE-K6DNA1A/O Outdoor Unit Product Code CB437W01400 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO,LTD. Compressor Model QXFS-D23ZX090A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 11.5 Compressor Power Input 2550 Compressor Overload Protector 1NT11L-6233/HPC 115/95 /KSD115ºC Throttling Method Electron expansion valve Set Temperature Range...
  • Page 19 Service Manual 1.GWH12QC-K6DNA1D 2.GWH12QC-K6DNA5D 3.GWH12QC-K6DNE4D 4.GWH12QC-K6DNC6D 5.GWH12QC-K6DNB6D 6.GWH12QC-K6DNA3D Model 7.GWH12QC-K6DNC8D 8.GWH12QC-K6DNB2D 9.GWH12QC-K6DNB4D 10.GWH12QC-K6DNC6D 11.GWH12QC-K6DNB8D 12.GWH12QC-K6DND2D 1.CB419015501 2.CB425012301 3.CB470002901 4.CB443005701 5.CB435009401 Product Code 6.CB424008201 7.CB456007101 8.CB432017801 9.CB434012601 10.CB443005703 11.CB438010202 12.CB461005503 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3500...
  • Page 20 Service Manual Outdoor Unit Model GWH12QC-K6DNA1D/O Outdoor Unit Product Code CB419W15501 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-A102zE190B Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1023 Compressor Overload Protector HPC115/95U1/KSD115℃ Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 21 Service Manual 1.GWH12QC-K6DNA1D 2.GWH12QC-K6DNA5D 3.GWH12QC-K6DNE4D 4.GWH12QC-K6DNB6D 5.GWH12QC-K6DNC2D 6.GWH12QC-K6DNB4D GWH12QC-K6DNE4D Model GWH12QC-K6DNA5D 7.GWH12QC-K6DNB2D 8.GWH12QC-K6DNB8D 9.GWH12QC-K6DNC6D 10.GWH12QC-K6DND2D 11.GWH12QC-K6DND6D 1.CB419015500 2.CB425012300 3.CB470002900 4.CB435009400 5.CB439013100 CB470002902 6.CB434012600 7.CB432017800/CB432017802 Product Code 8.CB438010200/CB438010201 9.CB443005702 CB425012302 10.CB461005500/CB461005501/CB461005502 11.CB460006700 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor...
  • Page 22 Service Manual Outdoor Unit Model GWH12QC-K6DNA1D/O Outdoor Unit Product Code CB419W15500 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-A102zE190B Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1023 Compressor Overload Protector HPC115/95U1/KSD115℃ Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 23 Service Manual 1.GWH18QD-K6DNA1D 2.GWH18QD-K6DNA5D 3.GWH18QD-K6DNB6D 4.GWH18QD-K6DNB2D 5.GWH18QD-K6DNC2E 6.GWH18QD-K6DNE4D GWH18QD-K6DNE4D Model 7.GWH18QD-K6DNB4D 8.GWH18QD-K6DNB8D GWH18QD-K6DNA5D 9.GWH18QD-K6DNC6D 10.GWH18QD-K6DND2D 11.GWH18QD-K6DND6D 1.CB419015600 2.CB425012400 3.CB435009500 4.CB432017900 5.CB439013200 6.CB470003000 CB470003001 Product Code 7.CB434012500 8.CB438010300 CB425012402 9.CB443005802 10.CB461005702/CB461005701/ CB461005700 11.CB460006600 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor...
  • Page 24 Service Manual Outdoor Unit Model GWH18QD-K6DNA1D/O(LCLH) Outdoor Unit Product Code CB419W15600 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141ZF030F Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1410 Compressor Overload Protector HPC115/95U1 KSD115℃ Throttling Method Electron expansion valve Set Temperature Range...
  • Page 25 Service Manual 1.GWH18QD-K6DNA1D 2.GWH18QD-K6DNA5D 3.GWH18QD-K6DNC6D 4.GWH18QD-K6DNB6D 5.GWH18QD-K6DNC4D 6.GWH18QD-K6DNA3D Model 7.GWH18QD-K6DNB2D 8.GWH18QD-K6DNB2D 9.GWH18QD-K6DNC6D 10.GWH18QD-K6DNB4D 11.GWH18QD-K6DNB8D 1.CB419015601 2.CB425012401 3.CB443005801 4.CB435009501 5.CB444012301 Product Code 6.CB424008101 7.CB432017901/CB432017902 8.CB432017902 9.CB443005803 10.CB434012501 11.CB438010301 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 5200 Heating Capacity 5300...
  • Page 26 Service Manual Outdoor Unit Model GWH18QD-K6DNA1D/O(LC) Outdoor Unit Product Code CB419W15601 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141ZF030F Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1410 Compressor Overload Protector HPC115/95U1 KSD115℃ Throttling Method Electron expansion valve Set Temperature Range...
  • Page 27 Service Manual 1.GWH24QE-K6DNA1E 2.GWH24QE-K6DNC2E 3.GWH24QE-K6DNB6E 4.GWH24QE-K6DNA5E GWH24QE-K6DNE4E 5.GWH24QE-K6DNB4E 6.GWH24QE-K6DNB2E Model GWH24QE-K6DNA5E 7.GWH24QE-K6DNC4E 8.GWH24QE-K6DNE4E GWH24QE-K6DNC2E 9.GWH24QE-K6DNB8E 10.GWH24QE-K6DNC6E 11.GWH24QE-K6DND2E 12.GWH24QE-K6DND6E 1.CB419015700 2.CB439013000 3.CB435009300 4.CB425012200 5.CB434012400 6.CB432017700 CB470002801 Product Code 7.CB444009800 8.CB470002800 CB425012203 9.CB438010400 10.CB443005903 CB439013001 11.CB461005600/CB461005601/CB461005602 12.CB460006500 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases...
  • Page 28 Service Manual Outdoor Unit Model GWH24QE-K6DNA1E/O Outdoor Unit Product Code CB419W15700 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFS-D25zX090H Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 11.7 Compressor Power Input 2420 Compressor Overload Protector HPC115/95U1/KSD115℃ Throttling Method Electron expansion valve Set Temperature Range...
  • Page 29 Service Manual 1.GWH24QE-K6DNB4E 2.GWH24QE-K6DNA5E 1.GWH24QE-K6DNA1E 3.GWH24QE-K6DNC6E 4.GWH24QE-K6DNB6E 2.GWH24QE-K6DNA5E Model 5.GWH24QE-K6DNB2E 6.GWH24QE-K6DNB8E 3.GWH24QE-K6DNC6E 7.GWH24QE-K6DNB4E 4.GWH24QE-K6DNC4E 1.CB434012402 2.CB425012202 3.CB443005902/CB443005904 4.CB435009301 1.CB419015701 2.CB425012201 Product Code 5.CB432017701/CB432017702 6.CB438010401 3.CB443005901 4.CB444009801 7.CB434012403 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 7000...
  • Page 30 Service Manual Outdoor Unit Model GWH24QE-K6DNA1E/O Outdoor Unit Product Code CB419W15701 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFS-D25zX090H Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 11.7 Compressor Power Input 2420 Compressor Overload Protector HPC115/95U1/KSD115℃ Throttling Method Electron expansion valve Set Temperature Range...
  • Page 31 Service Manual Parameter Unit Value Model GWH24QE-K6DNA5X GWH18QD-K6DNA5X Product Code CB425015400 CB425015300 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 6600 5200 Heating Capacity 7200 5300 Cooling Power Input 1890 1528 Heating Power Input 1890 1430 Cooling Current Input...
  • Page 32 Service Manual Outdoor Unit Model GWH24QE-K6DNA5X/O GWH18QD-K6DNA5X/O Outdoor Unit Product Code CB425W15400 CB425W15300 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO., LTD CO.,LTD Compressor Model QXFS-D25zX090H QXF-B141ZF030F Compressor Oil FW68DA FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA 11.7 Compressor Power Input...
  • Page 33 Service Manual Value Parameter Unit Model GWH12QC-K6DNA5X Product Code CB425015500 Rated Voltage 220-240 Power Rated Frequency Supply Phases Outdoor Power Supply Mode Cooling Capacity 3500 Heating Capacity 3670 Cooling Power Input 1085 Heating Power Input Cooling Current Input Heating Current Input Rated Input 1500 Rated Current...
  • Page 34 Service Manual Outdoor Unit Model GWH12QC-K6DNA5X/O Outdoor Unit Product Code CB425W15500 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-A102zE190B Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1023 Compressor Overload Protector HPC115/95U1/KSD115℃ Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 35 Service Manual Model GWH09QA-K6DNB2A GWH12QB-K6DNB2A Product Code CB432025400 CB432025500 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2500 3200 Heating Capacity 2800 3400 Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current Rated Input 1500...
  • Page 36 Service Manual Model of Outdoor Unit GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Product Code of Outdoor Unit CB385W01000 CB385W01700 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO.,LTD CO., LTD Compressor Model FTz-AN075ACBF-A FTz-AN088ACBF-A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L.R.A. Compressor RLA 3.00 3.60 Compressor Power Input...

  • Page 37: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Cooling Heating Cooling Heating 220V Conditions 220V Indoor: DB27°C/WB19°C Outdoor: DB35°C/WB24°C Indoor air flow: High Pipe length: 5m 230V 230V 240V Conditions Indoor: DB20°C/WB15°C 240V Outdoor: DB7°C/WB6°C Indoor air flow: High Pipe length: 5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps)

  • Page 38: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual GWH09QA-K6DNB2A GWH12QB-K6DNB2A Cooling Heating Conditions Indoor:DB20°C Indoor air flow:Super High Conditions Pipe length:5m Indoor:DB27°C/WB19°C Indoor air flow:Super High Pipe length:5m Outdoor temp.(°C) Outdoor temp.(°C) 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe Rated cooling connecting indoor and...

  • Page 39: Noise Curve

    Service Manual 2.5 Noise Curve Outdoor side noise when blowing Indoor side noise when blowing Turbo High Ultralow Medium Medium-high Medium-low Compressor frequency(Hz) Indoor fan motor rotating speed Outdoor side noise when blowing Indoor side noise when blowing GWH24QE-K6DND2I Heating Cooling Turbo High...

  • Page 40: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit QA/QB Φ55 Φ55 Φ70 Φ55 Φ70 Φ55 Unit:mm Model 168.5 159.5 1078 Technical Information...

  • Page 41: Outdoor Unit

    Service Manual 3.2 Outdoor Unit GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O GWH12QC-K6DNA1D/O GWH12QC-K6DNA5X/O Unit:mm GWH18QD-K6DNA1D/O GWH24QE-K6DNA1E/O GWH24QE-K6DNA5X/O GWH18QD-K6DNA5X/O GWH24YE-K6DNA1A/O Unit:mm Technical Information...
  • Page 42 Service Manual GWH09QB-K6DNA1E/O Unit:mm GWH18YD-K6DNA1A/O(CB437W01300) Unit:mm Technical Information...
  • Page 43 Service Manual GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Unit:mm Technical Information...

  • Page 44: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram All models except:GWH09QB-K6DNA1E/O GWH18YD-K6DNA1A/O GWH24YE-K6DNA1A/O GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Cooling and heating model Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe...
  • Page 45 side Valve Electron Capillary Strainer Service Manual expansion valve COOLING GWH18YD-K6DNA1A/O GWH24YE-K6DNA1A/O Cooling and heating model Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Capillary...

  • Page 46: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 47 Service Manual GWH09QB-K6DNC4E/I(CB444N09600) GWH09QB-K6DNC6E/I(CB443N06000) GWH12QC-K6DNC6D/I(CB443N05700) GWH18QD-K6DNC6D/I(CB443N05800) GWH24QE-K6DNC6E/I(CB443N05900)GWH09QB-K6DNB2E/I GWH12QC-K6DNB2D/I GWH18QD-K6DNB2D/I GWH24QE-K6DNB2E/I GWH09QB-K6DNB4E/I GWH12QC-K6DNB4D/I GWH09QB-K6DNB8E/I(CB438N10101) GWH12QC-K6DNB8D/I(CB438N10202) GWH24QE-K6DNB8E/I(CB438N10401) GWH18QD-K6DNB4D/I(CB434N12501) GWH24QE-K6DNB4E/I(CB434N12403) GWH18QD-K6DNB8D/I(CB438N10301) 60000700068805 GWH09QB-K6DNC4E/I(CB444N09602) GWH09QB-K6DNE4E/I(CB470N02702) GWH12QC-K6DNE4D/I(CB470N02902) GWH18QD-K6DNE4D/I(CB470N03001) GWH24QE-K6DNE4E/I(CB470N02801) GWH24QE-K6DNB4E/I(CB434N12402) GWH24QE-K6DNC6E/I(CB443N05902) GWH24QE-K6DNA5E/I(CB425N12202) GWH09QB-K6DNA5E/I(CB425N12502) GWH12QC-K6DNA5D/I(CB425N12302) GWH18QD-K6DNA5D/I(CB425N12402) GWH24QE-K6DNA5E/I(CB425N12203) GWH09QB-K6DNA2E/I 60000700068806 Technical Information...
  • Page 48 Service Manual GWH09QC-K6DNC2A/I( ) GWH12QC-K6DNC2A/I( CB439N14100 CB439N14200 GWH09QC-K6DND2A/I(CB461N06600) GWH12QC-K6DND2A/I(CB461N06500) 60000700030904 GWH18QD-K6DNC4D/I(CB444N12300) GWH24QE-K6DNC4E/I(CB444N09801) GWH24QE-K6DNC2E/I(CB439N13001) 60000700068803 Technical Information...
  • Page 49 Service Manual GWH18QD-K6DND2A/I(CB461N06700) GWH24QE-K6DND2I/I(CB461N06800) 60000700033807 GWH09QA-K6DNB2A/I(CB432N25400) GWH12QB-K6DNB2A/I(CB432N25500) 6363222004 Technical Information...
  • Page 50 Service Manual ● Outdoor Unit GWH09YC-K6DNA1A/O(CB437W01600) GWH12YC-K6DNA1A/O(CB437W01100) 6361000008401 GWH24QE-K6DNA1E/O(CB419W15701) GWH24QE-K6DNA5X/O(CB425W15400) GWH24YE-K6DNA1A/O(CB437W01400) 600007000339 Technical Information...
  • Page 51 Service Manual GWH09QB-K6DNA1E/O(CB419W15801) 600007000687 GWH09QB-K6DNA1E/O(CB419W15800) 60000700068702 Technical Information...
  • Page 52 Service Manual GWH12QC-K6DNA1D/O(LC)(CB419W15501) GWH12QC-K6DNA5X/O(CB425W15500) 60000700111002 GWH12QC-K6DNA1D/O(LCLH) (CB419W15500) 60000700111001 Technical Information...
  • Page 53 Service Manual GWH18QD-K6DNA1D/O(CB419W15601) GWH18QD-K6DNA5X/O(CB425W15300) 63610000218 GWH18QD-K6DNA1D/O(CB419W15600) 6361000021801 Technical Information...
  • Page 54 Service Manual GWH24QE-K6DNA1E/O(CB419W15700) 60000700033902 GWH18YD-K6DNA1A/O(CB437W01300) 600007000516 Technical Information...
  • Page 55 Service Manual GWH09AGA-K6DNA1A/O(CB385W01000) GWH12AGB-K6DNA1A/O(CB385W01700) 600007063740 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...

  • Page 56: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit All models except:GWH09QC-K6DNC2A/I GWH12QC-K6DNC2A/I GWH09QC-K6DND2A/I GWH12QC-K6DND2A/I GWH18QD-K6DND2A/I GWH24QE-K6DND2I/I GWH09QA-K6DNB2A/I GWH12QB-K6DNB2A/I Top view Name Interface of communication wire for indoor unit and outdoor unit Interface of live wire Fuse Interface of health function neutral wire(Applicable for some models) Interface of neutral wire Interface of fan...
  • Page 57 Service Manual GWH09QC-K6DNC2A/I GWH12QC-K6DNC2A/I GWH09QC-K6DND2A/I GWH12QC-K6DND2A/I GWH18QD-K6DND2A/I GWH24QE-K6DND2I/I Top view Name Neutral wire Needle stand for indoor fan Auto button Up&down swing motor Left&right swing motor Terminal of temperature sensor Terminal for display board connection Terminal of jumper cap Communication wire Terminal of wired controlle 11 Fuse 12 Live wire interface...
  • Page 58 Service Manual GWH09QA-K6DNB2A/I GWH12QB-K6DNB2A/I Top view Terminal of live wire used for supplying power for outdoor unit Terminal of live wire Fuse Interface of health function neutral wire Interface of neutral wire Interface of fan Interface of health function live wire Auto button Up&down swing interface Interface of PG feedback...
  • Page 59 Service Manual Outdoor Unit 09/12K for some model Top view Name 1 Interface of compressor wire 2 Reactor wiring terminal 2 3 Reactor wiring terminal 1 4 Terminal of chassis electric heater 4-way valve terminal Grounding wire 7 Neutral wire 8 Communication wire 9 Live wire 10 Terminal of electronic expansion valve...
  • Page 60 Service Manual GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O ● Top view Name Earthing wire Neutral wire, live wire and communication cable 4-way valve electric heating belt of chasssis Outdoor fan Electronic expansion valve Overload Temperature sensor Three-phase terminal of compressor ● Bottom view Technical Information...
  • Page 61 Service Manual Top view Name Terminal of compressor overload protection Terminal of temperature sensor Terminal of electronic expansion valve 4 Terminal of outdoor fan 5 Terminal of 4-way valve Terminal of compressor electric heating Terminal of chassis electric heating Terminal of indoor unit and outdoor unit communication 9 Power supply live wire 10 Earthing wire...
  • Page 62 Service Manual Top View Name Name Name Compressor three phase input interface Terminal of high pressure protection 11 Terminal of chassis electric heating Terminal of low ambient temperature Terminal of low pressure protection 12 Terminal of live wire cooling temperature sensor Terminal of electronic expansion valve Terminal of outdoor fan 13 Terminal of communication...

  • Page 63: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction YAC1FB9(WiFi) ON/OFF button MODE button FAN button TURBO button ▲/ button button button SLEEP button I FEEL button TIMER ON / TIMER OFF button CLOCK button QUIET button WiFi button LIGHT button button TEMP button...
  • Page 64 Service Manual Press this button to turn on the unit. Press this button again to turn off the unit. (This indicator is not available for some models). (This indicator is not available for some models). Operation indicator is ON. (This indicator is not available for some models).
  • Page 65 Service Manual function is only available for some mode Press this button, can select Sleep 1 ( ), Sleep 2 ( ), Sleep 3 ( ) and cancel the Sleep, circulate between these, after electrified, Sleep Cancel is defaulted.Sleep 1 is Sleep mode 1, in Cool modes; sleep status after run for one hour, the main unit setting temperature will increase 1 , two hours, setting temperature increased 2 , then the unit will run at this setting temperature;...
  • Page 66 Service Manual The Quiet function can be set up in all modes; Under the Quiet mode,the fan speed is not available. The Quiet function is only available for some models. When quiet function is selected Under cooling mode: indoor fan operates at notch 4 speed. 10 minutes later or when indoor ambient temperature≤28℃, indoor fan will operate at notch 2 speed or quiet mode according to the comparison between indoor ambinet temperature and set temperature.
  • Page 67 Service Manual 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 cancel it.Under the OFF status of remote controller, hold the Mode button for 5s to cancel “H1” display. Note: If remote controller displays “H1”, it belongs to the normal function reminder.
  • Page 68 Service Manual Technical Information...
  • Page 69 Service Manual Buttons on Remote Controller YAG1FB2(WiFi) ON/OFF button FAN button MODE button +/- button TURBO button button button CLOCK button TIMER ON/ WiFi TIMER OFF button TEMP button button (before opening cover (after opening cover I FEEL button ON/OFF button LIGHT button FAN button WiFi button...
  • Page 70 Service Manual 2. FAN button Press this button, Auto, Low, Medium-low, Medium, Medium-high, High speed can be circularly selected. After powered on, Auto fan speed is default. Under DRY mode, Low fan speed only can be set up. ATUO Note: It’s Low fan speed under Dry mode.
  • Page 71 Service Manual 10. TEMP button Press this button, you can see indoor set temperature,indoor ambient temperature or outdoor ambient temperature on indoor unit’s display. The setting on remote controller is selected circularly as below: no display When selecting“ ”with remote controller or no display, temperature indicator on indoor unit displays set temperature; When selecting“ ”...
  • Page 72 Service Manual Sleep 3- the sleep curve setting under Sleep mode by DIY: (1) Under Sleep 3 mode, press "Turbo" button for a long time, remote control enters into user individuation sleep setting status, at this time, the time of remote control will display "1hour ", the setting temperature "88" will display the corresponding temperature of last setting sleep (3) At this time, 1hour will be automatically increased at the timer postion on the remote control, (that are "2hours"...
  • Page 73 Service Manual 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 cancel it.Under the OFF status of remote controller, hold the Mode button for 5s to cancel “H1” display. Note: If remote controller displays “H1”, it belongs to the normal function reminder.
  • Page 74 Service Manual YAA1FB8(WiFi) ON/OFF button MODE button FAN button TURBO button ▲/ button button button T-ON / T-OFF button I FEEL button CLOCK button SLEEP button WiFi button button LIGHT button TEMP button Set fan speed fan speed. It’s displayed 、...
  • Page 75 Service Manual Press this button to turn on the unit. Press this button again to turn off the unit. Press this button to select your required operation mode. AUTO COOL HEAT When selecting auto mode, air conditioner will operate automatically according to the sensed temperature. Set temperature can’t be adjusted and will not be displayed as well.
  • Page 76 Service Manual button Press this button can select left & right swing angle. Fan blow angle can be selected circularly as below: no display Note: (stops at current position) Press this button continuously more than 2s, the main unit will swing back and forth from left to right, and then loosen the button, the unit will stop swinging and present position of guide louver will be kept immediately.
  • Page 77 Service Manual Under COOL, or HEAT mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this button again to cancel sleep function and " " icon will disappear. After powered on, Sleep Off is defaulted. After the unit is turned off, the Sleep function is canceled. In this mode, the time of time can be adjusted.
  • Page 78 Service Manual 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 cancel it.Under the OFF status of remote controller, hold the Mode button for 5s to cancel “H1” display.
  • Page 79 Service Manual YAN1F6(WiFi) Introduction for buttons on remote controller Buttons on remote controller Notice： ● This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status.
  • Page 80 Service Manual releasing button after setting is finished, temperature indicator button on indoor unit will change accordingly. (Temperature can't be Pressing this button can set fan speed circularlyas: auto(AUTO), adjusted under auto mode) low( ), medium( ), high( When setting TIMER ON, TIMER OFF or CLOCK, press "▲" or "▼"...
  • Page 81 Service Manual change quickly. Release this button when reaching your required Notice： time. Press "CLOCK" button to confirm the time. " " icon stops ● Under energy-saving function, fan speed is defaulted at blinking. Notice： auto speed and it can't be adjusted. ●...
  • Page 82 Service Manual Replacement of batteries in remote controller signal sender battery reinstall remove Cover of battery box 1. Press the back side of remote controller marked with " ", as shown in the fig, and then push out the cover of battery box along the arrow direction.

  • Page 83: Gree+ App Operation Manual

    GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install it. When "GREE+" App is installed, register the account and add the device to achieve long-distance control and LAN control of Gree smart home appliances.

  • Page 84: Ewpe Smart App Operation Manual

    Service Manual 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for Users smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...

  • Page 85: Brief Description Of Modes And Functions

    Service Manual 6.4 Brief Description of Modes and Functions Indoor Unit ● 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status.
  • Page 86 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Entry condition for compulsory defrosting function When turn on the unit under heating ode and set temperature is 16 C (or 16.5 C by remote controller), press “+, -, +, -, +, -”...
  • Page 87 Service Manual Outdoor Unit ● 09/12K 1. Cooling mode: Working condition and process of cooling mode: ① When Tindoor ambient temperature≥Tpreset, unit enters into cooling mode. Indoor fan, outdoor fan and compressor start operation. Indoor fan operates according to set fan speed. ②...
  • Page 88 Service Manual Auto mode is determined by controller of IDU. See IDU logic for details. 8. 8 C heating Set temperature is 8 C. Display board of IDU displays 8 C. Under this mode, “Cold air prevention” function is shielded. If compressor is operating under this mode, fan speed will adjust according to auto fan speed;...
  • Page 89 Service Manual 18/24K Outdoor Unit ● 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T indoor ambient temperature cooling indoor ambient temperature compensation...
  • Page 90 Service Manual 3. Special Functions Defrosting Control ① Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③...
  • Page 91 Service Manual 1. Starting estimation: After the compressor stopped working for 180s, if T > [T (the temperature of hysteresis is 2 )], the inner pipe frozen-preventing frequency-limited temperature machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen- preventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted.
  • Page 92 Service Manual 1. Frequency limited If [T ]≤T <[T ] , you should limit the frequency raising of heating overload frequency-limited temperature inner pipe heating overload frequency reducing temperature at normal speed compressor. 2. Reducing frequency at normal speed and stopping machine: If T[ ]≤T <[T...
  • Page 93 Service Manual (6) Voltage sag protection After start the compressor, if the time of DC link Voltage sag [U ] is measured to be less than t Voltage sag protection time , Sagging protection voltage the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7) Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault.
  • Page 94 Service Manual (12) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesn’t shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/OFF.
  • Page 95 Service Manual 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤0 , the electric heating of chassis will operate; (2) When Toutdoor amb.>2 , the electric heating of chassis will stop operation; (3)When 0 <Toutdoor amb.≤2 , the electric heating of chassis will keep original status. 7.

  • Page 96: Part Ⅱ : Installation And Maintenance

    Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself.
  • Page 97 Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant.
  • Page 98 Service Manual Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
  • Page 99 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.

  • Page 100: Installation

    Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 15cm At least 15cm Drainage pipe Installation and Maintenance...
  • Page 101 Service Manual Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...

  • Page 102: Installation Parts-Checking

    Service Manual 8.4 Requirements for electric connection 8.2 Installation Parts-checking 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) According to the local safety regulations, use qualified Support of outdoor power supply circuit and air switch.

  • Page 103: Installation Of Indoor Unit

    Service Manual 8.5 Installation of Indoor Unit 1. Choosing Installation Iocation Recommend the installation location to the client and then confirm it with the client. 2. Install Wall-mounting Frame Rear left (1) Hang the wall-mounting frame on the wall; adjust it in horizontal position with the level meter and then point out the Fig.3 Right...
  • Page 104 Service Manual (4) Put wiring cover back and then tighten the screw. Drain hose (5) Close the panel. Outlet pipe Note: (1) All wires of indoor unit and outdoor unit should be Tape connected by a professional. Drain hose Outlet Fig.9 pipe (2) If the length of power connection wire is insufficient, please...

  • Page 105: Installation Of Outdoor Unit

    Service Manual Outdoor 4. Connect Indoor and Outdoor Pipes Indoor Fig.17 (1) Remove the screw on the right handle of outdoor unit and Wall pipe Sealing gum then remove the handle.(As show in Fig.21) Upper hook (2) Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe.(As show in Fig.22) Liquid pipe Pipe joint...

  • Page 106: Vacuum Pumping And Leak

    Service Manual 2. Leakage Detection (1) With leakage detector: The drain hos can't raise Check if there is leakage with leakage detector. upwards (2) With soap water: If leakage detector is not available, please use soap water for Wall leakage detection. Apply soap water at the suspected position and keep the soap water for more than 3min.

  • Page 107: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Display Method of Malfunction Indoor Unit A/C status Possible Causes Dual-8 Name Code Display Possible reasons: During cooling and drying High 1. Refrigerant was superabundant; operation, except indoor fan operates, all pressure 2.
  • Page 108 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display 1. Loosening or bad contact of indoor ambient temp. sensor and Indoor During cooling and drying mainboard terminal. ambient operation, indoor unit operates 2. Components in mainboard fell temperature while other loads will stop;...
  • Page 109 Service Manual Display Method of Malfunction Indoor Unit A/C status Possible Causes Dual-8 Name Code Display Decrease Overload or temperature is too high; frequency All loads operate normally, while Refrigerant is insufficient; due to operation frequency for Malfunction of electric expansion valve high air compressor is decreased (EKV)
  • Page 110 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display Compressor intermediate Showing during middle cooling or middle frequence in heating test test state Overcurrent During cooling and drying Refer to the malfunction analysis (IPM protection of operation, compressor will stop protection, loss of synchronism protection...
  • Page 111 Service Manual Display Method of Malfunction Indoor Unit A/C status Possible Causes Name Dual-8 Code Display 1. Bad contact of DC motor feedback terminal. 2. Bad contact of DC motor Internal fan motor, external fan motor, Internal motor control end. compressor and electric heater stop (fan motor) do operation,guide louver stops at present...
  • Page 112 Service Manual Display Method of Malfunction Indoor Unit A/C status Possible Causes Dual-8 Name Code Display During cooling and drying Malfunction operation, the compressor will Theres circuit malfunction on outdoor of complete stop while indoor fan will operate; units control panel AP1, please replace units current During heating operating, the complete the outdoor units control panel AP1.
  • Page 113 Service Manual Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible causes: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;...

  • Page 114: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting Indoor unit (1) Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●...
  • Page 115 Service Manual (2) Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor cant operate? ●...
  • Page 116 Service Manual (3) Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ●...
  • Page 117 Service Manual (4) Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn...
  • Page 118 Service Manual (5) Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
  • Page 119 Service Manual Outdoor unit: (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: ●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. ●Is the reactor (L) correctly connected? Is the connection loose or fallen? Is the reactor (L) damaged? Fault diagnosis process: Turn on the unit...
  • Page 120 Service Manual (2) IPM protection, phase current overcurrent (the control board as below indicates the control board 2. IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit...
  • Page 121 Service Manual (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is outdoor ambient temperature in normal range? ●Are the outdoor and indoor fans operating normally? ●Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
  • Page 122 Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes?
  • Page 123 Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 124 Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 125 Service Manual (7) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...
  • Page 126 Service Manual (8) Malfunction of Overcurrent Protection Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...

  • Page 127: Troubleshooting For Normal Malfunction

    Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery.
  • Page 128 Service Manual 4. ODU Fan Motor Cant Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...

  • Page 129: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit 09/12K For some models The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 130 Service Manual Part Code Description GWH12QC-K6DNA1D/I GWH09QB-K6DNB6E/I GWH09QB-K6DNC2E/I Product Code CB419N15500 CB435N09600 CB439N13300 Front Panel 20022475 20000300050T 20000300068S Display Board 30565231 30565281 30565281 Front Case Assy 20022489 00000200040 00000200040 Guide Louver 10512492 1051276301 1051276301 Air Louver (left) 10512725 10512720 10512720 Swing Lever 10582459 10582460...
  • Page 131 Service Manual Part Code Description GWH09QB-K6DNA1E/I GWH09QB-K6DNA5E/I GWH09QB-K6DNC4E/I Product Code CB419N15800 CB425N12500 CB444N09600 Front Panel Assy 20022496 00000300036 20000300105 Display Board 30565231 30565260 30565260 Front Case Assy 20022495 2002249501 00000200040 Guide Louver 10512722 1051272202 1051276301 Air Louver 2 10512720 10512720...
  • Page 132 Service Manual Part Code Description GWH09QB-K6DNB2E/I GWH09QB-K6DNE4E/I GWH09QB-K6DNB4E/I Product Code CB432N17600 CB470N02700 CB434N12300 Front Panel Assy 20000300019 200003000065 20000300026 Display Board 30565260 300001000081 30565260 Front Case Assy 00000200040 00000200040 00000200040 Guide Louver 1051276301 1051276301 1051276301 Air Louver 2 10512720 10512720 10512720 Swing Lever 10582460...
  • Page 133 Service Manual Part Code Description GWH12QC-K6DNA5D/I GWH12QC-K6DNE4D/I GWH12QC-K6DNB6D/I Product Code CB425N12300 CB470N02900 CB435N09400 Front Panel Assy 00000300022 200003000067T 20000300049T Display Board 30565260 300001000081 30565281 Front Case Assy 00000200022 00000200045 00000200045 Guide Louver 1051249202 1051293101 1051293101 Air Louver 2 10512725 10512725 10512725 Swing Lever 10582459...
  • Page 134 Service Manual Part Code Description GWH12QC-K6DNC2D/I GWH12QC-K6DNB4D/I GWH12QC-K6DNB2D/I Product Code CB439N13100 CB434N12600 CB432N17800 Front Panel Assy 20000300069S 20000300027T 20000300018S Display Board 30565281 30565260 30565260 Front Case Assy 00000200045 00000200045 00000200045 Guide Louver 1051293101 1051293101 1051293101 Air Louver 2 10512725 10512725 10512725 Swing Lever 10582459...
  • Page 135 Service Manual Part Code Description GWH09QB-K6DNB6E/I GWH09QB-K6DNB8E/I GWH12QC-K6DNB8D/I Product Code CB435N09600 CB438N10100 CB438N10200 Front Panel Assy 20000300050T 20000300073T 20000300074T Display Board 30565281 30565260 30565260 Front Case Assy 00000200040 00000200040 00000200045 Guide Louver 1051276301 1051276301 1051293101 Air Louver 2 10512720 10512720 10512720 Swing Lever 10582460...
  • Page 136 Service Manual Part Code Description GWH12QC-K6DNC6D/I GWH09QB-K6DNC6E/I Product Code CB443N05700 CB443N06000 Front Panel Assy 20000300102T 20000300101T Display Board 30565260 30565260 Front Case Assy 00000200045 00000200040 Guide Louver 1051293101 1051276301 Air Louver 2 10512725 10512720 Swing Lever 10582459 10582460 Helicoid Tongue 26112436 26112508 Rear Case...
  • Page 137 Service Manual Description GWH09QC-K6DNC2A/I GWH12QC-K6DNC2A/I Product Code CB439N14100 CB439N14200 Front Panel Assy 20000300069S 20000300069S Display Board 30565281 30565281 Front Case Assy 00000200045 00000200045 Guide Louver 1051293101 1051293101 Air Louver 2 10512725 10512725 Swing Lever 10582459 10582459 Helicoid Tongue 26112436 26112436 Rear Case 2220255401 2220255401...
  • Page 138 Service Manual Part Code Description GWH12QC-K6DNB8D/I GWH09QB-K6DNA3E/I GWH12QC-K6DNA3D/I Product Code CB438N10201 CB424N08000 CB424N08200 Front Panel Assy 20000300074 00000300172 00000300177 Display Board 30565260 300001060081 30565263 Front Case Assy 00000200045 00000200119 00000200109 Guide Louver 1051293101 1051272202 1051249202 Air Louver 2 10512725 10512720 10512725 Swing Lever 10582459...
  • Page 139 Service Manual Part Code Description GWH09QB-K6DND6E/I GWH12QC-K6DNB2D/I GWH09QB-K6DNB2E/I Product Code CB460N05900 CB432N17802 CB432N17602 Front Panel Assy 200003000028S 20000300018S 20000300019S Display Board 300001000041 30565260 30565260 Front Case Assy 00000200040 00000200045 00000200040 Guide Louver 1051276301 1051293101 1051276301 Air Louver 2 10512720 10512725 10512720 Swing Lever 10582460...
  • Page 140 Service Manual Part Code Description GWH09QB-K6DND2E/I GWH12QC-K6DND2D/I GWH09QB-K6DND2E/I Product Code CB461N05800 CB461N05500 CB461N05802 Front Panel Assy 00000300003202 200003000007 00000300003204 Display Board 30565281 30565281 30565308 Front Case Assy 00000200040 00000200045 000002000070 Guide Louver 1051276301 1051293101 1051276302P01 Air Louver 2 10512720 10512725 10512720 Swing Lever 10582460...
  • Page 141 Service Manual Part Code Description GWH12QC-K6DND2D/I GWH12QC-K6DND2D/I GWH09QB-K6DND2E/I Product Code CB461N05501 CB461N05502 CB461N05801 Front Panel Assy 20000300000701P01 20000300000701P 00000300003201 Display Board 30565308 300001000033 300001000033 Front Case Assy 00000200000703 00000200000701 00000200000601 Guide Louver 10512492 1051293102P 1051276302P Air Louver 2 10512725 10512725 10512720 Swing Lever 10582459...
  • Page 142 Service Manual Part Code Description GWH12QC-K6DNC8D/I GWH09QB-K6DNB2E/I GWH12QC-K6DNB2D/I Product Code CB456N07100 CB432N17601 CB432N17801 Front Panel Assy 20000300154T 20000300019S 20000300018S Display Board 30565281 30565260 30565260 Front Case Assy 00000200045 00000200040 00000200045 Guide Louver 1051293101 1051276301 1051293101 Air Louver 2 10512725 10512720 10512725 Swing Lever 10582459...
  • Page 143 Service Manual Part Code Description GWH12QC-K6DND6D/I GWH09QB-K6DNB4E/I GWH12QC-K6DNB4D/I Product Code CB460N06700 CB434N12302 CB434N12601 Front Panel Assy 200003000029S 20000300026T 20000300027T Display Board 300001000041 30565260 30565260 Front Case Assy 00000200045 00000200040 00000200045 Guide Louver 1051293101 1051276301 1051293101 Air Louver 2 10512725 10512720 10512725 Swing Lever 10582459...
  • Page 144 Service Manual Part Code Description GWH09QB-K6DNC6E/I GWH12QC-K6DNC6D/I Product Code CB443N06002 CB443N05702 Front Panel Assy 20000300101 20000300102T Display Board 30565260 30565260 Front Case Assy 00000200040 00000200045 Guide Louver 1051276301 1051293101 Air Louver 2 10512720 10512725 Swing Lever 10582460 10582459 Helicoid Tongue 26112508 26112436 Rear Case...
  • Page 145 Service Manual Part Code Description GWH09QB-K6DNB8E/I GWH12QC-K6DNB8D/I GWH12QC-K6DNA5X/I Product Code CB438N10101 CB438N10202 CB425N15500 Front Panel Assy 20000300073T 20000300074T 00000300022 Display Board 30565260 30565260 30565260 Front Case Assy 00000200040 00000200045 00000200022 Guide Louver 1051276301 1051293101 1051249202 Air Louver 2 10512720 10512725 10512725 Swing Lever 10582460...
  • Page 146 Service Manual Part Code Description GWH09QC-K6DND2A/I GWH12QC-K6DND2A/I Product Code CB461N06600 CB461N06500 Front Panel Assy 00000300003305 00000300003305 Display Board 30565308 30565308 Front Case Assy 00000200000703 00000200000703 Guide Louver 1051293102P01 1051293102P01 Air Louver 2 10512725 10512725 Swing Lever 10582459 10582459 Helicoid Tongue 26112436 26112436 Rear Case...
  • Page 147 Service Manual 09/12K For some models The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 148 Service Manual Part Code Description GWH09QB-K6DNC4E/I GWH12QC-K6DNE4D/I GWH09QB-K6DNE4E/I Product Code CB444N09602 CB434N04404 CB470N02702 Front Panel 20000300105S 20000300026T 200003000065 Display Board 30565260 30565260 300001000081 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 149 Service Manual Part Code Description GWH09QB-K6DNA5E/I GWH12QC-K6DNA5D/I GWH09QB-K6DNA2E/I Product Code CB425N12502 CB425N12302 CB426N07600 Front Panel 2002267001 2002269402S 20022719 Display Board 30565260 30565260 300001060082 Front Case Assy 2002249501 00000200022 2002273001 Helicoid Tongue 26112508 26112436 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 00000100093...
  • Page 150 Service Manual Part Code Description GWH12QB-K6DNB2A/I Product Code CB432N25500 Front Panel 20000300019S Display Board 30565260 Front Case Assy 00000200040 Helicoid Tongue 26112508 Left Axile Bush 10512037 Rear Case assy 20162010 Drainage Hose 0523001408 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator Support 24212180...
  • Page 151 Service Manual The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 152 Service Manual Part Code Description GWH09QA-K6DNB2A/I Product Code CB432N25400 Front Panel Assy 20000300021S Display Board 30565260 Front Case Assy 00000200041 Axile Bush 10542036 Helicoid Tongue 26112509 Left Axile Bush 10512037 Rear Case assy 20022732 Rubber Plug (Water Tray) 76712012 O-Gasket sub-assy of Bearing 76512051 Ring of Bearing 26152022...
  • Page 153 Service Manual 18K For some models The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 154 Service Manual Part Code Description GWH18QD-K6DNA1D/I GWH18QD-K6DNB6D/I GWH18QD-K6DNE4D/I Product Code CB419N15600 CB435N09500 CB470N03000 Decorative Strip 20192613 Front Panel Assy 20022490 20000300040T 200003000064T Display Board 30565233 30565278 300001000081 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 20192612 20192662 20192662 Front Case 20022484 2002248401 2002248401...
  • Page 155 Service Manual Part Code Description GWH18QD-K6DNC2E/I GWH18QD-K6DNB2D/I GWH18QD-K6DNB4D/I Product Code CB439N13200 CB432N17900 CB434N12500 Decorative Strip Front Panel Assy 20000300070S 20000300023 20000300028T Display Board 30565278 30565260 30565260 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 20192662 20192662 20192662 Front Case 2002248401 2002248401 2002248401 Guide Louver...
  • Page 156 Service Manual Part Code Description GWH18QD-K6DNA5D/I GWH18QD-K6DNC6D/I GWH18QD-K6DNB8D/I Product Code CB425N12400 CB443N05800 CB438N10300 Decorative Strip 20192703P Front Panel Assy 00000300035 20000300103T 20000300075T Display Board 30565260 30565260 30565260 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 2019261201 20192662 20192662 Front Case 2002248401 2002248401 2002248401...
  • Page 157 Service Manual Part Code Description GWH18QD-K6DNC6D/I GWH18QD-K6DNB6D/I GWH18QD-K6DNA3D/I Product Code CB443N05802 CB435N09500 CB424N08100 Decorative Strip 2019267602 Front Panel Assy 20000300103 20000300040T 2002278602 Display Board 30565260 30565278 30565262 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 20192662 20192662 2019269302 Front Case 2002248401 2002248401 2002248401...
  • Page 158 Service Manual Part Code Description GWH18QD-K6DND2D/I Product Code CB461N05702 CB461N05701 CB461N05700 Decorative Strip Front Panel Assy 00000300003101 00000300003106 000003000031 Display Board 300001000034 30565308 30565278 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 2019266201P 2019266201 20192662 Front Case 2002248402P 2002248402 2002248401 Guide Louver 1051276502 1051276502...
  • Page 159 Service Manual Part Code Description GWH18QD-K6DNB2D/I GWH18QD-K6DND6D/I GWH18QD-K6DNB4D/I Product Code CB432N17901 CB460N06600 CB434N12501 Decorative Strip Front Panel Assy 20000300023S 200003000027 20000300028T Display Board 30565260 300001000042 30565260 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 20192662 20192662 20192662 Front Case 2002248401 2002248401 2002248401 Guide Louver...
  • Page 160 Service Manual Part Code Description GWH18QD-K6DNA5X/I GWH18QD-K6DNB8D/I GWH18QD-K6DND2A/I Product Code CB425N15300 CB438N10301 CB461N06700 Decorative Strip 20192703P 2019266201P01 Front Panel Assy 00000300035 20000300075T 00000300003106 Display Board 30565260 30565260 30565308 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 2019261201 20192662 2019266201P01 Front Case 2002248401 2002248401 2002248402...
  • Page 161 Service Manual GWH18QD-K6DNE4D/I(CB470N03001) GWH18QD-K6DNA5D/I(CB425N12402) GWH18QD-K6DNC4D/I(CB444N12300) The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 162 Service Manual Part Code Description GWH18QD-K6DNE4D/I GWH18QD-K6DNA5D/I GWH18QD-K6DNC4D/I Product Code CB470N03001 CB425N12402 CB444N12300 Front Panel 200003000064T 2002266901S01 20000300106S Display Board 300001000081 30565260 30565260 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board 20192662 2019261204 20192662 Front Case 2002248401 2002248403 2002248401 Guide Louver 1051276501 1051273402 1051276501...
  • Page 163 Service Manual 24K For some models The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 164 Service Manual Part Code Description GWH24QE-K6DNA1E/I GWH24QE-K6DNC2E/I GWH24QE-K6DNB6E/I Product Code CB419N15700 CB439N13000 CB435N09300 Front Panel Assy 20022491 20000300071S 20000300048T Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 24252453 2425245301 2425245301 Front Case Assy 20022487 00000200043 00000200043 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744...
  • Page 165 Service Manual Part Code Description GWH24QE-K6DNB2E/I GWH24QE-K6DNA5E/I GWH24QE-K6DNB4E/I Product Code CB432N17700 CB425N12200 CB434N12400 Front Panel Assy 20000300016S 00000300021 20000300029T Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245301 Front Case Assy 00000200043 00000200013 00000200043 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744...
  • Page 166 Service Manual Part Code Description GWH24QE-K6DNC4E/I GWH24QE-K6DNE4E/I GWH24QE-K6DNB8E/I Product Code CB444N09800 CB470N02800 CB438N10400 Front Panel Assy 20000300099S 200003000062T 20000300076T Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245301 Front Case Assy 00000200043 00000200043 00000200043 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744...
  • Page 167 Service Manual Part Code Description GWH24QE-K6DNC6E/I GWH24QE-K6DNC6E/I GWH24QE-K6DNB6E/I Product Code CB443N05900 CB443N05903 CB435N09300 Front Panel Assy 20000300104T 20000300104T 20000300048T Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245301 Front Case Assy 00000200043 00000200043 00000200043 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744...
  • Page 168 Service Manual Part Code Description GWH24QE-K6DND2E/I Product Code CB461N05602 CB461N05601 CB461N05600 Front Panel Assy 00000300233 0000030023502 00000300234 Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245302P01 2425245302P 2425245301 Front Case Assy 00000200174 0000020017301 00000200043 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744 10512744...
  • Page 169 Service Manual Part Code Description GWH24QE-K6DNB2E/I GWH24QE-K6DND6E/I GWH24QE-K6DNB8E/I Product Code CB432N17701 CB460N06500 CB438N10401 Front Panel Assy 20000300016S 200003000023S 20000300076T Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245301 Front Case Assy 00000200043 00000200043 00000200043 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744...
  • Page 170 Service Manual Part Code Description GWH24QE-K6DNB4E/I GWH24QE-K6DNA5X/I GWH24QE-K6DND2I/I Product Code CB434N12403 CB425N15400 CB461N06800 Front Panel Assy 20000300029T 00000300021 0000030023502 Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245302P Front Case Assy 00000200043 00000200013 0000020017301 Swing Lever 10512743 10512743 10512743 Air Louver 10512744 10512744...
  • Page 171 Service Manual GWH24QE-K6DNE4E/I(CB470N02801) GWH24QE-K6DNB4E/I(CB434N12402) GWH24QE-K6DNA5E/I(CB425N12203) GWH24QE-K6DNC6E/I(CB443N05902) GWH24QE-K6DNA5E/I(CB425N12202) GWH24QE-K6DNC4E/I(CB444N09801) GWH24QE-K6DNC2E/I(CB439N13001) The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 172 Service Manual Part Code Description GWH24QE-K6DNE4E/I GWH24QE-K6DNB4E/I GWH24QE-K6DNA5E/I Product Code CB470N02801 CB434N12402 CB425N12203 Front Panel 200003000062T 20000300029T 2002267401S01 Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245301 Front Case Assy 00000200043 00000200043 00000200013 Air Louver(Manual) 10512737 10512737 10512737 Helicoid Tongue 26112513 26112513 26112513...
  • Page 173 Service Manual Part Code Description GWH24QE-K6DNC6E/I GWH24QE-K6DNA5E/I GWH24QE-K6DNC4E/I Product Code CB443N05902 CB425N12202 CB444N09801 Front Panel 20000300104T 2002267401S01 20000300099S Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425245301 2425245301 2425245301 Front Case Assy 00000200043 00000200013 00000200043 Air Louver(Manual) 10512737 10512737 10512737 Helicoid Tongue 26112513 26112513 26112513...
  • Page 174 Service Manual Part Code Description GWH24QE-K6DNC2E/I Product Code CB439N13001 Front Panel 20000300071S Filter Sub-Assy 1101200703 Screw Cover 2425245301 Front Case Assy 00000200043 Air Louver(Manual) 10512737 Helicoid Tongue 26112513 Left Axile Bush 10512037 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...

  • Page 175: Outdoor Unit

    Service Manual 10.2 Outdoor Unit GWH09QB-K6DNA1E/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 176 Service Manual Part Code Description GWH09QB-K6DNA1E/O Product Code CB419W15800 CB419W15801 Electric Box Assy 100002061319 100002061410 Electric Box 20113034 20113034 Main Board 300027060176 300027060177 Reactor 43130184 43130184 Terminal Board 422000060016 422000060016 Wire Clamp 71010103 71010103 Front Grill 22413049 22413049 Front Panel...
  • Page 177 Service Manual GWH12QC-K6DNA1D/O GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O GWH12QC-K6DNA5X/O 21 22 23 24 25 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 178 Service Manual Part Code Description GWH12QC-K6DNA1D/O Product Code CB419W15500 CB419W15501 Left Side Plate 01303200P 01303200P Fan Motor 1501308511 1501308511 Motor Support 01703136 01703136 Condenser Assy 011002060182 011002060182 Top Cover Sub-Assy 000051060003 000051060003 Rear Grill 01475014 01475014 Clapboard Sub-Assy 01233180 01233180 Compressor and Fittings 009001060066 009001060066...
  • Page 179 Service Manual Part Code Description GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O GWH12QC-K6DNA5X/O Product Code CB437W01600 CB437W01100 CB425W15500 Left Side Plate 01303200P 01303200P 01303200P Fan Motor 1501308507 1501308511 1501308511 Motor Support 01703136 01703136 01703136 Condenser Assy 011002000239 011002000245 011002060182 Top Cover Sub-Assy 01253081 01253081 000051060094 Rear Grill 01475014 01475014...
  • Page 180 Service Manual 18/24K The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 181 Service Manual Part Code Description GWH18QD-K6DNA1D/O Product Code CB419W15600 CB419W15601 Front Grill 22413045 22413045 Front Panel 01535013P 01535013P Drainage Connecter 06123401 06123401 Chassis Sub-assy 02803270P 02803270P Drainage Joint 06813401 06813401 Compressor and Fittings 009001060006 009001060006 Magnet Coil 4300876704 4300876704 4-Way Valve Assy 030152060089 030152060089 Cut off Valve Assy...
  • Page 182 Service Manual Part Code Description GWH24QE-K6DNA1E/O Product Code CB419W15700 CB419W15701 Front Grill 22415010 22415010 Front Panel 01535013P 01535013P Drainage Connecter 06123401 06123401 Chassis Sub-assy 0120581601P 01205816P Drainage Joint 06813401 06813401 Compressor and Fittings 009001000195 009001000195 Magnet Coil 4300040087 4300040087 4-Way Valve Assy 03073274 03073274 Cut off Valve Assy...
  • Page 183 Service Manual Part Code Description GWH18QD-K6DNA5X/O GWH24QE-K6DNA5X/O Product Code CB425W15300 CB425W15400 Front Grill 22413045 22413045 Front Panel 01535013P 01535013P Drainage Connecter 06123401 06123401 Chassis Sub-assy 02803231P 01205816P Drainage Joint 06123401 06123401 Compressor and Fittings 009001060006 009001000195 Magnet Coil 07200200001202 4300040087 4-Way Valve Assy 030152060089 03073274...
  • Page 184 Service Manual Part Code Description GWH18YD-K6DNA1A/O GWH24YE-K6DNA1A/O Product Code CB437W01300 CB437W01400 Front Grill 22413045 22415010 Front Panel 01535013 01535013P Drainage Connecter 06123401 06123401 Chassis Sub-assy 02803231P 01205816P Drainage hole Cap 06813401 06813401 Compressor and fittings 00103919G 00103920 Magnet Coil 4300040045 4300040087 4-Way Valve Assy 03015200069...
  • Page 185 Service Manual GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O 33 34 The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 186 Service Manual Part Code Description GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Product Code CB385W01000 CB385W01700 Coping 01204906008701P 01204906008701P Supporting Board(Condenser) 012072061032 012072061032 4-Way Valve 430004022 430004022 Sponge(Condenser) 1212309101 1212309101 Temperature Sensor Support 24213042 24213042 Condenser Assy 011002061289 011002061317 Capillary Sub-assy 030006060901 030006060915 Sensor Insert 42020063 42020063 Right Side Plate...

  • Page 187: Removal Procedure

    Service Manual 11. Removal Procedure Caution: discharge the refrigerant 11.1 Removal Procedure of Indoor Unit completely before removal. 09/12K Note:Take A1 Panel for example. Step Procedure 1. Remove filter assembly Front panel Open the front panel. Push the left filter and right filter until they are separate from the groove on the front panel.
  • Page 188 Service Manual Step Procedure 4. Remove detecting plate(wifi) and electric box cover2 Remove the screws fixing detecting plate and remove detecting plate(wifi). Detecting plate(WIFI) Remove the screws fixing electric box cober2 and remove electric box2. 5. Remove front case sub-assy Screws Remove the screws fixing front case.
  • Page 189 Service Manual Step Procedure 7. Remove electric box assy Screw Loosen the connection clasps between shield cover of electric box sub-assy and Clasps electric box, and then remove the shield cover of electric box sub-assy. Remove the screw fixing electric box assy . Electric box Shield cover of electric box sub-assy...
  • Page 190 Service Manual Step Procedure Instruction: Some wiring terminal of this product is with lock catch and other devices. circlip The pulling method is as below: holder 1.Remove the soft sheath for some terminals at first, hold the circlip and then pull out the terminals.
  • Page 191 Service Manual Step Procedure 9. Remove motor and cross flow blade Remove the screws fixing motor clamp Screws and then remove the motor clamp. Motor clamp Cross flow Remove the screws at the connection Screw Motor place of cross flow blade and motor; lift Holder the motor and cross flow blade upwards sub-assy...
  • Page 192 Service Manual 18/24K Note:Take A1 Panel for example. 1.Remove fifter assy Front panel Open the front panel. Push the left and rightfilters to make them break away from thegroove on the front case. Then remove the leftand right filters one by one. Left filter Front Right filter...
  • Page 193 Service Manual 4.Remove electric box cover 2 Remove the screws on the electric box cover 2 and detecting plate(WIFI), then remove the electric box cover 2 and detecting plate(WIFI). Electric box cover2 Screw Note:The position of detection Detecting plate(WIFI) Electric box cover board(WIFI) may be different for different models.
  • Page 194 Service Manual Step Procedure 7.Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertion louver. Swing motor Screw off the screws that are locking the swing motor and take the motor off. 8.Remove electric box assy Loosen the connection clasps between shield cover of electric box sub-assy and electric box,and then remove the shield...
  • Page 195 Service Manual Step Procedure Rotate the electric box assy. Twist off the screws Rotate the electric box assy. Twist offthe that are locking the wire clip and loosen the Screws screwsthat are locking the wire clip and power cord. Remove the wiring terminal of loosen the power cord.
  • Page 196 Service Manual Step Procedure Adjust the position of conncetion pipe on evaporator up wards to remove it. 10.Remove motor and cross flow blade Remove the screws fixing motor clamp and then remove the motor clamp. ① Remove the screws at the connection place of cross flow blade and motor;...

  • Page 197: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit GWH09QB-K6DNA1E/O Step Procedure 1. Remove big handle Right side plate Remove the screw fixing big handle; slide out the big handle upwards to make the clasp of big handle separate from the groove of right side plate, and then remove the big handle.
  • Page 198 Service Manual Step Procedure 4. Remove the front cover Screws Screw off the screws that are locking the front cover. Then take it off. Screws Screws Front cover Screws 5. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the axial flow blade.
  • Page 199 Service Manual Step Procedure 6. Remove protective grille and right side plate Protective Remove the screws 1 fixing protective grille and then remove the protective grille grille. Screws 2 Screws 1 Right side plate Right side plate Remove the screws 2 fixing right side plate and then remove the right side plate.
  • Page 200 Service Manual Step Procedure 8. Remove 4-way valve assy Unsolder the spot weld of 4-way valve assy, compressor and condenser, and then remove the 4-way valve assy . 4-way valve assy Note: When unsoldering the spot weld, wrap the 4-way valve with wet cloth completely to avoid damaging the valve due to high temperature.
  • Page 201 Service Manual Step Procedure Clapboard 11. Remove clapboard sub-assy Loosen the screws of the Clapboard Sub- Assy . The Clapboard Sub-Assy has a hook on thelower side. Lift and pull the Clapboard Sub- Assyto remove. 12. Remove Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valveand air return pipe and remove the gas valve.(Note: it is necessary to warp the gas...
  • Page 202 Service Manual GWH09YC-K6DNA1A/O 12K Steps Procedure 1.Remove big handle Before disassamble． Remove the screws fixing handle、valve big handle cover and then remove them. valve cover 2. Remove top cover top cover Remove the screws fixing top panel and then remove the top panel. Installation and Maintenance...
  • Page 203 Service Manual Step Procedure 3.Remove grille 、protective grille and front panel Remove connection screws between the front grille and the front panel. Then remove the front grille. Remove connection screws connecting the front protective panel with the chassis and the motor support, and grille then remove the front panel.
  • Page 204 Service Manual Step Procedure 6.Remove motor and motor support Remove the screws fixing motor and then remove the motor. Remove the screws fixing motor support and then remove the motor support. motor support motor 7.Remove electric box assy Remove the screws fixing electric box assy; cut off electric box assy the tieline;...
  • Page 205 Service Manual Step Procedure 9.Remove 4-way valve assy and capillary sub-assy Unsolder the welding joints connecting the 4-way valve assy with capillary sub-assy, compressor and condenser; remove the 4-way valve. 4-way valve assy Note: Before unsoldering the welding joint, wrap the 4-way Capillary valve with a wet cloth completely to avoid damage Electronic...
  • Page 206 Service Manual 18/24K Steps Procedure 1. Remove top panel Twist off the screws used for fixing the handle and v alve cover , pull the handle and v alve cover up ward to remove it. handle valve top panel Remove the 3 screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
  • Page 207 Service Manual Steps Procedure Remove the screws connecting the outer case with motor support, isolation plate and chassis; lift the outer case upwards; loosen the clasps of outer case with right side plate and left side plate, and then remove the outer case. outer case 3.
  • Page 208 Service Manual Steps Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow fan motor support Remove the 6 screws fixing the motor and then remove the motor. Remove the 2 screws connecting the motor support and chassis, and then loosen the stopper to remove the motor support.
  • Page 209 Service Manual Steps Procedure 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the soundproof sponge. soundproof sponge 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
  • Page 210 Service Manual Steps Procedure 9. Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects. condenser sub-assy 10.
  • Page 211 Service Manual GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Steps Procedure 1. Before disassembly 2. Remove big handle and valve cover big handle Remove the connection screw fixing the big handle and then remove the valve cover. valve cover 3. Remove top cover top cover Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top...
  • Page 212 Service Manual Steps Procedure 4. Remove grille Remove connection screws between the front grille and the front panel. Then remove the grille. grille 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel.
  • Page 213 Service Manual Steps Procedure 8. Remove motor and motor support motor support Remove the tapping screws fixing the motor and disconnect the leading wire insert of the motor. Then remove the motor. Remove the tapping screws fixing the motor support and lift the motor support to motor remove it.
  • Page 214 Service Manual Steps Procedure 11. Remove compressor Unsolder the welding joint connecting the capillary, valves and the outlet pipe of condenser to remove the capillary. Do not block the capillary with welding slag 4-way valve during unsoldering. Remove the 2 screws fixing the gas valve and unsolder the welding joint between the gas valve and the air-return pipe to remove the gas valve.

  • Page 215: Appendix

    Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius （℃） Celsius （℃） Celsius （℃） temperature temperature temperature （℉）...

  • Page 216: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...

  • Page 217: Appendix 4: List Of Resistance For Temperature Sensor

    Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009...
  • Page 218 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2...
  • Page 219 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08...
  • Page 220 JF00303643 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com www.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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