Gree GWH09QB-K3DNC2G User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09QB-K3DNA1G
GWH09QB-K3DNA5G
GWH09QB-K3DNA5G
GWH09QB-K3DNB2G
GWH09QB-K3DNB4G
GWH09QB-K3DNB6G
GWH09QB-K3DNC2G
GWH09QB-K3DNC4G
GWH12QC-K3DNA1G
GWH12QC-K3DNA5G
GWH12QC-K3DNB2G
GWH12QC-K3DNB4G
GWH12QC-K3DNB6G
GWH12QC-K3DNC2G
GWH12QC-K3DNC4G
(Refrigerant R410A)

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet...........................................................................................................3
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 .....................................................................................................................9
4. Refrigerant System Diagram....................................................................10
5. Electrical Part.........................................................................................................11
5.1 Wiring Diagram...............................................................................................................11
5.2 PCB Printed Diagram .....................................................................................................13
6. Function and Control......................................................................................15
6.1 Remote Controller IntroductionYV1F7 ...........................................................................15
6.2 Remote Controller Introduction YAN1F1 ........................................................................19
6.3 Operation of Smart Control (Smart Phone, Tablet PC) For Gree ...................................23
6.4 Operation of Smart Control (Smart Phone, Tablet PC) .................................................35
6.5 Brief Description of Modes and Functions......................................................................47
Part Ⅱ: Installation and Maintenance .................................................51
7. Notes for Installation and Maintenance..........................................51
8. Installation................................................................................................................53
8.1 Installation Dimension Diagram......................................................................................53
8.2 Installation Parts-checking ............................................................................................55
8.3 Selection of Installation Location....................................................................................55
8.4 Electric Connection Requirement...................................................................................55
8.5 Installation of Indoor Unit................................................................................................55
8.6 Installation of Outdoor Unit.............................................................................................58
8.7 Vacuum Pumping and Leak Detection ...........................................................................59
8.8 Check after Installation and Test operation ....................................................................59
Table of Contents

Service Manual
9. Maintenance............................................................................................................60
9.1 Error Code List ...............................................................................................................60
9.2 Procedure of Troubleshooting ........................................................................................68
9.3 Troubleshooting for Normal Malfunction.........................................................................83
10. Exploded View and Parts List ..............................................................85
10.1 Indoor Unit....................................................................................................................85
10.2 Outdoor Unit .................................................................................................................93
11. Removal Procedure.......................................................................................95
11.1 Removal Procedure of Indoor Unit ...............................................................................95
11.2 Removal Procedure of Outdoor Unit ..........................................................................100
Appendix:......................................................................................................................106
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................106
Appendix 2: Conguration of Connection Pipe...................................................................106
Appendix 3: Pipe Expanding Method .................................................................................107
Appendix 4: List of Resistance for Temperature Sensor ....................................................108
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH09QB-K3DNA1G/I
GWH12QC-K3DNA1G/I
GWH09QB-K3DNB6G/I
GWH12QC-K3DNB6G/I
GWH09QB-K3DNA5G/I
GWH12QC-K3DNA5G/I
GWH09QB-K3DNC4G/I
GWH12QC-K3DNC4G/I
GWH09QB-K3DNC2G/I
GWH12QC-K3DNC2G/I
GWH09QB-K3DNB2G/I
GWH12QC-K3DNB2G/I
GWH09QB-K3DNB4G/I
GWH12QC-K3DNB4G/I

2Technical Information
Service Manual
Remote Controller
YV1F7 YAN1F1
MODE
FAN
TIMER ON
TURBO
CLOCK
TEMP
IFEEL
ON/OFF
SWING
TIMER OFF
SLEEP
X-FAN
WIFI
GWH09QB-K3DNC2G(CB439000402) YV1F7
All models except
GWH09QB-K3DNC2G(CB439000402) YAN1F1
Outdoor Unit
GWH09QB-K3DNA1G/O
GWH12QC-K3DNA1G/O

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model
1.GWH09QB-K3DNA1G
2.GWH09QB-K3DNB6G
3.GWH09QB-K3DNA5G
4.GWH09QB-K3DNB4G
5.GWH09QB-K3DNC2G
6.GWH09QB-K3DNC4G
1.GWH12QC-K3DNA1G
2.GWH12QC-K3DNB6G
3.GWH12QC-K3DNA5G
4.GWH12QC-K3DNB4G
5.GWH12QC-K3DNC2G
Product Code
1.CB419005503 2.CB435000404
3.CB425003503 4.CB434002304
5.CB439000402 6.CB444001202
1.CB419005403 2.CB435000103
3.CB425003603 4.CB434002103
5.CB439000101
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(600~3960)
Heating Capacity(Min~Max) W 2800(450~4100) 3670(600~5130)
Cooling Power Input(Min~Max) W 805(200~1420) 1084(220~1550)
Heating Power Input(Min~Max) W 755(200~1550) 989(220~1650)
Cooling Current Input A 3.7 5.2
Heating Current Input A 3.4 5.0
Rated Input W 1550 1650
Rated Current A 6.3 6.9
Air Flow Volume(SH/H/M//L/SL) m3/h 560/490/430/330/- 660/540/460/330/-
Dehumidifying Volume L/h 0.8 1.4
EER W/W 3.23 3.23
COP W/W 3.71 3.71
SEER W/W 6.1 6.1
SCOP W/W / /
Application Area m212-18 16-24
Indoor
Unit
Indoor Unit Model
1.GWH09QB-K3DNA1G/I2.GWH09QB-K3DNB6G/I
3.GWH09QB-K3DNA5G/I4.GWH09QB-K3DNB4G/I
5.GWH09QB-K3DNC2G/I6.GWH09QB-K3DNC4G/I
1.GWH12QC-K3DNA1G/I
2.GWH12QC-K3DNB6G/I
3.GWH12QC-K3DNA5G/I
4.GWH12QC-K3DNB4G/I
5.GWH12QC-K3DNC2G/I
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X580 Ф98X633.5
Cooling Speed(SH/H/M//L/SL) r/
min 1300/1200/1050/800/- 1350/1200/1050/850/-
Heating Speed(SH/H/M//L/SL) r/
min 1300/1200/1050/900/- 1300/1150/1000/900/-
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.22 0.31
Fan Motor Capacitor μF 1 1.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Φ5
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 584X22.8X266.7 635X22.8X306.3
Swing Motor Model MP24AA 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) 39/36/32/26/- 39/33/26/-/-
Sound Power Level(SH/H/M//L/SL) dB
(A) 49/46/42/36/- 49/43/36/-/-
Dimension (WXHXD) mm 790X275X200 845X289X209
Dimension of Carton Box (LXWXH) mm 863X268X352 918X278X364
Dimension of Package(LXWXH) mm 866X271X367 921X281X379
Net Weight kg 9 10
Gross Weight kg 11 12

4Technical Information
Service Manual
Parameter Unit Value
Model 7.GWH09QB-K3DNB2G 6.GWH12QC-K3DNB2G
7.GWH12QC-K3DNC4G
Product Code 7.CB432002204 6.CB432002103
7.CB444001302
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(600~3960)
Heating Capacity(Min~Max) W 2800(450~4100) 3670(600~5130)
Cooling Power Input(Min~Max) W 805(200~1420) 1084(220~1550)
Heating Power Input(Min~Max) W 755(200~1550) 989(220~1650)
Cooling Current Input A 3.7 5.2
Heating Current Input A 3.4 5.0
Rated Input W 1550 1650
Rated Current A 6.3 6.9
Air Flow Volume(SH/H/M//L/SL) m3/h 560/490/430/330/- 660/540/460/330/-
Dehumidifying Volume L/h 0.8 1.4
EER W/W 3.23 3.23
COP W/W 3.71 3.71
SEER W/W 6.1 6.1
SCOP W/W / /
Application Area m212-18 16-24
Indoor
Unit
Indoor Unit Model 7.GWH09QB-K3DNB2G/I 6.GWH12QC-K3DNB2G/I
7.GWH12QC-K3DNC4G/I
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X580 Ф98X633.5
Cooling Speed(SH/H/M//L/SL) r/
min 1300/1200/1050/800/- 1350/1200/1050/850/-
Heating Speed(SH/H/M//L/SL) r/
min 1300/1200/1050/900/- 1300/1150/1000/900/-
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.22 0.31
Fan Motor Capacitor μF 1 1.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Φ5
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 584X22.8X266.7 635X22.8X306.3
Swing Motor Model MP24AA 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) 39/36/32/26/- 39/33/26/-/-
Sound Power Level(SH/H/M//L/SL) dB
(A) 49/46/42/36/- 49/43/36/-/-
Dimension (WXHXD) mm 790X275X200 845X289X209
Dimension of Carton Box (LXWXH) mm 863X268X352 918X278X364
Dimension of Package(LXWXH) mm 866X271X367 921X281X379
Net Weight kg 9 10
Gross Weight kg 11 12

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 GWH12QC-K3DNA1G/O
Outdoor Unit Product Code CB419W05501 CB419W05401
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXA-A086zC190B QXA-A086zC190B
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
Compressor LRA. A 40 40
Compressor RLA A 3.1 3.1
Compressor Power Input W 850 850
Compressor Overload Protector 1NT11L-6233 1NT11L-6233
Throttling Method Capillary Capillary
Set Temperature Range ºC 18~43 18~43
Cooling Operation Ambient Temperature
Range ºC -15~43 -15~43
Heating Operation Ambient Temperature
Range ºC -22~24 -22~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7
Condenser Rows-n Gap mm 1-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 710X19.05X508 710X38.1X508
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.36 0.36
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 1600 1600
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ400 Φ400
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
Sound Pressure Level (H/M/L) dB (A) 52/-/- 53/-/-
Sound Power Level (H/M/L) dB (A) 61/-/- 62/-/-
Dimension(WXHXD) mm 776X540X320 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580 848X360X580
Dimension of Package(LXWXH) mm 851X363X595 851X363X595
Net Weight kg 28 29
Gross Weight kg 31 32
Refrigerant R410A R410A
Refrigerant Charge kg 0.7 0.85
Connection
Pipe
Connection Pipe Length m 4 4
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ9.52 Φ9.52
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
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
-22-15 -10-50 510
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
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:4m
Condition
Indoor:DB20°C
Indoor air flow:
High
Pipe length:4m
Condition
Indoor:DB 27°C
Indoor air flow: Super High
Pipe length:4m
Voltage:230V
Condition
Indoor:DB 20°C
Indoor air flow: Super High
Pipe length:4m
Voltage:230V

7
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:4m.
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
42
44
46
48
50
52
54
56
58
20 4030 50 60 70 80
90
Noise dB(A)
12K
09K

8Technical 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

9
Technical Information
Service Manual
3.2 Outdoor Unit
712
776
257
320
540
286
510
Unit:mm

10 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)

11
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.
T-SENSOR
TEMP.
SENSOR
TEMP.
SENSOR
RT1
ROOM
TUBE
STEPPING
DISPLAY
PRINTED CIRCUIT BOARD
RECEIVER AND
DISPLAY BOARD
CABLE
CONNECTING
SWING-UD
MOTOR
BLOCK
TERMINAL
AP2
JUMP
CAP BU
BK
YEGN
EVAPORATOR
PE
XT
2
N(1)
M2
OUTDOOR UNIT
AP1
PG
GENERATOR
COLD PLASMA
FAN MOTOR
M1 RD BU
HEALTH-N
HEALTH-L
PGF
DISP1 DISP2
3BN
YEGN
RT2
N1
COM-OUT
L
BU
BK
BN
L
L
WIFI MODULE
AP3
(COM-MANUAL)
WIFI
θ
θ
6363222005

12 Technical Information
Service Manual
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
● Outdoor Unit
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13
Technical Information
Service Manual
5.2 PCB Printed Diagram
Indoor Unit
● Top view
● Bottom view
No. Name
1Terminal with otdoor unit
communication wire
2Live wire
3Fuse
4Neutral wire
5Health neutral wire
6 PG motor needle stand
7Health live wire
8Auto button
9 Up&down swing motor
10 PG feedback interface of
indoor fan
11 Detecting plate(WIFI)
12 Interface of tube temperature
sensor
13 Display interface
14 Jumper cap
1
2
3
4
5 6 79
810
11
12
13
14
High voltag

14 Technical Information
Service Manual
4
5
6
7
8
9
10
11
1213
14
15
1
2
3
● Top view
Outdoor Unit
● Bottom view
No. Name
1 Compressor
2 Reactor 2
3 Reactor 1
4Chassis electric heating
5Compressor electric heating
64-way valve
7 DC fan
8Earthing wire
9Communication wire
10 Neutral wire
11 Live wire
12 Electronic expansion valve
13 Temperature sensor
14 Overloard
15 DRED

15
Technical Information
Service Manual
6. Function and Control
6.1 Remote Controller IntroductionYV1F7
Buttons on remote controller
Introduction for icons on display screen
1
14
3
1
13
2
2
5
4
6
7
8
11
12
13
9
14
15
ON/OFF button
▲ button
3
FAN button
SWING button
TIMER OFF button
TURBO button
10
TEMP button
I FEEL button
button
CLOCK button
TIMER ON button
SLEEP button
Send signal
Turbo mode
8heating function
Set temperature
Set time
WIFI
TIMER ON /
TIMER OFF
Child lock
Up & down swing
Set fan speed
ventilation operation
Light
Temp. display type
:Set temp.
:Outdoor ambient temp.
:Indoor ambient temp.
Sleep mode
Clock
Heat mode
Fan mode
Dry mode
Cool mode
Auto mode
Operation mode
I feel
6
9
8
12
15
4
7
10
5
11
X-FAN button
/
MODE button
▲
button
X-fan mode
health function
Introduction for buttons on remote controller
Note:
●
●
After putting through the power, the air conditioner will give out a sound. Operation indictor " " is ON (red indicator).
After that, you can operate the air conditioner by using remote controller.
●
Under on status, pressing the button on the remote controller, the signal icon " "
on the display of remote controller
will blink once and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner
.
● Under off status, set temperature and clock icon will be displayed on the display
of remote controller (If timer on, timer
off and light functions are set, the corre-
sponding icons will be displayed on the display of remote controller at the same
time); Under on status, the display will show the corresponding set function icons.
Press this button to turn on the unit. Press this button again to turn off the unit.
Press this button to increase set temperature. Holding it down above 2 seconds rapidly increases set temperature.
In AUTO mode, set temperature is not adjustable.
WIFI
WIFI
This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function,
which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the
original running status.

16 Technical Information
Service Manual
AUTO
COOL DRY FAN HEAT*
OFF

17
Technical Information
Service Manual
battery
Cover of battery box
remove
reinstall
Press "MODE" and "TURBO" buttons:
Press "MODE" and "TURBO" button simultaneously to turn on or turn off WIFI function. When WIFI function is turned on,
the " " icon will be displayed on remote controller; Long press "MODE" and "TURBO" buttons simultaneously for 10s,
remote controller will send WIFI reset code and then the WIFI function will be turned on. WIFI function is defaulted ON
after energization of the remote controller.
About WIFI Funtion