Gree GWH09YCXB-K6DNA1C 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 ..................................... 1
1. Summary......................................................................... 1
2.1 Specication Sheet..................................................................................................3
2.2 Capacity Variation Ratio According to Temperature .................................29
2.3 Cooling and Heating Data Sheet in Rated Frequency...............................30
3. Outline Dimension Diagram................................. 31
3.1 Indoor Unit ................................................................................................................31
3.2 Outdoor Unit.............................................................................................................32
4. Refrigerant System Diagram ............................... 34
5. Electrical Part ............................................................. 35
5.1 Wiring Diagram .......................................................................................................35
5.2 PCB Printed Diagram............................................................................................40
6. Function and Control .............................................. 46
6.1 Remote Controller Introduction for YAG1FB3(WiFi)..................................46
6.2 Remote Controller Introduction for YBE1FB6 .............................................51
6.3 Brief Description of Models and Functions..................................................56
6.4 GREE+ App Operation Manual ..........................................................................60
6.5 Ewpe Smart App Operation Manual.................................................................61
Part II : Installation and Maintenance ................... 62
7. Notes for Installation and Maintenance.......... 62
8. Installation ................................................................... 67
8.1 Installation Dimension Diagram........................................................................67
8.2 Installation Parts-checking ................................................................................69
8.3 Selection of Installation Location.....................................................................69
8.4 Electric Connection Requirement ....................................................................69

Service Manual
Table of Contents
8.5 Installation of Indoor Unit....................................................................................70
8.6 Installation of Outdoor Unit ................................................................................72
8.7 Vacuum Pumping and Leak Detection............................................................73
8.8 Check after Installation and Test Operation .................................................74
9. Maintenance................................................................ 75
9.1 Error Code List........................................................................................................75
9.2 Procedure of Troubleshooting ..........................................................................79
9.3 Troubleshooting for Normal Malfunction ......................................................93
10. Exploded View and Parts List........................... 95
10.1 Indoor Unit..............................................................................................................95
10.2 Outdoor Unit ........................................................................................................101
11. Removal Procedure ............................................. 109
11.1 Removal Procedure of Indoor Unit ..............................................................109
11.2 Removal Procedure of Outdoor Unit........................................................... 113
Appendix ......................................................................... 131
Appendix 1: Reference Sheet of Celsius and Fahrenheit.............................131
Appendix 2: Conguration of Connection Pipe ...............................................131
Appendix 3: Pipe Expanding Method...................................................................132
Appendix 4: List of Resistance for Temperature Sensor..............................133

1
Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
A1 panel
A2 panel (Black mirror surface panel, silver front case)
A2 panel (Black stripe panel, black front case)
A2 panel (White stripe panel, white front case)
A2 panel (Black stripe panel, silver front case)
A2 panel (Champagne stripe panel, champagne front case)
GWH09YCXB-K6DNA1C/O
GWH18ACDXF-K6DNA1A/O GWH18YDXF-K6DNA1B/O
GWH18YDXF-K6DNA1Z/O GWH24YEXF-K6DNA1D/O
GWH24YEXF-K6DNA1Z/O
GWH18YE-S6DBA2A/O
GWH12YCXD-K6DNA1B/O
GWH12YCXD-K6DNA1Z/O

2Technical Information
Service Manual
Model list:
No. Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1
GWH09YCXB-K6DNA1C
CB437004900
GWH09YCXB-K6DNA1C/I
CB437N04900
GWH09YCXB-K6DNA1C/O
CB437W04900
YAG1FB3
2 CB437004901 CB437W04901
3 CB437004902 CB437N04902 CB437W04900
4 CB437004903 CB437N04903 CB437W04901
5 CB437004904 CB437N04904 CB437W04900 YBE1FB6
6
GWH09YCXB-K6DNA2C
CB466003000
GWH09YCXB-K6DNA2C/I
CB466N03000
YAG1FB3
7 CB466003001 CB466N03001
CB437W04901
8 CB466003002 CB466N03002
9 CB466003003 CB466N03003
10 CB466003004 CB466N03004 CB437W04900
11 CB466003005 CB466N03000 CB437W04901
12
GWH12YCXD-K6DNA1B
CB437004500
GWH12YCXD-K6DNA1B/I
CB437N04500
GWH12YCXD-K6DNA1B/O
CB437W04500
13 CB437004501
CB437W04501
14 CB437004502 CB437N04502
15 CB437004504 CB437N04504
16 CB437004505 CB437N04505
17 CB437004506 CB437N04506
CB437W04500
18 CB437004508 CB437N04505 YBE1FB6
19
GWH12YCXD-K6DNA2B
CB466002900
GWH12YCXD-K6DNA2B/I
CB466N02900
YAG1FB3
20 CB466002901 CB466N02901
CB437W04501
21 CB466002902 CB466N02902
22 CB466002903 CB466N02903
23 CB466002904 CB466N02904
24 CB466002905 CB466N02905 CB437W04500
25 CB466002907 CB466N02900 CB437W04501
26 GWH12YCXD-K6DNA1Z CB437005200 GWH12YCXD-K6DNA1Z/I CB437N05200 GWH12YCXD-K6DNA1Z/O CB437W05200
27 GWH12YCXD-K6DNA2Z CB466003500 GWH12YCXD-K6DNA2Z/I CB466N03500
28 GWH18YDXF-K6DNA1A CB437005301 GWH18YDXF-K6DNA1A/I CB437N05300 GWH18ACDXF-K6DNA1A/O CB497W16901
29
GWH18YDXF-K6DNA1B
CB437004800
GWH18YDXF-K6DNA1B/I
CB437N04800
GWH18YDXF-K6DNA1B/O
CB437W04800
30 CB437004801 CB437W04801
31 CB437004803 CB437N04803
32 CB437004804 CB437N04804
CB437W0480033 CB437004805 CB437N04805
34
GWH18YDXF-K6DNA2B
CB466003100
GWH18YDXF-K6DNA2B/I
CB466N03100
35 CB466003101 CB466N03101
CB437W0480136 CB466003102 CB466N03102
37 CB466003103 CB466N03103
38 CB466003104 CB466N03104 CB437W04800
39 CB466003105 CB466N03105 CB437W04801
40 GWH18YDXF-K6DNA1Z CB437005100 GWH18YDXF-K6DNA1Z/I CB437N05100 GWH18YDXF-K6DNA1Z/O CB437W05100
41 GWH18YDXF-K6DNA2Z CB466003400 GWH18YDXF-K6DNA2Z/I CB466N03400
42 GWH18YE-S6DBA1A CB437002702 GWH18YE-S6DBA1A/I CB437N02700
GWH18YE-S6DBA2A/O CB466W0040243 CB437002703 CB437N02701
44 GWH18YE-S6DBA2A CB466000410 GWH18YE-S6DBA2A/I CB466N00402
45
GWH24YEXF-K6DNA1D
CB437004600
GWH24YEXF-K6DNA1D/I
CB437N04600
GWH24YEXF-K6DNA1D/O
CB437W04600
46 CB437004601 CB437W04601
47 CB437004602 CB437N04602
48 CB437004603 CB437N04603 CB437W04600
49
GWH24YEXF-K6DNA2D
CB466003200
GWH24YEXF-K6DNA2D/I
CB466N03200
50 CB466003201 CB466N03201
CB437W0460151 CB466003202 CB466N03202
52 CB466003203 CB466N03203
53 CB466003204 CB466N03204 CB437W04600
54 CB466003205 CB466N03205 CB437W04601
55 GWH24YEXF-K6DNA1Z CB437005000 GWH24YEXF-K6DNA1Z/I CB437N05000 GWH24YEXF-K6DNA1Z/O CB437W03300
56 GWH24YEXF-K6DNA2Z CB466003300 GWH24YEXF-K6DNA2Z/I CB466N03300
Remote Controller:
YAG1FB3(WiFi) YBE1FB6
-+
FAN
MODE
ON/OFF
FAN
TURBO
MODE
ON/OFF
SLEEPQUIETLIGHT WiFi
TEMP IFEEL
CLOCK
TIMERON TIMEROFF
(before opening cover) (after opening cover)
Wifi Health
Light
On/Off
Clock Timeroff
Timer on LR-swing UD-swing

3
Technical Information
Service Manual
2.1 Specication Sheet
Model GWH09YCXB-K6DNA1C
GWH09YCXB-K6DNA2C
Product Code CB437004900/CB437004902/CB437004904
CB466003000/CB466003004
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2700
Heating Capacity W 3000
Cooling Power Input W 600
Heating Power Input W 680
Cooling Current Input A 3.1
Heating Current Input A 3.7
Rated Input W 1600
Rated Cooling Current A 6.3
Rated Heating Current A 7.1
Air Flow Volume m3/h 660/590/540/490/450/420/390/180
Dehumidifying Volume L/h 0.8
EER W/W 4.5
COP W/W 4.41
SEER -- 9
SCOP (Average/Warmer/Colder) -- 4.6/6.0/3.9
Application Area m212-18
Indoor Unit
Model GWH09YCXB-K6DNA1C/I
GWH09YCXB-K6DNA2C/I
Product Code CB437N04900/CB437N04902/CB437N04904
CB466N03000/CB466N03004
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98×633
Cooling Speed r/min 1300/1150/1070/1000/850/700/650/500
Heating Speed r/min 1250/1100/1050/1000/950/900/850
Fan Motor Power Output W 20
Fan Motor RLA A 0.09
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 635×22.8×306.3
Swing Motor Model MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 41/38/36/34/30/26/22/19
Heating: 41/38/36/34/32/30/28
Sound Power Level dB (A) Cooling: 58/52/50/48/44/40/36/33
Heating: 58/52/50/48/46/44/42
Dimension (WXHXD) mm 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364
Dimension of Package (LXWXH) mm 931X281X379
Net Weight kg 10.5
Gross Weight kg 12.5
2. Specications

4Technical 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 GWH09YCXB-K6DNA1C/O
Outdoor Unit Product Code CB437W04900
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXF-A082zC170
Compressor Oil ZE-G;ES RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A 15
Compressor RLA A 2.56
Compressor Power Input W 756.6
Compressor Overload Protector /
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient
Temperature Range ºC -15~50
Heating Operation Ambient
Temperature Range ºC -15~30
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 666×38.1×527
Fan Motor Speed rpm 850
Fan Motor Power Output W 30
Fan Motor RLA A 0.4
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1950
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating
Pressure for the Discharge Side MPa 4.3
Permissible Excessive Operating
Pressure for the Suction Side MPa 2.5
Sound Pressure Level dB (A) 50
Sound Power Level dB (A) 62
Dimension(WXHXD) mm 732X555X330
Dimension of Carton Box (LXWXH) mm 791X373X590
Dimension of Package(LXWXH) mm 794X376X615
Net Weight kg 27
Gross Weight kg 29.5
Refrigerant R32
Refrigerant Charge kg 0.7
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model GWH09YCXB-K6DNA1C
GWH09YCXB-K6DNA2C
Product Code CB437004901/CB437004903
CB466003001/CB466003002/CB466003003/CB466003005
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2700
Heating Capacity W 3000
Cooling Power Input W 600
Heating Power Input W 680
Cooling Current Input A 3.1
Heating Current Input A 3.7
Rated Input W 1600
Rated Cooling Current A 6.3
Rated Heating Current A 7.1
Air Flow Volume m3/h 660/590/540/490/450/420/390/180
Dehumidifying Volume L/h 0.8
EER W/W 4.5
COP W/W 4.41
SEER -- 9
SCOP (Average/Warmer/Colder) -- 4.6/6.0/3.9
Application Area m212-18
Indoor Unit
Model GWH09YCXB-K6DNA1C/I
GWH09YCXB-K6DNA2C/I
Product Code CB437N04900/CB437N04903
CB466N03001/CB466N03002/CB466N03003/CB466N03000
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98×633
Cooling Speed r/min 1300/1150/1070/1000/850/700/650/500
Heating Speed r/min 1250/1100/1050/1000/950/900/850
Fan Motor Power Output W 20
Fan Motor RLA A 0.09
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 635×22.8×306.3
Swing Motor Model MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 41/38/36/34/30/26/22/19
Heating: 41/38/36/34/32/30/28
Sound Power Level dB (A) Cooling: 58/52/50/48/44/40/36/33
Heating: 58/52/50/48/46/44/42
Dimension (WXHXD) mm 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364
Dimension of Package (LXWXH) mm 931X281X379
Net Weight kg 10.5
Gross Weight kg 12.5

6Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH09YCXB-K6DNA1C/O
Outdoor Unit Product Code CB437W04901
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXF-A082zC170
Compressor Oil ZE-G;ES RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A 15
Compressor RLA A 2.56
Compressor Power Input W 756.6
Compressor Overload Protector /
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient
Temperature Range ºC -15~50
Heating Operation Ambient
Temperature Range ºC -25~30
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 666×38.1×527
Fan Motor Speed rpm 850
Fan Motor Power Output W 30
Fan Motor RLA A 0.4
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1950
Fan Type Axial-ow
Fan Diameter mm Ф400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating
Pressure for the Discharge Side MPa 4.3
Permissible Excessive Operating
Pressure for the Suction Side MPa 2.5
Sound Pressure Level dB (A) 50
Sound Power Level dB (A) 62
Dimension(WXHXD) mm 732X555X330
Dimension of Carton Box (LXWXH) mm 791X373X590
Dimension of Package(LXWXH) mm 794X376X615
Net Weight kg 27
Gross Weight kg 29.5
Refrigerant R32
Refrigerant Charge kg 0.7
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

7
Technical Information
Service Manual
Model GWH12YCXD-K6DNA1B
GWH12YCXD-K6DNA2B
Product Code CB437004500/CB437004506/CB437004508
CB466002900/CB466002905
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 3500
Heating Capacity W 3810
Cooling Power Input W 875
Heating Power Input W 952
Cooling Current Input A 4.1
Heating Current Input A 4.5
Rated Input W 1850
Rated Cooling Current A 7.3
Rated Heating Current A 8
Air Flow Volume m3/h 680/590/540/490/450/420/390/180
Dehumidifying Volume L/h 1.4
EER W/W 4
COP W/W 4
SEER -- 8.5
SCOP (Average/Warmer/Colder) -- 4.4/5.4/3.5
Application Area m216-24
Indoor Unit
Model GWH12YCXD-K6DNA1B/I
GWH12YCXD-K6DNA2B/I
Product Code CB437N04500/CB437N04506
CB466N02900/CB466N02905
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98×633
Cooling Speed r/min 1350/1200/1120/1050/950/850/750/500
Heating Speed r/min 1350/1200/1140/1080/1020/960/900
Fan Motor Power Output W 20
Fan Motor RLA A 0.09
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 635×22.8×306.3
Swing Motor Model MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 43/39/37/35/32/29/23/19
Heating: 43/39/38/36/33/31/29
Sound Power Level dB (A) Cooling: 58/53/51/49/46/43/37/33
Heating: 58/53/52/50/47/45/43
Dimension (WXHXD) mm 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364
Dimension of Package (LXWXH) mm 931X281X379
Net Weight kg 10.5
Gross Weight kg 12.5