Gree GWH07AGAXB-K6DNA1A User manual

Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Service Manual
Table of Contents
Table of Contents
Part I : Technical Information ..................................... 2
1. Summary......................................................................... 2
2. Specications............................................................... 4
2.1 Specication Sheet..................................................................................................4
2.2 Capacity Variation Ratio According to Temperature .................................10
2.3 Cooling and Heating Data Sheet in Rated Frequency............................... 11
3. Outline Dimension Diagram................................. 12
3.1 Indoor Unit ................................................................................................................12
3.2 Outdoor Unit.............................................................................................................13
4. Refrigerant System Diagram ............................... 15
5. Electrical Part ............................................................. 16
5.1 Wiring Diagram .......................................................................................................16
5.2 PCB Printed Diagram............................................................................................19
6. Function and Control .............................................. 25
6.1 Remote Controller Introduction ........................................................................25
6.2 Brief Description of Models and Functions..................................................30
6.3 GREE+ App Operation Manual ..........................................................................33
6.4 Ewpe Smart App Operation Manual.................................................................34
Part II : Installation and Maintenance .................. 35
7. Notes for Installation and Maintenance.......... 35
8. Installation ................................................................... 40
8.1 Installation Dimension Diagram........................................................................40
8.2 Installation Parts-checking ................................................................................42
8.3 Selection of Installation Location.....................................................................42
8.4 Electric Connection Requirement ....................................................................42

Service Manual
Table of Contents
8.5 Installation of Indoor Unit....................................................................................43
8.6 Installation of Outdoor unit.................................................................................45
8.7 Vacuum Pumping and Leak Detection............................................................47
8.8 Check after Installation and Test operation..................................................47
9. Maintenance................................................................ 48
9.1 Error Code List........................................................................................................48
9.2 Procedure of Troubleshooting ..........................................................................53
9.3 Troubleshooting for Normal Malfunction ......................................................67
10. Exploded View and Parts List........................... 69
10.1 Indoor Unit..............................................................................................................69
10.2 Outdoor Unit ..........................................................................................................75
11. Removal Procedure ............................................... 85
11.1 Removal Procedure of Indoor Unit ................................................................85
11.2 Removal Procedure of Outdoor Unit.............................................................90
Appendix ......................................................................... 110
Appendix 1: Reference Sheet of Celsius and Fahrenheit.............................110
Appendix 2: Conguration of Connection Pipe ...............................................110
Appendix 3: Pipe Expanding Method................................................................... 111
Appendix 4: List of Resistance for Temperature Sensor..............................112

2Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
A1 Panel:
Remote Controller:
YAP1F7(WiFi)
GWH07AGAXB-K6DNA1A/O
GWH09AGCXB-K6DNA1A/O GWH21AGEXF-K6DNA1A/O
GWH24AGEXF-K6DNA1A/O
GWH28AGEXH-K6DNA1A/O GWH18AGDXE-K6DNA1A/O

3
Technical Information
Service Manual
Model list:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
1 GWH07AGAXB-K6DNA1A CB385012200 GWH07AGAXB-K6DNA1A/I CB385N12200 GWH07AGAXB-K6DNA1A/O CB385W12200
2 GWH09AGCXB-K6DNA1A CB385012100 GWH09AGCXB-K6DNA1A/I CB385N12100 GWH09AGCXB-K6DNA1A/O CB385W12100
3 GWH18AGDXE-K6DNA1A CB385012900 GWH18AGDXE-K6DNA1A/I CB385N12900 GWH18AGDXE-K6DNA1A/O CB385W12900
4 GWH21AGEXF-K6DNA1A CB385014100 GWH21AGEXF-K6DNA1A/I CB385N14100 GWH21AGEXF-K6DNA1A/O CB385W14100
5 GWH24AGEXF-K6DNA1A CB385013900 GWH24AGEXF-K6DNA1A/I CB385N13900 GWH24AGEXF-K6DNA1A/O CB385W13900
6 GWH28AGEXH-K6DNA1A CB385014300 GWH28AGEXH-K6DNA1A/I CB385N14300 GWH28AGEXH-K6DNA1A/O CB385W14300

4Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH07AGAXB-K6DNA1A GWH09AGCXB-K6DNA1A
Product Code CB385012200 CB385012100
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 2250 2650
Heating Capacity W 2700 3200
Cooling Power Input W 600 575
Heating Power Input W 720 745
Cooling Current Input A 3.1 2.95
Heating Current Input A 3.8 3.95
Rated Input W 1250 1350
Rated Cooling Current A 4.9 5.65
Rated Heating Current A 5.65 6
Air Flow Volume m3/h 520/470/450/420/310/290/250 740/630/560/490/420/390/360
Dehumidifying Volume L/h 0.6 0.8
EER W/W 3.75 4.6
COP W/W 3.75 4.3
SEER W/W / 4.3
HSPF W/W / /
Application Area m210-16 12-18
Indoor Unit
Model GWH07AGAXB-K6DNA1A/I GWH09AGCXB-K6DNA1A/I
Product Code CB385N12200 CB385N12100
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ93X505 Ф98×630
Cooling Speed r/min 1300/1200/1120/1050/920/800/750 1350/1200/1100/1000/850/750/650
Heating Speed r/min 1300/1200/1120/1050/950/850/800 1200/1100/1040/950/900/880/850
Fan Motor Power Output W 20 15
Fan Motor RLA A 0.22 0.22
Fan Motor Capacitor μF 1 /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Ф5
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 509×22.8×266.7 634×22.8×304.8
Swing Motor Model MP24AK MP24BA MP24HF MP24HF MP24AK MP24BA
Swing Motor Power Output W 1.5/1.5/1.5 1.5 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:39/36/34/32/28/23/22
Heating:39/36/33/31/29/25/23
Cooling:42/37/36/32/28/24/20
Heating:39/36/33/31/29/28/27
Sound Power Level dB (A) Cooling:55/52/50/48/44/39/38
Heating:55/52/49/47/45/41/39
Cooling:57/52/51/47/43/39/35
Heating:57/52/49/47/45/44/43
Dimension (WXHXD) mm 704×260×185 825×293×196
Dimension of Carton Box (LXWXH) mm 748×316×247 870×349×257
Dimension of Package (LXWXH) mm 753×332×258 875×365×268
Net Weight kg 7.5 9.5
Gross Weight kg 9 11.5

5
Technical Information
Service Manual
2. Specications
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH07AGAXB-K6DNA1A/O GWH09AGCXB-K6DNA1A/O
Outdoor Unit Product Code CB385W12200 CB385W12100
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXF-A082zC170 QXF-A082zC170
Compressor Oil ZE-G;ES RB68GX or equivalent ZE-G;ES RB68GX or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A 15.00 15.00
Compressor RLA A 2.56 2.56
Compressor Power Input W 756.6 756.6
Compressor Overload Protector / /
Throttling Method Capillary Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC -10~50 -10~50
Heating Operation Ambient Temperature Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7Φ7
Condenser Rows-n Gap mm 1-1.2 2-1.4
Condenser Coil Length (LXDXW) mm 666×19.05×527 666×38.1×527
Fan Motor Speed rpm 850 850
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.40 0.4
Fan Motor Capacitor μF / 2.5
Outdoor Unit Air Flow Volume m3/h 1950 1950
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ400 Φ400
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 50/-/- 50/-/-
Sound Power Level (H/M/L) dB (A) 60/-/- 61/-/-
Dimension(WXHXD) mm 732×555×330 732×555×330
Dimension of Carton Box (LXWXH) mm 791×373×590 791×373×590
Dimension of Package(LXWXH) mm 794×376×615 794×376×615
Net Weight kg 24 26.5
Gross Weight kg 26.5 29
Refrigerant R32 R32
Refrigerant Charge kg 0.46 0.65
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 3/8 3/8
Max Distance Height m 10 10
Max Distance Length m 15 15
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Model GWH28AGEXH-K6DNA1A GWH21AGEXF-K6DNA1A
Product Code CB385014300 CB385014100
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 8500 6400
Heating Capacity W 9000 7400
Cooling Power Input W 2297 1542
Heating Power Input W 2647 1805
Cooling Current Input A 10.4 11.5
Heating Current Input A 12 11
Rated Input W 3650 2600
Rated Cooling Current A 18.5 12.5
Rated Heating Current A 16.5 12.5
Air Flow Volume m3/h 1300/1050/1000/900/800/750/700/500 1300/1100/1050/950/900/850/800/700
Dehumidifying Volume L/h 3 2.5
EER W/W 3.7 4.15
COP W/W 3.4 4.10
SEER W/W / /
HSPF W/W / /
Application Area m232-50 27-42
Indoor Unit
Model GWH28AGEXH-K6DNA1A/I GWH21AGEXF-K6DNA1A/I
Product Code CB385N14300 CB385N14100
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ108×830 Ф98×630
Cooling Speed r/min 1400/1150/1100/1000/900/850/800//600 1400/1150/1100/1000/900/850/800/650
Heating Speed r/min 1400/1200/1100/1000/900/800/750/- 1400/1200/1100/1000/900/800/750/-
Fan Motor Power Output W 60 60
Fan Motor RLA A 0.38 0.28
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Ф7
Evaporator Row-n Gap mm 2-1.4 2-1.3
Evaporator Coil Length
(LXDXW) mm 850×25.4×342.9 850×25.4×342.9
Swing Motor Model MP24HF/MP24AK/MP24HF MP24HF/MP24AK/MP24HF
Swing Motor Power Output W 1.5/1.5/1.5 1.5/1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:49/43/42/39/37/35/32/30
Heating:48/43/41/37/34/31/29/-
Cooling:49/43/41/38/35/33/29/27
Heating:39/36/33/31/29/28/27/-
Sound Power Level dB (A) Cooling:65/59/58/55/53/51/48/46
Heating:64/59/57/53/50/47/45/-
Cooling:62/55/53/50/47/45/41/39
Heating:57/52/49/47/45/44/43/-
Dimension (WXHXD) mm 1075×333×246 1075×333×246
Dimension of Carton Box
(LXWXH) mm 1128×406×323 1128×406×323
Dimension of Package (LXWXH) mm 1133×414×333 1133×414×333
Net Weight kg 16 16
Gross Weight kg 19 19

7
Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH28AGEXH-K6DNA1A/O GWH21AGEXF-K6DNA1A/O
Outdoor Unit Product Code CB385W14300 CB385W14100
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXFS-B238zX070 QXFS-M180zX170
Compressor Oil / /
Compressor Type Rotary Rotary
Compressor LRA. A 27.00 24.00
Compressor RLA A 4.30 3.50
Compressor Power Input W 2020 1350
Compressor Overload Protector / HPC 115/95U1 KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC -10~50 -10~50
Heating Operation Ambient Temperature Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7.94 Φ7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 955X38.1X704 890×38.1×616
Fan Motor Speed rpm 850 880
Fan Motor Power Output W 90 60
Fan Motor RLA A 0.70 0.65
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 4500 3800
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ570 Φ520
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 62/-/- 58/-/-
Sound Power Level (H/M/L) dB (A) 72/-/- 67/-/-
Dimension(WXHXD) mm 1000×746×427 958×660×402
Dimension of Carton Box (LXWXH) mm 1077×480×785 1029×453×715
Dimension of Package(LXWXH) mm 1080×483×810 1032×456×737
Net Weight kg 51.5 42.5
Gross Weight kg 56.5 47
Refrigerant R32 R32
Refrigerant Charge kg 1.7 1.3
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 40 16
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 5/8 1/2
Max Distance Height m 10 10
Max Distance Length m 25 25
Note: The connection pipe applies metric diameter.

8Technical Information
Service Manual
Model GWH18AGDXE-K6DNA1A GWH24AGEXF-K6DNA1A
Product Code CB385012900 CB385013900
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 5000 7100
Heating Capacity W 6000 8000
Cooling Power Input W 1290 1844
Heating Power Input W 1460 2000
Cooling Current Input A 6 8.1
Heating Current Input A 6.5 8.8
Rated Input W 2300 3200
Rated Cooling Current A 10 14.5
Rated Heating Current A 10 13.5
Air Flow Volume m3/h 1050/910/870/830/770/660/600 1300/1050/1000/900/820/750/650
Dehumidifying Volume L/h 1.8 2.5
EER W/W 3.87 3.85
COP W/W 4.1 4.00
SEER W/W / /
HSPF W/W / /
Application Area m223-34 27-42
Indoor Unit
Model GWH18AGDXE-K6DNA1A/I GWH24AGEXF-K6DNA1A/I
Product Code CB385N12900 CB385N13900
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф106X739 Ф108×830
Cooling Speed r/min 1400/1200/1120/1050/980/860/750 1400/1150/1100/1000/900/850/800/650
Heating Speed r/min 1400/1200/1120/1050/950/850/750 1400/1200/1100/1000/900/800/750/-/-
Fan Motor Power Output W 50 60
Fan Motor RLA A 0.25 0.28
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Ф7
Evaporator Row-n Gap mm 2-1.4 2-1.3
Evaporator Coil Length
(LXDXW) mm 715×25.4×304.8 850×25.4×342.9
Swing Motor Model MP35CP MP24AK/MP24HF/MP24HF
Swing Motor Power Output W 2.5 1.5/1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:46/41/39/37/35/32/27
Heating:48/43/41/39/35/32/28
Cooling:50/44/43/40/36/34/32/30
Heating:50/45/42/39/36/34/32/-
Sound Power Level dB (A) Cooling:62/57/55/63/51/48/43
Heating:58/53/51/49/45/42/38
Cooling:66/60/59/56/52/50/48/46
Heating:66/61/58/55/52/50/48/-
Dimension (WXHXD) mm 982X311X221 1075×333×246
Dimension of Carton Box
(LXWXH) mm 1039X377X287 1128×406×323
Dimension of Package (LXWXH) mm 1044X385X297 1133×414×333
Net Weight kg 13 16
Gross Weight kg 15.5 19