GREE ELECTRIC GWH09AKC-K6DNA1A User manual

Service Manual
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Models:
GWH09AKC-K6DNA1A
GWH12AKC-K6DNA1A
GWH18AKC-K6DNA1A
(R32)

Service Manual
Table of Contents
Table of Contents
Part Ė: Technical Information............................................................ 1
1. Summary .................................................................................................... 1
.......................................................................................... 2
..................................................................................................2
2.2 Capacity Variation Ratio According to Temperature ...................................6
2.3 Cooling and Heating Data Sheet in Rated Frequency.................................6
2.4 Noise Curve................................................................................................................7
3. Outline Dimension Diagram............................................................. 8
3.1 Indoor Unit ..................................................................................................................8
3.2 Outdoor Unit...............................................................................................................8
4. Refrigerant System Diagram ......................................................... 10
5. Electrical Part......................................................................................... 11
5.1 Wiring Diagram .......................................................................................................11
5.2 PCB Printed Diagram............................................................................................13
6. Function and Control......................................................................... 17
6.1 Remote Controller Introduction ........................................................................17
6.2 GREE+ App Operation Manual ..........................................................................21
6.3 Ewpe Smart App Operation Manual.................................................................22
6.4 Brief Description of Modes and Functions ...................................................23
Part ė: Installation and Maintenance ......................................... 28
7. Notes for Installation and Maintenance................................... 28
8. Installation............................................................................................... 32
8.1 Installation Dimension Diagram........................................................................32
8.2 Installation Parts-checking ................................................................................34
8.3 Selection of Installation Location.....................................................................34
8.4 Electric Connection Requirement ....................................................................34
8.5 Installation of Indoor Unit....................................................................................34

Service Manual
Table of Contents
8.6 Installation of Outdoor unit.................................................................................36
8.7 Vacuum Pumping and Leak Detection ..........................................................38
8.8 Check after Installation and Test Operation .................................................38
9. Maintenance ........................................................................................... 39
9.1 Error Code List........................................................................................................39
9.2 Troubleshooting for Main Malfunction ...........................................................46
9.3 Troubleshooting for Normal Malfunction ......................................................60
10. Exploded View and Parts List .................................................... 62
10.1 Indoor Unit..............................................................................................................62
10.2 Outdoor Unit ..........................................................................................................66
11. Removal Procedure.......................................................................... 70
11.1 Removal Procedure of Indoor Unit ................................................................70
11.2 Removal Procedure of Outdoor Unit.............................................................77
Appendix:...................................................................................................... 86
Appendix 1: Reference Sheet of Celsius and Fahrenheit...............................86
 .................................................86
Appendix 3: Pipe Expanding Method.....................................................................87
Appendix 4: List of Resistance for Temperature Sensor................................88

1
Technical Information
Service Manual
Outdoor Unit:
Model list:
1. Summary
PartĖ : Technical Information
Indoor Unit:
GWH12AKC-K6DNA1A/I
GWH09AKC-K6DNA1A/I
GWH18AKC-K6DNA1A/I
GWH12AKC-K6DNA1A/O
GWH09AKC-K6DNA1A/O
Remote Controller:
YAA1FB11
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1GWH09AKC-K6DNA1A CB340000100 GWH09AKC-K6DNA1A/I CB340N00100 GWH09AKC-K6DNA1A/O CB340W00100
YAA1FB11
2CB340000101 CB340N00101
3GWH12AKC-K6DNA1A CB340000200 GWH12AKC-K6DNA1A/I CB340N00200 GWH12AKC-K6DNA1A/O CB340W00200
4CB340000201 CB340N00201
5GWH18AKC-K6DNA1A CB340000300 GWH18AKC-K6DNA1A/I CB340N00300 GWH18AKC-K6DNA1A/O CB340W00300
GWH18AKC-K6DNA1A/O

2Technical Information
Service Manual


Model GWH09AKC-K6DNA1A GWH12AKC-K6DNA1A
Product Code CB340000100
CB340000101
CB340000200
CB340000201
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 2700 3530
Heating Capacity W 3600 4200
Cooling Power Input W 550 802
Heating Power Input W 750 934
Cooling Current Input A 2.65 3.55
Heating Current Input A 3.54 4.23
Rated Input W 1600 1650
Rated Cooling Current A 6.05 6.22
Rated Heating Current A 7 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 4.91 4.4
COP W/W 4.8 4.5
SEER W/W 9.4 9
SCOP(Average/Warmer/Colder) W/W 5.1/6.3/4 5.1/6.2/4
Application Area m212-18 16-24
Indoor Unit
Model GWH09AKC-K6DNA1A/I GWH12AKC-K6DNA1A/I
Product Code CB340N00100
CB340N00101
CB340N00200
CB340N00201
Fan Type  
Fan Diameter Length(DXL) mm  
Cooling Speed r/min 1200/1050/950/900/750/600/550/450 1300/1100/1000/900/750/600/550/450
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  / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm  
 mm 4-1.4 4-1.4
Evaporator Coil Length (LXDXW) mm  
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:42/38/35/33/29/22/19/18
Heating:42/38/35/33/29/27/24
Cooling:44/39/37/34/29/23/22/20
Heating:44/39/37/34/29/27/25
Sound Power Level dB (A) 55 59
Dimension (WXHXD) mm 977X281X295 977X281X295
Dimension of Carton Box
(LXWXH) mm 1083X373X387 1083X373X387
Dimension of Package (LXWXH) mm 1086X376X402 1086X376X402
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 GWH09AKC-K6DNA1A/O GWH12AKC-K6DNA1A/O
Outdoor Unit Product Code CB340W00100 CB340W00200
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXF-B103zF190A QXF-B103zF190A
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 HPC115/95U1/KSD115oC HPC115/95U1/KSD115oC
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 -15~52 -15~52
Heating Operation Ambient Temperature Range ºC -25~24 -25~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm  
 mm 2.5-1.4 2.5-1.4
Condenser Coil Length (LXDXW) mm  
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.37 0.37
Fan Motor Capacitor  / /
Outdoor Unit Air Flow Volume m3/h 2400 2400
Fan Type  
Fan Diameter mm 438 438
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) 62 62
Dimension(WXHXD) mm 899X596X378 899X596X378
Dimension of Carton Box (LXWXH) mm 945X417X630 945X417X630
Dimension of Package(LXWXH) mm 948X420X645 948X420X645
Net Weight kg 37.5 37.5
Gross Weight kg 40.5 40.5
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 20
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Model GWH18AKC-K6DNA1A
Product Code CB340000300
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 1474
Cooling Current Input A 6.2
Heating Current Input A 6.6
Rated Input W 2450
Rated Cooling Current A 9.3
Rated Heating Current A 11
Air Flow Volume(SS/H/MH/M/ML/L/SL/SM) m3/h 800/700/550/500/450/350/300/250
Dehumidifying Volume L/h 1.8
EER W/W 3.8
COP W/W 3.8
SEER W/W 7
SCOP(Average/Warmer/Colder) W/W 4.3/4.9/3.4
Application Area m221-31
Indoor Unit
Model GWH18AKC-K6DNA1A/I
Product Code CB340N00300
Fan Type 
Fan Diameter Length(DXL) mm 
Cooling Speed r/min 1300/1100/1000/900/800/650/600/550
Heating Speed r/min 1350/1200/1050/950/900/800/750
Fan Motor Power Output W 20
Fan Motor RLA A -
Fan Motor Capacitor  /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm 
 mm 4-1.4
Evaporator Coil Length (LXDXW) mm 
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:46/40/37/35/31/25/24/22
Heating:46/41/38/34/32/29/28
Sound Power Level dB (A) Cooling:60/54/51/49/45/39/38
Heating:60/55/52/48/46/43/42
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 GWH18AKC-K6DNA1A/O
Outdoor Unit Product Code CB340W00300
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model QXF-B141zF030A
Compressor Oil 0
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 6.5
Compressor Power Input W 1410
Compressor Overload Protector 1NT11L-6233/KSD115oC/HPC 115/95
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC -15~52
Heating Operation Ambient Temperature Range ºC -25~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm 
 mm 2-1.4
Condenser Coil Length (LXDXW) mm 
Fan Motor Speed rpm 800
Fan Motor Power Output W 60
Fan Motor RLA A 0.65
Fan Motor Capacitor  /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type 
Fan Diameter mm 520
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) 58
Sound Power Level (H/M/L) dB (A) 65
Dimension(WXHXD) mm 965X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 46
Gross Weight kg 50.5
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
2.3 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
2.2 Capacity Variation Ratio According to Temperature
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 0 75-5 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
2.4 Noise Curve
40
30
20
15
25
35
Indoor side noise when blowing
Indoor fan motor rotating speed
45
50
Noice/dB(A)
SL L ML M MH H SS
9K Heating9K Cooling
12K Heating
18K Heating
12K Cooling
18K Cooling
46
48
50
52
54
56
58
60
62
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
9/12K Cooling
9/12k Heating
18k