Gree GWH09AKCXD-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 ..................................... 1
1. Summary......................................................................... 1
2. Specications............................................................... 2
2.1 Specication Sheet..................................................................................................2
2.2 Capacity Variation Ratio According to Temperature ...................................6
3. Outline Dimension Diagram................................... 7
3.1 Indoor Unit ..................................................................................................................7
3.2 Outdoor Unit...............................................................................................................7
4. Refrigerant System Diagram ................................. 9
5. Electrical Part ............................................................. 10
5.1 Wiring Diagram .......................................................................................................10
5.2 PCB Printed Diagram............................................................................................12
6. Function and Control .............................................. 15
6.1 Remote Controller Introduction ........................................................................15
6.2 Brief Description of Models and Functions..................................................18
6.3 GREE+ App Operation Manual ..........................................................................21
6.4 Ewpe Smart App Operation Manual.................................................................22
Part II : Installation and Maintenance .................. 23
7. Notes for Installation and Maintenance.......... 23
8. Installation ................................................................... 28
8.1 Installation Dimension Diagram........................................................................28
8.2 Installation Parts-checking ................................................................................30
8.3 Selection of Installation Location.....................................................................30
8.4 Electric Connection Requirement ....................................................................30
8.5 Installation of Indoor Unit....................................................................................31

Service Manual
Table of Contents
8.6 Installation of Outdoor unit.................................................................................33
8.7 Vacuum Pumping and Leak Detection............................................................34
8.8 Check after Installation and Test operation..................................................35
9. Maintenance................................................................ 36
9.1 Error Code List........................................................................................................36
9.2 Procedure of Troubleshooting ..........................................................................40
9.3 Troubleshooting for Normal Malfunction ......................................................54
10. Exploded View and Parts List........................... 56
10.1 Indoor Unit..............................................................................................................56
10.2 Outdoor Unit ..........................................................................................................58
11. Removal Procedure ............................................... 62
11.1 Removal Procedure of Indoor Unit ................................................................62
11.2 Removal Procedure of Outdoor Unit.............................................................69
Appendix ........................................................................... 79
Appendix 1: Reference Sheet of Celsius and Fahrenheit...............................79
Appendix 2: Conguration of Connection Pipe .................................................79
Appendix 3: Pipe Expanding Method.....................................................................80
Appendix 4: List of Resistance for Temperature Sensor................................81

1
Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
Remote Controller:
YAA1FB11
GWH18AKCXF-K6DNA1A/O
GWH09AKCXD-K6DNA1A/O
GWH12AKCXD-K6DNA1A/O
A1 panel
Model list:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller:
1 GWH09AKCXD-K6DNA1A CB340000401 GWH09AKCXD-K6DNA1A/I CB340N00401 GWH09AKCXD-K6DNA1A/O CB340W00401
YAA1FB112 GWH12AKCXD-K6DNA1A CB340000501 GWH12AKCXD-K6DNA1A/I CB340N00501 GWH12AKCXD-K6DNA1A/O CB340W00501
3 GWH18AKCXF-K6DNA1A CB340000601 GWH18AKCXF-K6DNA1A/I CB340N00601 GWH18AKCXF-K6DNA1A/O CB340W00601

2Technical Information
Service Manual
2.1 Specication Sheet
2. Specications
Model GWH09AKCXD-K6DNA1A GWH12AKCXD-K6DNA1A
Product Code CB340000401 CB340000501
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 2700 3530
Heating Capacity W 3600 4200
Cooling Power Input W 555 802
Heating Power Input W 760 934
Cooling Current Input A 2.46 3.9
Heating Current Input A 3.37 4.5
Rated Input W 1600 1650
Rated Cooling Current A 5.77 6.8
Rated Heating Current A 7.10 7.5
Air Flow Volume(SS/H/MH/M/ML/L/SL/SM) m3/h 700/600/530/500/400/300/270/180 800/700/550/500/400/300/270/180
Dehumidifying Volume L/h 0.8 1.4
EER W/W 4.86 4.4
COP W/W 4.74 4.5
Application Area m212-18 16-24
Indoor Unit
Model GWH09AKCXD-K6DNA1A/I GWH12AKCXD-K6DNA1A/I
Product Code CB340N00401 CB340N00501
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ120X650 Φ120X650
Cooling Speed r/min 1200/1050/950/900/750/600/550 1300/1100/1000/900/750/600/550
Heating Speed r/min 1200/1050/950/900/800/750/650 1300/1100/1000/900/800/750/650
Fan Motor Power Output W 20 20
Fan Motor RLA A / /
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Φ5
Evaporator Row-n Gap mm 4-1.4 4-1.4
Evaporator Coil Length (LXDXW) mm 651X59.5X365 651X59.5X365
Swing Motor Model MP24AM/MP35CN/MP20AC MP24AM/MP35CN/MP20AC
Swing Motor Power Output W 1.5/2.5/1.5 1.5/2.5/1.5
Fuse Current A 5 5
Sound Pressure Level dB (A) Cooling:41/38/34/33/28/22/19
Heating:41/38/34/33/29/27/24
Cooling:44/39/36/33/28/22/20
Heating:44/39/36/33/29/27/25
Sound Power Level dB (A) Cooling:56/53/49/48/43/37/34
Heating:56/52/49/48/56/53/49
Cooling:59/54/51/48/43/37/35
Heating:59/54/51/48/44/42/40
Dimension (WXHXD) mm 977X281X295 977X281X295
Dimension of Carton Box
(LXWXH) mm 1083X373X387 1083X373X387
Dimension of Package (LXWXH) mm 1090X380X407 1090X380X407
Net Weight kg 17 17
Gross Weight kg 21.5 21.5

3
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 GWH09AKCXD-K6DNA1A/O GWH12AKCXD-K6DNA1A/O
Outdoor Unit Product Code CB340W00401 CB340W00501
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXF-B103zH170E QXF-B103zH170E
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A 25 25
Compressor RLA A 4 4
Compressor Power Input W 800 800
Compressor Overload Protector / /
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC Cooling:16~30 Heating:8~30 Cooling:16~30 Heating:8~30
Cooling Operation Ambient Temperature Range ºC -15~48 -15~48
Heating Operation Ambient Temperature Range ºC -25~24 -25~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7.94
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 761.5X38.1X528 761.5X38.1X528
Fan Motor Speed rpm 850 850
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 2200 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ420 Φ420
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) 53 54
Sound Power Level (H/M/L) dB (A) 63 63
Dimension(WXHXD) mm 802X555X350 802X555X350
Dimension of Carton Box (LXWXH) mm 869X395X594 869X395X594
Dimension of Package(LXWXH) mm 872X398X620 872X398X620
Net Weight kg 31 32
Gross Weight kg 33.5 34.5
Refrigerant R32 R32
Refrigerant Charge kg 1 1
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe 1/4" 1/4"
Outer Diameter Gas Pipe 3/8" 3/8"
Max Distance Height m 10 10
Max Distance Length m 15 15
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Model GWH18AKCXF-K6DNA1A
Product Code CB340000601
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 5300
Heating Capacity W 5600
Cooling Power Input W 1395
Heating Power Input W 1400
Cooling Current Input A 7
Heating Current Input A 6.5
Rated Input W 2500
Rated Cooling Current A 11.5
Rated Heating Current A 12
Air Flow Volume(SS/H/MH/M/ML/L/SL/SM) m3/h 800/700/550/500/450/350/300
Dehumidifying Volume L/h 1.8
EER W/W 3.8
COP W/W 4
Application Area m221-31
Indoor Unit
Model GWH18AKCXF-K6DNA1A/I
Product Code CB340N00601
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ120X650
Cooling Speed r/min 1280/1100/1000/900/800/650/600
Heating Speed r/min 1350/1200/1050/950/900/800/750
Fan Motor Power Output W 20
Fan Motor RLA A /
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 4-1.4
Evaporator Coil Length (LXDXW) mm 651X59.5X365
Swing Motor Model MP24AM/MP35CN/MP20AC
Swing Motor Power Output W 1.5/2.5/1.5
Fuse Current A 5
Sound Pressure Level dB (A) Cooling:47/42/39/35/31/26/25
Heating:46/42/38/35/33/30/28
Sound Power Level dB (A) Cooling:60/55/52/48/44/39/38
Heating:59/55/51/48/46/43/41
Dimension (WXHXD) mm 977X281X295
Dimension of Carton Box
(LXWXH) mm 1083X373X387
Dimension of Package (LXWXH) mm 1090X380X407
Net Weight kg 17
Gross Weight kg 21.5

5
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 GWH18AKCXF-K6DNA1A/O
Outdoor Unit Product Code CB340W00601
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO. LTD.
Compressor Model QXF-M130zF170
Compressor Oil RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 5.36
Compressor Power Input W 1196
Compressor Overload Protector /
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC -15~48
Heating Operation Ambient Temperature Range ºC -25~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 890X38.1X616
Fan Motor Speed rpm 880
Fan Motor Power Output W 60
Fan Motor RLA A 0.65
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3600
Fan Type Axial-ow
Fan Diameter mm Φ520
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 (H/M/L) dB (A) 59
Sound Power Level (H/M/L) dB (A) 65
Dimension(WXHXD) mm 958X660X402
Dimension of Carton Box (LXWXH) mm 1029X453X715
Dimension of Package(LXWXH) mm 1032X456X737
Net Weight kg 43
Gross Weight kg 47.5
Refrigerant R32
Refrigerant Charge kg 1.2
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe 1/4"
Outer Diameter Gas Pipe 1/2"
Max Distance Height m 10
Max Distance Length m 25
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
2.3 Cooling and Heating Data Sheet in Rated Frequency
Cooling:
Rated cooling
condition(°C) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 ALL 0.9 to 1.1 12 to 14 75 to 37 Super High High
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5m.
Heating:
Rated cooling
condition(°C) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 ALL 2.8 to 3.0 70 to 35 2 to 4 Super High High
0
20
40
60
80
100
120
140
-15 -10 -5 0 5 10 15 20 25 30 35 40 45 52
Condition Cooling
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m
Cooling
Capacity ratio(%)
0
20
40
60
80
100
120
140
Capacity ratio(%)
-25-20 -15-10 075-5 1510 20 24
Heatling
Outdoor Temp.(°C)Outdoor Temp.(°C)
Condition Heatin g
°C
/WB15°C
Indoor air flow: Super High
5m
Indoor:DB20
Pipe length:
9/12K
18K
9/12K
18K

7
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
977 295
542 228
281
207
281
127
49
55
¢
Unit:mm
3.2 Outdoor Unit
GWH09AKCXD-K6DNA1A/O
GWH12AKCXD-K6DNA1A/O
300
555
350
745
802
332
512
Unit:mm