Gree GWH09KF-K3DNA6G/I User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09KF-K3DNA6G/I
GWH12KF-K3DNA6G/I
(Refrigerant R410A)

Service Manual
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 Noise Curve........................................................................................................................ 3
3. Outline Dimension Diagram.......................................................................... 4
4. Refrigerant System Diagram........................................................................ 5
5. Electrical Part............................................................................................................. 6
5.1 Wiring Diagram................................................................................................................... 6
5.2 PCB Printed Diagram ......................................................................................................... 7
6. Function and Control.......................................................................................... 8
6.1 Remote Controller Introduction ......................................................................................... 8
6.2 Brief Description of Modes and Functions........................................................................ 12
Part Ⅱ: Installation and Maintenance ................................................... 16
7. Notes for Installation and Maintenance............................................ 16
8. Installation.................................................................................................................. 18
8.1 Installation Dimension Diagram........................................................................................ 18
8.2 Installation Parts-checking .............................................................................................. 20
8.3 Selection of Installation Location...................................................................................... 20
8.4 Electric Connection Requirement..................................................................................... 20
8.5 Installation of Indoor Unit.................................................................................................. 20
8.6 Check after Installation and Test Operation ..................................................................... 23
9. Maintenance.............................................................................................................. 24
9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ........................................ 24
9.2 Procedure of Troubleshooting .......................................................................................... 32
9.3 Maintenance Method for Normal Malfunction................................................................... 37
10. Exploded View and Parts List ................................................................ 39

Service Manual
Table of Contents Table of Contents
11. Removal Procedure............................................................................................41
Appendix:.............................................................................................................................55
Appendix 1: Reference Sheet of Celsius and Fahrenheit .........................................................55
Appendix 2: Conguration of Connection Pipe..........................................................................55
Appendix 3: Pipe Expanding Method ........................................................................................56
Appendix 4: List of Resistance for Temperature Sensor ...........................................................57

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit:
GWH09KF-K3DNA6G/I
GWH12KF-K3DNA6G/I
Remote Controller:
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

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH09KF-K3DNA6G/I GWH12KF-K3DNA6G/I
Product Code CB146N36200 CB146N36100
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)
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
Fan Type Cross-ow Cross-ow
Fan Diameter-height mm Ф92X596 Ф92X596
Fan Motor Speed (SH/H/M/L) Cool rpm 1350/1100/900/700 1350/1150/950/750
Fan Motor Speed (SH/H/M/L) Heat rpm 1350/1140/980/820 1350/1190/1020/850
Fan Motor Power Output W 10 10
Fan Motor Running Current A 0.18 0.18
Fan Motor Capacitor μF 1.2 1.2
Evaporator Material Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7 Ф7
Evaporator Number of Rows 2 2
Evaporator Fin Pitch mm 1.4 1.4
Evaporator Length(L)XHeight(H)XWidth(W) mm 610X24X294 610X24X294
Motor Model MP24BA MP24BA
Overload Protector / /
Motor Full Load Amp(FLA) A 3.15 3.15
Sound Pressure Level (SH/H/M/L) dB (A) 41/38/30/24 42/39/31/25
Sound Power Level (SH/H/M/L) dB (A) 55/52/44/38 56/53/45/39
Outline Dimension (WXHXD) mm 770X283X201 770X283X201
Package Carton Dimension (LXWXH) mm 844X342X261 844X342X261
Package Dimension (LXWXH) mm 847X345X276 847X345X276
Net Weight kg 8 9
Gross Weight kg 9.5 10.5
Liquid pipe mm Φ6 Φ6
Gas Pipe(to indoor unit) mm Φ9.52 Φ9.52
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

3
Technical Information
Service Manual
2.2 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

4Technical Information
Service Manual
3. Outline Dimension Diagram
Indoor Unit
Φ70
Φ70
70
90
4545
40
Φ55 Φ55
Φ55
Φ55
40
41.3
41.3
71
161
54
54.5
120.5 548.5
770 201
283
103
149 542 176
130 685 193
unit:mm

5
Technical Information
Service Manual
4. Refrigerant System Diagram
Indoor unit Outdoor unit
COOLING
HEATING
Accumlator
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Compressor
Strainer Strainer
Capillary
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
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm)

6Technical 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.
3
2
(optional)
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.

7
Technical Information
Service Manual
5.2 PCB Printed Diagram
Indoor Unit
●TOP VIEW
●BOTTOM VIEW
No. Name
1 Interface of live wire
2Interface of live wire for
health function
3 Interface of neutral wire
4Interface of neutral wire for
health function
5Interface of neutral wire and
live wire communication
6Control interface of PG
motor
7Feedback interface of
indoor fan
8Indoor tube temperature
sensor interface
9Ambient temperature
sensor interface
10 Up & down swing
11 Interface of display
12 Jumper cap
1 2 3 4 5 6 7 8 9
10
11
12