Gree GWH09QA-K6DND6A Service Manual

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Service Manual

GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GWH09QA-K6DND6A

Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
Page 2: Table Of Contents
6. Function and Control ..........68 6.1 Remote Controller Introduction ................68 6.2 Brief Description of Models and Functions ..........85 6.3 GREE+ App Operation Manual ................94 6.4 Ewpe Smart App Operation Manual ..............95 Part Ⅱ : Installation and Maintenance ....96 7.
Page 3 Service Manual 8.5 Installation of Indoor Unit ..................104 8.6 Installation of Outdoor unit ................106 8.7 Vacuum Pumping and Leak Detection ............107 8.8 Check after Installation and Test operation ..........108 9. Maintenance .............. 109 9.1 Error Code List ......................109 9.2 Procedure of Troubleshooting ................
Page 4: Part Ⅰ : Technical Information
1. Summary Service Manual Indoor Unit: A1 panel A5 panel B2 panel B4 panel B6 panel B8 panel C2 panel C4 panel C6 panel D6 panel D8 panel E2 panel Technical Information...
Page 5 Service Manual E4 panel E6 panel Outdoor Unit: GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O GWH18ALD-K6DNA1A/O GWH12AGC-K6DNA1A/O GWH18AFD-K6DNA2I/O GWH18ACDXF-K6DNA1A/O GWH24AFE-K6DNA2I/O GWH24ALD-K6DNA1B/O GWH24ALE-K6DNA2B/O Technical Information...
Page 6: Specifications
TIMER TIMER YAP1F2(WiFi) YAC1FB9(WiFi) YAN1F6(WiFi) YAA1FB6(WiFi) Model list: Indoor Outdoor Remote Model Product code Indoor model Outdoor model product code product code Controller GWH09QA-K6DND6A CB460011600 GWH09QA-K6DND6A/I CB460N11600 GWH09QA-K6DNC4A CB444013801 GWH09QA-K6DNC4A/I CB444N13801 YAN1F6 GWH09AGA-K6DNA1A/O CB385W01000 GWH09QA-K6DNC2A CB439018201 GWH09QA-K6DNC2A/I CB439N18201 (WiFi) GWH09QA-K6DNA5A...
Page 7 Service Manual Indoor Outdoor Remote Model Product code Indoor model Outdoor model product code product code Controller GWH24QD-K6DNE4B CB470008200 GWH24QD-K6DNE4B/I CB470N08200 GWH24QD-K6DNB2B CB432026701 GWH24QD-K6DNB2B/I CB432N26701 GWH24QD-K6DNB4B CB434024200 GWH24QD-K6DNB4B/I CB434N24200 GWH24QD-K6DNE4B CB470008201 GWH24QD-K6DNE4B/I CB470N08201 GWH24QD-K6DNB4B CB434024201 GWH24QD-K6DNB4B/I CB434N24201 GWH24ALD-K6DNA1B/O CB513W02200 GWH24QD-K6DNB2B CB432026702 GWH24QD-K6DNB2B/I CB432N26702...
Page 8: Specification Sheet
Service Manual 2.1 Specification Sheet 1.GWH09QA-K6DND6A 2.GWH09QA-K6DNC4A Model 3.GWH09QA-K6DNC2A 4.GWH09QA-K6DNA5A 1.CB460011600 2.CB444013801 Product Code 3.CB439018201 4.CB425018300 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 2500 Heating Capacity 2800 Cooling Power Input Heating Power Input...
Page 9 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 10 Service Manual Model GWH09QC-K6DNA5F Product Code CB425018000 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 Rated Heating Current Air Flow Volume...
Page 11 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 12 Service Manual 1.GWH09QCXB-K6DNC2F Model GWH09QC-K6DNC4F 2.GWH09QCXB-K6DNA1F 1.CB439018901 Product Code CB444013401 2.CB419019001 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2700 2700 Heating Capacity 3000 3000 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1400...
Page 13 Service Manual Outdoor Unit Model GWH09AFC-K6DNA2F/O(LCLH) Outdoor Unit Product Code CB363W02901 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 14 Service Manual 1.GWH12QB-K6DND6A 2.GWH12QB-K6DNA5A Model 3.GWH12QB-K6DNC2A 1.CB460011700 2.CB425018500 Product Code 3.CB439018301 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3200 Heating Capacity 3400 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1500 Rated Cooling Current...
Page 15 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 16 Service Manual 1.GWH12QC-K6DNC4A 2.GWH12QC-K6DNE4A Model 1.CB444014800 2.CB470008500 Product Code 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 4.15 Cooling Current Input 3.86 Heating Current Input 1500 Rated Input Rated Cooling Current...
Page 17 Service Manual Outdoor Unit Model GWH12AGC-K6DNA1A/O Outdoor Unit Product Code CB385W02400 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 16~30...
Page 18 Service Manual Model GWH12QC-K6DNA5F Product Code CB425016201 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 Rated Heating Current Air Flow Volume...
Page 19 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 20 Service Manual 1.GWH12QCXB-K6DNA1F Model GWH12QC-K6DNC4F 2.GWH12QCXB-K6DNC2F 1.CB419019200 Product Code CB444013502 2.CB439018800 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 3510 3510 Heating Capacity 3810 3810 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1550...
Page 21 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 22 Service Manual 1.GWH18QD-K6DNB2E 2.GWH18QD-K6DNB4E Model 3.GWH18QD-K6DNA1A 4.GWH18QD-K6DNC4A 5.GWH18QD-K6DNC2A 1.CB432026601 2.CB434024100 Product Code 3.CB419018700 4.CB444013701 5.CB439018402 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...
Page 23 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 24 Service Manual 1.GWH18QD-K6DNB4E 2.GWH18QD-K6DNB2E 3.GWH18QD-K6DNE4A 4.GWH18QDXB-K6DND8E 5.GWH18QD-K6DNC2A 6.GWH18QDXB-K6DNA5A Model 7.GWH18QDXB-K6DNE6A 8.GWH18QDXB-K6DNB8A 9.GWH18QDXB-K6DNE2A 10.GWH18QDXB-K6DNC6A 11.GWH18QDXB-K6DNB6A 12.GWH18QDXB-K6DNE6A 1.CB434024101 2.CB432026602 3.CB470008301 4.CB459009600 Product Code 5.CB439018401 6.CB425018400 7.CB465005400 8.CB438015300 9.CB462002900 10.CB443011100 11.CB435015600 12.CB465005401 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 4600...
Page 25 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 26 Service Manual 1.GWH18QD-K6DNB8I GWH18QD-K6DNC4I Model 2.GWH18QD-K6DND6I 1.CB438014004 CB444013301 Product Code 2.CB460011500 220-240 220-240 Rated Voltage Power Rated Frequency Supply Phases Outdoor Outdoor Power Supply Mode 5200 5200 Cooling Capacity 5600 5600 Heating Capacity 1576 1576 Cooling Power Input 1436 1436 Heating Power Input Cooling Current Input Heating Current Input...
Page 27 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 28 Service Manual 1.GWH18QDXD-K6DNC2I 1.GWH18QD-K6DNC4I Model 2.GWH18QDXD-K6DNA1I 2.GWH18QDXD-K6DNE6I 1.CB439018601 1.CB444013302 Product Code 2.CB419019101 2.CB465005701 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 5200 5200 Heating Capacity 5600 5600 Cooling Power Input 1576 1576 Heating Power Input 1436 1436...
Page 29 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 30 Service Manual 1.GWH18QDXF-K6DNB2A Model 2.GWH18QDXF-K6DNA5A 1.CB432027900 Product Code 2.CB425018100 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 5300 Heating Capacity 5600 Cooling Power Input 1413 Heating Power Input 1333 Cooling Current Input Heating Current Input Rated Input 2500 Rated Cooling Current...
Page 31 Service Manual Outdoor Unit Model GWH18ACDXF-K6DNA1A/O Outdoor Unit Product Code CB497W16900 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model FTz-SM151AXBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 6.06 Compressor Power Input 1330 Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range...
Page 32 Service Manual 1.GWH24QD-K6DNB2B Model GWH24QD-K6DNE4B 2.GWH24QD-K6DNB4B 1.CB432026701 Product Code CB470008200 2.CB434024200 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 6200 6200 Heating Capacity 6500 6500 Cooling Power Input 1827 1827 Heating Power Input 1912 1912 Cooling Current Input...
Page 33 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 34 Service Manual Model GWH24QD-K6DNE4B GWH24QDXE-K6DNA5B Product Code CB470008201 CB425018600 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 6200 6200 Heating Capacity 6500 6500 Cooling Power Input 1827 1827 Heating Power Input 1912 1912 Cooling Current Input Heating Current Input...
Page 35 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 36 Service Manual 1.GWH24QD-K6DNB4B 2.GWH24QD-K6DNB2B Model 3.GWH24QDXE-K6DND8B 4.GWH24QDXE-K6DNE6B 5.GWH24QD-K6DNC2B 1.CB434024201 2.CB432026702 Product Code 3.CB459009500 4.CB465005200 5.CB439018501 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...
Page 37 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 38 Service Manual 1.GWH24QE-K6DNB2B Model GWH24QE-K6DNC4B 2.GWH24QEXE-K6DNB8B 1.CB432027500 Product Code CB444014600 2.CB438014800 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 6200 6200 Heating Capacity 6500 6500 Cooling Power Input 1771 1771 Heating Power Input 1646 1646 Cooling Current Input...
Page 39 Service Manual Outdoor Unit Model GWH24ALE-K6DNA2B/O Outdoor Unit Product Code CB532W01300 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 40 Service Manual 1.GWH24QE-K6DNA5K Model GWH24QEXF-K6DNC2I 2.GWH24QE-K6DNB2K 1.CB425018200 Product Code CB439018702 2.CB432028100 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 7100 7100 Heating Capacity 7800 7800 Cooling Power Input 2030 2030 Heating Power Input 2000 2000 Cooling Current Input...
Page 41 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 42 Service Manual 1.GWH24QE-K6DNC4I 2.GWH24QE-K6DNA1I Model 3.GWH24QEXF-K6DNC2I 1.CB444014701 2.CB419018901 Product Code 3.CB439018701 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...
Page 43 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 44 Service Manual 1.GWH24QE-K6DNC4I Model GWH24QE-K6DNE4I 2.GWH24QEXF-K6DNE6I 1.CB444014702 Product Code CB470008401 2.CB465005601 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 7100 7100 Heating Capacity 7800 7800 Cooling Power Input 2030 2030 Heating Power Input 2000 2000 Cooling Current Input...
Page 45 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 46: 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 GWH18QDXF-K6DN*** 9/12K GWH18QDXF-K6DN*** 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 Heating operation ambient temperature range is -25ºC~30ºC Cooling...
Page 47 Service Manual Heating operation ambient temperature range is -15ºC~24ºC Heating Cooling 09/18/24K 09/18/24K Conditions Condition Indoor:DB27°C WB19°C Indoor:DB20°C Indoor air flow: High Indoor air flow:Super High Pipe length:5m Pipe length:5m Outdoor temp.(°C) Outdoor temp.(°C) Heating Cooling 120% 100% Condition Conditions Indoor:DB27°C WB19°C Indoor air flow: Indoor:DB20°C...
Page 48: 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 49: 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 Technical Information...
Page 50: Outdoor Unit
Service Manual 3.2 Outdoor Unit GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O GWH18ALD-K6DNA1A/O Unit:mm GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O GWH12AGC-K6DNA1A/O Unit:mm Technical Information...
Page 51 Service Manual GWH18AFD-K6DNA2I/O Unit:mm 512.5 GWH24ALD-K6DNA1B/O GWH24ALE-K6DNA2B/O Unit:mm Technical Information...
Page 52 Service Manual GWH18ACDXF-K6DNA1A/O GWH24AFE-K6DNA2I/O Unit:mm Technical Information...
Page 53: Refrigerant System Diagram
4. Refrigerant System Diagram Service Manual GWH12AFC-K6DNA2F/O GWH18AFD-K6DNA2I/O GWH18ACDXF-K6DNA1A/O GWH24AFE-K6DNA2I/O Indoor unit Outdoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Electric Strainer expand valve COOLING HEATING...
Page 54: Electrical Part
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. ● Indoor Unit GWH12QB-K6DND6A/I GWH12QB-K6DNA5A/I GWH12QB-K6DNC2A/I GWH09QA-K6DND6A/I GWH09QA-K6DNC2A/I GWH09QA-K6DNA5A/I TUBE ROOM WIFI WIRED TEMP. TEMP.
Page 55 Service Manual GWH18QD-K6DND6I/I GWH18QDXD-K6DNC2I/I GWH18QDXD-K6DNA1I/I GWH18QDXF-K6DNB2A/I GWH18QDXF-K6DNA5A/I GWH24QE-K6DNA5K/I GWH24QE-K6DNB2K/I GWH24QE-K6DNE4I/I GWH24QE-K6DNC4I/I(CB444N14700) GWH24QE-K6DNA1I/I GWH24QEXF-K6DNC2I/I(CB439N18700) WARNING WIRED CONTROLLER Please don't touch any terminal RECEIVER AND WIFI when the machine is running , DISPLAY BOARD MODULE stopping or has been powered off for less than 3 minutes to prevent the risk of electric shock! CONNECTOR MAGNETIC...
Page 56 Service Manual GWH24QD-K6DNB2B/I(CB432N26701) GWH24QD-K6DNB4B/I(CB434N24200) WARNING (OPTIONAL) Please don't touch any terminal RECEIVER AND WIFI when the machine is running , DISPLAY BOARD MODULE stopping or has been powered off for less than 3 minutes to prevent the risk of electric shock! CONNECTOR MAGNETIC TERMINAL...
Page 57 Service Manual GWH18QD-K6DNC4I/I(CB444N13301) GWH24QD-K6DNB4B/I(CB434N24201) GWH24QD-K6DNB2B/I(CB432N26702) GWH24QDXE-K6DND8B/I GWH24QDXE-K6DNE6B/I GWH24QEXF-K6DNE6I/I GWH18QDXD-K6DNE6I/I GWH24QEXF-K6DNC2I/I(CB439N18702) WARNING (OPTIONAL) Please don't touch any terminal RECEIVER AND WIFI when the machine is running , DISPLAY BOARD MODULE stopping or has been powered off for less than 3 minutes to prevent the risk of electric shock! CONNECTOR MAGNETIC...
Page 58 Service Manual GWH24QD-K6DNE4B/I(CB470N08201) GWH24QDXE-K6DNA5B/I GWH24QD-K6DNC2B/I WARNING (OPTIONAL) Please don't touch any terminal RECEIVER AND WIFI when the machine is running , DISPLAY BOARD MODULE stopping or has been powered off for less than 3 minutes to prevent the risk of electric shock! CONNECTOR MAGNETIC TERMINAL...
Page 59 Service Manual GWH09QC-K6DNC4F/I GWH12QC-K6DNC4A/I GWH12QC-K6DNE4A/I GWH12QC-K6DNC4F/I TUBE ROOM WIFI WIRED TEMP. TEMP. RECEIVER AND MODULE CONTROLLER SENSOR SENSOR DISPLAY BOARD DISPLAY MAGNETIC TERMINAL RING COM-MANUAL T-SENSOR DISP1 DISP2 WIFI BLOCK N(1) COM-OUT JUMP PRINTED CIRCUIT BOARD AC-L(L) YEGN CONNECTING DRY-C YEGN CABLE (DOOR-C)
Page 60 Service Manual GWH18QD-K6DNA1A/I GWH18QD-K6DNC4A/I GWH18QD-K6DNC2A/I(CB439N18402) WIFI TUBE ROOM MODULE TEMP. RECEIVER AND TEMP. DISPLAY BOARD FAN MOTOR SENSOR SENSOR MAGNETIC TERMINAL RING BLOCK T-SENSOR DISP1 DISP2 WIFI N(1) COM-OUT PRINTED CIRCUIT BOARD JUMP AC-L(L) YEGN YEGN SWING-UD SWING-LR C0NNECTING CABLE HEALTH-L HEALTH-N EVAPORATOR COLD PLASMA...
Page 61 Service Manual GWH18QD-K6DNB4E/I(CB434N24101) GWH18QD-K6DNB2E/I(CB432N26602) GWH18QDXB-K6DND8E/I GWH18QDXB-K6DNE6A/I(CB465N05400/CB465N05401) GWH18QDXB-K6DNB8A/I GWH18QDXB-K6DNE2A/I GWH18QDXB-K6DNC6A/I GWH24QE-K6DNC4B/I TUBE ROOM WIFI TEMP. TEMP. RECEIVER AND MODULE SENSOR SENSOR DISPLAY BOARD DISPLAY MAGNETIC TERMINAL RING T-SENSOR DISP1 DISP2 WIFI BLOCK N(1) COM-OUT JUMP PRINTED CIRCUIT BOARD AC-L(L) YEGN CONNECTING YEGN CABLE SWING-UD...
Page 62 Service Manual ● Outdoor Unit GWH09AFC-K6DNA2F/O GWH12AFC-K6DNA2F/O WARNING OPTIONAL OPTIONAL OPTIONAL Please don't touch any Bottom 4-WAY ELECTRONIC OUTROOM OUTTUBE EXHAUST terminal when the machine is EXPANSION Band VALVE TEMP. TEMP. TEMP. running ,stopping or has been VALVE Heater SENSOR SENSOR SENSOR powered off for less than 30...
Page 63 Service Manual GWH12AGC-K6DNA1A/O WARNING OPTIONAL OPTIONAL 4-WAY ELECTRONIC Please don't touch any OUTROOM EXHAUST OUTTUBE EXPANSION VALVE terminal when the machine is TEMP. TEMP. TEMP. VALVE running ,stopping or has been SENSOR SENSOR SENSOR powered off for less than 30 minutes to prevent the risk of electric shock ! MAGNETIC RING...
Page 64: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit 09/12K GWH18QD-K6DNA1A/I GWH18QD-K6DNB2E/I GWH18QD-K6DNB4E/I GWH18QD-K6DNC2A/I GWH18QD-K6DNC4A/I GWH18QD-K6DNE4A/I GWH24QE-K6DNB2B/I GWH24QE-K6DNC4B/I GWH18QDXB-K6DNA5A/I GWH18QDXB-K6DNB6A/I GWH18QDXB-K6DNB8A/I GWH18QDXB-K6DNC6A/I GWH18QDXB-K6DND8E/I GWH18QDXB-K6DNE2A/I GWH18QDXB-K6DNE6A/I GWH24QEXE-K6DNB8B/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...
Page 65 Service Manual GWH18QDXD-K6DNA1I/I GWH18QDXD-K6DNC2I/I GWH18QDXD-K6DNE6I/I GWH18QDXF-K6DNA5A/I GWH24QDXE-K6DNA5B/I GWH24QDXE-K6DND8B/I GWH24QDXE-K6DNE6B/I GWH24QEXF-K6DNC2I/I GWH24QD-K6DNB2B/I GWH18QD-K6DNC4I/I GWH24QE-K6DNA1I/I GWH24QD-K6DNE4B/I GWH24QE-K6DNA5K/I GWH24QD-K6DNC2B/I GWH24QE-K6DNB2K/I GWH24QE-K6DNC4I/I GWH24QE-K6DNE4I/I GWH18QD-K6DNB8I/I GWH18QD-K6DND6I/I GWH24QD-K6DNB4B/I GWH18QDXF-K6DNB2A/I GWH24QEXF-K6DNE6I/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...
Page 66: Outdoor Unit
Service Manual Outdoor Unit GWH09AFC-K6DNA2F/O GWH09AGA-K6DNA1A/O GWH12AFC-K6DNA2F/O GWH12AGB-K6DNA1A/O GWH12AGC-K6DNA1A/O 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 67 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 68 Service Manual GWH24ALD-K6DNA1B/O GWH24ALE-K6DNA2B/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 69 Service Manual GWH18ACDXF-K6DNA1A/O 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 70: 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 71 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 72 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 73: Function Introduction For Combination Buttons
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 74: Replacement Of Batteries In Remote Controller
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 75 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 76 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 77 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 78 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 79 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 80 Service Manual mode, the icon " " is displayed and the indoor fan will continue no display operation for a few minutes in order to dry the indoor unit even (horizontal louvers stops at current position) though you have turned off the unit. After energization, X-FAN OFF ●...
Page 81 Service Manual ● Before setting T-ON or T-OFF, please adjust the clock time. U n d e r o f f s t a t u s , p r e s s " M O D E " a n d " W i F i " b u t t o n s simultaneously for 1s, WiFi module will restore factory settings.
Page 82 Service Manual Under heat mode, press "TEMP" and "CLOCK" buttons 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.
Page 83 Service Manual NOTE: NOTICE: ● When you feel that the cooling and heating effect is poor, please ● During operation, point the remote control signal sender at press "FAN" button to other fan speed or press "SLEEP" button to the receiving window on indoor unit. exit the night mode.
Page 84: Introduction For Buttons On Remote Controller
Service Manual YAA1FB6(WiFi) Buttons on remote controller Introduction for buttons on remote controller 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 85 Service Manual OFF is defaulted. X-FAN is not available in AUTO, FAN or HEAT ● When selecting " " or no display with remote controller, mode. temperature indicator on indoor unit displays set temperature. This function indicates that moisture on evaporator of indoor unit ●...
Page 86 Service Manual Function introduction for combination buttons Replacement of batteries in remote controller Combination of "+" and "-" buttons: About Child lock Press " + " and " - " buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, is displayed.
Page 87: 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 88: Turbo Function
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 89 Service Manual Outdoor Unit(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 90 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 91 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 92 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 93: Communication Fault
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 94 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 95 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 96: 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 97: 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 98: 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 99: Safety Precautions For Installing And Relocating The Unit
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 100: Safety Operation Of Flammable Refrigerant
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 101: Safety Instructions For Transportation And Storage
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 102: Main Tools For Installation And Maintenance
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 103: 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 104: Installation Procedures
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 105: 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 106: 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 107 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 108: 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 109: Vacuum Pumping And Leak Detection
Service Manual 5. Connect Outdoor Electric Wire (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) GWH12AGB-K6DNA1A/O...
Page 110: 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 111: 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 112 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 113 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 114: Communication Malfunction
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 115 Service Manual If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Installation and Maintenance...
Page 116: 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 117 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 118 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 119 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 120 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 121 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 122 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 123 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 124 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 125 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 126 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 127 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 128 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 129 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 130: 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 131 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 132: 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 133 Service Manual Description Description Front Panel Assy Connecting pipe clamp Display Board Drainage Hose Front Case Assy Stepping Motor Axile Bush Crank Helicoid Tongue Electric Box Assy Left Axile Bush Terminal Board Rear Case assy Jumper Rubber Plug (Water Tray) Main Board O-Gasket sub-assy of Bearing Electric Box Cover Sub-Assy...
Page 134 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 135 Service Manual Description Description Front Panel Connecting pipe clamp Display Board Rubber Plug (Water Tray) Front Case Assy Stepping Motor Helicoid Tongue Crank Left Axile Bush Electric Box Assy Rear Case assy Axile Bush Drainage Hose Terminal Board Ring of Bearing Jumper O-Gasket sub-assy of Bearing Main Board...
Page 136 Service Manual QC for some model The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 137 Service Manual Description Description Front Panel Assy Stepping Motor Display Board Crank Front Case Assy Stepping Motor Guide Louver Air Louver Air Louver Electric Box Assy Swing Lever Air Louver Helicoid Tongue Axile Bush Rear Case Terminal Board Drainage Hose Jumper Ring of Bearing Main Board...
Page 138 Service Manual QC for some model The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 139 Service Manual Description Description Front Panel Rubber Plug (Water Tray) Display Board Stepping Motor Filter Sub-Assy Detecting plate(WIFI ) Front Case Assy Crank Helicoid Tongue Electric Box Assy Left Axile Bush Axile Bush Rear Case assy Terminal Board Drainage Hose Jumper Ring of Bearing Main Board...
Page 140 Service Manual 18K(QD) for some model: The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 141 Service Manual Description Description Decorative Strip Crank Front Panel Assy Stepping Motor Display Board Drainage hose Filter Sub-Assy Electric Box Assy Decorative Board (Left) Electric Box Front Case Terminal Board Guide Louver Jumper Axile Bush Main Board Air Louver 1 Electric Box Cover Helicoid tongue Air Louver...
Page 142 Service Manual 18K(QD) for some model: The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 143 Service Manual Description Description Decorative Strip Stepping Motor Front Panel Assy Drainage hose Display Board Electric Box Assy Filter Sub-Assy Lower Shield of Electric Box Decorative Board (Left) Electric Box Front Case Jumper Guide Louver Main Board Axile Bush Air Louver Air Louver 1 Stepping Motor Helicoid tongue...
Page 144 Service Manual 24K(QD) 18K(QD) for some model: The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 145 Service Manual Description Description Front Panel Wall Mounting Frame Display Board Connecting pipe clamp Filter Sub-Assy Crank Decorative Board Stepping Motor Front Case Drainage hose Guide Louver Electric Box Assy Axile Bush Electric Box Air Louver(Manual) Terminal Board Helicoid tongue Jumper Left Axile Bush Main Board...
Page 146 Service Manual QE For some models The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 147 Service Manual Description Description Front Panel Assy Air Louver 1 Filter Sub-Assy Air Louver 1 Screw Cover Stepping Motor Front Case Assy Guide Louver Swing Lever Axile Bush Air Louver Electric Box Helicoid Tongue sub-assy Terminal Board Left Axile Bush Electric Box Cover 2 Rear Case assy Main Board...
Page 148 Service Manual QE For some models Installation and Maintenance...
Page 149 Service Manual Description Description Front Panel Assy Drainage Hose Filter Sub-Assy Stepping Motor Screw Cover Crank Front Case Guide Louver Air Louver(Manual) Axile Bush Helicoid Tongue Electric Box Left Axile Bush Terminal Board Display Board Electric Box Cover2 Rear Case assy Main Board Rubber Plug (Water Tray) Shield Cover of Electric Box...
Page 150: 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 151 Service Manual Description Description Coping Chassis Sub-assy 4-Way Valve Assy Motor Support Handle (Right) Fan Motor Sponge(Condenser) Axial Flow Fan Temperature Sensor Support Cabinet Condenser Assy Front Grill Capillary Sub-assy/Electric Expansion Valve Drainage Joint(ODU) Sub-Assy Left Side Plate Sensor Insert Clapboard Right Side Plate Electric Box Assy...
Page 152 Service Manual GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O GWH12AGC-K6DNA1A/O 33 34 The component is only for reference;please refer to the actual product. Installation and Maintenance...
Page 153 Service Manual Description Description Coping Compressor and Fittings Supporting Board(Condenser) Chassis Sub-assy 4-Way Valve Motor Support Sponge(Condenser) Brushless DC Motor Temperature Sensor Support Axial Flow Fan Condenser Assy Cabinet Capillary Sub-assy Front Grill Sensor Insert Drainage Joint(ODU) Right Side Plate Left Side Plate Earthing Plate Sub-assy Clapboard...
Page 154 Service Manual GWH18AFD-K6DNA2I/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
Page 155 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 156 Service Manual GWH24ALD-K6DNA1B/O GWH24ALE-K6DNA2B/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 157 Service Manual GWH24AFE-K6DNA2I/O GWH18ACDXF-K6DNA1A/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...
Page 158: 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 159 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 160 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 161 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 162 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 163: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant completely before removal. GWH12AFC-K6DNA2F/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.
Page 164: Remove Front Panel
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 165 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 166 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 167 Service Manual GWH09AFC-K6DNA2F/O GWH18ALD-K6DNA1A/O 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 168 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 assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the...
Page 169 Service Manual Step Procedure 7. Remove motor support and motor Motor support Remove the screws fixing the motor support and lift the Motor motor support to remove it. Remove the screws fixing the motor and then remove the motor. 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
Page 170 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: Liquid valve Discharge the refrigerant completely befor unsoldering;...
Page 171: Before Disassembly
Service Manual GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O GWH12AGC-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 Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
Page 172 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 173 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 174 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 capillary Unsolder the welding joint connecting the capillary, valves and the outlet pipe of condenser to remove the capillary.
Page 175 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 176 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 177: Remove Motor
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 178 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 179 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 180 Service Manual Caution: discharge the refrigerant GWH24ALD-K6DNA1B/O GWH24ALE-K6DNA2B/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 181 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 182 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 183 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 184 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 185 Service Manual GWH24AFE-K6DNA2I/O GWH18ACDXF-K6DNA1A/O Step Procedure 1. Remove handle handle TRemove the screw fixing the handle and then remove screw the handle. 2. Remove valve cover Remove the screw fixing the valve cover and then screw remove the valve cover. valve cover 3.
Page 186 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 187 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 188 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 189 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 190 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 191: 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 192: 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 193: 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 194 JF00304919 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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