Gree GWH07QA-K6DNC4A Service Manual
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Gree GWH07QA-K6DNC4A Service Manual

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

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June 7, 2025

When operating the fan mode is it only moving air from inside the house or is it taking in air from outside?

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Summary of Contents for Gree GWH07QA-K6DNC4A

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

  • Page 2: Table Of Contents

    6. Function and Control ..........60 6.1 Remote Controller Introduction ................60 6.2 Brief Description of Models and Functions ..........74 6.3 GREE+ App Operation Manual ................83 6.4 Ewpe Smart App Operation Manual ..............84 Part Ⅱ : Installation and Maintenance ....85 7.
  • Page 3 Service Manual 8.4 Electric Connection Requirement ..............92 8.5 Installation of Indoor Unit ..................93 8.6 Installation of Outdoor unit .................95 8.7 Vacuum Pumping and Leak Detection ............96 8.8 Check after Installation and Test operation ..........97 9. Maintenance ..............98 9.1 Error Code List ......................98 9.2 Procedure of Troubleshooting ................103...

  • Page 4: Part Ⅰ : Technical Information

    1. Summary Service Manual Indoor Unit: D2 for some model D2 for some model Outdoor Unit: GWH09AFC-K6DNA2F/O GWH07QA-K6DNC4A/O GWH12AFC-K6DNA2F/O GWH09AGA-K6DNA1A/O GWH18ALD-K6DNA1A/O GWH12AGB-K6DNA1A/O Technical Information...

  • Page 5: Specifications

    2. Specifications Service Manual GWH18AFD-K6DNA2I/O GWH18QD-K6DNA1D/O GWH24QE-K6DNA1E/O GWH24ALD-K6DNA1B/O GWH24AFE-K6DNA2I/O Remote Controller: MODE ON/OFF SWING TURBO SLEEP TEMP MODE WiFi CLOCK LIGHT TIMER TIMER I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP YAC1FB9(WiFi) YAN1F6(WiFi) YAP1F2(WiFi) Technical Information...
  • Page 6 Service Manual Model list: Indoor product Outdoor Remote Model Product code Indoor model Outdoor model code product code Controller 1 GWH07QA-K6DNC4A CB444013200 GWH07QA-K6DNC4A/I CB444N13200 GWH07QA-K6DNC4A/O CB444W13200 CB434020401 CB434N20401 GWH09QA-K6DNB4A GWH09QA-K6DNB4A/I CB434020402 CB434N20402 CB432025402 CB432N25402 GWH09QA-K6DNB2A GWH09QA-K6DNB2A/I GWH09AGA-K6DNA1A/O CB385W01000 CB432025401 CB432N25401...

  • Page 7: Specification Sheet

    Service Manual 2.1 Specification Sheet Model GWH07QA-K6DNC4A Product Code CB444013200 Rated Voltage 220-240 Power Rated Frequency Supply Phases Outdoor Power Supply Mode 2200 Cooling Capacity 2300 Heating Capacity Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input...
  • Page 8 Service Manual Outdoor Unit Model GWH07QA-K6DNC4A/O Outdoor Unit Product Code CB444W13200 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-AN075ACBF-A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 3.00 Compressor Power Input Compressor Overload Protector Throttling Method Capillary Set Temperature Range ºC...
  • Page 9 Service Manual 1.GWH09QA-K6DNB4A 2.GWH09QA-K6DNB2A Model 3.GWH09QA-K6DNB8A 4.GWH09QA-K6DNC4A 1.CB434020401/CB434020402 2.CB432025401/CB432025402 Product Code 3.CB438012600 4.CB444013800 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Power Supply Mode 2500 Cooling Capacity 2800 Heating Capacity Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input 1500 Rated Input...
  • Page 10 Service Manual Outdoor Unit Model GWH09AGA-K6DNA1A/O Outdoor Unit Product Code CB385W01000 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-AN075ACBF-A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 3.00 Compressor Power Input Compressor Overload Protector Throttling Method Capillary Set Temperature Range ºC 16~30...
  • Page 11 Service Manual 1.GWH12QB-K6DNB2A 2.GWH12QB-K6DNB4A Model 3.GWH12QB-K6DNB8A 4.GWH12QB-K6DNC4A 1.CB432025502/CB432025503 2.CB434020501 Product Code 3.CB438012700 4.CB444013900 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Power Supply Mode 3200 Cooling Capacity 3400 Heating Capacity Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input 1500 Rated Input...
  • Page 12 Service Manual Outdoor Unit Model GWH12AGB-K6DNA1A/O Outdoor Unit Product Code CB385W01700 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model FTz-AN088ACBF-A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 3.60 Compressor Power Input Compressor Overload Protector Throttling Method Capillary Set Temperature Range ºC...
  • Page 13 Service Manual 1.GWH09QC-K6DNB2F 2.GWH09QC-K6DNC4F Model 3.GWH09QC-K6DND2F 1.CB432026000 2.CB444013400 Product Code 3.CB461007700 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 2700 Heating Capacity 3000 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1400 Rated Cooling Current...
  • Page 14 Service Manual Outdoor Unit Model GWH09AFC-K6DNA2F/O(LC) Outdoor Unit Product Code CB363W02900 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-A082zC170 Compressor Oil ZE-G;ES RB68GX or equivalent Compressor Type Rotary Compressor LRA. 15.00 Compressor RLA 2.56 Compressor Power Input 756.6 Compressor Overload Protector Throttling Method Capillary Set Temperature Range...
  • Page 15 Service Manual 1.GWH12QC-K6DNB2F 2.GWH12QC-K6DNC4F Model 3.GWH12QC-K6DND2F 1.CB432026101 2.CB444013501 Product Code 3.CB461007501 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3510 Heating Capacity 3810 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1550 Rated Cooling Current...
  • Page 16 Service Manual Outdoor Unit Model GWH12AFC-K6DNA2F/O(LC) Outdoor Unit Product Code CB363W03601 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 4.40 Compressor Power Input Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 17 Service Manual 1.GWH12QC-K6DNA5F 2.GWH12QC-K6DNB2F Model 3.GWH12QC-K6DND2F 1.CB425016200 2.CB432026102 Product Code 3.CB461007502 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3510 Heating Capacity 3810 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1550 Rated Cooling Current...
  • Page 18 Service Manual Outdoor Unit Model GWH12AFC-K6DNA2F/O(LCLH) Outdoor Unit Product Code CB363W03600 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 4.40 Compressor Power Input Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 19 Service Manual 1.GWH18QD-K6DNB2I 2.GWH18QD-K6DNC4I Model 3.GWH18QD-K6DND2I 1.CB432026200 2.CB444013300 Product Code 3.CB461007600 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Power Supply Mode 5200 Cooling Capacity 5600 Heating Capacity 1576 Cooling Power Input 1436 Heating Power Input Cooling Current Input Heating Current Input 2400 Rated Input...
  • Page 20 Service Manual Outdoor Unit Model GWH18AFD-K6DNA2I/O(LC) Outdoor Unit Product Code CB363W04200 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-A120zH170A Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. 18.00 Compressor RLA 5.00 Compressor Power Input 1096 Compressor Overload Protector HPC115/95U1/KSD115ºC Throttling Method Electron expansion valve...
  • Page 21 Service Manual 1.GWH18QD-K6DNA5I 2.GWH18QD-K6DND2I Model 1.CB425016301 2.CB461007601 Product Code 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Power Supply Mode 5200 Cooling Capacity 5600 Heating Capacity 1576 Cooling Power Input 1436 Heating Power Input Cooling Current Input Heating Current Input 2400 Rated Input 10.5...
  • Page 22 Service Manual Outdoor Unit Model GWH18AFD-K6DNA2I/O(LCLH) Outdoor Unit Product Code CB363W04201 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-A120zH170A Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. 18.00 Compressor RLA 5.00 Compressor Power Input 1096 Compressor Overload Protector HPC115/95U1/KSD115ºC Throttling Method Electron expansion valve...
  • Page 23 Service Manual GWH18QD-K6DNC4D Model CB444012303 Product Code 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Power Supply Mode 5200 Cooling Capacity 5300 Heating Capacity 1528 Cooling Power Input 1410 Heating Power Input 6.78 Cooling Current Input 6.26 Heating Current Input 2600 Rated Input 6.78...
  • Page 24 Service Manual Outdoor Unit Model GWH18QD-K6DNA1D/O(LC) Outdoor Unit Product Code CB419W15601 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141ZF030F Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1410 Compressor Overload Protector HPC115/95U1 KSD115℃ Throttling Method Electron expansion valve Set Temperature Range...
  • Page 25 Service Manual 1.GWH18QD-K6DNB2E Model 2.GWH18QD-K6DNC4A 1.CB432026600 Product Code 2.CB444013700 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 4600 Heating Capacity 5200 Cooling Power Input 1355 Heating Power Input 1340 Cooling Current Input Heating Current Input Rated Input 1900 Rated Cooling Current...
  • Page 26 Service Manual Outdoor Unit Model GWH18ALD-K6DNA1A/O Outdoor Unit Product Code CB513W01600 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector Throttling Method Capillary Set Temperature Range ºC...
  • Page 27 Service Manual GWH24QE-K6DNC4E Model CB444009802 Product Code 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Power Supply Mode 7000 Cooling Capacity 7400 Heating Capacity 1900 Cooling Power Input 1897 Heating Power Input 8.73 Cooling Current Input 8.84 Heating Current Input 3750 Rated Input 8.73...
  • Page 28 Service Manual Outdoor Unit Model GWH24QE-K6DNA1E/O(LC) Outdoor Unit Product Code CB419W15701 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXFS-D25zX090H Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 11.7 Compressor Power Input 2420 Compressor Overload Protector HPC115/95U1/KSD115℃ Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 29 Service Manual GWH24QD-K6DNC4B Model GWH24QD-K6DNB2B CB444013600 Product Code CB432026700 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 6200 Heating Capacity 6500 Cooling Power Input 1827 Heating Power Input 1912 Cooling Current Input Heating Current Input Rated Input 2300 Rated Cooling Current...
  • Page 30 Service Manual Outdoor Unit Model GWH24ALD-K6DNA1B/O Outdoor Unit Product Code CB513W02200 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-SM151AXBD Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 6.06 Compressor Power Input 1330 Compressor Overload Protector Throttling Method Capillary Set Temperature Range ºC...
  • Page 31 Service Manual GWH24QE-K6DNB2I Model GWH24QE-K6DND2K CB432026300 Product Code CB461007800 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 7100 Heating Capacity 7800 Cooling Power Input 2030 Heating Power Input 2000 Cooling Current Input Heating Current Input Rated Input 3000 Rated Cooling Current...
  • Page 32 Service Manual Outdoor Unit Model GWH24AFE-K6DNA2I/O(LC) Outdoor Unit Product Code CB363W04100 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXFS-M180zX170 Compressor Oil FW68DA or equivalent Compressor Type Twin Rotary Compressor LRA. 35.00 Compressor RLA 3.50 Compressor Power Input 1610 Compressor Overload Protector KSD115ºC HPC 115/95U1 Throttling Method Electron expansion valve...
  • Page 33 Service Manual GWH24QE-K6DNA5I Model GWH24QE-K6DND2K CB425016401 Product Code CB461007801 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 7100 Heating Capacity 7800 Cooling Power Input 2030 Heating Power Input 2000 Cooling Current Input Heating Current Input Rated Input 3000 Rated Cooling Current...
  • Page 34 Service Manual Outdoor Unit Model GWH24AFE-K6DNA2I/O(LCLH) Outdoor Unit Product Code CB363W04101 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXFS-M180zX170 Compressor Oil FW68DA or equivalent Compressor Type Twin Rotary Compressor LRA. 35.00 Compressor RLA 3.50 Compressor Power Input 1610 Compressor Overload Protector KSD115ºC HPC 115/95U1 Throttling Method Electron expansion valve...

  • Page 35: Capacity Variation Ratio According To Temperature

    Service Manual 2.2 Capacity Variation Ratio According to Temperature Heating operation ambient temperature range is -15ºC~30ºC Cooling Heating 9/12K 9/12K Condition Indoor:DB27°C WB19°C Conditions Indoor air flow: High Indoor:DB20°C Pipe length:5m Indoor air flow:Super High Pipe length:5m -15 -10 -5 10 15 20 25 30 35 40 45 50 Outdoor temp.(°C) Outdoor temp.(°C)
  • Page 36 Service Manual Heating operation ambient temperature range is -15ºC~24ºC Heating Cooling 07/09/12K 07/09/12K Conditions Indoor:DB20°C Indoor air flow:Super High Conditions Indoor:DB27°C/WB19°C Pipe length:5m Indoor air flow:Super High Pipe length:5m Outdoor temp.(°C) Outdoor temp.(°C) Heating Cooling Conditions Condition Indoor:DB27°C WB19°C Indoor:DB20°C Indoor air flow: High Indoor air flow:Super High...

  • Page 37: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe temperature of Rated cooling condition(°C) (DB/WB) connecting indoor and Fan speed of Fan speed of heat exchanger Model outdoor unit indoor unit outdoor unit Indoor...
  • Page 38 Service Manual 09(QC)/12K(QC)/18K(QD)/24K(QE) Indoor side noise when blowing Indoor side noise when blowing 09K heating 18K heating 18K cooling 09K cooling Indoor fan motor rotating speed Indoor fan motor rotating speed Indoor side noise when blowing Indoor side noise when blowing heating: GWH24QE-K6DNC4E 12K heating GWH24QE-K6DNB2I...

  • Page 39: Outline Dimension Diagram

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

  • Page 40: Outdoor Unit

    Service Manual 3.2 Outdoor Unit GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O GWH18ALD-K6DNA1A/O Unit:mm GWH07QA-K6DNC4A/O GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Unit:mm Technical Information...
  • Page 41 Service Manual GWH18AFD-K6DNA2I/O Unit:mm 512.5 GWH18QD-K6DNA1D/O GWH24QE-K6DNA1E/O Unit:mm Technical Information...
  • Page 42 Service Manual GWH24ALD-K6DNA1B/O Unit:mm GWH24AFE-K6DNA2I/O Unit:mm Technical Information...

  • Page 43: Refrigerant System Diagram

    Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Electric Strainer expand valve COOLING HEATING GWH07QA-K6DNC4A/O GWH09AGA-K6DNA1A/O GWH09AFC-K6DNA2F/O GWH12AGB-K6DNA1A/O GWH24ALD-K6DNA1B/O GWH18ALD-K6DNA1A/O Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger...

  • Page 44: Electrical Part

    5. Electrical Part Service Manual 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 45 Service Manual GWH07QA-K6DNC4A/I GWH09QA-K6DNB4A/I(CB434N20401) 6363222005 GWH09QA-K6DNB2A/I(CB432N25401) GWH12QB-K6DNB2A/I GWH18QD-K6DNB2E/I 60000700068806 Technical Information...
  • Page 46 Service Manual GWH09QA-K6DNB2A/I(CB432N25402) GWH12QB-K6DNB4A/I GWH12QB-K6DNB2A/I GWH09QA-K6DNB4A/I(CB434N20402) 600007000688 GWH09QA-K6DNB8A/I GWH09QA-K6DNC4A/I GWH12QB-K6DNB8A/I GWH12QB-K6DNC4A/I 6363222004 Technical Information...
  • Page 47 Service Manual GWH09QC-K6DNC4F/I GWH12QC-K6DNA5F/I GWH12QC-K6DNC4F/I GWH18QD-K6DNC4D/I GWH24QE-K6DNC4E/I GWH09QC-K6DND2F/I GWH12QC-K6DNB2F/I GWH12QC-K6DND2F/I 60000700068804 GWH18QD-K6DNA5I/I GWH18QD-K6DNC4I/I GWH18QD-K6DND2I/I GWH24QE-K6DNA5I/I GWH24QE-K6DND2K/I 60000700030904 Technical Information...
  • Page 48 Service Manual GWH18QD-K6DNB2I/I GWH24QE-K6DNB2I/I 60000700030905 GWH24QD-K6DNC4B/I 60000700030908 Technical Information...
  • Page 49 Service Manual GWH18QD-K6DNC4A/I 60000700068811 GWH24QD-K6DNB2B/I 60000700030911 Technical Information...
  • Page 50 Service Manual ● Outdoor Unit GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O 600007064727 GWH07QA-K6DNC4A/O GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O 600007064836 Technical Information...
  • Page 51 Service Manual GWH18AFD-K6DNA2I/O GWH24ALD-K6DNA1B/O GWH24AFE-K6DNA2I/O GWH18ALD-K6DNA1A/O 600007065005 GWH18QD-K6DNA1D/O 63610000218 Technical Information...
  • Page 52 Service Manual GWH24QE-K6DNA1E/O 600007000339 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...

  • Page 53: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit 07K/09K/12K GWH18QD-K6DNB2E/I GWH18QD-K6DNC4A/I Name Name Interface of health function neutral wire 10 Terminal of temperature sensor Neutral wire terminal WIFI terminal Motor terminal 12 Wired controller terminal Interface of health function live wire 13 Interface of display board Auto button 14 Jumper cap...
  • Page 54 Service Manual GWH18QD-K6DNA5I/I GWH18QD-K6DNB2I/I GWH18QD-K6DNC4I/I GWH24QE-K6DNB2I/I GWH24QD-K6DNC4B/I GWH18QD-K6DND2I/I GWH24QE-K6DNA5I/I GWH24QE-K6DND2K/I GWH24QD-K6DNB2B/I Name Name Neutral wire Display interface Interface of health function live wire 10 WIFI interface DC fan interface Grounding wire Terminal with outdoor unit Up&down swing interface communication wire Left&right swing interface 13 Live wire interface Interface of wired controller...
  • Page 55 Service Manual GWH18QD-K6DNC4D/I GWH24QE-K6DNC4E/I Name Name Interface of communication wire for 10 Interface of PG feedback indoor unit and outdoor unit Interface of live wire Left&right swing interface Interface of dry contact(only for the Fuse model with this function) Interface of health function neutral 13 Interface of wifi wire(Applicable for some models) Needle stand for tube temperature...
  • Page 56 Service Manual Outdoor Unit 07K/09K/12K GWH18ALD-K6DNA1A/O Name Earthing wire Neutral wire, live wire and communication cable 4-way valve Electric heating belt of chasssis Outdoor fan Electronic expansion valve Overload Temperature sensor Three-phase terminal of compressor Technical Information...
  • Page 57 Service Manual GWH18AFD-K6DNA2I/O 9 10 Name Name Earthing wire Outdoor fan Live wire DRED(Reserved) Neutral wire 10 Electronic expansion valve Communication wire Compressor Overload 4-way valve 12 Temperature sensor Electric heating of chasssis 13 Compressor DRED-DC(Reserved) Technical Information...
  • Page 58 Service Manual GWH18AFD-K6DNA2I/O Name Name Terminal of compressor overload Terminal of chassis electric heating protection Terminal of indoor unit and outdoor unit Terminal of temperature sensor communication Terminal of electronic expansion valve Power supply live wire Terminal of outdoor fan 10 Earthing wire Terminal of 4-way valve Power supply neutral wire...
  • Page 59 Service Manual GWH18AFD-K6DNA2I/O Name Name Compressor three phase input interface Terminal of compressor electric heating Terminal of low ambient temperature 10 Terminal of 4-way valve cooling temperature sensor Terminal of electronic expansion valve Terminal of chassis electric heating Terminal of outdoor temperature sensor 12 Terminal of live wire Terminal of compressor overload 13 Terminal of communication...
  • Page 60 Service Manual GWH24ALD-K6DNA1B/O Name Neutral wire, live wire and communication cable 4-way valve electric heating belt of chasssis Electronic expansion valve Outdoor fan Temperature sensor Overload Three-phase terminal of compressor Technical Information...
  • Page 61 Service Manual GWH24AFE-K6DNA2I/O 11 12 Name Name Terminal of electronic expansion valve 4-way valve E disk(Reserved) 10 Electric heating belt of chassis Computer monitoring interface 2-way valve EE flash drive 12 DC motor Grounding wire 13 Temperature sensor Live wire 14 Overload interface of compressor Neutral wire 15 Terminal of compressor...

  • Page 62: Function And Control

    6. Function and Control Service Manual 6.1 Remote Controller Introduction YAC1FB9(WiFi) Introduction for icons on display screen Buttons on remote controller button Press this button to turn on the unit. Press this button again to turn off the unit. NOTE: ●...
  • Page 63 Service Manual hea t mode. Press "▲" o r "▼" button to adjust set temperature. "▼" button to adjust time. (Refer to CLOCK, TIMER ON, TIMER Press "FAN" button to adjust fan speed. Press " " / " " button OFF buttons).
  • Page 64 Service Manual button again to close I FEEL function and " " will disappear. button Please put the remote controller near user when this function ● Press this button, can select Sleep 1 ( ), Sleep 2 ( ), Sleep is set.
  • Page 65 Service Manual button button By pressing this button, you can see indoor set temperature, Press this button, the Quiet status is under the Auto button Quiet indoor ambient temperature or outdoor ambient temperature on mode (display " " and "AUTO" signal ) and Quiet mode (display indoor unit's display.
  • Page 66 Service Manual simultaneously to start up or turn off 8°C heating function. When Replacement of batteries in remote controller this function is started up, " " and "8°C" will be shown on remote controller, and the air conditioner keep the heating status at 8°C. 1.Press the back side of remote controller marked with "...
  • Page 67 Service Manual YAN1F6(WiFi) Introduction for buttons on remote controller Notice： Buttons on remote controller ● This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status.
  • Page 68 Service Manual button button Pressing this button can set fan speed circularlyas: auto(AUTO), Press "▲" or "▼" button once increase or decreaseset low( ), medium( ), high( temperature 1°C(1°F). Holding "▲" o r "▼" button,2s later, set temperature on remote controller will change quickly. On Auto releasing button after setting is finished, temperature indicator on indoor unit will change accordingly.
  • Page 69 Service Manual Function introduction for combination buttons button LIGHT Energy-saving function Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Under cooling mode, press "TEMP" and "CLOCK" buttons Press this button again to turn on display light. " "...
  • Page 70 Service Manual I FEEL Function Press "▲" and "MODE" buttons simultaneously to start I FEEL function and " " will be displayed on the remote controller. After this function is set, the remote controller will send the detected ambient temperature to the controller and the unit will automatically adjust the indoor temperature according to the detected temperature.
  • Page 71 Service Manual YAP1F2(WiFi) NOTE: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
  • Page 72 Service Manual When reaching your required angle, release the button. TURBO button Under COOL or HEAT mode, press this button to turn to quick Note: ● " " may not be available. When air conditioner COOL or quick HEAT mode. " "...
  • Page 73 Service Manual is set. Do not put the remote contro ller near the object of high button LIGHT temperature or low temperature in order to avoid detecting Press this button to turn off display light on indoor unit. " " icon inaccurate amb ient temperature.
  • Page 74 Service Manual Introduction for icons on display screen simultaneously to start up or turn off 8°C heating function. When this function is started up, " " and "8°C" will be shown on remote controller, and the air conditioner keep the heating status at 8°C. Press "TEMP"...
  • Page 75 Service Manual Replacement of batteries in remote controller 1. Lift the cover along the direction of arrow (as shown in Fig 1 ① ). 2.Take out the original batteries (as shown in Fig 1 ② ). 3.Place two 7# (AAA 1.5V) dry batteries, and make sure the position of “...

  • Page 76: Brief Description Of Models And Functions

    Service Manual 6.2 Brief Description of Models and Functions Indoor Unit speed and swing function is turned on. Press this auto button at ● ON status to turn off the unit. (3) Auto fan 1.Basic function of system Heating mode: During auto heating mode or normal heating ode, (1)Cooling mode auto fan speed will adjust the fan speed automatically according (1) Under this mode, fan and swing operates at setting status.
  • Page 77 Service Manual (11)Ambient temperature display control mode 1. When user set the remote controller to display set temperature (corresponding remote control code: 01), current set temperature will be displayed. 2. Only when remote control signal is switched to indoor ambient temperature display status (corresponding remote control code: 10) from other display status (corresponding remote control code: 00, 01,11),controller will display indoor ambient temperature for 3s...
  • Page 78 Service Manual Outdoor Unit(07/09/12K) ⑥ Under the condition that compressor is turned on, when unit ● is changed to heating mode from cooling or drying mode, 4-way 1. Cooling mode: valve will be energized in 2~3mins delay. Working condition and process of cooling mode: Note: Tcompensation is determined by IDU and ODU.
  • Page 79 Service Manual Outdoor Unit(18/24K) that is, the minimum setting temperature for outer units judgment ● is 25ºC . 1. Input Parameter Compensation and Calibration (2) Dehumidifying Mode (1) Check the ambient temperature compensation 1. Conditions and processes of dehumidifying operations: Same function Indoor ambient temperature compensation as the cooling mode;...
  • Page 80 Service Manual again without delay). After the compressor stopped working for 180s, if T >[T inner pipe frozen- 1. Cooling mode (the temperature of hysteresis is 2 preventing frequency-limited temperature Start the machine to enter into cooling operation for cooling, the )], the machine is only allowed to start for operating, otherwise it compressor is switched on.
  • Page 81 Service Manual 4. Power turn-off: running 90s at the lower limit, if [T Cooling overload frequency reducing If the [T ] ≤T , then overload ]≤T , then Cooling overload protects heating overload power turn-off temperature inner pipe temperature at normal speed outer pipe protects machine stopping;...
  • Page 82 Service Manual 2. Frequency limited compressor exceeds the t Protection times clearing of discharge If [T ] ≤T <[T , the discharge protection is cleared to recount. Stopped or Limited frequency temperature of module Module frequency reducing temperature at normal ] , you should limit the frequency raising of compressor.
  • Page 83 Service Manual 4. If the overcurrent protection of compressor phase current available if presses ON/OFF. continuously occurs for six times, it should not be resumed Attention: the protection shall be shielded during the testing mode automatically, and you should press the ON/OFF button to and defrosting process, and it shall be cleared out the failure and resume.
  • Page 84 Service Manual (3)When 0ºC<T ≤2ºC, the electric heating of chassis will outdoor amb. keep original status. 7. Electric Heating Function of Compressor (1) When T ≤-5ºC, compressor stops operation, while the outdoor amb. electric heating of compressor starts operation; (2) When T >-2ºC, the electric heating of compressor stops outdoor amb.

  • Page 85: Gree+ App Operation Manual

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

  • Page 86: Ewpe Smart App Operation Manual

    Service Manual 6.4 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Home Wi-Fi Cellular/ 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 87: Part Ⅱ : Installation And Maintenance

    7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! 11. For the air conditioner without plug, an air switch must be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than Please read the safety precautions carefully before 3mm.
  • Page 88 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 5.When installing the unit, make sure that connection keep the refrigerant circuit free from air or substances pipe is securely connected before the compressor other than the specified refrigerant.
  • Page 89 Service Manual Installation notes Safety Precautions for Refrigerant ●To realize the function of the air conditioner unit, a special ●The air conditioner is not allowed to use in a room that has running fire (such as fire source,working coal gas ware, refrigerant circulates in the system.
  • Page 90 Service Manual f. Carry back to the service spot for welding ●Make sure that there isnt any naked flame near the outlet of the vacuum pump and its well-ventilated. ●The refrigerant should be recycled into the specialized storage tank. Filling the refrigerant ●Use the refrigerant filling appliances specialized for R32.
  • Page 91 Service Manual Main Tools for Installation and Maintenance Level meter Measuring tape Screw driver Impact drill Drill head Electric drill Electroprobe Universal meter Inner hexagon Electronic Torque wrench Open-end wrench spanner leakage detector Vacuum pump Pressure meter Pipe pliers Pipe pliers Pipe cutter Pipe expander Pipe bender...

  • Page 92: Installation

    8. Installation Service Manual 8.1 Installation Dimension Diagram Space to the wall At least 15cm Space to the wall At least 15cm Space to the obstruction At least 50cm Drainage pipe Installation and Maintenance...
  • Page 93 Service Manual Installation Procedures 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 94: Installation Parts-Checking

    Service Manual 8.2 Installation Parts-checking 3. Outdoor Unit: (1) Select a location where the noise and outflow air emitted by Name the outdoor unit will not affect neighborhood. Indoor unit (2) The location should be well ventilated and dry, in which the outdoor unit wont be exposed directly to sunlight or strong wind.

  • Page 95: 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, left 1. Choosing Installation Iocation or rear left.(As show in Fig.3) Recommend the installation location to the client and then confirm (2) When selecting leading out the pipe from left or right, please it with the client.
  • Page 96 Service Manual 6. Install Drain Hose (1) Connect the drain hose to the outlet pipe of indoor unit.(As N(1) show in Fig.8) (2) Bind the joint with tape.(As show in Fig.9) blue black brown yellow- green Outdoor unit connection Fig.13 Drain hose Outlet pipe Note: The wiring connect is for reference only, please refer to...

  • Page 97: Installation Of Outdoor Unit

    Service Manual Note: (1) The power cord and control wire cant be crossed or winding. (2) The drain hose should be bound at the bottom. 9. Hang the Indoor Unit Drain vent (1) Put the bound pipes in the wall pipe and then make them pass Chassis Drain hose Outdoor drain joint...

  • Page 98: Vacuum Pumping And Leak Detection

    (1) Remove the wire clip; connect the power connection wire and signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; fix them with screws.(As show in The drain hose can't be fluctuant Fig.23) GWH07QA-K6DNC4A/O GWH09AFC-K6DNA2F/O The water outlet GWH09AGA-K6DNA1A/O GWH12AFC-K6DNA2F/O...

  • Page 99: Check After Installation And Test Operation

    Service Manual 8.8 Check after Installation and Test operation 1. Check after Installation Check according to the following requirement after finishing installation. Items to be checked Possible malfunction Has the unit been installed The unit may drop, shake or firmly? emit noise.

  • Page 100: Maintenance

    9. Maintenance Service Manual 9.1 Error Code List Display Method Possible Causes(For specific maintenance Malfunction of Indoor Unit A/C Status method, please refer to the following procedure of Name (Error Code) troubleshooting) During cooling and drying operation, Possible reasons: High pressure except indoor fan operates, all loads 1.
  • Page 101 Service Manual During cooling and drying operating, Outdoor ambient Outdoor temperature sensor hasnt been connected well or is compressor stops while indoor fan temperature sensor is damaged. Please check it by referring to the resistance table operates; During heating operation, the open/short circuited for temperature sensor) complete unit will stop operation...
  • Page 102 Service Manual During cooling and drying operation, Malfunction of module compressor will stop while indoor fan will temperature sensor operate; Replace outdoor control panel AP1 During heating operation, the complete circuit unit will stop After the complete unit is de-energized for 20mins, check During cooling operation, compressor will Module high whether the thermal grease on IPM Module of outdoor...
  • Page 103 Service Manual During cooling and drying operation, Malfunction of phase compressor will stop while indoor fan will current detection Replace outdoor control panel AP1 operate; During heating operation, the circuit for compressor complete unit will stop During cooling and drying operation, Malfunction of voltage compressor will stop while indoor fan will dropping for DC...
  • Page 104 Service Manual If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Installation and Maintenance...

  • Page 105: 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 106 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 can't operate? ●...
  • Page 107 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 108 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 109 Service Manual 5. High Temperature and Overload Protection (AP1 below means control board of outdoor unit) E8 Start Normal protection, please use it Unit restarts If the outdoor ambient temperature is after improving the outdoor ambient normally higher than 53°C? temperature Improve the radiating environment of Unit restarts...
  • Page 110 Service Manual 6. 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 111 Service Manual ●Outdoor unit: 1.Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: ● Detect if the voltage of L and N terminal of wiring board is between 210AC-240AC by alternating voltage meter; ●...
  • Page 112 Service Manual 2.Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit) Main detection point: ● If the outdoor ambient temperature is in normal range; ● If the indoor and outdoor fan is running normal; ● If the radiating environment of indoor and outdoor unit is well. Malfunction diagnosis process: Anti-high temperature, overload protection...
  • Page 113 Service Manual 3.IPM protection, phase current overcurrent (the control board as below indicates the control board 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 114 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 115 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 once the Out of step occurs in unit is powered on.
  • Page 116 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 117 Service Manual 7. Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process:...
  • Page 118 Service Manual 8. Malfunction of Overcurrent Protection Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate eliminated Is the supply voltage too low...

  • Page 119: 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 connection After energization, operation indicator isnt bright wait for power recovery.
  • Page 120 Service Manual 4. ODU Fan Motor Cant Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is universal meter and find that the capacity is out of...

  • Page 121: Exploded View And Parts List

    10. Exploded View and Parts List Service Manual 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 122 Service Manual Description Front Panel Assy Display Board Front Case Assy Guide Louver Air Louver Swing Lever Helicoid Tongue Rear Case Drainage Hose Ring of Bearing O-Gasket sub-assy of Bearing Evaporator Support Evaporator Assy Wall Mounting Frame Cross Flow Fan Motor Press Plate Fan Motor Connecting pipe clamp...
  • Page 123 Service Manual The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 124 Service Manual Description Front Panel Assy Display Board Front Case Assy Axile Bush Helicoid Tongue Left Axile Bush Rear Case assy Rubber Plug (Water Tray) O-Gasket sub-assy of Bearing Ring of Bearing Cold Plasma Generator Evaporator Assy Wall Mounting Frame Cross Flow Fan Fan Motor Connecting pipe clamp...
  • Page 125 Service Manual MODE SWING TURBO SLEEP TEMP WiFi CLOCK LIGHT TIMER TIMER The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 126 Service Manual Description Front Panel Display Board Front Case Assy Helicoid Tongue Left Axile Bush Rear Case assy Drainage Hose Ring of Bearing O-Gasket sub-assy of Bearing Evaporator Support Evaporator Assy Wall Mounting Frame Fan Motor Cross Flow Fan Connecting pipe clamp Rubber Plug (Water Tray) Stepping Motor Crank...
  • Page 127 Service Manual 18K(QD) for some model: The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 128 Service Manual Description Decorative Strip Front Panel Assy Display Board Filter Sub-Assy Decorative Board (Left) Front Case Guide Louver Axile Bush Air Louver 1 Helicoid tongue Left Axile Bush Rear Case assy Rubber Plug (Water Tray) O-Gasket sub-assy of Bearing Ring of Bearing Evaporator Support Evaporator Assy...
  • Page 129 Service Manual GWH18QD-K6DNC4D The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 130 Service Manual Description Decorative Strip Front Panel Assy Display Board Filter Sub-Assy Decorative Board (Left) Front Case Guide Louver Axile Bush Air Louver 1 Helicoid tongue Left Axile Bush Rear Case assy Rubber Plug (Water Tray) O-Gasket sub-assy of Bearing Ring of Bearing Evaporator Support Evaporator Assy...
  • Page 131 Service Manual 24K(QD) GWH18QD-K6DNB2E/I GWH18QD-K6DNC4A/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 132 Service Manual Description Front Panel Display Board Filter Sub-Assy Decorative Board Front Case Guide Louver Axile Bush Air Louver(Manual) Helicoid tongue Left Axile Bush Rear Case assy Rubber Plug (Water Tray) O-Gasket sub-assy of Bearing Ring of Bearing Evaporator Support Evaporator Assy Cross Flow Fan Fan Motor...
  • Page 133 Service Manual QE For some models The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 134 Service Manual Description Front Panel Assy Filter Sub-Assy Screw Cover Front Case Assy Swing Lever Air Louver Helicoid Tongue sub-assy Left Axile Bush Rear Case assy Rubber Plug (Water Tray) Ring of Bearing O-Gasket sub-assy of Bearing Cross Flow Fan Evaporator Support Evaporator Assy Wall Mounting Frame...

  • Page 135: Outdoor Unit

    Service Manual 10.2 Outdoor Unit GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O GWH18ALD-K6DNA1A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
  • Page 136 Service Manual Description Coping 4-Way Valve Assy Handle (Right) Sponge(Condenser) Temperature Sensor Support Condenser Assy Capillary Sub-assy/ Electric Expansion Valve Sub-Assy Sensor Insert Right Side Plate Earthing Plate Sub-Assy Wire Clamp Valve Cover Silencer Cut off Valve Sub-Assy Strainer Valve Support Compressor and Fittings Chassis Sub-assy Motor Support...
  • Page 137 Service Manual GWH07QA-K6DNC4A/O GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O 33 34 The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 138 Service Manual Description Coping Supporting Board(Condenser) 4-Way Valve Sponge(Condenser) Temperature Sensor Support Condenser Assy Capillary Sub-assy Sensor Insert Right Side Plate Earthing Plate Sub-assy Wire Clamp Handle Assy Silencer Cut-off valve 1/4(N) Cut-off valve 3/8(N) Valve Support 4-Way Valve Assy Compressor and Fittings Chassis Sub-assy Motor Support...
  • Page 139 Service Manual GWH18AFD-K6DNA2I/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
  • Page 140 Service Manual Description Description Top Cover Assy Compressor and Fittings Support Board(Condenser) Chassis Sub-assy 4-Way Valve Motor Support Sponge(Condenser) Brushless DC Motor Temperature Sensor Support Axial Flow Fan Condenser Assy Cabinet Temp Sensor Sleeving Front Grill Sensor Insert Drainage Joint(ODU) Right Side Plate Left Side Plate Earthing Plate Sub-Assy...
  • Page 141 Service Manual GWH18QD-K6DNA1D/O GWH24QE-K6DNA1E/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 142 Service Manual Description Front Grill Front Panel Drainage Connecter Chassis Sub-assy Drainage Joint Compressor and Fittings Magnet Coil 4-Way Valve Assy Cut off Valve Assy Cut off Valve Sub-Assy Valve support assy Right Side Plate Valve Support Handle Wire Clamp Rear Grill Condenser Assy Reactor...
  • Page 143 Service Manual GWH24ALD-K6DNA1B/O The component is only for rererence;please refer to the actual product Description Description Front Panel Assy Valve Support Block Front grill Valve Cover Front Panel handle Axial Flow Fan Sensor Insert Drainage hole Cap Temp Sensor Sleeving Chassis Sub-assy Condenser Assy Drainage Joint...
  • Page 144 Service Manual GWH24AFE-K6DNA2I/O 9 10 The component is only for rererence;please refer to the actual product Description Description Front Grill 4-Way Valve Assy Front Panel Condenser Assy Axial Flow Fan Clapboard Assy Chassis Sub-assy Motor Support Compressor and Fittings Brushless DC Motor Electronic Expansion Valve Top Cover Assy Right Side Plate...

  • Page 145: Removal Procedure

    11. Removal Procedure Service Manual 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. Step Procedure 1.Remove filter assembly Front panel Open the front panel. Push the left filter and right filter Front until they are separate from the groove on the front case panel.
  • Page 146 Service Manual Step Procedure 4. Remove detecting plate(wifi) and electric box cover2 Electric box cover 2 Remove the screws fixing detecting plate and remove detecting plate(wifi). Remove the screws fixing electric box cover 2 and remove electric box cover 2. Detecting plate(WIFI) Screw 5.
  • Page 147 Service Manual Step Procedure 7. Remove electric box assy Screw Clasps Loosen the connection clasps between shield cover of electric box sub-assy and 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 148 Service Manual Step Procedure 7.Remove evaporator assy Screw Evaporator assy Remove 3 screws fixing evaporator assy. C o n n e c t i o n Screw pipe clamp At the back of the unit, remove the screw fixing connection pipe clamp and then remove the connection pipe clamp.
  • Page 149 Service Manual Step Procedure 9. Remove motor and cross flow blade Screws Remove the screws fixing motor clamp and then remove the motor clamp. Motor clamp Cross flow Screw Motor Holder Remove the screws at the connection place of cross sub-assy flow blade and motor;...

  • Page 150: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant completely before removal. GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O GWH18ALD-K6DNA1A/O Step Procedure 1. Before disassembly 2. Remove big handle and valve cover big handle Remove the connection screw fixing the big handle and then remove the valve cover.
  • Page 151 Service Manual Step Procedure 4. Remove grille grille Remove connection screws between the front grille and the front panel. Then remove the grille. 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel.
  • Page 152 Service Manual Step Procedure 7. Remove axial flow blade axial flow blade Remove the nut on the blade and then remove the axial flow blade. 8. Remove motor and motor support motor support motor Remove the tapping screws fixing the motor and disconnect the leading wire insert of the motor.
  • Page 153 Service Manual Step Procedure 10. Remove isolation sheet Remove the screws fixing the isolation sheet and then remove the isolation sheet. isolation sheet 11. Remove compressor Unsolder the welding joint connecting the capillary, valves and the outlet pipe of condenser to remove the 4-way valve capillary.
  • Page 154 Service Manual GWH07QA-K6DNC4A/O GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Step Procedure 1. Before disassembly 2. Remove big handle and valve cover big handle Remove the connection screw fixing the big handle and then remove the valve cover. valve cover 3. Remove top cover top cover...
  • Page 155 Service Manual Step Procedure 4. Remove grille grille Remove connection screws between the front grille and the front panel. Then remove the grille. 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel.
  • Page 156 Service Manual Step Procedure 7. Remove axial flow blade axial flow blade Remove the nut on the blade and then remove the axial flow blade. 8. Remove motor and motor support motor support motor Remove the tapping screws fixing the motor and disconnect the leading wire insert of the motor.
  • Page 157 Service Manual Step Procedure 10. Remove isolation sheet Remove the screws fixing the isolation sheet and then remove the isolation sheet. isolation sheet 11. Remove compressor Unsolder the welding joint connecting the capillary, valves and the outlet pipe of condenser to remove the capillary.
  • Page 158 Service Manual Caution: discharge the refrigerant GWH18AFD-K6DNA2I/O completely before removal. Step Procedure 1. Before disassembly 2. Remove big handle and valve cover big handle Remove the screws fixing big handle, valve cover and then remove them. valve cover 3. Remove top cover top cover Remove the screws fixing top panel and then remove the top panel.
  • Page 159 Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. front panel 5. Remove right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right plate, and remove the right side plate assy.
  • Page 160 Service Manual Step Procedure 7. Remove electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard are removed and the electrical box assy are removed. 8. Remove motor Remove the screws fixing the motor and then remove the motor.
  • Page 161 Service Manual Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Discharge the refrigerant completely befor unsoldering;...
  • Page 162 Service Manual Step Procedure 13. Remove isolation sheet electric expand Remove the screws fixing the isolation sheet and then valve fitting remove the isolation sheet. electric expansion valve sub-Assy welding joint 14. Remove clapboard assy clapboard assy Remove the screws fixing the clapboard assy and then remove the clapboard assy.
  • Page 163 Service Manual Caution: discharge the refrigerant GWH24ALD-K6DNA1B/O completely before removal. Step Procedure 1. Before disassembly 2. Remove valve cover valve cover Remove the connection screw and then remove the valve cover. 3. Remove big handle Remove the connection screw and then remove the big handle.
  • Page 164 Service Manual Step Procedure 4. Remove top cover top cover Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel. 5. Remove grille Remove connection screws between the front grille and the front panel.
  • Page 165 Service Manual Step Procedure 7. Remove right side plate right side plate Remove connection screws connecting the right side plate with the valve support and the electric box. Then remove the right side plate. 8. Remove the nut and gasket on the blade and then remove the axial flow blade gasket Remove the nut and gasket on the blade and then...
  • Page 166 Service Manual Step Procedure 10. Remove Electric Box Assy Remove screws fixing the electric box subassembly; loosen the wire bundle and unplug the wiring terminals. Then lift the electric box to remove it. Electric Box Assy 11. Remove isolation sheet Remove the screws fixing the isolation sheet and then remove the isolation sheet.
  • Page 167 Service Manual Step Procedure 13. Remove left side plate Remove the screws fixing the left side plate and then remove the left side plate. left side plate 14. Remove condenser sub-assy Remove the screws fixing the Remove condenser sub- assy and then remove the Remove condenser sub- condenser sub-assy assy.
  • Page 168 Service Manual GWH24AFE-K6DNA2I/O Step Procedure 1. Remove handle handle TRemove the screw fixing the handle and then remove screw the handle. 2. Remove valve cover screw Remove the screw fixing the valve cover and then remove the valve cover. valve cover 3.
  • Page 169 Service Manual Step Procedure 4. Remove grille grille Remove the screws fixing the grille and then remove the panel grille. screws 5. Remove front panel front panel screws Remove screws fixing the front panel and then remove the front panel. screws 6.
  • Page 170 Service Manual Step Procedure 7. Remove electric box assy screws electric box assy Remove the screws fixing the electricbox; loosen the wire bundle; pull out the wiring terminals and then pull electric boxupwards to remove it. 8. Remove axial flow blade axial flow blade Remove nut fixing the blade and then remove the...
  • Page 171 Service Manual Step Procedure 10. Remove motor support motor support Remove screws fixing the motor support and then remove the motor support. screws 11. Remove cut off valve and valve support sub-assy Remove screws fixing the cut off valve and then remove the cut off valve;...
  • Page 172 Service Manual Step Procedure left side plate 13. Remove left side plate Remove the screws fixing the left side plate and the chassis, and then remove the left side plate. screws 14. Remove 4-way valve assy and electronic expansion valve assy 4-way valve assy Unsolder the welding joints connecting electronic expansion valve assy the 4-way valve assy with...
  • Page 173 Service Manual Step Procedure 16. Remove compressor compressor Remove the 3 foot nuts on the compressor and then remove the compressor. foot nuts Installation and Maintenance...
  • Page 174 Service Manual Caution: discharge the refrigerant GWH18QD-K6DNA1D/O GWH24QE-K6DNA1E/O completely before removal. Step Procedure 1. Remove top panel Handle Twist off the screws used for fixing the handle and valve cover, pull the handle and valve cover up ward to remove it. Valve cover Top cover Remove the 3 screws connecting the top panel with the...
  • Page 175 Service Manual Step 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.
  • Page 176 Service Manual Step Procedure 4. Remove axial flow blade Axial flow blade Remove the nut fixing axial flow blade and then remove the blade. 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 177 Service Manual Step Procedure 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting isolation plate the isolation plate and chassis, and then remove the isolation plate. 8 . R e m o v e 4 - w a y v a l v e a s s y a n d e l e c t r o n i c expansion valve assy 4-way valve assy Unsolder the welding joints connecting electronic...
  • Page 178 Service Manual Step Procedure 11.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. 12.Remove condenser sub-assy R e m o v e t h e s c r e w s c o n n e c t i n g t h e s u p p o r t (condenser) and condenser assy,and then remove the...

  • Page 179: Appendix

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

  • Page 180: Appendix 3: Pipe Expanding Method

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

  • Page 181: 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 Units(15K) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90 36.32...
  • Page 182 JF00304595 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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