GREE ELECTRIC GWH09QB-K6DNA1C/I Service Manual
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GREE ELECTRIC GWH09QB-K6DNA1C/I Service Manual

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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for GREE ELECTRIC GWH09QB-K6DNA1C/I

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

  • Page 2: Table Of Contents

    Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................4 2.1 Specification Sheet ......................4 2.2 Operation Characteristic Curve ..................16 2.3 Capacity Variation Ratio According to Temperature ............16 2.4 Cooling and Heating Data Sheet in Rated Frequency ...........17 2.5 Noise Curve ........................17 3.
  • Page 3 Service Manual 9. Maintenance ......................66 9.1 Error Code List .......................66 9.2 Procedure of Troubleshooting ..................74 9.3 Troubleshooting for Normal Malfunction .................89 10. Exploded View and Parts List ..............91 10.1 Indoor Unit ........................91 10.2 Outdoor Unit ....................... 113 11. Removal Procedure ..................123 11.1 Removal Procedure of Indoor Unit ................123 11.2 Removal Procedure of Outdoor Unit ................133...

  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit GWH09QB-K6DNA3C/I GWH09QB-K6DNA1C/I GWH12QC-K6DNA1C/I GWH09QB-K6DNA3I/I GWH09QB-K6DNA1I/I GWH18QD-K6DNA1B/I GWH12QC-K6DNA3C/I GWH12QC-K6DNA1D/I GWH09QB-K6DNA1E/I GWH09QB-K6DND4C/I GWH09QB-K6DNE6C/I GWH12QC-K6DND4C/I GWH12QC-K6DNE6C/I GWH09QB-K6DNC2C/I GWH09QB-K6DND6C/I GWH09QB-K6DND6I/I GWH12QC-K6DNC2C/I GWH12QC-K6DND6C/I GWH18QD-K6DND6B/I GWH09QB-K6DNC8C/I GWH12QC-K6DNB6C/I GWH12QC-K6DNC8C/I GWH09QB-K6DNB6C/I GWH18QD-K6DNC8C/I GWH09QB-K6DNE4C/I GWH09QB-K6DNB8I/I GWH12QC-K6DNE4C/I GWH09QB-K6DNE4I/I GWH12QB-K6DNE4I/I...
  • Page 5 Service Manual GWH09QB-K6DNB2C/I GWH09QB-K6DNB4C/I GWH09QB-K6DNB4I/I GWH12QC-K6DNB2C/I GWH18QD-K6DNB4B/I GWH12QC-K6DNB4C/I GWH09QB-K6DNC4I/I GWH09QB-K6DNC4C/I GWH09QB-K6DNA5I/I GWH12QB-K6DNC4I/I GWH12QC-K6DNC4C/I GWH09QB-K6DNC4E/I GWH09QB-K6DNC6I/I Remote Controller YAN1F6(WiFi) YAC1FB9(WiFi) Outdoor Unit GWH09QB-K6DNA1C/O GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O GWH12QC-K6DNA1C/O GWH12QB-K6DNB8I/O GWH18QD-K6DNA1C/O GWH18AAD-K6DNA1B/O Technical Information...
  • Page 6 GWH09QB-K6DNA1C/O 11 GWH09QB-K6DNB2C CB432012502 GWH09QB-K6DNB2C/I CB432N12501 12 GWH09QB-K6DNB6C CB435007500 GWH09QB-K6DNB6C/I CB435N07500 13 GWH09QB-K6DNC2C CB439009201 GWH09QB-K6DNC2C/I CB439N09201 CB419011900 GWH09QB-K6DNA1C GWH09QB-K6DNA1C/I CB419N11900 CB419011901 16 GWH09QB-K6DNB6C CB435007501 GWH09QB-K6DNB6C/I CB435N07500 17 GWH09QB-K6DNB2C CB432012501 GWH09QB-K6DNB2C/I CB432N12500 CB419W11901 18 GWH09QB-K6DND6C CB460003001 GWH09QB-K6DND6C/I CB460N03000 19 GWH09QB-K6DNC4C CB444009201 GWH09QB-K6DNC4C/I CB444N09200...

  • Page 7: Specifications

    1500 Rated Current Air Flow Volume(SH/H/M//L/SL) 560/490/430/330/- Dehumidifying Volume 3.23 3.71 SEER SCOP(Average/Warmer/Colder) 4.0/5.1/3.2 Application Area 12-18 1.GWH09QB-K6DNA1C/I 2.GWH09QB-K6DNA3C/I 3.GWH09QB-K6DND4C/I 4.GWH09QB-K6DNE6C/I 5.GWH09QB-K6DND6C/I 6.GWH09QB-K6DNC8C/I Indoor Unit Model 7.GWH09QB-K6DNE4C/I 8.GWH09QB-K6DNB4C/I 9.GWH09QB-K6DND6C/I 10.GWH09QB-K6DNB2C/I 11.GWH09QB-K6DNB6C/I 12.GWH09QB-K6DNC2C/I 1.CB419N11900 2.CB424N04900 3.CB464N00300/CB464N00302 4.CB465N00600/CB465N00601 5.CB460N03000 6. CB456N03500 Indoor Unit Product Code 7.CB470N02000...
  • Page 8 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 9 Service Manual Parameter Unit Value 1.GWH09QB-K6DNB8I 2.GWH09QB-K6DNC4I 3.GWH09QB-K6DNE4I 4.GWH09QB-K6DNB4I GWH09QB-K6DNA1C(LCLH) 5.GWH09QB-K6DNA1I GWH09QB-K6DNB6C 6.GWH09QB-K6DND6I Model GWH09QB-K6DNB2C 7.GWH09QB-K6DNA5I GWH09QB-K6DND6C 8.GWH09QB-K6DNA3I GWH09QB-K6DNC4C 9.GWH09QB-K6DNB8I 10.GWH09QB-K6DND6I 11.GWH09QB-K6DNE4I 12.GWH09QB-K6DNC6I 1.CB438007400 2.CB444007400 CB419011901 3.CB470002200 4.CB434011500 CB435007501 5.CB419015100 6.CB460005600 Product Code CB432012501 7.CB425011700 8.CB424006800 CB460003001 9.CB438007401 10.CB460005601 CB444009201 11.CB470002201 12.CB443005200 Rated Voltage 220-240...
  • Page 10 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 11 Service Manual Parameter Unit Value 1.GWH12QC-K6DNA1C 2.GWH12QC-K6DND4C 3.GWH12QC-K6DNE6C 4.GWH12QC-K6DNC8C Model GWH12QC-K6DNA3C 5.GWH12QC-K6DNB2C 6.GWH12QC-K6DNB4C 7.GWH12QC-K6DNB6C 8.GWH12QC-K6DNC2C 1.CB419012300 2.CB464000200 3.CB465000500 4.CB456003200 Product Code CB424005200 5.CB432014802 6.CB434012000 7.CB435007300 8.CB439009403 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) 3500(800~3700) 3500(800~3700)
  • Page 12 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 13 Service Manual Parameter Unit Value GWH12QC-K6DNA1C(LCLH) GWH12QC-K6DNB6C GWH12QC-K6DNE4C Model GWH09QB-K6DNC2C GWH12QC-K6DND6C GWH12QC-K6DNB2C GWH12QC-K6DNC4C CB419012301 CB435007301 CB470002101 Product Code CB439009202 CB460003501 CB432014801 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 14 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 15 Service Manual Parameter Unit Value GWH18QD-K6DNB4B Model GWH18QD-K6DNC8C GWH18QD-K6DNA1B GWH18QD-K6DND6B CB434011200 Product Code CB456003400 CB419015200 CB460005301 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) 5200 Cooling Power Input(Min~Max) 1580(350~2100) 1430 Heating Power Input(Min~Max)
  • Page 16 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 17 Service Manual GWH12QB-K6DNC4I Model GWH12QB-K6DNE4I GWH09QB-K6DNC4E GWH12QB-K6DNE4I CB444007500 Product Code CB470002300 CB444009601 CB470002301 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) 3200 (600~3600) 2700(450~3500) Heating Capacity(Min~Max) 3500 (600~3800) 2800(450~4200) Cooling Power Input(Min~Max) 997 (120~1400) 820(90~1400) Heating Power Input(Min~Max)
  • Page 18 Service Manual Model of Outdoor Unit GWH12QB-K6DNB8I/O GWH09QB-K6DNA1E/O Product Code of Outdoor Unit CB438W06800 CB419W15801 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO., LTD CO., LTD Compressor Model QXF-B096zE190A QXF-A079zE190A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L.R.A. 20.0 Compressor RLA 4.21...

  • Page 19: 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 Condition Condition Indoor:DB 20°C Conditions Indoor:DB 27°C WB19°C Indoor air flow: Super High Indoor: DB20°C/WB15°C Indoor air flow: Super High 240V...

  • Page 20: Cooling And Heating Data Sheet In Rated Frequency

    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 21 Service Manual 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 22: Outline Dimension Diagram

    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 Φ55 Φ55 Model Unit:mm Technical Information...

  • Page 23: Outdoor Unit

    Service Manual 3.2 Outdoor Unit GWH09QB-K6DNA1C/O Unit:mm GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O Unit:mm Technical Information...
  • Page 24 Service Manual GWH12QC-K6DNA1C/O GWH18AAD-K6DNA1B/O GWH12QB-K6DNB8I/O Unit:mm GWH18QD-K6DNA1C/O Unit:mm Technical Information...

  • Page 25: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram All models except GWH18QD-K6DNC8C 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 Connection pipe specification: Liquid pipe:1/4"...

  • Page 26: Electrical Part

    Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit GWH12QC-K6DNB6C/I GWH09QB-K6DNB6C/I GWH09QB-K6DNB8I/I GWH12QC-K6DNE4C/I(CB470N02100) GWH09QB-K6DNB2C/I(CB432N12500) GWH09QB-K6DNE4C/I(CB470N02000) GWH09QB-K6DNB4C/I(CB434N11300） GWH09QB-K6DNE6C/I(CB465N00600) GWH09QB-K6DND4C/I(CB464N00300) GWH12QC-K6DND4C/I(CB464N00200) GWH09QB-K6DNA1C/I GWH12QC-K6DNA1C/I GWH09QB-K6DNA3C/I GWH12QC-K6DNA3C/I GWH09QB-K6DNC8C/I GWH12QC-K6DNC8C/I GWH12QC-K6DNE6C/I GWH09QB-K6DND6C/I GWH18QD-K6DNC8C/I GWH09QB-K6DNC4I/I GWH09QB-K6DNE4I/I GWH12QC-K6DND6C/I GWH09QB-K6DNB4I/I GWH12QC-K6DNB2C/I GWH09QB-K6DNA1I/I(CB419N15100) GWH12QC-K6DNB4C/I GWH09QB-K6DNC4C/I GWH09QB-K6DND6I/I...
  • Page 27 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) 60000700068806 GWH09QB-K6DNC2C/I 600007001057 Technical Information...
  • Page 28 Service Manual GWH12QB-K6DNC4I/I GWH12QB-K6DNC4I/I 6363222005 GWH18QD-K6DNB4B/I GWH18QD-K6DNA1B/I GWH18QD-K6DND6B/I 60000700068802 Technical Information...
  • Page 29 Service Manual GWH09QB-K6DNA1E/I 60000700068804 GWH12QB-K6DNE4I/I(CB470N02301) 6363222004 Technical Information...
  • Page 30 Service Manual GWH09QB-K6DNC4E/I 60000700068805 Technical Information...
  • Page 31 Service Manual ● Outdoor Unit GWH09QB-K6DNA1C/O(CB419W11900 CB419W11902) GWH09QB-K6DNB8I/O GWH09QB-K6DNA1E/O(CB419W15801) 600007000687 GWH12QC-K6DNA1C/O(CB419W12301) 60000700076301 Technical Information...
  • Page 32 Service Manual GWH09QB-K6DNA1C/O(CB419W11901) 60000700068701 GWH12QC-K6DNA1C/O(CB419W12300) 600007001151 Technical Information...
  • Page 33 Service Manual GWH12QB-K6DNB8I/O（CB438W06800） 60000700076302 GWH18QD-K6DNA1C/O(CB419W12500) 63610000218 Technical Information...
  • Page 34 Service Manual GWH18AAD-K6DNA1B/O 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 35: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit All models is except:GWH12QB-K6DNC4I/I GWH12QB-K6DNE4I/I GWH09QB-K6DNA1E/I GWH09QB-K6DNC4E/I Top view Name Neutral wire interface of cold plasma(only for the mode with this function) Neutral wire interface of power supply Interface of indoor fan Interface of health function live wire Interface of up&down swing...
  • Page 36 Service Manual GWH12QB-K6DNC4I/I GWH12QB-K6DNE4I/I ● Top view Name 1 Neutral wire 2 Neutral wire for health function 3 fan motor 4 Live wire for health 5 Auto button 6 Up and down swing terminal 7 Feedback interface of indoor fan 8 WIFI 9 Display 10 Jumper cap...
  • Page 37 Service Manual GWH09QB-K6DNA1E/I GWH09QB-K6DNC4E/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 Interface of neutral wire Interface of fan Interface of health function live wire 8 Auto button 9 Up&down swing interface Interface of PG feedback...
  • Page 38 Service Manual Outdoor Unit All 09/12K models is except:GWH12QB-K6DNB8I/O ● Top view Name 1 Interface of compressor wire 2 Interface of reactor Terminal of chassis electric heater Terminal of compressor electric heater 5 Terminal of 4-way valve 6 Interface of outdoor fan 7 Interface of earthing wire 8 Communication interface 9 Interface of netural wire...
  • Page 39 Service Manual GWH12QB-K6DNB8I/O Top view Name Interface of compressor wire Interface of reactor Terminal of power supply live wire terminal Interface of 4-way valve Terminal of power supply neutral wire Grounding wire Live wire Neutral wire Communication wire 10 Overload interface of compressor 11 Interface of temperature sensor Bottom view Technical Information...
  • Page 40 Service Manual ● Top view Name 1 C o mpressor wiring terminal for U V W 2 Terminal of system high pressure protection Compressor overload protection terminal 4 Interface of temperature sensor 5 Terminal of electronic expansion valve Terminal of system low pressure protection Terminal of outdoor fan 8 4-way valve terminal 9 Terminal of compressor electric heater...

  • Page 41: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction YAN1F6(WIFI) Buttons on remote controller ON/OFF button MODE button FAN button SWING button TURBO button ▲/ 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 42 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 ● When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature cant be adjusted and will not be displayed as well.
  • Page 43 Service Manual 6. ▲/ button ● Press "▲" or " " button once increase or decrease set temperature 1℃ . Holding "▲" or " " button, 2s later, set temperature on remote controller will change quickly. On releasing button after setting is finished, temperature indicator on indoor unit will change accordingly. (Temperature cant be adjusted under auto mode) ●...
  • Page 44 Service Manual Note: ● Under on and off status, you can set TIMER OFF or TIMER ON simultaneously. ● Before setting TIMER ON or TIMER OFF, please adjust the clock time. ● After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off according to setting time.
  • Page 45 Service Manual Replacement of batteries in remote controller signal sender battery 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. 2.

  • Page 46: Remote Controller Introduction

    Service Manual 6.2 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 Set fan speed I feel Turbo mode...
  • Page 47 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 48 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 49 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 50 Service Manual Technical Information...
  • Page 51 Service Manual Technical Information...

  • Page 52: Gree+ App Operation Manual

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

  • Page 53: Ewpe Smart App Operation Manual

    Service Manual 6.4 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 User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...

  • Page 54: Brief Description Of Modes And Functions

    Service Manual 6.5 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 55 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 56 Service Manual Outdoor Unit ● 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 57 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 58: 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 59 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 60 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 61 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 62: Installation

    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 63 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 64: 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 65: Installation Of Indoor Unit

    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 confirm it with the client.
  • Page 66 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 67: Installation Of Outdoor Unit

    Service Manual 4. Connect Indoor and Outdoor Pipes Outdoor 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 68: Vacuum Pumping And Leak Detection

    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: 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 69: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Note:All models is except 18K Display Method of Outdoor Display Method of Indoor Unit Unit(Only for the mode with this function) Indicator has 3 kinds of Indicator Display (during Malfunction display status and during A/C status Possible Causes blinking, ON 0.5s and OFF...
  • Page 70 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit(Only for the mode with this function) Indicator has 3 kinds of Indicator Display (during Malfunction display status and during A/C status Possible Causes blinking, ON 0.5s and OFF Dual-8 Name blinking, ON 0.5s and OFF...
  • Page 71 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit(Only for the mode with this function) Indicator has 3 kinds of Indicator Display (during Malfunction display status and during A/C status Possible Causes blinking, ON 0.5s and OFF Dual-8 Name blinking, ON 0.5s and OFF...
  • Page 72 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit(Only for the mode with this function) Indicator has 3 kinds of Indicator Display (during Malfunction display status and during A/C status Possible Causes blinking, ON 0.5s and OFF Dual-8 Name blinking, ON 0.5s and OFF...
  • Page 73 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit(Only for the mode with this function) Indicator has 3 kinds of Indicator Display (during Malfunction display status and during A/C status Possible Causes blinking, ON 0.5s and OFF Dual-8 Name blinking, ON 0.5s and OFF...
  • Page 74 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit(Only for the mode with this function) Indicator has 3 kinds of Indicator Display (during Malfunction display status and during A/C status Possible Causes blinking, ON 0.5s and OFF Dual-8 Name blinking, ON 0.5s and OFF...
  • Page 75 Service Manual If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Installation and Maintenance...
  • Page 76 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 77: 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 78 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 79 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 80 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 81 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 82 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 83 Service Manual (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Main check points: ●Is the connection between control panel AP1 and compressor COMP secure? Loose? Is the connection in correct order? ●Is the voltage input of the machine within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) ●Is the compressor coil resistance normal? Is the insulation of compressor coil against the copper tube in good condition? ●Is the working load of the machine too high? Is the radiation good?
  • Page 84 Service Manual Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring machine has run for terminal L and N restore it to board XT is within a period of time?
  • Page 85 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 86 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 87 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 88 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 89 Service Manual (7) Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken Fault diagnosis process: Start Check wiring of the...
  • Page 90 Service Manual (8) 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 91 Service Manual (9) 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 92: 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 93 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 94: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit 09K/12K except GWH09QB-K6DNC4E/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 95 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...
  • Page 96 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 97 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 98 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 99 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 100 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 101 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 102 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 103 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 104 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 105 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 106 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 107 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 108 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 109 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 110 Service Manual Part Code Description GWH09QB-K6DNC6I/I GWH09QB-K6DNC4E/I Product Code CB443N05200 CB444N09600 Front Panel 20000300101T 20000300105S Display Board 30565260 30565260 Front Case Assy 00000200040 00000200040 Helicoid Tongue 26112508 26112508 Left Axile Bush 10512037 10512037 Rear Case assy 20162010 20022682 Drainage Hose 0523001408 0523001408 Ring of Bearing...
  • Page 111 Service Manual GWH09QB-K6DNC4E/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 112 Service Manual Part Code Description GWH09QB-K6DNC4E/I Product Code CB444N09600 Front Panel Assy 20000300105 Display Board 30565260 Front Case Assy 00000200040 Guide Louver 1051276301 Air Louver 2 10512720 Swing Lever 10582460 Helicoid Tongue 26112508 Rear Case 2220255501 Drainage Hose 0523001408 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 7651205102...
  • Page 113 Service Manual The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 114 Service Manual Part Code Description GWH18QD-K6DNC8C/I GWH18QD-K6DNB4B/I Product Code CB456N03400 CB434N11200 Decorative Strip Front Panel 20000300153T 20000300028 Display Board 30565278 30565260 Filter Sub-Assy 11122089 11122089 Decorative Board (Left) 20192662 20192662 Front Case 2002248401 2002248401 Guide Louver 1051276501 1051276501 Axile Bush 10542036 10542036 Air Louver...
  • Page 115 Service Manual Part Code Description GWH18QD-K6DNA1B/I GWH18QD-K6DND6B/I Product Code CB419N15200 CB460N05301 Decorative Strip 20192613 Front Panel 20022481S 200003000027S Display Board 30565262 300001000042 Filter Sub-Assy 11122089 1112208906 Decorative Board (Left) 2019269303 20192662 Front Case 20022484 2002248401 Guide Louver 10512734 1051276501 Axile Bush 10542036 10542036 Air Louver...

  • Page 116: Outdoor Unit

    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 117 Service Manual Part Code Description GWH09QB-K6DNA1C/O Product Code CB419W11900 CB419W11901 Electric Box Assy 100002001193 100002001207 Electric Box 20113034 20113034 Main Board 300027000249 300027000250 Reactor 43130184 43130184 Terminal Board 42010313 42010313 Wire Clamp 71010103 71010103 Front Grill 22413043 22413043 Front Panel 01533034P 01533034P Axial Flow Fan...
  • Page 118 Service Manual GWH09QB-K6DNB8I/O GWH09QB-K6DNA1C/O GWH09QB-K6DNA1E/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 119 Service Manual Part Code Description GWH09QB-K6DNB8I/O GWH09QB-K6DNA1C/O Product Code CB438W07400 CB419W11902 Electric Box Assy 100002001193 100002002657 Electric Box 20113034 20113034 Main Board 300027000249 300027000249 Reactor 43130184 43130184 Terminal Board 42010313 42010313 Wire Clamp 71010103 71010103 Front Grill 22413049 22413049 Front Panel 01533034P 01533034P Axial Flow Fan...
  • Page 120 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 01533034P 01533034P Axial Flow Fan...
  • Page 121 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 122 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 123 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 124 Service Manual GWH18QD-K6DNA1C/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 125 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 126: Removal Procedure

    Service Manual 11. Removal Procedure Caution: discharge the refrigerant 09/12K completely before removal. 11.1 Removal Procedure of Indoor Unit 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 127 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 128 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 129 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 130 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 131 Service Manual 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 Groove case 2.Remove horizontal louver...
  • Page 132 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 133 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 134 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 135 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 136: Removal Procedure Of Outdoor Unit

    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 137 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 138 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 139 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 140 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 141 Service Manual GWH09QB-K6DNB8I/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. Screw Big handle 2.
  • Page 142 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 143 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 144 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 145 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 146 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 147 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 148 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 149 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 150 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 Remove the screw fixing big handle; slide out Screw the big handle down wards to make the clasp Handle...
  • Page 151 Service Manual Step Procedure 4.Remove cabinet Remove the screws fixing cabinet and then remove the cabinet. Cabinet Screw 5.Remove right side plate and rear grill Remove the screws fixing right side plate Right side plate and then remove the right side plate. Screw Screw Remove the screws and then remove the...
  • Page 152 Service Manual Step Procedure 6.Remove lef side plate Remove the screws fixing left side plate and then remove the letf side plate. Left side plate Screw 7.Remove axial flow blade Axial flow blade Remove the nut fixing axial flow blade and then remove the axial flow blade.
  • Page 153 Service Manual Step Procedure 9.Remove motor Remove the screws fixing motor and then remove the motor. Screw Motor 10.Remove motor support Motor support Remove the screws fixing 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 154 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 Remove the screws fixing clapboard and Screw then remove the clapboard.
  • Page 155 Service Manual Step Procedure Condenser 15.Remove condenser Remove one screw fixing the condenser, then remove the condenser. Screw Installation and Maintenance...

  • Page 156: 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 157: 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 158: 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 159 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 160 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 161 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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