GREE ELECTRIC GWH09ACB-K3NNA1A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09ACB-K3NNA1A
GWH12ACB-K3NNA1A
GWH12ACC-K3NNA1A
GWH18ACC-K3NNA1A
(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 Capacity Curve in Different Outdoor Temperature ...........................................................8
2.3 Cooling and Heating Data Sheet in Rated Frequency .....................................................8
3. Outline Dimension Diagram........................................................................9
3.1 Indoor Unit........................................................................................................................9
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram....................................................................12
5. Electrical Part.........................................................................................................13
5.1 Wiring Diagram...............................................................................................................13
5.2 PCB Printed Diagram .....................................................................................................16
6. Function and Control......................................................................................18
6.1 Remote Controller Introduction ......................................................................................18
6.2 Brief Description of Modes and Functions......................................................................22
Part Ⅱ: Installation and Maintenance .................................................27
7. Notes for Installation and Maintenance..........................................27
8. Installation................................................................................................................30
8.1 Installation Dimension Diagram......................................................................................30
8.2 Installation Parts-Checking ............................................................................................32
8.3 Selection of Installation Location....................................................................................32
8.4 Requirements for electric connection .............................................................................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
9. Maintenance............................................................................................................37
9.1 Error code.......................................................................................................................37
9.2 Procedure of Troubleshooting ........................................................................................39
9.3 Maintenance method for normal malfunction .................................................................44
Table of Contents

Service Manual
10. Exploded View and Parts List ..............................................................46
10.1 Indoor Unit....................................................................................................................46
10.2 Outdoor Unit .................................................................................................................52
11. Removal Procedure.......................................................................................58
11.1 Removal Procedure of Indoor Unit ...............................................................................58
11.2 Removal Procedure of Outdoor Unit ............................................................................63
Appendix:........................................................................................................................77
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................77
Appendix 2: Conguration of Connection Pipe.....................................................................77
Appendix 2: Pipe Expanding Method ...................................................................................78
Appendix 4: List of Resistance for Temperature Sensor ......................................................79
Table of Contents

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
GWH09ACB-K3NNA1A/I
GWH12ACB-K3NNA1A/I
GWH12ACC-K3NNA1A/I
GWH18ACC-K3NNA1A/I
Part Ⅰ: Technical Information
Outdoor Unit:
GWH09AAB-K3NNA1A/O
GWH12QC-K3NNA1A/O
GWH18AAC-K3NNA1A/O
GWH12AAB-K3NNA2A/O
Remote Controller:
YAW1F

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH09ACB-K3NNA1A
Product Code CA497000200/CA497000201
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 2638
Heating Capacity W 2755
Cooling Power Input W 821
Heating Power Input W 763
Cooling Power Current A 4.0
Heating Power Current A 3.5
Rated Input W 1150
Rated Current A 5.6
Air Flow Volume(SH/H/M/L/SL) m3/h 570/500/430/300/-
Dehumidifying Volume L/h 0.8
EER W/W 3.21
COP W/W 3.61
SEER W/W /
HSPF W/W /
Application Area m212-18
Indoor Unit
Model of Indoor Unit GWH09ACB-K3NNA1A/I
Product Code of Indoor Unit CA497N00200/CA497N00201
Fan Type Cross-ow
Diameter Length(DXL) mm Φ93X580
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1300/1200/1100/850/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1250/1150/1050/900/-
Output of Fan Motor W 20
Fan Motor RLA A 0.215
Fan Motor Capacitor μF 1
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Row-n Gap mm 1-1.2
Coil Length (LXDXW) mm 583X19.05X264
Swing Motor Model MP24AN
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 40/37/35/27/-
Sound Power Level (SH/H/M/L/SL) dB (A) 50/47/45/37/-
Dimension (WXHXD) mm 819X256X185
Dimension of Carton Box (LXWXH) mm 863X314X249
Dimension of Package (LXWXH) mm 868X330X260
Net Weight kg 8.5
Gross Weight kg 10

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 of Outdoor Unit GWH09AAB-K3NNA1A/O
Product Code of Outdoor Unit CA115W13700
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXA-B102C130(Ball-shaped cover)
Compressor Oil RB68EP/FV50S
Compressor Type Rotary
L.R.A. A 17
Compressor RLA A 4
Compressor Power Input W 865
Overload Protector UP3-00
Throttling Method Capillary
Operation Temp oC 16~30
Ambient Temp (Cooling) oC 18~43
Ambient Temp (Heating) oC -7~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 655X19.05X396
Fan Motor Speed rpm 950
Output of Fan Motor W 20
Fan Motor RLA A 0.25
Fan Motor Capacitor μF 1.5
Air Flow Volume of Outdoor Unit m3/h 1200
Fan Type Axial-ow
Fan Diameter mm Φ320
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) 48/-/-
Sound Power Level (H/M/L) dB (A) 58/-/-
Dimension (WXHXD) mm 720X428X310
Dimension of Carton Box (LXWXH) mm 765X350X475
Dimension of Package (LXWXH) mm 768X353X490
Net Weight kg 25.5
Gross Weight kg 27.5
Refrigerant R410A
Refrigerant Charge kg 0.63
Connection
Pipe
Length m 5
Gas Additional Charge g/m 15
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
Model GWH12ACC-K3NNA1A GWH18ACC-K3NNA1A
Product Code CA497000100/CA497000101 CA497000700/CA497000701
CA497000702/CA497000703
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 3550 4800
Heating Capacity W 3700 5000
Cooling Power Input W 1106 1495
Heating Power Input W 1025 1500
Cooling Power Current A 4.9 6.81
Heating Power Current A 4.56 6.72
Rated Input W 1500 2150
Rated Current A 7.8 10.96
Air Flow Volume(SH/H/M/L/SL) m3/h 630/540/460/330/- 650/560/480/350/-
Dehumidifying Volume L/h 1.4 1.8
EER W/W 3.21 3.21
COP W/W 3.61 3.61
SEER W/W / /
HSPF W/W / /
Application Area m216-24 21-31
Indoor Unit
Model of Indoor Unit GWH12ACC-K3NNA1A/I GWH18ACC-K3NNA1A/I
Product Code of Indoor Unit CA497N00100/CA497N00101 CA497N00700/CA497N00701
CA497N00702/CA497N00703
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ98X633.5 Φ98X633
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1050/850/- 1350/1200/1050/950/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1300/1150/1000/900/- 1300/1150/1000/900/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor μF 1.5 1.5
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ5 Φ7
Row-n Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 635X22.8X306.3 715X25.4X304.8
Swing Motor Model MP24HF MP24HF
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 41/37/33/29/- 42/38/34/31/-
Sound Power Level (SH/H/M/L/SL) dB (A) 51/47/43/39/- 52/48/44/41/-
Dimension (WXHXD) mm 888X294X212 888X294X212
Dimension of Carton Box (LXWXH) mm 935X349X273 935X349X273
Dimension of Package (LXWXH) mm 940X365X284 940X365X284
Net Weight kg 11 11
Gross Weight kg 13 13

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 of Outdoor Unit GWH12QC-K3NNA1A/O GWH18AAC-K3NNA1A/O
Product Code of Outdoor Unit CA419W00100 CA115W14200
Compressor Manufacturer/Trademark ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXA-C133B030gA QXA-D19F030
Compressor Oil RB68EP/FVC 68D ATMOS-RB68EP or equivalent
Compressor Type Rotary Rotary
L.R.A. A 25 38.00
Compressor RLA A 5.17 7.10
Compressor Power Input W 1120 1540
Overload Protector Internal UP3-A6
Throttling Method Capillary Capillary
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC 18~43 18~48
Ambient Temp (Heating) oC -7~24 -7~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94 Φ7.94
Rows-n Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 757X19.05X506 735X38.1X508
Fan Motor Speed rpm 850 850
Output of Fan Motor W 30 35
Fan Motor RLA A 0.45 0.33
Fan Motor Capacitor μF 2 2.5
Air Flow Volume of Outdoor Unit m3/h 1800 1800
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ400 Φ394.5
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/-/- 56/-/-
Sound Power Level (H/M/L) dB (A) 62/-/- 66/-/-
Dimension (WXHXD) mm 848X540X320 848X540X320
Dimension of Carton Box (LXWXH) mm 878X360X580 878X360X580
Dimension of Package (LXWXH) mm 881X363X595 881X363X595
Net Weight kg 33 39
Gross Weight kg 36 41.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.8 1.26
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 20 15
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ12 Φ12
Max Distance Height m 10 10
Max Distance Length m 20 25
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Model GWH12ACB-K3NNA1A
Product Code CA497000500/CA497000501/CA497000502/CA497000503
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 3250
Heating Capacity W 3400
Cooling Power Input W 1012
Heating Power Input W 941
Cooling Power Current A 4.32
Heating Power Current A 4.40
Rated Input W 1230
Rated Current A 6.3
Air Flow Volume(SH/H/M/L/SL) m3/h 550/500/430/330/-
Dehumidifying Volume L/h 1.2
EER W/W 3.21
COP W/W 3.61
SEER W/W /
HSPF W/W /
Application Area m215-22
Indoor Unit
Model of Indoor Unit GWH12ACB-K3NNA1A/I
Product Code of Indoor Unit CA497N00500/CA497N00501/CA497N00502/CA497N00503
Fan Type Cross-ow
Diameter Length(DXL) mm Φ93X580
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1100/850/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1350/1200/1100/900/-
Output of Fan Motor W 20
Fan Motor RLA A 0.215
Fan Motor Capacitor μF 1
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Row-n Gap mm 1-1.2
Coil Length (LXDXW) mm 583X19.05X264
Swing Motor Model MP24AN
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/39/36/33/-
Sound Power Level (SH/H/M/L/SL) dB (A) 52/49/46/43/-
Dimension (WXHXD) mm 819X256X185
Dimension of Carton Box (LXWXH) mm 863X314X249
Dimension of Package (LXWXH) mm 868X330X260
Net Weight kg 8.5
Gross Weight kg 10

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 of Outdoor Unit GWH12AAB-K3NNA2A/O
Product Code of Outdoor Unit CA115W14100
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model QXA-B120C150A
Compressor Oil RB68EP
Compressor Type Rotary
L.R.A. A 26
Compressor RLA A 4.4
Compressor Power Input W 970
Overload Protector INTERNAL (UP3-02)
Throttling Method Capillary
Operation Temp oC 16~30
Ambient Temp (Cooling) oC 18~43
Ambient Temp (Heating) oC -7~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 697X19.05X506
Fan Motor Speed rpm 850
Output of Fan Motor W 35
Fan Motor RLA A 0.33
Fan Motor Capacitor μF 2.5
Air Flow Volume of Outdoor Unit m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ394
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) 52/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension (WXHXD) mm 782X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580
Dimension of Package (LXWXH) mm 823X358X595
Net Weight kg 30
Gross Weight kg 32.5
Refrigerant R410A
Refrigerant Charge kg 0.72
Connection
Pipe
Length m 5
Gas Additional Charge g/m 15
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ12
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

8Technical Information
Service Manual
2.2 Capacity Curve in Different Outdoor Temperature
2.3 Cooling and Heating Data Sheet in Rated Frequency
Heating
Rated heatling 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
09K 3.5~3.8 in:75~85
out:37~43
in:1~3
out:2~5
Super High High
12K 2.8~3.2 in:55~65
out:25~32
in:1~3
out:2~5
18K 3.5~3.8 in:75~85
out:37~43
in:1~3
out:2~5
40
50
60
70
80
90
100
110
32 33 34 35 36 37 38 39 40 41 42 43 44 45
Outdoor temp.( ) Outdoor temp.( )
)
%
(
oitaryticapa
C
)%(oitaryticapaC
Condition
Indoor:DB27
°C WB19 °C
°C °C
Indoor air flow: Super High
Pipe length:5m
157-7 -5 02
24
0
20
40
60
80
100
120
-10510
Condition Heating
Indoor:DB20
°C
Indoor air flow: Super High
Pipe length:5m
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
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24
09K 0.85~1.0 in:8~11
out:11~14
in:75~85
out:37~43
Super High High12K 0.9~1.1 in:10~14
out:11~14
in:69~74
out:38~45
18K 0.85~1.0 in:8~11
out:11~14
in:75~85
out:37~43
Cooling
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.

9
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
Models W H D W1 W2 W3
09K
GWH12ACB-K3NNA1A/I 819 256 185 154 462 203
GWH12ACC-K3NNA1A/I
18K 888 294 212 201 541.6 145.5
D
H
W
75
35
Φ55
W3W2
W1
Φ55
35
75

10 Technical Information
Service Manual
286
255
428
660 310
440
720
3.2 Outdoor Unit
Unit:mm
09K
848
763
510
540
320
268
Unit:mm
GWH12QC-K3NNA1A/O
GWH18AAC-K3NNA1A/O

11
Technical Information
Service Manual
GWH12AAB-K3NNA2A/O
Unit:mm
712
782
510
320
257
286
540

12 Technical Information
Service Manual
4. Refrigerant System Diagram
Cooling and heating model
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm) 09K
Gas : 1/2" (12 mm) 12/18K
Indoor unit Outdoor unit
Indoor unit Outdoor unit
COOLING
HEATING
Accumlator
4-Way valve
COOLING
Discharge
Suction
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Valve
Valve
Liquid pipe
side
Gas pipe
side
Liquid pipe
side
Gas pipe
side
Compressor
Accumlator
Compressor
Strainer
Strainer
Capillary
StrainerCapillary

13
Technical Information
Service Manual
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 / /
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
●Instruction
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
63632201
GWH09ACB-K3NNA1A/I(CA497N00200/CA497N00201)
GWH12ACC-K3NNA1A/I(CA497N00100/CA497N00101) GWH12ACB-K3NNA1A/I(CA497N00500/CA497N00501)
GWH18ACC-K3NNA1A/I(CA497N00700/CA497N00701)
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14 Technical Information
Service Manual
GWH12ACB-K3NNA1A/I(CA497N00502/CA497N00503) GWH18ACC-K3NNA1A/I(CA497N00702/CA497N00703)
SWING-UD
M2
STEPPING
MOTOR
DISPLAY
RECEIVER AND
DISPLAY BOARD
DISP1 DISP2
AP2
PRINTED CIRCUIT BOARD
JUMP
CAP
OFAN
COMP
AC-L
N1
TERMINAL
BLOCK
C0NNECTING
CABLE
OG
VT
BK
BU
XT
BU
BK
VT
OG
EVAPORATOR
PE
YEGN
YEGN
EARTH-PLATE
PE
YEGN(GN)
BN(BK)
BU(WH) POWER
N
L
OUTDOOR UNIT
N(1)
2
4
5
AP1
PG PGF
FAN MOTOR
M1
SENSOR
0
0
T-SENSOR
SENSOR
RT2
RT1
ROOM TEMP.
TUBE TEMP.
4WAY
K1(K3)
6363220101

15
Technical Information
Service Manual
61413350
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These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
GWH09AAB-K3NNA1A/O(CA115W13700) GWH12QC-K3NNA1A/O(CA419W00100) GWH18AAC-K3NNA1A/O(CA115W14200)
GWH12AAB-K3NNA2A/O(CA115W14100)
● Outdoor Unit
6363361501
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16 Technical Information
Service Manual
5.2 PCB Printed Diagram
● Top view
● Bottom view
1
2
3
4
5
67 89 10 11 12
13
14
15
16
17
18
No. Name
1 Wiring terminal of compressor
2 Terminal of live wire
3Fuse
4Fan capacitor
5Neutral wire terminal of cold
plasma
6 Terminal of neutral wire
7 Wiring terminal of PG motor
8 Live wire terminal for cold plasma
9Wiring terminal of outdoor fan
(heat pump unit)
10 Wiring terminal of 4-way valve
(heat pump unit)
11 Auto button
12 Feedback wiring terminal of PG
motor
13 Wiring terminal of up&down swing
motor
14 Jumper cap
15 Wiring terminal of outer tube
temperature sensor
16 Wiring terminal of indoor unit
temperature sensor
17 Wiring terminal 2 for display
receiving board
18 Wiring terminal 1 of display
receiving board
09K

17
Technical Information
Service Manual
12/18K
1Interface of compressor
2Interface of live wire
3Interface of neutral wire
4Interface of neutral wire for
cold plasma
5Interface of PG motor
6Interface of outdoor fan
7Interface of 4-way valve
8Interface of live wire of cold
plasma
9Interface of up&down swing
10 Feedback interface of PG
motor
11 Interface of left&right swing
12 Jumper
13 Interface of temperature
sensor
14 Interface of display board
1
2
3
4567 8910
11
12
13
14
● Top view
● Bottom view