Gree GWH09KF-K3DNA5G User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09KF-K3DNA5G
GWH09KF-K3DNA6G
GWH09KF-K3DNA9G
GWH09KF-K3DNB2G
GWH12KF-K3DNA5G
GWH12KF-K3DNA6G
GWH12KF-K3DNA9G
GWH12KF-K3DNB2G
GWH12KF-K3DNB3G
(Refrigerant R410A)

Service Manual
Table of Contents
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 Operation Characteristic Curve ........................................................................................6
2.3 Capacity Variation Ratio According to Temperature .........................................................6
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................7
2.5 Noise Curve ......................................................................................................................7
3. Outline Dimension Diagram ........................................................................8
3.1 Indoor Unit ........................................................................................................................8
3.2 Outdoor Unit .....................................................................................................................8
4. Refrigerant System Diagram ......................................................................9
5. Electrical Part.........................................................................................................10
5.1 Wiring Diagram ...............................................................................................................10
5.2 PCB Printed Diagram .....................................................................................................12
6. Function and Control ......................................................................................14
6.1 Remote Controller Introduction .....................................................................................14
6.2 Brief Description of Modes and Functions ......................................................................18
Part Ⅱ: Installation and Maintenance .................................................22
7. Notes for Installation and Maintenance ..........................................22
8. Installation ................................................................................................................24
8.1 Installation Dimension Diagram ......................................................................................24
8.2 Installation Parts-checking ............................................................................................26
8.3 Selection of Installation Location ....................................................................................26
8.4 Electric Connection Requirement ...................................................................................26
8.5 Installation of Indoor Unit ................................................................................................26
8.6 Installation of Outdoor Unit .............................................................................................29
8.7 Vacuum Pumping and Leak Detection ...........................................................................30
8.8 Check after Installation and Test Operation ...................................................................30

Table of Contents
Service Manual
Table of Contents Table of Contents
9. Maintenance ............................................................................................................31
9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ......................................31
9.2 Procedure of Troubleshooting ........................................................................................39
9.3 Maintenance Method for Normal Malfunction .................................................................54
10. Exploded View and Parts List ..............................................................56
10.1 Indoor Unit ....................................................................................................................56
10.2 Outdoor Unit .................................................................................................................62
11. Removal Procedure .......................................................................................65
11.1 Removal Procedure of Indoor Unit ...............................................................................65
11.2 Removal Procedure of Outdoor Unit ............................................................................79
Appendix: ........................................................................................................................84
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................84
Appendix 2: Conguration of Connection Pipe .....................................................................84
Appendix 3: Pipe Expanding Method ...................................................................................85
Appendix 4: List of Resistance for Temperature Sensor ......................................................86

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit:
GWH09KF-K3DNA6G/I(Cold Plasma)
GWH12KF-K3DNA6G/I(Cold Plasma)
GWH09KF-K3DNA5G/I(Cold Plasma)
GWH12KF-K3DNA5G/I(Cold Plasma)
GWH09KF-K3DNB2G/I(Cold Plasma)
GWH12KF-K3DNB2G/I(Cold Plasma)
GWH09KF-K3DNA9G/I
GWH12KF-K3DNA9G/I
GWH12KF-K3DNB3G/I(Cold Plasma)
Outdoor Unit:
Remote Controller:
GWH09KF-K3DNA6G/O
GWH12KF-K3DNA6G/O
YB1F2(XFAN)
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP
TIMER
SLEEP LIGHT
ON/OFF

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model
GWH09KF-K3DNA6G(LCLH)
GWH09KF-K3DNB2G(LCLH)
GWH09KF-K3DNA5G(LCLH)
GWH12KF-K3DNA6G(LCLH)
GWH12KF-K3DNB2G(LCLH)
GWH12KF-K3DNA5G(LCLH)
Product Code
CB146036201
CB409002701
CB146037601
CB146036101
CB409002401
CB146037501
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) W 2600(450~3230) 3500(450~3230)
Heating Capacity(Min~Max) W 2800(450~4100) 3800(450~4100)
Cooling Power Input(Min~Max) W 870(200~1420) 1150(200~1420)
Heating Power Input(Min~Max) W 900(200~1550) 1100(200~1550)
Cooling Current Input A 3.8 5.1
Heating Current Input A 4.0 4.9
Rated Input W 1550 1650
Rated Cooling Current A 6.3 6.9
Rated Heating Current A 6.9 7.3
Air Flow Volume (SH/H/M/L) m3/h 600/520/370/280 680/560/410/300
Dehumidifying Volume L/h 0.8 1.4
EER W/W 2.99 3.04
COP W/W 3.11 3.45
SEER 5.6 5.6
SCOP / /
Application Area m212-18 16-24
Indoor
Unit
Indoor Unit Model
GWH09KF-K3DNA6G/I
GWH09KF-K3DNB2G/I
GWH09KF-K3DNA5G/I
GWH12KF-K3DNA6G/I
GWH12KF-K3DNB2G/I
GWH12KF-K3DNA5G/I
CB146N36200
CB409N02701
CB146N37600
CB146N36100
CB409N02400
CB146N37500
Indoor Unit Fan Type Cross-ow Cross-ow
Indoor Unit Fan Diameter Length(DXL) mm Ф92X596 Ф92X596
Cooling Speed (SH/H/M/L) r/min 1350/1100/900/700 1350/1150/950/750
Heating Speed (SH/H/M/L) r/min 1350/1140/980/820 1350/1190/1020/850
Indoor Unit Fan Motor Power Output W 10 10
Indoor Unit Fan Motor RLA A 0.18 0.18
Indoor Unit Fan Motor Capacitor μF 1.2 1.2
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7 Ф7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 610X24X294 610X24X294
Swing Motor Model MP24BA MP24BA
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Indoor Unit Sound Pressure Level (SH/H/M/L) dB (A) 41/38/30/24 42/39/31/25
Indoor Unit Sound Power Level (SH/H/M/L) dB (A) 55/52/44/38 56/53/45/39
Indoor Unit Dimension (WXHXD) mm 770X283X201 770X283X201
Indoor Unit Dimension of Carton Box (LXWXH) mm 844X342X261 844X342X261
Indoor Unit Dimension of Package (LXWXH) mm 847X345X276 847X345X276
Indoor Unit Net Weight kg 8 9
Indoor Unit Gross Weight kg 9.5 10.5

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 GWH09KF-K3DNA6G/O GWH12KF-K3DNA6G/O
Outdoor Unit Product Code CB146W36201 CB146W36101
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO.,LTD.
ZHUHAI LANDA
COMPRESSOR CO.,LTD.
Compressor Model QXA-A091zE190A QXA-A091zE190A
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) A 20 20
Compressor Rated Load Amp (RLA) A 4.5 4.5
Compressor Power Input W 942 942
Compressor Overload Protector 1NT11L-6233 1NT11L-6233
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range °C 16~30 16~30
Cooling Operation Ambient Temperature
Range °C -15~43 -15~43
Heating Operation Ambient Temperature
Range °C -20~24 -20~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф7
Condenser Rows-n Gap mm 1-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 710X19.05X508 710X38.1X506
Outdoor Unit Fan Motor Speed rpm 900 900
Outdoor Unit Fan Motor Power Output W 30 30
Outdoor Unit Fan Motor RLA A 0.36 0.36
Outdoor Unit Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 1600 1600
Outdoor Unit Fan Type Axial-ow Axial-ow
Outdoor Unit Fan Diameter mm Ф400 Ф400
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
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
Outdoor Unit Sound Pressure Level (H/M/L) dB (A) 51/-/- 53/-/-
Outdoor Unit Sound Power Level (H/M/L) dB (A) 62/-/- 63/-/-
Outdoor Unit Dimension (WXHXD) mm 776X540X320 776X540X320
Outdoor Unit Dimension of Carton Box
(LXWXH) mm 848X360X580 848X360X580
Outdoor Unit Dimension of Package
(LXWXH) mm 851X363X595 851X363X595
Outdoor Unit Net Weight kg 28 29
Outdoor Unit Gross Weight kg 31 32
Refrigerant R410A R410A
Refrigerant Charge kg 0.7 0.85
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter of Liquid Pipe mm Ф6 Ф6
Outer Diameter of Gas Pipe mm Ф9.52 Ф9.52
Max Distance Height m 10 10
Max Distance Length m 15 20
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Model GWH09KF-K3DNA6G(LC)
GWH09KF-K3DNA9G(LC)
GWH12KF-K3DNA6G(LC)
GWH12KF-K3DNA9G(LC)
GWH12KF-K3DNB3G(LC)
Product Code CB146036200
CB146037000
CB146036100
CB146037100
CB146037800
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) W 2600(450~3230) 3500(450~3230)
Heating Capacity(Min~Max) W 2800(450~4100) 3800(450~4100)
Cooling Power Input(Min~Max) W 870(200~1420) 1150(200~1420)
Heating Power Input(Min~Max) W 900(200~1550) 1100(200~1550)
Cooling Current Input A 3.8 5.1
Heating Current Input A 4.0 4.9
Rated Input W 1550 1650
Rated Cooling Current A 6.3 6.9
Rated Heating Current A 6.9 7.3
Air Flow Volume (SH/H/M/L) m3/h 600/520/370/280 680/560/410/300
Dehumidifying Volume L/h 0.8 1.4
EER W/W 2.99 3.04
COP W/W 3.11 3.45
SEER 5.6 5.6
SCOP / /
Application Area m212-18 16-24
Indoor
Unit
Indoor Unit Model GWH09KF-K3DNA6G/I
GWH09KF-K3DNA9G/I
GWH12KF-K3DNA6G/I
GWH12KF-K3DNA9G/I
GWH12KF-K3DNB3G/I
CB146N36200
CB146N37000
CB146N36100
CB146N37100
CB146N37800
Indoor Unit Fan Type Cross-ow Cross-ow
Indoor Unit Fan Diameter Length(DXL) mm Ф92X596 Ф92X596
Cooling Speed (SH/H/M/L) r/min 1350/1100/900/700 1350/1150/950/750
Heating Speed (SH/H/M/L) r/min 1350/1140/980/820 1350/1190/1020/850
Indoor Unit Fan Motor Power Output W 10 10
Indoor Unit Fan Motor RLA A 0.18 0.18
Indoor Unit Fan Motor Capacitor μF 1.2 1.2
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7 Ф7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 610X24X294 610X24X294
Swing Motor Model MP24BA MP24BA
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Indoor Unit Sound Pressure Level (SH/H/M/L) dB (A) 41/38/30/24 42/39/31/25
Indoor Unit Sound Power Level (SH/H/M/L) dB (A) 55/52/44/38 56/53/45/39
Indoor Unit Dimension (WXHXD) mm 770X283X201 770X283X201
Indoor Unit Dimension of Carton Box (LXWXH) mm 844X342X261 844X342X261
Indoor Unit Dimension of Package (LXWXH) mm 847X345X276 847X345X276
Indoor Unit Net Weight kg 8 9
Indoor Unit Gross Weight kg 9.5 10.5

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 GWH09KF-K3DNA6G/O GWH12KF-K3DNA6G/O
Outdoor Unit Product Code CB146W36200 CB146W36100
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO.,LTD.
ZHUHAI LANDA
COMPRESSOR CO.,LTD.
Compressor Model QXA-A091zE190A QXA-A091zE190A
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) A 20 20
Compressor Rated Load Amp (RLA) A 4.5 4.5
Compressor Power Input W 942 942
Compressor Overload Protector 1NT11L-6233 1NT11L-6233
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range °C 16~30 16~30
Cooling Operation Ambient Temperature
Range °C -15~43 -15~43
Heating Operation Ambient Temperature
Range °C -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф7
Condenser Rows-n Gap mm 1-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 710X19.05X508 710X38.1X506
Outdoor Unit Fan Motor Speed rpm 900 900
Outdoor Unit Fan Motor Power Output W 30 30
Outdoor Unit Fan Motor RLA A 0.36 0.36
Outdoor Unit Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 1600 1600
Outdoor Unit Fan Type Axial-ow Axial-ow
Outdoor Unit Fan Diameter mm Ф400 Ф400
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
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
Outdoor Unit Sound Pressure Level (H/M/L) dB (A) 51/-/- 53/-/-
Outdoor Unit Sound Power Level (H/M/L) dB (A) 62/-/- 63/-/-
Outdoor Unit Dimension (WXHXD) mm 776X540X320 776X540X320
Outdoor Unit Dimension of Carton Box
(LXWXH) mm 848X360X580 848X360X580
Outdoor Unit Dimension of Package
(LXWXH) mm 851X363X595 851X363X595
Outdoor Unit Net Weight kg 28 29
Outdoor Unit Gross Weight kg 31 32
Refrigerant R410A R410A
Refrigerant Charge kg 0.7 0.85
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter of Liquid Pipe mm Ф6 Ф6
Outer Diameter of Gas Pipe mm Ф9.52 Ф9.52
Max Distance Height m 10 10
Max Distance Length m 15 20
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
2.2 Operation Characteristic Curve
Cooling Heating
0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
11
10
9
8
7
6
5
4
3
2
1
0
220V
230V
240V
220V
230V
240V
Current (A)
Current (A)
Conditions
Indoor:DB27°C/WB19°C
Outdoor:DB35°C/WB24°C
Indoor air flow:Super High
Pipe length:5m
Conditions
Indoor:DB20°C/WB15°C
Outdoor:DB7°C/WB6°C
Indoor air flow:Super High
Pipe length:5m
Compressor speed (rps) Compressor speed (rps)
2.3 Capacity Variation Ratio According to Temperature
Capacity ratio(%)
Outdoor temp. (°C)
Capacity ratio(%)
Outdoor temp. (°C)
Capacity ratio(%)
Capacity ratio(%)
Outdoor temp. (°C)
-20 -15 -10 -5 0 5 10
110
120
130
100
90
80
70
60
50
40
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:High
Pipe length:5m
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:High
Pipe length:5m
Condition
Indoor:DB20°C
/WB15°C
Indoor air flow: High
Pipe length:5m
–15 –10 –5 5
110
100
90
80
70
60
50
40
0 7 10
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Cooling
Heating operation ambient temperature range is -20°C~24°C
Heating operation ambient temperature range is -15°C~24°C
Cooling
Heating
Heating

7
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
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:5 m.
Cooling:
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
Compressor
revolution (rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24
09K 0.9 to 1.1 12 to 14 75 to 37 Super High High 63
12K 0.8 to 1.0 10 to 12 85 to 43 Super High High 70
Rated heating
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
Compressor
revolution (rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/15 7/6
09K 2.4 to 2.6 70 to 35 2 to 4 Super High High 69
12K 2.4 to 2.6 70 to 35 2 to 4 Super High High 72
2.5 Noise Curve
Indoor side noise when blowing Outdoor side noise when blowing
Indoor fan motor rotating speed Compressor frequency(Hz)
Noise/dB(A)
50
60
30
40
20
Low Middle High Super High
12K
09K
40
42
44
46
48
50
52
54
56
20 4030 50 60 70 80 90
Noise dB(A)
09&12K Cooling
09&12K Heating