Gree GWH09QB-K3DNA1G User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09QB-K3DNA1G
GWH09QB-K3DNA2G
GWH09QB-K3DNA5G
GWH09QB-K3DNB2G
GWH09QB-K3DNB4G
GWH09QB-K3DNB6G
GWH12QC-K3DNA1G
GWH12QC-K3DNA2G
GWH12QC-K3DNA5G
GWH12QC-K3DNB2G
GWH12QC-K3DNB4G
GWH12QC-K3DNB6G
(Refrigerant R410A)

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 ......................................................................................10
2.3 Capacity Variation Ratio According to Temperature .......................................................10
2.4 Cooling and Heating Data Sheet in Rated Frequency ...................................................11
2.5 Noise Curve....................................................................................................................11
3. Outline Dimension Diagram......................................................................12
3.1 Indoor Unit......................................................................................................................12
3.2 Outdoor Unit ...................................................................................................................13
4. Refrigerant System Diagram....................................................................14
5. Electrical Part.........................................................................................................15
5.1 Wiring Diagram...............................................................................................................15
5.2 PCB Printed Diagram.....................................................................................................18
6. Function and Control......................................................................................20
6.1 Remote Controller Introduction .....................................................................................20
6.2 Brief Description of Modes and Functions......................................................................24
Part Ⅱ: Installation and Maintenance .................................................28
7. Notes for Installation and Maintenance..........................................28
8. Installation................................................................................................................30
8.1 Installation Dimension Diagram......................................................................................30
8.2 Installation Parts-checking ............................................................................................32
8.3 Selection of Installation Location....................................................................................32
8.4 Electric Connection Requirement...................................................................................32
8.5 Installation of Indoor Unit................................................................................................32
8.6 Installation of Outdoor Unit.............................................................................................35
8.7 Vacuum Pumping and Leak Detection ...........................................................................36
8.8 Check after Installation and Test Operation ...................................................................36
Table of Contents

Service Manual
9. Maintenance............................................................................................................37
9.1 Error Code List...............................................................................................................37
9.2 Procedure of Troubleshooting ........................................................................................45
9.3 Troubleshooting for Normal Malfunction.........................................................................59
10. Exploded View and Parts List..............................................................61
10.1 Indoor Unit....................................................................................................................61
10.2 Outdoor Unit .................................................................................................................72
11. Removal Procedure.......................................................................................75
11.1 Removal Procedure of Indoor Unit ...............................................................................75
11.2 Removal Procedure of Outdoor Unit ............................................................................80
Appendix:........................................................................................................................86
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................86
Appendix 2: Conguration of Connection Pipe.....................................................................86
Appendix 3: Pipe Expanding Method ...................................................................................87
Appendix 4: List of Resistance for Temperature Sensor ......................................................88
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
Outdoor Unit
GWH09QB-K3DNA1G/O
GWH12QC-K3DNA1G/O
A1 panel
A2 panel
A5 panel
B2 panel
B6 panel
B4 panel
Remote Controller
YAN1F1

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model 1.GWH09QB-K3DNA1G 2.GWH09QB-K3DNA5G 3.GWH09QB-K3DNB2G 4.GWH09QB-K3DNB4G
5.GWH09QB-K3DNB6G
Product Code 1.CB419005501 2.CB425003501 3.CB432002201 4.CB434002301
5.CB435000401
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 2600(450~3230)
Heating Capacity(Min~Max) W 2800(450~4100)
Cooling Power Input(Min~Max) W 805(200~1420)
Heating Power Input(Min~Max) W 755(200~1550)
Cooling Current Input A 3.7
Heating Current Input A 3.4
Rated Input W 1550
Rated Current A 6.9
Air Flow Volume(SH/H/M//L/SL) m3/h 560/490/430/330/-
Dehumidifying Volume L/h 0.8
EER W/W 3.23
COP W/W 3.71
SEER W/W 6.1
HSPF W/W /
Application Area m212-18
Indoor
Unit
Indoor Unit Model 1.GWH09QB-K3DNA1G/I 2.GWH09QB-K3DNA5G/I 3.GWH09QB-K3DNB2G/I 4.GWH09QB-K3DNB4G/I
5.GWH09QB-K3DNB6G/I
Indoor Unit Product Code 1.CB419N05501 2.CB425N03500 3.CB432N02200 4.CB434N02300
5.CB435N00400
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф98X580
Cooling Speed(SH/H/M//L/SL) r/min 1300/1200/1050/800/-
Heating Speed(SH/H/M//L/SL) r/min 1300/1200/1050/900/-
Fan Motor Power Output W 20
Fan Motor RLA A 0.215
Fan Motor Capacitor μF 1
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 584X22.8X266.7
Swing Motor Model MP24AA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 39/36/32/26/-
Sound Power Level(SH/H/M//L/SL) dB (A) 55/52/44/38/-
Dimension (WXHXD) mm 790X275X200
Dimension of Carton Box (LXWXH) mm 863X268X352
Dimension of Package(LXWXH) mm 866X271X367
Net Weight kg 9
Gross Weight kg 11

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 GWH09QB-K3DNA1G/O
Outdoor Unit Product Code CB419W05501
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-A086zC190
Compressor Oil RB68EP
Compressor Type Rotary
Compressor LRA. A 40
Compressor RLA A 3.1
Compressor Power Input W 850
Compressor Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43
Heating Operation Ambient Temperature
Range ºC -20~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 1-1.4
Condenser Coil Length (LXDXW) mm 710X19.05X508
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.36
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
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) 52/-/-
Sound Power Level (H/M/L) dB (A) 61/-/-
Dimension(WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package(LXWXH) mm 851X363X595
Net Weight kg 28
Gross Weight kg 31
Refrigerant R410A
Refrigerant Charge kg 0.7
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
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 1.GWH09QB-K3DNA1G 2.GWH09QB-K3DNA2G
3.GWH09QB-K3DNB4G 4.GWH09QB-K3DNB6G
Product Code 1.CB419005500 2.CB426001200
3.CB434002302 4.CB435000403
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 2600(450~3230)
Heating Capacity(Min~Max) W 2800(450~4100)
Cooling Power Input(Min~Max) W 805(200~1420)
Heating Power Input(Min~Max) W 755(200~1550)
Cooling Current Input A 3.7
Heating Current Input A 3.4
Rated Input W 1550
Rated Current A 6.9
Air Flow Volume(SH/H/M//L/SL) m3/h 560/490/430/330/-
Dehumidifying Volume L/h 0.8
EER W/W 3.23
COP W/W 3.71
SEER W/W 6.1
HSPF W/W /
Application Area m212-18
Indoor
Unit
Indoor Unit Model 1.GWH09QB-K3DNA1G/I 2.GWH09QB-K3DNA2G/I
3.GWH09QB-K3DNB4G/I 4.GWH09QB-K3DNB6G/I
Indoor Unit Product Code 1.CB419N05500 2.CB426N01200
3.CB434N02302 4.CB435N00403
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф98X580
Cooling Speed(SH/H/M//L/SL) r/min 1300/1200/1050/800/-
Heating Speed(SH/H/M//L/SL) r/min 1300/1200/1050/900/-
Fan Motor Power Output W 20
Fan Motor RLA A 0.215
Fan Motor Capacitor μF 1
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 584X22.8X266.7
Swing Motor Model MP24AA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 39/36/32/26/-
Sound Power Level(SH/H/M//L/SL) dB (A) 55/52/44/38/-
Dimension (WXHXD) mm 790X275X200
Dimension of Carton Box (LXWXH) mm 863X268X352
Dimension of Package(LXWXH) mm 866X271X367
Net Weight kg 9
Gross Weight kg 11

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 GWH09QB-K3DNA1G/O
Outdoor Unit Product Code CB419W05500
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-A086zC190
Compressor Oil RB68EP
Compressor Type Rotary
Compressor LRA. A 40
Compressor RLA A 3.1
Compressor Power Input W 850
Compressor Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43
Heating Operation Ambient Temperature
Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 1-1.4
Condenser Coil Length (LXDXW) mm 710X19.05X508
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.36
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
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) 52/-/-
Sound Power Level (H/M/L) dB (A) 61/-/-
Dimension(WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package(LXWXH) mm 851X363X595
Net Weight kg 28
Gross Weight kg 31
Refrigerant R410A
Refrigerant Charge kg 0.7
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Parameter Unit Value
Model
1.GWH12QC-K3DNA1G
2.GWH12QC-K3DNA5G
3.GWH12QC-K3DNB2G
4.GWH12QC-K3DNB4G
5.GWH12QC-K3DNB6G
GWH12QC-K3DNA2G
Product Code 1.CB419005401 2.CB425003601 3.CB432002101 4.CB434002101
5.CB435000101 CB426001301
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 3500(600~3960) 3500(600~3960)
Heating Capacity(Min~Max) W 3670(600~5130) 3670(600~5130)
Cooling Power Input(Min~Max) W 1084(200~1550) 1084(200~1550)
Heating Power Input(Min~Max) W 989(220~1650) 989(220~1650)
Cooling Current Input A 5.2 5.2
Heating Current Input A 5.0 5.0
Rated Input W 1650 1650
Rated Current A 7.3 7.3
Air Flow Volume(SH/H/M//L/SL) m3/h 660/540/460/330/- 660/540/460/330/-
Dehumidifying Volume L/h 1.4 1.4
EER W/W 3.23 3.23
COP W/W 3.71 3.71
SEER W/W 6.1 6.1
HSPF W/W / /
Application Area m216-24 16-24
Indoor
Unit
Indoor Unit Model
1.GWH12QC-K3DNA1G/I
2.GWH12QC-K3DNA5G/I
3.GWH12QC-K3DNB2G/I
4.GWH12QC-K3DNB4G/I
5.GWH12QC-K3DNB6G/I
GWH12QC-K3DNA2G/I
Indoor Unit Product Code 1.CB419N05401 2.CB425N03600 3.CB432N02101 4.CB434N02100
5.CB435N00100 CB426N01300
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5 Ф98X633.5
Cooling Speed(SH/H/M//L/SL) r/min 1350/1200/1050/850/- 1350/1200/1050/850/-
Heating Speed(SH/H/M//L/SL) r/min 1300/1150/1000/900/- 1300/1150/1000/900/-
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor μF 1.5 1.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Ф5
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 MP24BA MP24BA
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 42/39/33/26/- 42/39/33/26/-
Sound Power Level(SH/H/M//L/SL) dB (A) 57/53/45/42/- 57/53/45/42/-
Dimension (WXHXD) mm 845X289X209 845X289X209
Dimension of Carton Box (LXWXH) mm 918X278X364 918X278X364
Dimension of Package(LXWXH) mm 921X281X379 921X281X379
Net Weight kg 10 10
Gross Weight kg 12 12.5

7
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 GWH12QC-K3DNA1G/O
Outdoor Unit Product Code CB419W05401
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-A086zC190
Compressor Oil RB68EP
Compressor Type Rotary
Compressor LRA. A 40
Compressor RLA A 3.1
Compressor Power Input W 850
Compressor Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43
Heating Operation Ambient Temperature
Range ºC -20~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 710X38.1X506
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.36
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
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) 53/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension(WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package(LXWXH) mm 851X363X595
Net Weight kg 29
Gross Weight kg 32
Refrigerant R410A
Refrigerant Charge kg 0.85
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф9.52
Max Distance Height m 10
Max Distance Length m 20
Note: The connection pipe applies metric diameter.

8Technical Information
Service Manual
Parameter Unit Value
Model 1.GWH12QC-K3DNA1G 2.GWH12QC-K3DNA5G 2.GWH12QC-K3DNB2G 4.GWH12QC-K3DNB4G
3.GWH12QC-K3DNB6G
Product Code 1.CB419005400 2.CB425003602 2.CB432002100 4.CB434002102
3.CB435000100
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 3500(600~3960)
Heating Capacity(Min~Max) W 3670(600~5130)
Cooling Power Input(Min~Max) W 1084(200~1550)
Heating Power Input(Min~Max) W 989(220~1650)
Cooling Current Input A 5.2
Heating Current Input A 5.0
Rated Input W 1650
Rated Current A 7.3
Air Flow Volume(SH/H/M//L/SL) m3/h 660/540/460/330/-
Dehumidifying Volume L/h 1.4
EER W/W 3.23
COP W/W 3.71
SEER W/W 6.1
HSPF W/W /
Application Area m216-24
Indoor
Unit
Indoor Unit Model 1.GWH12QC-K3DNA1G/I 2.GWH12QC-K3DNA5G/I 3.GWH12QC-K3DNB2G/I 4.GWH12QC-K3DNB4G/I
5.GWH12QC-K3DNB6G/I
Indoor Unit Product Code 1.CB419N05400 2.CB425N03602 3.CB432N02100 4.CB434N02102
5.CB435N00100
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5
Cooling Speed(SH/H/M//L/SL) r/min 1350/1200/1050/850/-
Heating Speed(SH/H/M//L/SL) r/min 1300/1150/1000/900/-
Fan Motor Power Output W 20
Fan Motor RLA A 0.31
Fan Motor Capacitor μF 1.5
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 635X22.8X306.3
Swing Motor Model MP24BA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 42/39/33/26/-
Sound Power Level(SH/H/M//L/SL) dB (A) 57/53/45/42/-
Dimension (WXHXD) mm 845X289X209
Dimension of Carton Box (LXWXH) mm 918X278X364
Dimension of Package(LXWXH) mm 921X281X379
Net Weight kg 10
Gross Weight kg 12

9
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 GWH12QC-K3DNA1G/O
Outdoor Unit Product Code CB419W05400
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-A086zC190
Compressor Oil RB68EP
Compressor Type Rotary
Compressor LRA. A 40
Compressor RLA A 3.1
Compressor Power Input W 850
Compressor Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43
Heating Operation Ambient Temperature
Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 710X38.1X506
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.36
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
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) 53/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension(WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package(LXWXH) mm 851X363X595
Net Weight kg 29
Gross Weight kg 32
Refrigerant R410A
Refrigerant Charge kg 0.85
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф9.52
Max Distance Height m 10
Max Distance Length m 20
Note: The connection pipe applies metric diameter.

10 Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Compressor Speed(rps) 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(%)
Outdoor temp. (°C)
Capacity ratio(%)
gnitaeHgnilooC
gnitaeHgnilooC
-20-15 -10-50
51
0
110
120
130
100
90
80
70
60
50
40
Outdoor temp.(°C)
0
1
2
3
4
5
6
7
8
9
10
020406080100 120
WB19
°C
0
1
2
3
4
5
6
7
8
020406080 100 120
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(%)
Outdoor temp. (°C)
Capacity ratio(
%)
–15 –10 –5
110
100
90
80
70
60
50
40
05
71
0
Conditions
Indoor:DB20°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB20°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB 27°C
Indoor air flow: Super High
Pipe length:5m
Voltage:230V
Condition
Indoor:DB 20°C
Indoor air flow: Super High
Pipe length:5m
Voltage:230V
Heating operation ambient temperature range is -20ºC~24ºC
Heating operation ambient temperature range is -15ºC~24ºC

11
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
frequency
(Hz)
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 52
12K 72
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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 09K 2.2 to 2.4 70 to 35 2 to 4 Super High High 65
12K 77
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
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

12 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
Model W H D
09K 790 275 200
12K 845 289 209
W
12K
09K
D
H
90
150
54
168.5 462 159.5
Φ55 Φ55
54
123.5542 179.5
83.2
124.7
35
Φ55 Φ55
35

13
Technical Information
Service Manual
3.2 Outdoor Unit
712
776
257
320
540
286
510
Unit:mm

14 Technical Information
Service Manual
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electron
expansion
valve
Strainer
Capillary
Accumlator
Compressor
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm)

15
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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GWH09QB-K3DNB4G/I(CB434N02300) GWH09QB-K3DNB6G/I(CB435N00400) GWH12QC-K3DNA1G/I(CB419N05401)
GWH12QC-K3DNA2G/I(CB426N01300) GWH12QC-K3DNA5G/I(CB425N03602) GWH12QC-K3DNB2G/I(CB432N02101)
GWH12QC-K3DNB4G/I(CB434N02100) GWH12QC-K3DNB6G/I(CB435N00100)
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16 Technical Information
Service Manual
● Outdoor Unit
GWH09QB-K3DNA1G/O(CB419W05501) GWH12QC-K3DNA1G/O(CB419W05401)
GWH09QB-K3DNA1G/I(CB419N05500) GWH09QB-K3DNB4G/I(CB434N02302) GWH09QB-K3DNA5G/I(CB425N03500)
GWH09QB-K3DNB6G/I(CB435N00403) GWH12QC-K3DNB4G/I(CB434N02102) GWH12QC-K3DNA1G/I(CB419N05400)
GWH12QC-K3DNB2G/I(CB432N02100) GWH12QC-K3DNA5G/I(CB425N03600)
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17
Technical Information
Service Manual
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
GWH09QB-K3DNA1G/O(CB419W05500) GWH12QC-K3DNA1G/O(CB419W05400)
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