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Gree A1 Service Manual
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Gree A1 Service Manual

Gree A1 Service Manual

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

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Summary of Contents for Gree A1

  • Page 1 Change for life Service Manual Models: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
  • Page 2 6.2 Remote Controller Introduction of YAW1F5(WiFi) ........53 6.3 Remote Controller Introduction of YAP1FB2(WiFi) .........56 6.4 Remote Controller Introduction of YAC1FB9(WiFi) .........62 6.5 GREE+ App Operation Manual ................68 6.6 Ewpe Smart App Operation Manual ..............69 6.7 Brief Description of Modes and Functions ...........70...
  • Page 3 Service Manual 8.5 Installation of Indoor Unit ..................81 8.6 Installation of Outdoor Unit ................83 8.7 Vacuum Pumping and Leak Detection ............84 8.8 Check after Installation and Test Operation ..........84 9. Maintenance ......................85 9.1 Error Code List ......................85 9.2 Procedure of Troubleshooting ................92 9.3 Troubleshooting for Normal Malfunction ............105...
  • Page 4 Service Manual Part : Technical Information 1. Summary Indoor Unit Technical Information...
  • Page 5 Service Manual Technical Information...
  • Page 6 Service Manual Outdoor Unit GWH09QB-K6DNA1C/O GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O GWH12QC-K6DNA1C/O GWH12QB-K6DNB8I/O GWH18QD-K6DNA1C/O GWH18AAD-K6DNA1B/O GWH24AAD-K6DNA1A/O Remote Controller YAN1F6(WIFI) YAW1F5(WiFi) YAP1FB2(WiFi) YAC1FB9(WiFi) WiFi WiFi Technical Information...
  • Page 7 Service Manual Indoor product Outdoor Remote Model Product code Indoor model Outdoor model code product code Controller GWH09QB-K6DNA5E CB425012500 GWH09QB-K6DNA5E/I CB425N12500 GWH09QB-K6DNB6E CB435009600 GWH09QB-K6DNB6E/I CB435N09600 GWH09QB-K6DNA1E/O CB419W15800 3 GWH09QB-K6DNC2E CB439013300 GWH09QB-K6DNC2E/I CB439N13300 CB435009603 CB435N09603 YAC1FB9 GWH09QB-K6DNB6E GWH09QB-K6DNB6E/I (WiFi) CB435009602 CB435N09602 GWH09QB-K6DNA5E CB425012501 GWH09QB-K6DNA5E/I CB425N12500...
  • Page 8 Service Manual Indoor product Outdoor Remote Model Product code Indoor model Outdoor model code product code Controller 60 GWH12QC-K6DNE2C CB462001800 GWH12QC-K6DNE2C/I CB462N01800 61 GWH12QC-K6DND4C CB464000200 GWH12QC-K6DND4C/I CB464N00200 62 GWH12QC-K6DNE6C CB465000500 GWH12QC-K6DNE6C/I CB465N00500 63 GWH12QC-K6DNA3C CB424005200 GWH12QC-K6DNA3C/I CB424N05200 64 GWH12QC-K6DNC8C CB456003200 GWH12QC-K6DNC8C/I CB456N03200 GWH12QC-K6DNA1C/O CB419W12300 YAN1F6 65 GWH12QC-K6DNB4C CB434012000 GWH12QC-K6DNB4C/I CB434N12000 (WiFi)
  • Page 9 Service Manual Parameter Unit Value 1.GWH09QB-K6DNA1C 2.GWH09QB-K6DNA3C 3.GWH09QB-K6DND4C 4.GWH09QB-K6DNE6C 5.GWH09QB-K6DND6C 6.GWH09QB-K6DNC8C Model 7.GWH09QB-K6DNE4C 8.GWH09QB-K6DNB4C 9.GWH09QB-K6DND6C 10.GWH09QB-K6DNB2C 11.GWH09QB-K6DNB6C 12.GWH09QB-K6DNC2C 1.CB419011900 2.CB424004900 3.CB464000300/CB464000302 4.CB465000600/CB465000601 5.CB460003000 6.CB456003500 Product Code 7.CB470002000 8.CB434011300/CB434011301 9.CB460003002 10.CB432012502 11.CB435007500 12.CB439009201 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max)
  • Page 10 Service Manual Outdoor Unit Model GWH09QB-K6DNA1C/O Outdoor Unit Product Code CB419W11900 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B096zE190A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. 20.00 Compressor RLA 4.21 Compressor Power Input Compressor Overload Protector 1NT11L-6233 HPC115/95U1 KSD115ºC Throttling Method Capillary Set Temperature Range...
  • Page 11 Service Manual 1.GWH09QB-K6DNB8I 2.GWH09QB-K6DNC4I 3.GWH09QB-K6DNE4I 4.GWH09QB-K6DNB4I 5.GWH09QB-K6DNA1I 6.GWH09QB-K6DND6I 1.GWH09QB-K6DNA1C 7.GWH09QB-K6DNA5I 8.GWH09QB-K6DNA3I 2.GWH09QB-K6DNB6C 9.GWH09QB-K6DNB8I 10.GWH09QB-K6DND6I Model 3.GWH09QB-K6DNB2C 11.GWH09QB-K6DNE4I 12.GWH09QB-K6DNC6I 4.GWH09QB-K6DND6C 13.GWH09QB-K6DNC2I 14.GWH09QB-K6DNC8I 5.GWH09QB-K6DNC4C 15.GWH09QB-K6DNA2I 16.GWH09QB-K6DNA6I 17.GWH09QB-K6DND8I 18.GWH09QB-K6DNB6I 19.GWH09QB-K6DNB2I 1.CB438007400 2.CB444007400/CB444007401 3.CB470002200 4.(CB434011500/CB434011501) 5.CB419015100 6.CB460005600 7.(CB425011700/ CB425011701) 8.CB424006800/CB424006801 1.CB419011901 9.CB438007401 10.CB460005601 11.CB470002201 2.CB435007501 12.(CB443005200/CB443005201) 13.(CB439012600/ Product Code...
  • Page 12 Service Manual Outdoor Unit Model GWH09QB-K6DNA1C/O(LCLH) GWH09QB-K6DNB8I/O(LC) Outdoor Unit Product Code CB419W11901 CB438W07400 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO.,LTD COMPRESSOR CO.,LTD Compressor Model QXF-B096zE190A QXF-B096zE190A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary Compressor LRA. 20.00 20.00 Compressor RLA 4.21 4.21 Compressor Power Input...
  • Page 13 Service Manual Parameter Unit Value 1.GWH12QC-K6DNA1C 2.GWH12QC-K6DND4C 3.GWH12QC-K6DNE6C 4.GWH12QC-K6DNC8C Model 5.GWH12QC-K6DNB2C GWH12QC-K6DNA3C 6.GWH12QC-K6DNB4C 7.GWH12QC-K6DNB6C 8.GWH12QC-K6DNC2C 9.GWH12QC-K6DNE2C 1.CB419012300 2.CB464000200 3.CB465000500 4.CB456003200 Product Code 5.CB432014802 6.(CB434012000/CB434012001) CB424005200 7.CB435007300 8.CB439009403 9.CB462001800 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max)
  • Page 14 Service Manual Outdoor Unit Model GWH12QC-K6DNA1C/O Outdoor Unit Product Code CB419W12300 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXF-B096zE190A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 4.21 Compressor Power Input Compressor Overload Protector 1NT11L-6233 HPC115/95U1 KSD115ºC Throttling Method Capillary Set Temperature Range...
  • Page 15 Service Manual Parameter Unit Value 1.GWH12QC-K6DNA1C 2.GWH12QC-K6DNB6C 3.GWH12QC-K6DNE4C Model GWH09QB-K6DNC2C 4.GWH12QC-K6DND6C 5.GWH12QC-K6DNB2C 6.GWH12QC-K6DNC4C 1.CB419012301 2.CB435007301 3.CB470002101 Product Code CB439009202 4.CB460003501 5.CB432014801 6.CB444009301 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) 3500(800~3700) 2600(500~3350) Heating Capacity(Min~Max) 3670(900~380) 2800(500~3500)
  • Page 16 Service Manual Outdoor Unit Model GWH12QC-K6DNA1C/O(LCLH) GWH09QB-K6DNA1C/O Outdoor Unit Product Code CB419W12301 CB419W11902 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. Compressor RLA 4.21 4.21 Compressor Power Input...
  • Page 17 Service Manual 1.GWH18QD-K6DNB4B 2.GWH18QD-K6DNA1B 3.GWH18QD-K6DND6B 4.GWH18QD-K6DNA5B Model GWH18QD-K6DNC8C 5.GWH18QD-K6DND8B 6.GWH18QD-K6DNB6B 7.GWH18QD-K6DNE4B 8.GWH18QD-K6DNC8B 1.CB434011200/CB434011201 2.CB419015200 3.CB460005301 4.CB425011900/CB425011901 Product Code CB456003400 5.CB459005200/CB459005201 6.CB435010501 7.CB470002402 8.CB456006001/CB456006002 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) 5130(1200~6200) 4600 Heating Capacity(Min~Max) 5280(1200~6600)
  • Page 18 Service Manual Outdoor Unit Model GWH18QD-K6DNA1C/O GWH18AAD-K6DNA1B/O Outdoor Unit Product Code CB419W12500 CB476W00600 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO.,LTD COMPRESSOR CO., LTD Compressor Model QXF-B141ZF030A QXF-B096zE190A Compressor Oil 68EP FW68DA Compressor Type Rotary Rotary Compressor LRA. 16.5 Compressor RLA 4.21 Compressor Power Input 1410...
  • Page 19 Service Manual 1.GWH12QB-K6DNC4I 2.GWH12QB-K6DNE4I 3.GWH12QB-K6DNE4I 4.GWH12QB-K6DNC2I 5.GWH12QB-K6DNA6I 6.GWH12QB-K6DNB6I Model 7.GWH12QB-K6DND8I 8.GWH12QB-K6DNB4I 9.GWH12QB-K6DNA1I 10.GWH12QB-K6DNC8I 11.GWH12QB-K6DNB2I 12.GWH12QB-K6DNC2I 1.CB444007500 2.CB470002300 3.CB470002301 4.CB439012700/CB439012701 5.CB427010300 6.CB435010400/CB435010401 7.CB459005101 Product Code 8.CB434010602/CB434010603 9.CB419015001/CB419015002 10.CB456006202 11.CB432012301/CB432012302 12.CB439012702 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) 3200 (600~3600)
  • Page 20 Service Manual Model of Outdoor Unit GWH12QB-K6DNB8I/O Product Code of Outdoor Unit CB438W06800 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXF-B096zE190A Compressor Oil FW68DA Compressor Type Rotary L.R.A. 20.0 Compressor RLA 4.21 Compressor Power Input Overload Protector 1NT11L-6233 Throttling Method Capillary Operation temp...
  • Page 21 Service Manual GWH09QB-K6DNB6E GWH09QB-K6DNA5E GWH09QB-K6DNC8E Model GWH09QB-K6DNB6E GWH09QB-K6DNA5E GWH09QB-K6DNC2E GWH09QB-K6DNC2E CB435009602/CB435009603 CB425012500 CB456006401 Product Code CB435009600 CB425012501 CB439013300 CB439013301 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2700 2700 Heating Capacity 2800 2800 Cooling Power Input Heating Power Input...
  • Page 22 Service Manual Model of Outdoor Unit GWH09QB-K6DNA1E/O GWH09QB-K6DNA1E/O Product Code of Outdoor Unit CB419W15801 CB419W15800 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO., LTD CO., LTD Compressor Model QXF-A079zE190A QXF-A079zE190A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L.R.A. Compressor RLA Compressor Power Input Overload Protector...
  • Page 23 Service Manual GWH24QD-K6DND8A Model GWH24QD-K6DNB6A GWH24QD-K6DNE4A CB459005301 Product Code CB435010601 CB470002502 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 6155 Heating Capacity 6448 Cooling Power Input 1760 Heating Power Input 1860 Cooling Power Current Heating Power Current Rated Input 2600...
  • Page 24 Service Manual Model of Outdoor Unit GWH24AAD-K6DNA1A/O Product Code of Outdoor Unit CB476W00100 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141ZF030A Compressor Oil 68DA Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input 1410 Overload Protector 1NT11L-6233/KSD115 C/HPC 115/95 Throttling Method Electron expansion valve Operation Temp...
  • Page 25 Service Manual Model GWH09QB-K6DNA5X GWH09QB-K6DNB4Y Product Code CB425015200 CB434017500 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2700 2600 2800 2800 Heating Capacity Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1500...
  • Page 26 Service Manual Outdoor Unit Model GWH09QB-K6DNA5X/O GWH09QB-K6DNB4Y/O Outdoor Unit Product Code CB425W15200 CB434W17500 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO.,LTD CO., LTD Compressor Model QXF-A079zE190A QXF-B096zE190A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary Compressor LRA. 20.00 Compressor RLA 4.21 Compressor Power Input 1NT11L-6233 HPC115/95U1...
  • Page 27 Service Manual 2.2 Operation Characteristic Curve 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) 2.3 Capacity Variation Ratio According to Temperature...
  • Page 28 Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe Rated cooling Compressor connecting indoor and temperature of heat Fan speed of Fan speed of condition(°C) (DB/WB) Model revolution outdoor unit exchanger indoor unit outdoor unit...
  • Page 29 Service Manual 18/24K Indoor side noise when blowing Outdoor side noise when blowing Super High Middle High Compressor frequency(Hz) Indoor fan motor rotating speed Technical Information...
  • Page 30 Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 123.5 179.5 168.5 159.5 Φ55 Φ55 Φ55 Φ55 124.7 83.2 18/24K Φ55 Φ55 Unit:mm Unit:mm Model 09K/12K(QB) 12K(QC) 18/24K Technical Information...
  • Page 31 Service Manual 3.2 Outdoor Unit GWH09QB-K6DNA1C/O Unit:mm GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O GWH09QB-K6DNB4Y/O GWH09QB-K6DNA5X/O Unit:mm Technical Information...
  • Page 32 Service Manual GWH12QC-K6DNA1C/O GWH18AAD-K6DNA1B/O GWH12QB-K6DNB8I/O Unit:mm GWH18QD-K6DNA1C/O Unit:mm Technical Information...
  • Page 33 Service Manual GWH24AAD-K6DNA1A/O Unit:mm Technical Information...
  • Page 34 Service Manual 4. Refrigerant System Diagram All models except GWH18QD-K6DNC8C GWH24QD-K6DND8A GWH24QD-K6DNB6A Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary Strainer COOLING HEATING...
  • Page 35 Service Manual 5. Electrical Part 5.1 Wiring Diagram 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. GWH12QC-K6DNB6C/I(CB435N07300) GWH09QB-K6DNB6C/I( CB435N07500 ) GWH09QB-K6DNB8I/I( CB438N07400 ) GWH12QC-K6DNE4C/I(CB470N02100) GWH09QB-K6DNB2C/I(CB432N12500) GWH09QB-K6DNE4C/I(CB470N02000) GWH09QB-K6DNB4C/I(CB434N11300）GWH09QB-K6DNE6C/I(CB465N00600) GWH09QB-K6DND4C/I(CB464N00300)
  • Page 36 Service Manual GWH09QB-K6DNE6C/I(CB465N00601) GWH09QB-K6DND4C/I(CB464N00302) GWH09QB-K6DND6C/I( CB460N03002) GWH09QB-K6DNB2C/I(CB432N12501) GWH12QC-K6DNB2C/I(CB432N14801) GWH09QB-K6DNB8I/I(CB438N07401) GWH09QB-K6DND6I/I(CB460N05601) GWH09QB-K6DNE4I/I(CB470N02201) GWH09QB-K6DNC2C/I(CB439N09201) GWH12QC-K6DNC2C/I(CB439N09403) GWH09QB-K6DNB4I/I(CB434N11501）GWH09QB-K6DNB4C/I(CB434N11301） GWH12QC-K6DNB4C/I(CB434N12001）GWH09QB-K6DNC2I/I(CB439N12601) GWH09QB-K6DNA5I/I(CB425N11701) GWH09QB-K6DNA2I/I(CB426N06601) GWH12QC-K6DNE2C/I(CB462N01800) GWH09QB-K6DNC6I/I(CB443N05201) GWH09QB-K6DNB6I/I(CB435N10300) GWH09QB-K6DND8I/I(CB459N05001) GWH12QB-K6DNB6I/I(CB435N10401) GWH18QD-K6DNB6B/I(CB435N10501) GWH24QD-K6DNB6A/I(CB435N10601) GWH09QB-K6DNB6E/I(CB435N09602) GWH09QB-K6DNC8I/I(CB456N06101) GWH09QB-K6DNA6I/I(CB427N10201) GWH18QD-K6DNE4B/I(CB470N02402) GWH24QD-K6DNE4A/I(CB470N02502) GWH12QB-K6DNB4I/I(CB434N10603) GWH18QD-K6DNC8B/I(CB456N06002) GWH09QB-K6DNC8E/I(CB456N06400) GWH12QB-K6DNC8I/I(CB456N06202) GWH09QB-K6DNC4I/I(CB444N07401) GWH12QB-K6DNB2I/I(CB432N12301) GWH09QB-K6DNB2I/I(CB432N22500) GWH09QB-K6DNC2E/I(CB439N13301) GWH12QB-K6DNC2I/I(CB439N12702) 60000700068806 GWH09QB-K6DNC2C/I(CB439N09200) 600007001057 Technical Information...
  • Page 37 Service Manual GWH18QD-K6DNA5B/I(CB425N11901) GWH18QD-K6DNB4B/I(CB434N11201) GWH18QD-K6DND8B/I(CB459N05201) GWH24QD-K6DND8A/I(CB459N05301) GWH18QD-K6DNC8B/I(CB456N06001) 60000700068811 GWH18QD-K6DNB4B/I(CB434N11200) GWH18QD-K6DNA1B/I(CB419N15200) GWH18QD-K6DND6B/I(CB460N05301) GWH18QD-K6DNA5B/I(CB425N11900) GWH18QD-K6DND8B/I(CB459N05200) 60000700068802 Technical Information...
  • Page 38 Service Manual GWH12QB-K6DNE4I/I(CB470N02301) GWH12QB-K6DNC2I/I(CB439N12701) GWH12QB-K6DNB6I/I(CB435N10400) GWH12QB-K6DND8I/I(CB459N05101) 6363222004 GWH12QB-K6DNC4I/I(CB444N07500) GWH12QB-K6DNC2I/I(CB439N12700) GWH12QB-K6DNA6I/I(CB427N10300) 6363222005 Technical Information...
  • Page 39 Service Manual GWH09QB-K6DNA5E/I GWH09QB-K6DNB6E/I(CB435N09600) GWH09QB-K6DNC2E/I GWH09QB-K6DNA5X/I(CB425N15200) 60000700068804 Technical Information...
  • Page 40 Service Manual GWH09QB-K6DNA1C/O(CB419W11900/CB419W11902) GWH09QB-K6DNB8I/O(CB438W07400) GWH09QB-K6DNA1E/O(CB419W15801) GWH09QB-K6DNB4Y/O(CB434W17500) GWH09QB-K6DNA5X/O(CB425W15200) 600007000687 GWH12QC-K6DNA1C/O(CB419W12301) 60000700076301 Technical Information...
  • Page 41 Service Manual GWH09QB-K6DNA1C/O(CB419W11901) 60000700068701 GWH12QC-K6DNA1C/O(CB419W12300) 600007001151 Technical Information...
  • Page 42 Service Manual GWH12QB-K6DNB8I/O（CB438W06800） 60000700076302 GWH18QD-K6DNA1C/O(CB419W12500) GWH24AAD-K6DNA1A/O(CB476W00100) 63610000218 Technical Information...
  • Page 43 Service Manual GWH18AAD-K6DNA1B/O(CB476W00600) 600007000884 GWH09QB-K6DNA1E/O(CB419W15800) 60000700068702 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...
  • Page 44 Service Manual 5.2 PCB Printed Diagram Indoor Unit All models except:GWH12QB-K6DNC4I/I(CB444N07500) GWH12QB-K6DNE4I/I(CB470N02300/CB470N02301) GWH09QB-K6DNB6E/I(CB435N09600/CB435N09602/CB435N09603) GWH12QB-K6DNA6I/I(CB427N10300) GWH09QB-K6DNC8E/I(CB456N06400) GWH09QB-K6DNA5E/I(CB425N12500) GWH09QB-K6DNC2E/I(CB439N13300) GWH12QB-K6DNC2I/I(CB439N12700/CB439N12701) GWH12QB-K6DNB6I/I(CB435N10400) ● Top view Name 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 Interface of health function live wire...
  • Page 45 Service Manual GWH12QB-K6DNC4I/I(CB444N07500) GWH12QB-K6DNE4I/I(CB470N02300/CB470N02301) GWH12QB-K6DNA6I/I(CB427N10300) GWH12QB-K6DNC2I/I(CB439N12700/CB439N12701) GWH12QB-K6DNB6I/I(CB435N10400) Top view Name Interface of health function neutral wire Interface of health function live wire (Applicable for some models) Interface of PG motor Interface of neutral wire (Applicable for some models) Terminal of Temperature Sensor 6 Up and down swing terminal 7 Feedback interface of indoor fan 8 WIFI...
  • Page 46 Service Manual GWH09QB-K6DNB6E/I(CB435N09600/CB435N09602/CB435N09603) GWH09QB-K6DNC8E/I(CB456N06400) GWH09QB-K6DNA5E/I(CB425N12500) GWH09QB-K6DNC2E/I(CB439N13300) ● Top view Name Interface of live wire Fuse Interface of neutral wire Interface of fan Auto button Up&down swing interface Interface of PG feedback Interface of dry contact (only for the mode with this function) Interface of wifi Needle stand for tube temperature sensor...
  • Page 47 Service Manual Outdoor Unit 09/12/18K All models is except:GWH12QB-K6DNB8I/O GWH18QD-K6DNA1C/O ● Top view Name 1 Interface of compressor wire 2 Reactor 2 3 Reactor 1 Chassis electric heating (only for the mode with this function) 4-way valve Overload interface of compressor 7 Terminal of outdoor fan 8 Grounding wire 9 Communication wire...
  • Page 48 Service Manual GWH12QB-K6DNB8I/O ● Top view Name Interface of compressor wire Interface of reactor Terminal of outdoor fan Interface of 4-way valve Interface of temperature sensor Grounding wire Live wire Neutral wire Communication wire 10 Overload interface of compressor ● Bottom view Technical Information...
  • Page 49 Service Manual GWH18QD-K6DNA1C/O ● 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 Earthing wire Power supply neutral wire 8 Terminal of indoor unit and outdoor unit communication Power supply live wire Interface of compressor wire...
  • Page 50 Service Manual GWH24AAD-K6DNA1A/O ● Top view Name Compressor wiring terminal for U V W 2 Terminal of power supply neutral wire Compressor overload protection terminal 4 Interface of temperature sensor 5 Terminal of electronic expansion valve Terminal of power supply earthing wire Terminal of outdoor fan 8 4-way valve terminal Interface of communication wire for indoor...
  • Page 51 Service Manual 6. Function and Control 6.1 Remote Controller Introduction of YAN1F6(WIFI) Buttons on remote controller ON/OFF button MODE button FAN button SWING button TURBO button SLEEP button TEMP button WiFi button LIGHT button CLOCK button TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed...
  • Page 52 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Press this button to select your required operation mode. AUTO COOL HEAT will not be displayed as well. Press "FAN" button can adjust fan speed. Press "SWING" button can adjust fan blowing angle. "...
  • Page 53 Service Manual button " button once increase or decrease set temperature 1 " button, 2s later, set temperature on remote buttons) 7. SLEEP button Under COOL, HEAT or DRY mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this button again to cancel sleep function and "...
  • Page 54 Service Manual Note: according to setting time. ON/OFF button has no effect on setting. If you dont need this function, please use remote controller to cancel it. Health function Health function will be set during operation of indoor fan. Turn off the unit will also turn off health function. This function is only available for some models.
  • Page 55 Service Manual Replacement of batteries in remote controller signal sender battery 1. Press the back side of remote controller marked with " out the cover of battery box along the arrow direction. 2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar reinstall are correct.
  • Page 56 Service Manual 6.2 Remote Controller Introduction of YAW1F5(WiFi) Buttons on Remote Controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button I Feel button Timer button WiFi button WiFi Light button Icon Display on Remote Controller Temp.
  • Page 57 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as the following: * Note: Only for models with heating function.
  • Page 58 Service Manual 11. WIFI button Press " WiFi " button to turn on or turn off WiFi function. When WiFi function is turned on, the " WiFi " icon will be displayed on remote controller; Under status of unit off, press "MODE" and " WiFi " buttons simultaneously for 1s, WiFi module will restore to factory defaultset- ting.
  • Page 59 Service Manual 6.3 Remote Controller Introduction of YAP1FB2(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 WiFi Icon Display on Remote Controller Set fan speed fan speed.
  • Page 60 Service Manual MODE button Press this button to select your required operation mode. AUTO COOL HEAT ● When selecting auto mode, air conditioner will operate automatically accordin to the sensed temperature. Set temperature can’t be adjusted and will not be displayed as well.
  • Page 61 Service Manual no display Note: (stops at current position) ● Press this button continuously more than 2s, the main unit will swing back an 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. , if press this button again 2s later, status ●...
  • Page 62 Service Manual 10.CLOCK button Press this button to set clock time. " " icon on remote controller will blink. Press "▲" or " " button within 5s to set clock tim e. Each pressing of "▲" or " " button, clock time will increase or decrease 1 minute. If hold "▲" or " "...
  • Page 63 Service Manual Function introduction for combination buttons Energy-saving function Under cooling mode, press "TEMP" and " CLOCK" buttons simultaneously to start up or turn off energy-saving function. When energy-saving function is started up, "SE" will be shown on remote controller, and air conditioner will adjust the set temperature automatically according to ex-factory setting to reach to the best energy-saving effect.
  • Page 64 Service Manual Note: ● . t i ● between them. ● y l i fl or wireless telephone; remote controller should be close to indoor unit during operation. ● Replace new batteries of the same model when replacement is required. Technical Information...
  • Page 65 Service Manual 6.4 Remote Controller Introduction of 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 Set fan speed I feel...
  • Page 66 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 67 Service Manual ● The 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 68 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 69 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: ●...
  • Page 70 Service Manual Technical Information...
  • Page 71 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 72 Service Manual 6.6 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 iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version Download and installation App Download Linkage...
  • Page 73 Service Manual 6.7 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 74 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 75 Service Manual Outdoor Unit 1. Cooling mode: Working condition and process of cooling mode: Indoor fan operates according to set fan speed. , compressor stops operation and outdoor fan will stop 30s later. Indoor fan operates according to set fan speed. When Tpreset-2 Tindoor ambient temperature Tpreset, unit operates according to the previous status.
  • Page 76 Service Manual 7. Auto mode 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 77 Service Manual Part : 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 78 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 Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
  • Page 79 Service Manual Safety Operation of Flammable Refrigerant Installation notes operating heater). The minimum room area is shown on the nameplate or following table a. table a - Minimum room area(m Charge amount (kg) ≤1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.1 2.2 2.3 2.4 2.5 floor location 4 14.5 16.8 19.3 22 24.8 27.8 31 34.3 37.8 41.5 45.4 49.4 53.6...
  • Page 80 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 81 Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Installation and Maintenance...
  • Page 82 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 83 Service Manual 8.2 Installation Parts-checking 8.4 Requirements for electric connection 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 Connection pipe power supply circuit and air switch.
  • Page 84 Service Manual 8.5 Installation of Indoor Unit 4. Outlet pipe (1) The pipe can be led out in the direction of right, rear right, 1. Choosing Installation Iocation left or rear left.(As show in Fig.3) Recommend the installation location to the client and then (2) When selecting leading out the pipe from left or right, please cut off the corresponding hole on the bottom case.(As show in 2.
  • Page 85 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 Fig.8...
  • Page 86 Service Manual 4. Connect Indoor and Outdoor Pipes Indoor Outdoor 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 87 Service Manual 2. Leakage Detection The drain hos (1) With leakage detector: can't raise Check if there is leakage with leakage detector. upwards (2) With soap water: Wall If leakage detector is not available, please use soap water for leakage detection. Apply soap water at the suspected position and keep the soap water for more than 3min.
  • Page 88 Service Manual 9. Maintenance 9.1 Error Code List Note:All models is except 18K Display Method of Indoor Unit Indicator Display (during blinking, Dual-8 Malfunction ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator Possible reasons:...
  • Page 89 Service Manual Display Method of Indoor Unit Indicator Display (during Dual-8 Malfunction blinking, ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator 1. Loosening or bad contact of indoor ambient temp. sensor and Indoor During cooling and drying mainboard terminal.
  • Page 90 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Decrease Overload or temperature is too high; frequency due All loads operate normally, while operation frequency for Malfunction of electric expansion...
  • Page 91 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying...
  • Page 92 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator 1. Bad contact of DC motor feedback terminal. Internal 2.
  • Page 93 Service Manual Display Method of Indoor Unit Indicator Display (during Dual-8 Malfunction blinking, ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator During cooling and drying Malfunction Theres circuit malfunction on outdoor operation, the compressor will of complete units control panel AP1, please...
  • Page 94 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 incorrect operation; malfunction of compressor; malfunction of protection relay; malfunction of discharge sensor; outdoor temperature too high.
  • Page 95 Service Manual 9.2 Procedure of Troubleshooting Indoor unit (1) Malfunction of Temperature Sensor F1, F2 Main detection points: Malfunction diagnosis process: Start Is the wiring terminal between the temperature sensor and the controller Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip- over of the parts...
  • Page 96 Service Manual (2) Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: Malfunction diagnosis process: Start While power is off stir the blade with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Is malfunction...
  • Page 97 Service Manual (3) Malfunction of Protection of Jumper Cap C5 Main detection points: Malfunction diagnosis process: Start Appearance of the jumper cap Assemble the jumper cap with the same model Is malfunction eliminated Is the jumper cap inserted correctly Insert the jumper cap tightly Is malfunction eliminated...
  • Page 98 Service Manual (4) Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on The unit returns to normal. U8 is still Conclusion:U8 is displayed due to displayed power off/on while the capacitor discharges slowly.
  • Page 99 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 100 Service Manual Outdoor unit: (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: Fault diagnosis process: Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor...
  • Page 101 Service Manual (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 Troubleshooting: Turn on the unit after energization...
  • Page 102 Service Manual (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Fault diagnosis process: Overheat and high temperature protection Normal protection, please operate it after the outdoor ambient temp- Is outdoor ambient temperature higher than 53? erature is normalized.
  • Page 103 Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail? Connect the wires as Are the wires for the compressor connected per the connection...
  • Page 104 Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on. Check if the fan terminal Is stop time of the Is the outdoor fan working...
  • Page 105 Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve wires correctly connected correctly? Resistances between the first four pins...
  • Page 106 Service Manual (7) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: Fault diagnosis process: Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor...
  • Page 107 Service Manual (8) Malfunction of Overcurrent Protection Main detection points: Malfunction diagnosis process: Start Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate eliminated Is the supply voltage too low Adjust the supply voltage to maintain it Is malfunction within normal range eliminated...
  • Page 108 Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting No power supply, or poor After energization, operation indicator isnt bright wait for power recovery. If not, check power connection for power plug supply circuit and make sure the power plug is connected well.
  • Page 109 Service Manual 4. ODU Fan Motor Can't 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 Measure the capacity of fan capacitor with an...
  • Page 110 Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit 09K/12K The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 111 Service Manual Part Code Description GWH09QB-K6DNA1C/I GWH09QB-K6DNB6C/I GWH12QC-K6DNA1C/I Product Code CB419N11900 CB435N07500 CB419N12300 Front Panel 20022479S 20000300050T 20022475S Display Board 30565231 30565281 30565231 Front Case Assy 20022495 00000200040 20022489 Helicoid Tongue 26112508 26112508 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 112 Service Manual Part Code Description GWH09QB-K6DNA3C/I GWH12QC-K6DNA3C/I GWH12QC-K6DNB6C/I Product Code CB424N04900 CB424N05200 CB435N07300 Front Panel 2002269701S 2002269301S 20000300049T Display Board 30565263 30565263 30565281 Front Case Assy 00000200119 00000200109 00000200045 Helicoid Tongue 26112508 26112436 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 00000100093...
  • Page 113 Service Manual Part Code Description GWH09QB-K6DND4C/I GWH09QB-K6DNE6C/I GWH09QB-K6DNB8I/I Product Code CB464N00300 CB465N00600 CB438N07400 Front Panel 200003000075T 200003000044S 20000300073T Display Board 300001000081 300001000035 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 114 Service Manual Part Code Description GWH12QC-K6DNE6C/I GWH12QC-K6DND4C/I GWH12QC-K6DND6C/I Product Code CB465N00500 CB464N00200 CB460N03500 Front Panel 20000300068S 200003000069T 200003000029S Display Board 300001000035 300001000081 300001000041 Front Case Assy 00000200045 00000200045 00000200045 Helicoid Tongue 26112436 26112436 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 00000100093 00000100093...
  • Page 115 Service Manual Part Code Description GWH09QB-K6DND6C/I GWH09QB-K6DNC2C/I GWH09QB-K6DNB4I/I Product Code CB460N03000 CB439N09200 CB434N11500 Front Panel 20000300068S 200003000044 20000300026 Display Board 300001000041 300001000035 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 116 Service Manual Part Code Description GWH09QB-K6DNC8C/I GWH12QC-K6DNC8C/I GWH12QC-K6DNB4C/I Product Code CB456N03500 CB456N03200 CB434N12000 Front Panel 20000300155T 20000300154T 20000300027T Display Board 30565281 30565281 30565260 Front Case Assy 00000200040 00000200045 00000200045 Helicoid Tongue 26112508 26112436 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 00000100093...
  • Page 117 Service Manual Part Code Description GWH09QB-K6DND4C/I GWH09QB-K6DNE6C/I GWH12QC-K6DNB2C/I Product Code CB464N00302 CB465N00601 CB432N14800 Front Panel 200003000075T 200003000044S 20000300018 Display Board 300001000081 300001000035 30565260 Front Case Assy 00000200040 00000200040 00000200045 Helicoid Tongue 26112508 26112508 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 118 Service Manual Part Code Description GWH12QC-K6DNE4C/I GWH09QB-K6DNB2C/I GWH09QB-K6DNC4C/I Product Code CB470N02100 CB432N12500 CB444N09200 Front Panel 200003000067T 20000300019S 20000300105S Display Board 300001000081 30565260 30565260 Front Case Assy 00000200045 00000200040 00000200040 Helicoid Tongue 26112436 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 00000100093 20162010...
  • Page 119 Service Manual Part Code Description GWH09QB-K6DNE4C/I GWH09QB-K6DNB4C/I GWH09QB-K6DND6I/I Product Code CB470N02000 CB434N11300 CB460N05600 Front Panel 200003000065S 20000300026T 200003000028S Display Board 300001000081 30565260 300001000041 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 120 Service Manual Part Code Description GWH09QB-K6DNC4I/I GWH09QB-K6DNE4I/I GWH09QB-K6DNA5I/I Product Code CB444N07400 CB470N02200 CB425N11700 Front Panel 20000300105S 200003000065T 00000300036 Display Board 30565260 300001000081 30565260 Front Case Assy 00000200040 00000200040 2002249501 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 121 Service Manual Part Code Description GWH12QB-K6DNC4I/I GWH12QB-K6DNE4I/I GWH12QC-K6DNC4C/I Product Code CB444N07500 CB470N02300 CB444N09300 Front Panel 20000300105S 200003000065T 20000300098S Display Board 30565260 300001000081 30565260 Front Case Assy 00000200040 00000200040 00000200045 Helicoid Tongue 26112508 26112508 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 122 Service Manual Part Code Description GWH09QB-K6DND6C/I GWH09QB-K6DNA1I/I GWH12QC-K6DNB6C/I Product Code CB460N03002 CB419N15100 CB435N07300 Front Panel 200003000028S 20022479S 20000300049T Display Board 300001000041 30565263 30565281 Front Case Assy 00000200040 00000200128 00000200045 Helicoid Tongue 26112508 26112508 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 123 Service Manual Part Code Description GWH09QB-K6DNB2C/I GWH12QC-K6DNB2C/I GWH09QB-K6DNA3I/I Product Code CB432N12501 CB432N14801 CB424N06800 Front Panel 20000300019S 20000300018 2002269701S Display Board 30565260 30565260 300001060081 Front Case Assy 00000200040 00000200045 2002278101 Helicoid Tongue 26112508 26112436 2611250801 Left Axile Bush 10512037 10512037 1051203702 Rear Case assy 20162010 00000100093...
  • Page 124 Service Manual Part Code Description GWH09QB-K6DNB8I/I GWH09QB-K6DND6I/I GWH09QB-K6DNE4I/I Product Code CB438N07401 CB460N05601 CB470N02201 Front Panel 20000300073T 200003000028S 200003000065T Display Board 30565260 300001000041 300001000081 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 125 Service Manual Part Code Description GWH09QB-K6DNC2C/I GWH12QB-K6DNE4I/I GWH12QC-K6DNC2C/I Product Code CB439N09201 CB470N02301 CB439N09403 Front Panel 20000300068S 200003000065T 20000300069S Display Board 30565281 300001000081 30565281 Front Case Assy 00000200040 00000200040 00000200045 Helicoid Tongue 26112508 26112508 26112436 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 126 Service Manual Part Code Description GWH09QB-K6DNC6I/I GWH12QB-K6DNC2I/I GWH12QB-K6DNC2I/I Product Code CB443N05200 CB439N12700 CB439N12701 Front Panel 20000300101T 20000300068S 20000300068S Display Board 30565260 30565281 30565281 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 127 Service Manual Part Code Description GWH09QB-K6DNC2I/I GWH09QB-K6DNC8I/I GWH09QB-K6DNB4I/I Product Code CB439N12600 CB456N06100 CB434N11501 Front Panel 20000300068S 20000300155T 20000300026T Display Board 30565281 30565281 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 128 Service Manual Part Code Description GWH09QB-K6DNB4C/I GWH12QC-K6DNB4C/I GWH09QB-K6DNC2I/I Product Code CB434N11301 CB434N12001 CB439N12601 Front Panel 20000300026T 20000300027T 20000300068S Display Board 30565260 30565260 30565281 Front Case Assy 00000200040 00000200045 00000200040 Helicoid Tongue 26112508 26112436 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 00000100093...
  • Page 129 Service Manual Part Code Description GWH09QB-K6DNA2I/I GWH09QB-K6DNA6I/I GWH12QB-K6DNA6I/I Product Code CB426N06600 CB427N10200 CB427N10300 Front Panel 20022719 2002269601S 2002269601S Display Board 300001060082 300001060082 300001060082 Front Case Assy 2002273001 2002273001 2002273001 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 130 Service Manual Part Code Description GWH09QB-K6DND8I/I GWH09QB-K6DNC6I/I GWH09QB-K6DNA5I/I Product Code CB459N05000 CB443N05201 CB425N11701 Front Panel 200003000010S 20000300101T 2002267001 Display Board 300001000035 30565260 30565260 Front Case Assy 00000200040 00000200040 2002249501 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 131 Service Manual Part Code Description GWH09QB-K6DNA2I/I GWH12QC-K6DNE2C/I GWH09QB-K6DND8I/I Product Code CB426N06601 CB462N01800 CB459N05001 Front Panel 20022719 000003000059 200003000010S Display Board 300001060082 3056504301 300001000035 Front Case Assy 2002273001 00000200045 00000200040 Helicoid Tongue 26112508 26112436 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 00000100093...
  • Page 132 Service Manual Part Code Description GWH09QB-K6DNB6I/I GWH12QB-K6DNB6I/I GWH09QB-K6DNA3I/I Product Code CB435N10300 CB435N10400 CB424N06801 Front Panel 20000300050 20000300050 2002269701 Display Board 30565281 30565281 30565281 Front Case Assy 00000200040 00000200040 00000200119 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 133 Service Manual Part Code Description GWH12QB-K6DND8I/I GWH12QB-K6DNB4I/I GWH09QB-K6DNC8I/I Product Code CB459N05101 CB434N10602 CB456N06101 Front Panel 200003000010S 20000300026T 20000300155 Display Board 300001000035 30565260 30565281 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 134 Service Manual Part Code Description GWH09QB-K6DNB6E/I GWH12QB-K6DNB6I/I GWH09QB-K6DNA6I/I Product Code CB435N09602 CB435N10401 CB427N10201 Front Panel 20000300050 20000300050 2002269601 Display Board 30565281 30565281 300001060082 Front Case Assy 00000200040 00000200040 2002273001 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 135 Service Manual Part Code Description GWH12QB-K6DNB4I/I GWH09QB-K6DNB6E/I GWH12QB-K6DNA1I/I Product Code CB434N10603 CB435N09603 CB419N15001 Front Panel 20000300050 20000300050S 20022479 Display Board 30565260 30565281 30565231 Front Case Assy 00000200040 00000200040 20022495 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 136 Service Manual Part Code Description GWH09QB-K6DNC8E/I GWH12QB-K6DNC8I/I GWH09QB-K6DNA5E/I Product Code CB456N06400 CB456N06202 CB425N12500 Front Panel 20000300155 20000300155 2002267001 Display Board 30565281 30565281 30565260 Front Case Assy 00000200040 00000200040 2002249501 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 137 Service Manual Part Code Description GWH09QB-K6DNB6E/I GWH09QB-K6DNC2E/I GWH09QB-K6DNC4I/I Product Code CB435N09600 CB439N13300 CB444N07401 Front Panel 20000300050 20000300068 20000300105S Display Board 30565281 30565281 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20022682 20022682...
  • Page 138 Service Manual Part Code Description GWH09QB-K6DNB2I/I GWH12QB-K6DNB2I/I Product Code CB432N22500 CB432N12301 Front Panel 20000300019S 20000300019S Display Board 30565260 30565260 Front Case Assy 00000200040 00000200040 Helicoid Tongue 26112508 26112508 Left Axile Bush 10512037 10512037 Rear Case assy 20162010 20162010 Drainage Hose 0523001408 0523001408 Ring of Bearing...
  • Page 139 Service Manual Part Code Description GWH12QB-K6DNC2I/I GWH09QB-K6DNC2E/I GWH12QB-K6DNA1I/I Product Code CB439N12702 CB439N13301 CB419N15002 Front Panel 20000300068S 20000300068S 20022479S Display Board 30565281 30565281 300001060081 Front Case Assy 00000200040 00000200040 00000200128 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 140 Service Manual Part Code Description GWH09QB-K6DNB4Y/I GWH09QB-K6DNB2I/I GWH12QB-K6DNB2I/I Product Code CB434N17500 CB432N22501 CB432N12302 Front Panel 20000300026T 20000300019S 20000300019S Display Board 30565260 30565260 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010 20162010...
  • Page 141 Service Manual 09K for some model The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 142 Service Manual Part Code Description GWH09QB-K6DNA5X/I Product Code CB425N15200 Front Panel 2002267001 Display Board 30565260 Front Case Assy 2002249501 Guide Louver 1051272202 Air Louver (left) 10512720 Swing Lever 10582460 Helicoid Tongue 26112508 Rear Case assy 20022682 Drainage Hose 0523001408 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051...
  • Page 143 Service Manual 18/24K The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 144 Service Manual Part Code Description GWH18QD-K6DNC8C/I GWH18QD-K6DNB4B/I GWH18QD-K6DND8B/I Product Code CB456N03400 CB434N11200 CB459N05200 Decorative Strip 23000500002401P Front Panel 20000300153T 20000300028 200003000015S Display Board 30565278 30565260 300001000036 Filter Sub-Assy 11122089 11122089 1112208906 Decorative Board (Left) 20192662 20192662 20192662 Front Case 2002248401 2002248401 2002248401 Guide Louver...
  • Page 145 Service Manual Part Code Description GWH18QD-K6DNA1B/I GWH18QD-K6DND6B/I GWH18QD-K6DNA5B/I Product Code CB419N15200 CB460N05301 CB425N11901 Decorative Strip 20192613 Front Panel 20022481S 200003000027S 2002266901S01 Display Board 30565262 300001000042 30565260 Filter Sub-Assy 11122089 1112208906 1112208906 Decorative Board (Left) 2019269303 20192662 2019261201 Front Case 20022484 2002248401 2002248401 Guide Louver...
  • Page 146 Service Manual Part Code Description GWH18QD-K6DNA5B/I GWH18QD-K6DNB4B/I GWH18QD-K6DNB6B/I Product Code CB425N11900 CB434N11201 CB435N10501 Decorative Strip Front Panel 2002266901S01 20000300028T 20000300040 Display Board 30565260 30565260 30565278 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 2019261201 20192662 20192662 Front Case 2002248401 2002248401 2002248401 Guide Louver 1051273402...
  • Page 147 Service Manual Part Code Description GWH18QD-K6DND8B/I GWH24QD-K6DND8A/I GWH24QD-K6DNB6A/I Product Code CB459N05201 CB459N05301 CB435N10601 Decorative Strip 23000500002401P 23000500002401P Front Panel 200003000015S 200003000015S 20000300040 Display Board 300001000036 300001000036 30565278 Filter Sub-Assy 1112208906 1112208906 1112208906 Decorative Board (Left) 20192662 20192662 20192662 Front Case 2002248401 2002248401 2002248401...
  • Page 148 Service Manual Part Code Description GWH18QD-K6DNE4B/I GWH18QD-K6DNC8B/I GWH24QD-K6DNE4A/I Product Code CB470N02402 CB456N06001 CB456N06002 CB470N02502 Decorative Strip Front Panel 200003000064 20000300153 20000300153 200003000064 Display Board 300001000081 30565278 30565278 300001000081 Filter Sub-Assy 1112208906 1112208906 1112208906 1112208906 Decorative Board (Left) 2019266202 2019266202 20192662 2019266202 Front Case 2002248403...
  • Page 149 Service Manual 10.2 Outdoor Unit GWH09QB-K6DNA1C/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 150 Service Manual Part Code Description GWH09QB-K6DNA1C/O Product Code CB419W11900 CB419W11901 CB419W11902 Electric Box Assy 100002001193 100002001207 100002002657 Electric Box 20113034 20113034 20113034 Main Board 300027000249 300027000250 300027000249 Reactor 43130184 43130184 43130184 Terminal Board 42010313 42010313 42010313 Wire Clamp 71010103 71010103 71010103 Front Grill 22413043...
  • Page 151 Service Manual GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O GWH09QB-K6DNB4Y/O GWH09QB-K6DNA5X/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 152 Service Manual Part Code Description GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O GWH09QB-K6DNB4Y/O Product Code CB438W07400 CB419W15801 CB434W17500 Electric Box Assy 100002001193 100002061410 100002001193 Electric Box 20113034 20113034 20113034 Main Board 300027000249 300027060177 300027000249 Reactor 43130184 43130184 43130184 Terminal Board 42010313 422000060016 422000060016 Wire Clamp 71010103 71010103 71010103...
  • Page 153 Service Manual Part Code Description GWH09QB-K6DNA5X/O Product Code CB425W15200 Electric Box Assy 100002061410 Electric Box 20113034 Main Board 300027060177 Reactor 43130184 Terminal Board 422000060016 Wire Clamp 71010103 Front Grill 22413049 Front Panel 01533034P Axial Flow Fan 10333004 Chassis Sub-assy 017000060102 Brushless DC Motor 1501308511 Top Cover Sub-Assy...
  • Page 154 Service Manual GWH12QC-K6DNA1C/O GWH12QB-K6DNB8I/O GWH18AAD-K6DNA1B/O 21 22 23 24 25 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 155 Service Manual Part Code Description GWH12QC-K6DNA1C/O GWH18AAD-K6DNA1B/O Product Code CB419W12300 CB419W12301 CB476W00600 Left Side Plate 01303200P 01303200P 01303200P Fan Motor 1501308507 1501308507 1501308507 Motor Support 01703136 01703136 01703136 Condenser Assy 011002000359 011002000359 011002000529 Top Cover Sub-Assy 01253081 01253081 01253081 Rear Grill 01475014 01475014 01475014...
  • Page 156 Service Manual Part Code Description GWH12QB-K6DNB8I/O Product Code CB438W06800 Left Side Plate 01303200P Fan Motor 1501308507 Motor Support 01703136 Condenser Assy 011002000588 Top Cover Sub-Assy 000051060003 Rear Grill 01475014 Clapboard Sub-Assy 01233180 Compressor and Fittings 009001000175 Compressor Gasket 76710287 4-Way Valve Assy 030152000016 Big Handle 2623343106...
  • Page 157 Service Manual GWH18QD-K6DNA1C/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 158 Service Manual Part Code Description GWH18QD-K6DNA1C/O Product Code CB419W12500 Front Grill 22413046 Cabinet 01433034P Axial Flow Fan 10333014 Chassis Sub-assy 01205176P Drainage Joint 26113009 Compressor and Fittings 00103919G 4-Way Valve Assy 030152000146 Valve Support Sub-Assy 01713115P Cut off Valve Sub-Assy 030057000072 Cut off Valve Assy 07133774...
  • Page 159 Service Manual The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 160 Service Manual Part Code Description GWH24AAD-K6DNA1A/O Product Code CB476W00100 Front Grill 22415010 Front Panel 01535013P Drainage Connecter 06123401 Chassis Sub-assy 01700000161P01 Drainage Joint 06123401 Compressor and Fittings 00103919G Magnet Coil 4-Way Valve Assy 030152000073 Cut off Valve Assy 07133844 Cut off Valve Sub-Assy 07133843 Valve support assy 26113017...
  • Page 161 A1/B6/C2/C8/D4/D6/E6/ E4 display Screws Panel Front panel A1/B6/C2/C4 display: Screw off the 2 screws that are locking the display board. Separate the display board from the front panel. A2/A3 display: Screw off the 2 screws that are locking the display board.
  • Page 162 Service Manual Step Procedure Detecting plate(WIFI) Remove the screws fixing electric box cober2 and remove electric box2. 5. Remove front case sub-assy Screws Note: 1.Open the screw caps before removing the screws around the air outlet. 2.The quantity of screws fixing the front Front case case sub-assy is different for different Screw caps...
  • Page 163 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. Electric box Shield cover of electric box sub-assy Indoor tube temperature...
  • Page 164 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 terminals. connector soft sheath 2.Pull out the holder for some terminals at terminal), hold the connector and then pull the terminal.
  • Page 165 Service Manual Step Procedure Remove the screws fixing motor clamp Screws and then remove the motor clamp. Motor clamp 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 to remove them.
  • Page 166 Service Manual 18/24K Front panel Open the front panel. Push the left and thegroove on the front case. Then remove Left filter Front Right filter Groove case 2.Remove horizontal louver Push out the axile bush on horizontal louver, Bend the horizontal louver with hand and then separate the horizontal louver from the crank shaft of step motor to remove it.
  • Page 167 Service Manual 3.Remove electric box cover 2 and detecting plate WIFI 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...
  • Page 168 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 169 Service Manual Step Procedure Rotate the electric box assy. Twist offthe Screws screwsthat are locking the wire clip and loosen the power cord. Remove the wiring Power terminal of power cord. Lift up the main board and take it off. Instruction:Some wiring terminal of this Wire clip products is with lock catch and other...
  • Page 170 Service Manual Step Procedure Adjust the position of conncetion pipe on evaporator up wards to remove it. then remove the motor clamp. Remove the screws at the connection remove them. Remove the bearing holder sub-assy. then remove the step motor. Installation and Maintenance...
  • Page 171 Service Manual 11.2 Removal Procedure of Outdoor Unit GWH09QB-K6DNA1C/O Step Procedure 1.Remove big handle Before disassamble. big handle Remove 1 connection screw fixing big handleand then removethe big handle. 2. Remove top cover top cover Remove 3 connection screws among top cover plate, front panel and right sideplate.
  • Page 172 Service Manual Step Procedure 3.Remove 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 panel with the chassis and the motor support, and then remove the front panel.
  • Page 173 Service Manual Step Procedure 6.Remove electric box assy electric box subassembly Remove the 2 screws fixing the cover of elec- tric box. Lift to remove the cover. Loosen the wire and disconnect the terminal. Lift to re- move the electric box assy. 7.Remove 4-way valve assy 4-way valve assy...
  • Page 174 Service Manual Step Procedure 9.Remove motor and motor support motor support Remove the 4 tapping screws fixing the motor. Pull out the lead-out wire and remove the motor. Remove the 2 tapping screws fixing the motor support. Lift motor support to re- move it.
  • Page 175 Service Manual Step Procedure 11.Remove Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valve 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.
  • Page 176 Service Manual GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O Step Procedure 1. Remove big handle Right side plate 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. Screw Big handle 2.
  • Page 177 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 Installation and Maintenance...
  • Page 178 Service Manual Step Procedure 6. Remove protective grille and right side plate Protective Remove the screws 1 fixing protective grille grille and then remove the protective 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 179 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 180 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 Unsolder the welding spot connecting gas valveand air return pipe and remove the gas valve.(Note: it is necessary to warp the gas valve whenunsoldering the welding spot.)
  • Page 181 Service Manual GWH12QC-K6DNA1C/O GWH12QB-K6DNB8I/O GWH18AAD-K6DNA1B/O 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 182 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 183 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 184 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 valve with a wet cloth completely to avoid damage to the valve caused by high temperature.
  • Page 185 Service Manual Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. GWH18QD-K6DNA1C/O Step Procedure 1. Remove big handle Screw the big handle down wards to make the clasp Handle of big handle separate from the groove of right side plate, and then remove the big handle.
  • Page 186 Service Manual Step Procedure 4.Remove cabinet remove the cabinet. Cabinet Screw 5.Remove right side plate and rear grill Right side plate and then remove the right side plate. Screw Screw Remove the screws and then remove the grille. Screw Rear grill Screw Installation and Maintenance...
  • Page 187 Service Manual Step Procedure 6.Remove lef side plate and then remove the letf side plate. Left side plate Screw 8.Remove electric box assy Screw Electric box assy assy ; pull out each wiring terminal; lift the electric box assy upwards to remove it. Note: When pulling out the wiring terminal, pay attention to loose the clasp and dont pull...
  • Page 188 Service Manual Step Procedure 9.Remove motor remove the motor. Screw Motor 10.Remove motor support Motor support and then remove the motor support. Screw 11.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 .
  • Page 189 Service Manual Step Procedure 12.Remove compressor Remove 3 foot nuts on compressor, and then remove the compressor. Foot nuts Note: Protect the ports of discharge pipe and suction pipe to avoid foreign objects to enter it. Compressor 13.Remove clapboard Screw then remove the clapboard.
  • Page 190 Service Manual Procedure Step Condenser 15.Remove condenser then remove the condenser. Screw Installation and Maintenance...
  • Page 191 Service Manual Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 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.
  • Page 192 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 193 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 194 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 195 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 196 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 60.8 69/70 69.8 78/79 78.8 62/63...
  • Page 197 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 Pipe B:Remove the burrs Shaper Downwards C:Put on suitable insulating pipe Union pipe...
  • Page 198 Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( Temp( Temp( Temp( 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333...
  • Page 199 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( Temp( Temp( Temp( 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 4.289 1.233 129.9 19.14 4.14 1.198...
  • Page 200 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( Temp( Temp( Temp( 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 4.08 580.6 73.83 14.62 3.96 548.9 70.5...
  • Page 201 Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: Unit 2612,26/F.,Miramar Tower 132 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029 For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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