Gree GWH12UB-K3DNA4F User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09UB-K3DNA4F
GWH12UB-K3DNA4F
GWH18UC-K3DNA4F
(Refrigerant R410A)

Table of Contents
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 ........................................................................................8
2.3 Capacity Variation Ratio According to Temperature .........................................................9
2.4 Cooling and Heating Data Sheet in Rated Frequency ...................................................10
2.5 Noise Curve ....................................................................................................................10
3. Outline Dimension Diagram ......................................................................11
3.1 Indoor Unit ......................................................................................................................11
3.2 Outdoor Unit ...................................................................................................................12
4. Refrigerant System Diagram ....................................................................13
5. Electrical Part.........................................................................................................14
5.1 Wiring Diagram ...............................................................................................................14
5.2 PCB Printed Diagram .....................................................................................................17
6. Function and Control ......................................................................................21
6.1 Remote Controller Introduction .....................................................................................21
6.2 Operation of Smart Control (Smart Phone, Tablet PC) ..................................................26
6.3 Brief Description of Modes and Functions ......................................................................31
Part Ⅱ: Installation and Maintenance .................................................40
7. Notes for Installation and Maintenance ..........................................40
8. Installation ................................................................................................................42
8.1 Installation Dimension Diagram ......................................................................................42
8.2 Installation Parts-checking ............................................................................................44
8.3 Selection of Installation Location ....................................................................................44
8.4 Electric Connection Requirement ...................................................................................44
8.5 Installation of Indoor Unit ................................................................................................44
8.6 Installation of Outdoor Unit .............................................................................................47
8.7 Vacuum Pumping and Leak Detection ...........................................................................48
8.8 Check after Installation and Test Operation ...................................................................48

Table of Contents
Service Manual
9. Maintenance ............................................................................................................49
9.1 Error Code List ...............................................................................................................49
9.2 Procedure of Troubleshooting ........................................................................................56
9.3 Troubleshooting for Normal Malfunction .........................................................................80
10. Exploded View and Parts List ..............................................................82
10.1 Indoor Unit ....................................................................................................................82
10.2 Outdoor Unit .................................................................................................................86
11. Removal Procedure .......................................................................................90
11.1 Removal Procedure of Indoor Unit ...............................................................................90
11.2 Removal Procedure of Outdoor Unit ............................................................................99
Appendix: ......................................................................................................................110
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................110
Appendix 2: Conguration of Connection Pipe ...................................................................110
Appendix 3: Pipe Expanding Method ................................................................................. 111
Appendix 4: List of Resistance for Temperature Sensor ....................................................112

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Remote Controller:
Part Ⅰ: Technical Information
GWH09UB-K3DNA4F/O
GWH12UB-K3DNA4F/O
GWH18UC-K3DNA4F/O
SAA1FB1
GWH09UB-K3DNA4F/I(Cold Plasma)
GWH12UB-K3DNA4F/I(Cold Plasma)
GWH18UC-K3DNA4F/I(Cold Plasma)

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model GWH09UB-K3DNA4F
Product Code CB264000600
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2600
Heating Capacity W 3000
Cooling Power Input W 600
Heating Power Input W 800
Cooling Power Current A 2.7
Heating Power Current A 3.5
Rated Input W 1630
Rated Current A 6.5
Air Flow Volume (SH/H/MH/M/ML/L/SL) m3/h 650/530/470/400/350/300/290
Dehumidifying Volume L/h 0.8
EER W/W 4.33
COP W/W 3.75
SEER 7.5
SCOP 4.6
Application Area m212-18
Indoor Unit
Model GWH09UB-K3DNA4F/I(Cold Plasma)
Product Code CB264N00600
Fan Type Cross-ow
Diameter Length(DXL) mm Ф92X616
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1350/1127/1000/870/780/690/600/550
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1350/1151/1074/1000/930/870/842/-
Output of Fan Motor W 10
Fan Motor RLA A 0.3
Fan Motor Capacitor μF /
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 623X25.4X304.8
Swing Motor Model MP24HD
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 41/37/35/33/30/22/19
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 56/50/48/46/43/35/32
Dimension (WXHXD) mm 860X305X170
Dimension of Carton Box (LXWXH) mm 932X385X280
Dimension of Package (LXWXH) mm 935X388X295
Net Weight kg 12.5
Gross Weight kg 15

3
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model GWH09UB-K3DNA4F/O
Product Code CB264W00600
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXAT-B121zE070
Compressor Oil FV50S
Compressor Type Rotary
L.R.A. A 35
Compressor RLA A 6.7
Compressor Power Input W 1430
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp °C 16~30
Ambient temp (cooling) °C -18~54
Ambient temp (heating) °C -30~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Rows-n Gap mm 2.5-1.4
Coil Length (LXDXW) mm 763X57X550
Fan Motor Speed rpm 780
Output of Fan Motor W 30
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 2400
Fan Type Axial-ow
Fan Diameter mm Ф438
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 50/-/-
Sound Power Level (H/M/L) dB (A) 59/-/-
Dimension (WXHXD) mm 899X596X378
Dimension of Carton Box (LXWXH) mm 945X417X630
Dimension of Package (LXWXH) mm 948X420X645
Net Weight kg 43
Gross Weight kg 46
Refrigerant R410A
Refrigerant Charge kg 1.3
Connection
Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф12
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Parameter Unit Value
Model GWH12UB-K3DNA4F
Product Code CB264000700
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 3500
Heating Capacity W 3600
Cooling Power Input W 920
Heating Power Input W 970
Cooling Power Current A 4.1
Heating Power Current A 4.2
Rated Input W 1680
Rated Current A 6.8
Air Flow Volume (SH/H/MH/M/ML/L/SL) m3/h 720/550/490/420/370/320/290
Dehumidifying Volume L/h 1.4
EER W/W 3.80
COP W/W 3.71
SEER 7.0
SCOP 4.6
Application Area m216-24
Indoor Unit
Model GWH12UB-K3DNA4F/I(Cold Plasma)
Product Code CB264N00700
Fan Type Cross-ow
Diameter Length(DXL) mm Ф92X616
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1185/1053/920/829/741/650/550
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1185/1119/1053/958/870/842/-
Output of Fan Motor W 10
Fan Motor RLA A 0.3
Fan Motor Capacitor μF /
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 623X25.4X304.8
Swing Motor Model MP24HD
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 43/38/36/34/31/23/20
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 57/51/49/47/44/36/33
Dimension (WXHXD) mm 860X305X170
Dimension of Carton Box (LXWXH) mm 932X385X280
Dimension of Package (LXWXH) mm 935X388X295
Net Weight kg 12.5
Gross Weight kg 15

5
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model GWH12UB-K3DNA4F/O
Product Code CB264W00700
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXAT-B121zE070
Compressor Oil FV50S
Compressor Type Rotary
L.R.A. A 35
Compressor RLA A 6.7
Compressor Power Input W 1430
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp °C 16~30
Ambient temp (cooling) °C -18~54
Ambient temp (heating) °C -30~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Rows-n Gap mm 2.5-1.4
Coil Length (LXDXW) mm 763X57X550
Fan Motor Speed rpm 780
Output of Fan Motor W 30
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 2400
Fan Type Axial-ow
Fan Diameter mm Ф438
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 50/-/-
Sound Power Level (H/M/L) dB (A) 60/-/-
Dimension (WXHXD) mm 899X596X378
Dimension of Carton Box (LXWXH) mm 945X417X630
Dimension of Package (LXWXH) mm 948X420X645
Net Weight kg 43
Gross Weight kg 46
Refrigerant R410A
Refrigerant Charge kg 1.3
Connection
Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф12
Max Distance Height m 10
Max Distance Length m 20
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Parameter Unit Value
Model GWH18UC-K3DNA4F
Product Code CB264000500
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 5275
Heating Capacity W 5275
Cooling Power Input W 1600
Heating Power Input W 1420
Cooling Power Current A 7.1
Heating Power Current A 6.2
Rated Input W 2400
Rated Current A 9.1
Air Flow Volume (SH/H/MH/M/ML/L/SL) m3/h 850/750/650/600/500/400/340
Dehumidifying Volume L/h 1.8
EER W/W 3.30
COP W/W 3.72
SEER 6.1
SCOP 4.0
Application Area m223-34
Indoor Unit
Model GWH18UC-K3DNA4F/I(Cold Plasma)
Product Code CB264N00500
Fan Type Cross-ow
Diameter Length(DXL) mm Ф107X699
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1350/1150/1050/930/800/700/650/600
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1200/1100/1000/900/800/750/-
Output of Fan Motor W 20
Fan Motor RLA A 0.44
Fan Motor Capacitor μF /
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 706X25.4X303.8
Swing Motor Model MP24AQ
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 46/42/40/36/33/25/22
Sound Power Level (SH/H/M/L/SL) dB (A) 58/54/52/48/45/37/34
Dimension (WXHXD) mm 960X320X205
Dimension of Carton Box (LXWXH) mm 1040X400X318
Dimension of Package (LXWXH) mm 1043X403X333
Net Weight kg 14
Gross Weight kg 17

7
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model GWH18UC-K3DNA4F/O
Product Code CB264W00500
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXAT-B121zF070
Compressor Oil 68EP
Compressor Type Rotary
L.R.A. A 40
Compressor RLA A 6.6
Compressor Power Input W 1430
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp °C 16~30
Ambient temp (cooling) °C -18~54
Ambient temp (heating) °C -30~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 852X38.1X660
Fan Motor Speed rpm 800
Output of Fan Motor W 60
Fan Motor RLA A 0.5
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Ф520
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 56/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension (WXHXD) mm 965X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package (LXWXH) mm 1029X458X750
Net Weight kg 51
Gross Weight kg 55.5
Refrigerant R410A
Refrigerant Charge kg 1.65
Connection
Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф12
Max Distance Height m 10
Max Distance Length m 25
Note: The connection pipe applies metric diameter.

8Technical Information
Service Manual
2.2 Operation Characteristic Curve
0
1
2
3
4
5
6
7
8
9
10
0 20 40 60 80 100 120
Condition
Indoor:DB 27°C WB19°C
Indoor air flow: Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
0
1
2
3
4
5
6
7
8
0 20 40 60 80 100 120
Condition
Indoor:DB 20°C
Indoor air flow:Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
Cooling Heating
Current(A)
Current(A)
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
Turbo
Pipe length:5m
Outdoor temp. (°C)
Capacity ratio(%)
gnitaeHgnilooC
-20 -15 -10 -5 0 5 10
110
120
130
100
90
80
70
60
50
40
Outdoor temp.(°C)
Condition
Indoor:DB20°C
Indoor air flow:
Turbo
Pipe length:5m
09K/12K
18K
0 10 20 30 40 50 60 70 90 80 0 10 20 30 40 50 60 70 80 90 100 120110
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
Cooling Heating
Conditions
Indoor: DB27°C/WB19°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Indoor air flow: High
Pipe length: 5m
Cooling
Cooling
Heating
Heating

9
Technical Information
Service Manual
2.3 Capacity Variation Ratio According to Temperature
Cooling
Capacity ratio( %)
Heating
Outdoor temp.(°C) Outdoor temp.(°C)
32 34 36 38 40 42 44 46 5448 50 52
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
40
50
120
110
100
90
80
70
60
1070-8-20
Capacity ratio(%)
-30 -15
Conditions
Indoor:DB20°C
Indoor air flow:Super High
Pipe length: 5m
09K/12K
18K
Cooling
Cooling
Heating
Heating
Outdoor Temp.(°C) Outdoor Temp.(°C)
Capacity ratio(%)
Capacity ratio(%)
29 34 39 44 49 54
60
70
80
90
100
110
120
50
40 40
50
120
110
100
90
80
70
60
1070-8-20
-30 -15
Conditions
Indoor: DB20°C/WB15°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB27°C/WB19°C
Indoor air flow: High
Pipe length: 5m

10 Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
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
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 09K/12K 0.85~1.0 in:8~11
out:11~14
in:50~80
out:37~43 Turbo Suprt High 58
27/19 35/24 18K 0.9~1.0 in:8~11
out:11~14
in:75~83
out:37~48 Super High High 73
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
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 09K/12K 2.5~3.0 in:50~80
out:37~43
in:1~3
out:2~5 Turbo Suprt High 56
20/15 7/6 18K 2.2~2.4 in:75~83
out:37~45
in:1~3
out:2~6 Super High High 75
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:
2.5 Noise Curve
45
50
35
40
30
20
15
25
Indoor side noise
Outdoor side noise
09K/12K
18K
Indoor fan motor rotating speed
SH MH M ML SLLH
40
42
44
46
48
50
52
54
20 4030 50 60 70 80
Compressor frequency(Hz)
Noise dB(A)
Noise dB(A)
Heating
Cooling
09K 12K
18K
46
48
50
52
54
56
58
60
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling

11
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
125 148
Φ55
Φ55
49.5
80
Φ55
Φ55
W
136
90 684 186
542 179
D
H
Unit:mm
Model W H D
12K 860 305 170
18K 960 320 205
09K/12K
18K

12 Technical Information
Service Manual
3.2 Outdoor Unit
899
810
550
343
303
596
378
Unit:mm
Unit:mm
965
892
700
396
560
341
396
18K
09K/12K

13
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid : 1/4" (6mm) Gas : 1/2" (16mm)
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HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
HEATING
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Discharge
Suction
4-Way valve
Electron
Strainer Strainer
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Strainer Capillary
D
Strainer
Intercooler

14 Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
●Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
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15
Technical Information
Service Manual
GWH18UC-K3DNA4F/I(Cold Plasma)
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16 Technical Information
Service Manual
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
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17
Technical Information
Service Manual
1
3
4 5 7 8 9 10
11
12
13
15
2
6
14
5.2 PCB Printed Diagram
● Top view
Indoor Unit
● Bottom view
1 Interface of neutral wire 5 Interface of live wire
for outdoor unit 9 Tube temperature sensor 13 Up&down swing 2
2 Interface of fuse 6 Interface of jumper
cap 10 Ambient temperature sensor 14 Up&down swing 1
3 Interface of live wire 7 Indoor fan motor 11 Communication interface for
radio-frequency, WIFI 15 Display interface
4Interface of communication wire
for neutral wire and live wire 8 Up&down swing 3 12 Interface of left&right swing / /
09K/12K