Gree GWH09YC-K6DNA1A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09YC-K6DNA1A
GWH09YC-K6DNA2A
GWH12YC-K6DNA1A
GWH12YC-K6DNA2A
(Refrigerant R32)

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................6
2.3 Capacity Variation Ratio According to Temperature .........................................................6
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................8
2.5 Noise Curve......................................................................................................................8
3. Outline Dimension Diagram........................................................................9
3.1 Indoor Unit........................................................................................................................9
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram....................................................................11
5. Electrical Part.........................................................................................................12
5.1 Wiring Diagram...............................................................................................................12
5.2 PCB Printed Diagram .....................................................................................................16
6. Function and Control......................................................................................18
6.1 Remote Controller Introduction .....................................................................................18
6.2 GREE+ App Operation Manual ......................................................................................23
6.3 Ewpe Smart App Operation Manual ...............................................................................24
6.4 Brief Description of Modes and Functions......................................................................25
Part Ⅱ: Installation and Maintenance .................................................30
7. Notes for Installation and Maintenance..........................................30
8. Installation................................................................................................................33
8.1 Installation Dimension Diagram......................................................................................33
8.2 Installation Parts-checking ............................................................................................35
8.3 Selection of Installation Location....................................................................................35
8.4 Requirements for electric connection .............................................................................35
8.5 Installation of Indoor Unit................................................................................................35
8.6 Installation of Outdoor unit .............................................................................................38
8.7 Vacuum Pumping and Leak Detection ...........................................................................39
8.8 Check after Installation and Test operation ....................................................................39
Table of Contents

Service Manual
9. Maintenance............................................................................................................40
9.1 Troubleshooting for Normal Malfunction.........................................................................40
9.2 Error Code List ...............................................................................................................44
9.3 Troubleshooting for Main Malfunction ............................................................................51
10. Exploded View and Parts List ..............................................................63
10.1 Indoor Unit....................................................................................................................63
10.2 Outdoor Unit .................................................................................................................67
11. Removal Procedure.......................................................................................70
11.1 Removal Procedure of Indoor Unit ...............................................................................70
11.2 Removal Procedure of Outdoor Unit ............................................................................75
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
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH09YC-K6DNA1A/I
GWH12YC-K6DNA1A/I
GWH09YC-K6DNA2A/I
GWH12YC-K6DNA2A/I
Outdoor Unit
GWH09YC-K6DNA1A/O
GWH12YC-K6DNA1A/O
Remote Controller
YAG1FB
FAN
MODE
ON/OFF
+-

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model GWH09YC-K6DNA1A
GWH09YC-K6DNA2A
GWH12YC-K6DNA1A
GWH12YC-K6DNA2A
Product Code CB437001600
CB466001600
CB437001100
CB466001500
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 3500
Heating Capacity W 2930 3810
Cooling Power Input W 585 950
Heating Power Input W 650 975
Cooling Current Input A 2.6 4.0
Heating Current Input A 2.9 4.5
Rated Input W 1650 1650
Rated Current A 6.4 6.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 660/590/540/490/450/420/390 680/590/540/490/450/420/390
Dehumidifying Volume L/h 0.8 1.4
EER W/W 4.62 3.68
COP W/W 4.51 3.91
SEER W/W 8.5 8.5
SCOP(Average/Warmer/Colder) W/W 4.6/5.4/3.8 4.4/5.1/3.5
Application Area m212-18 16-24
Indoor
Unit
Indoor Unit Model GWH09YC-K6DNA1A/I
GWH09YC-K6DNA2A/I
GWH12YC-K6DNA1A/I
GWH12YC-K6DNA2A/I
Indoor Unit Product Code CB437N01600
CB466N01600
CB437N01100
CB466N01500
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5 Ф98X633.5
Cooling Speed r/min 1300/1200/1120/1050/980/920/750 1350/1200/1120/1050/980/920/750
Heating Speed r/min 1300/1200/1140/1080/1020/960/900 1350/1200/1140/1080/1020/960/900
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.09 0.09
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Φ5
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 635X22.8X306.3 635X22.8X306.3
Swing Motor Model MP24EB/MP24HF MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5 1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/SL) dB (A) 41/39/37/35/33/31/24 43/39/37/35/34/32/25
Sound Power Level(SH/H/MH/M/ML/L/SL) dB (A) 56/53/52/50/48/46/39 58/53/52/50/48/46/46
Dimension (WXHXD) mm 865X290X210 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364 928X278X364
Dimension of Package(LXWXH) mm 931X281X379 931X281X379
Net Weight kg 10.5 11
Gross Weight kg 12.5 13

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 GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O
Outdoor Unit Product Code CB437W01600 CB437W01100
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO., LTD
Compressor Model QXF-B096zE190A QXF-B096zE190A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A 20.00 20
Compressor RLA A 4.21 4.21
Compressor Power Input W 943 943
Compressor Overload Protector 1NT11L-6233 HPC115/95U1
KSD115ºC
1NT11L-6233 HPC115/95U1
KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43 -15~43
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 Φ7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 742X38.1X550 742X38.1X550
Fan Motor Speed rpm 900/650 900/650
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.36 0.36
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 2200 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ438 Φ438
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) 52/-/- 53/-/-
Sound Power Level (H/M/L) dB (A) 60/-/- 62/-/-
Dimension(WXHXD) mm 848X596X320 848X596X320
Dimension of Carton Box (LXWXH) mm 878X360X630 878X360X630
Dimension of Package(LXWXH) mm 881X363X645 881X363X645
Net Weight kg 33.5 33.5
Gross Weight kg 36.5 36.5
Refrigerant R32 R32
Refrigerant Charge kg 0.7 0.75
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ9.52 Φ9.52
Max Distance Height m 10 10
Max Distance Length m 15 20
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Parameter Unit Value
Model GWH12YC-K6DNA1A
GWH12YC-K6DNA2A
GWH09YC-K6DNA1A
GWH09YC-K6DNA2A
Product Code CB437001101
CB466001501
CB437001601
CB466001601
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 3500 2700
Heating Capacity W 3810 2930
Cooling Power Input W 950 585
Heating Power Input W 975 650
Cooling Current Input A 4.0 2.6
Heating Current Input A 4.5 2.9
Rated Input W 1650 1650
Rated Current A 6.4 6.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 680/590/540/490/450/420/390 660/590/540/490/450/420/390
Dehumidifying Volume L/h 1.4 0.8
EER W/W 3.68 4.62
COP W/W 3.91 4.50
SEER W/W 8.5 8.5
SCOP(Average/Warmer/Colder) W/W 4.4/5.1/3.5 4.6/5.4/3.8
Application Area m216-24 12-18
Indoor
Unit
Indoor Unit Model GWH12YC-K6DNA1A/I
GWH12YC-K6DNA2A/I
GWH09YC-K6DNA1A/I
GWH09YC-K6DNA2A/I
Indoor Unit Product Code CB437N01101
CB466N01501
CB437N01601
CB466N01601
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5 Ф98X633.5
Cooling Speed r/min 1350/1200/1120/1050/980/920/750 1300/1200/1120/1050/980/920/750/5
00
Heating Speed r/min 1350/1200/1140/1080/1020/960/900 1300/1200/1140/1080/1020/960/900/-
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.09 0.09
Fan Motor Capacitor μF / /
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 635X22.8X306.3 635×22.8×306.3
Swing Motor Model MP24EB/MP24HF MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5 1.5/2
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/
SL) dB (A) 43/39/37/35/34/32/25 41/39/35/31
Sound Power Level(SH/H/MH/M/ML/L/
SL) dB (A) 58/53/52/50/48/46/46 56/53/50/46
Dimension (WXHXD) mm 865X290X210 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364 928X278X364
Dimension of Package(LXWXH) mm 931X281X379 931X281X379
Net Weight kg 11 10.5
Gross Weight kg 13 12.5

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 GWH12YC-K6DNA1A/O GWH09YC-K6DNA1A/O(LCLH)
Outdoor Unit Product Code CB437W01101 CB437W01601
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO., LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXF-B096zE190A QXF-B096zE190A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A 20 20.00
Compressor RLA A 4.21 4.21
Compressor Power Input W 943 943
Compressor Overload Protector 1NT11L-6233 HPC115/95U1
KSD115ºC
1NT11L-6233 HPC115/95U1
KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43 -15~43
Heating Operation Ambient Temperature
Range ºC -22~24 -22~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 742X38.1X550 742X38.1X550
Fan Motor Speed rpm 900/650 900/650
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.36 0.36
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 2200 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ438 Φ438
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/-/- 52/-/-
Sound Power Level (H/M/L) dB (A) 62/-/- 60/-/-
Dimension(WXHXD) mm 848X596X320 848X596X320
Dimension of Carton Box (LXWXH) mm 878X360X630 878X360X630
Dimension of Package(LXWXH) mm 881X363X645 881X363X645
Net Weight kg 33.5 33.5
Gross Weight kg 36.5 36.5
Refrigerant R32 R32
Refrigerant Charge kg 0.75 0.7
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ9.52 Φ9.52
Max Distance Height m 10 10
Max Distance Length m 20 15
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
0
1
2
3
4
5
6
7
8
9
10
020406080 100 120
Condition
Indoor:DB 27 WB19
Indoor air flow: Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
0
1
2
3
4
5
6
7
8
020406080 100
120
Condition
Indoor:DB 20
Indoor air flow:Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
Current(A)
Current(A)
50
60
70
80
90
100
110
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Condition
Indoor:DB27℃WB19℃
Indoor air flow:
Turbo
Pipe length:7.5m
Outdoor temp. (°C)
0
20
40
60
80
100
120
Capacity ratio(%)
Outdoor temp. (°C)
09K
12K
09K
12K
-7 -5 0510
Condition
Indoor:DB20℃
Indoor air flow:
Turbo
Pipe length:7.5m
Cooling:
Cooling:
GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O
Heating:
Heating:
Cooling Heating
32 33 34 35 36 37 38 39 43 –15 –10 –5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
50
60
70
80
90
100
110
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
0
20
40
60
80
100
120
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
Indoor:DB 20°C
Indoor:DB 27°C
WB19 °C
33 36 39 42 45 48 -15-12 -9 -6 -3 -1 10725

7
Technical Information
Service Manual
GWH12YC-K6DNA1A/O GWH09YC-K6DNA1A/O GWH09YC-K6DNA1A/O
-12-9-6-3-1
Cooling Heating
32 33 34 35 36 37 38 39 43 –15 –10 –5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
50
60
70
80
90
100
110
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
0
20
-22
40
60
80
100
120
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
Indoor:DB 20°C
Indoor:DB 27°C
WB19 °C
33 36 39 42 45 48 10725
Cooling: Heating: