Gree GWH09YC-K6DNA1A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH09YC-K6DNA1A
GWH09YC-K6DNA2A
GWH12YC-K6DNA1A
GWH12YC-K6DNA2A
(Refrigerant R32)

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 ........................................................................................6
2.3 Capacity Variation Ratio According to Temperature .........................................................6
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................8
2.5 Noise Curve......................................................................................................................8
3. Outline Dimension Diagram........................................................................9
3.1 Indoor Unit........................................................................................................................9
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram....................................................................11
5. Electrical Part.........................................................................................................12
5.1 Wiring Diagram...............................................................................................................12
5.2 PCB Printed Diagram .....................................................................................................16
6. Function and Control......................................................................................18
6.1 Remote Controller Introduction .....................................................................................18
6.2 GREE+ App Operation Manual ......................................................................................23
6.3 Ewpe Smart App Operation Manual ...............................................................................24
6.4 Brief Description of Modes and Functions......................................................................25
Part Ⅱ: Installation and Maintenance .................................................30
7. Notes for Installation and Maintenance..........................................30
8. Installation................................................................................................................33
8.1 Installation Dimension Diagram......................................................................................33
8.2 Installation Parts-checking ............................................................................................35
8.3 Selection of Installation Location....................................................................................35
8.4 Requirements for electric connection .............................................................................35
8.5 Installation of Indoor Unit................................................................................................35
8.6 Installation of Outdoor unit .............................................................................................38
8.7 Vacuum Pumping and Leak Detection ...........................................................................39
8.8 Check after Installation and Test operation ....................................................................39
Table of Contents

Service Manual
9. Maintenance............................................................................................................40
9.1 Troubleshooting for Normal Malfunction.........................................................................40
9.2 Error Code List ...............................................................................................................44
9.3 Troubleshooting for Main Malfunction ............................................................................51
10. Exploded View and Parts List ..............................................................63
10.1 Indoor Unit....................................................................................................................63
10.2 Outdoor Unit .................................................................................................................67
11. Removal Procedure.......................................................................................70
11.1 Removal Procedure of Indoor Unit ...............................................................................70
11.2 Removal Procedure of Outdoor Unit ............................................................................75
Appendix:........................................................................................................................79
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................79
Appendix 2: Conguration of Connection Pipe.....................................................................79
Appendix 3: Pipe Expanding Method ...................................................................................80
Appendix 4: List of resistance for Temperature Sensor........................................................81
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH09YC-K6DNA1A/I
GWH12YC-K6DNA1A/I
GWH09YC-K6DNA2A/I
GWH12YC-K6DNA2A/I
Outdoor Unit
GWH09YC-K6DNA1A/O
GWH12YC-K6DNA1A/O
Remote Controller
YAG1FB
FAN
MODE
ON/OFF
+-

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model GWH09YC-K6DNA1A
GWH09YC-K6DNA2A
GWH12YC-K6DNA1A
GWH12YC-K6DNA2A
Product Code CB437001600
CB466001600
CB437001100
CB466001500
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 2700 3500
Heating Capacity W 2930 3810
Cooling Power Input W 585 950
Heating Power Input W 650 975
Cooling Current Input A 2.6 4.0
Heating Current Input A 2.9 4.5
Rated Input W 1650 1650
Rated Current A 6.4 6.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 660/590/540/490/450/420/390 680/590/540/490/450/420/390
Dehumidifying Volume L/h 0.8 1.4
EER W/W 4.62 3.68
COP W/W 4.51 3.91
SEER W/W 8.5 8.5
SCOP(Average/Warmer/Colder) W/W 4.6/5.4/3.8 4.4/5.1/3.5
Application Area m212-18 16-24
Indoor
Unit
Indoor Unit Model GWH09YC-K6DNA1A/I
GWH09YC-K6DNA2A/I
GWH12YC-K6DNA1A/I
GWH12YC-K6DNA2A/I
Indoor Unit Product Code CB437N01600
CB466N01600
CB437N01100
CB466N01500
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5 Ф98X633.5
Cooling Speed r/min 1300/1200/1120/1050/980/920/750 1350/1200/1120/1050/980/920/750
Heating Speed r/min 1300/1200/1140/1080/1020/960/900 1350/1200/1140/1080/1020/960/900
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.09 0.09
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Φ5
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 MP24EB/MP24HF MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5 1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/SL) dB (A) 41/39/37/35/33/31/24 43/39/37/35/34/32/25
Sound Power Level(SH/H/MH/M/ML/L/SL) dB (A) 56/53/52/50/48/46/39 58/53/52/50/48/46/46
Dimension (WXHXD) mm 865X290X210 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364 928X278X364
Dimension of Package(LXWXH) mm 931X281X379 931X281X379
Net Weight kg 10.5 11
Gross Weight kg 12.5 13

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 GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O
Outdoor Unit Product Code CB437W01600 CB437W01100
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO., LTD
Compressor Model QXF-B096zE190A QXF-B096zE190A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A 20.00 20
Compressor RLA A 4.21 4.21
Compressor Power Input W 943 943
Compressor Overload Protector 1NT11L-6233 HPC115/95U1
KSD115ºC
1NT11L-6233 HPC115/95U1
KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43 -15~43
Heating Operation Ambient Temperature
Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 742X38.1X550 742X38.1X550
Fan Motor Speed rpm 900/650 900/650
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 2200 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ438 Φ438
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/-/- 53/-/-
Sound Power Level (H/M/L) dB (A) 60/-/- 62/-/-
Dimension(WXHXD) mm 848X596X320 848X596X320
Dimension of Carton Box (LXWXH) mm 878X360X630 878X360X630
Dimension of Package(LXWXH) mm 881X363X645 881X363X645
Net Weight kg 33.5 33.5
Gross Weight kg 36.5 36.5
Refrigerant R32 R32
Refrigerant Charge kg 0.7 0.75
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
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.

4Technical Information
Service Manual
Parameter Unit Value
Model GWH12YC-K6DNA1A
GWH12YC-K6DNA2A
GWH09YC-K6DNA1A
GWH09YC-K6DNA2A
Product Code CB437001101
CB466001501
CB437001601
CB466001601
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 3500 2700
Heating Capacity W 3810 2930
Cooling Power Input W 950 585
Heating Power Input W 975 650
Cooling Current Input A 4.0 2.6
Heating Current Input A 4.5 2.9
Rated Input W 1650 1650
Rated Current A 6.4 6.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 680/590/540/490/450/420/390 660/590/540/490/450/420/390
Dehumidifying Volume L/h 1.4 0.8
EER W/W 3.68 4.62
COP W/W 3.91 4.50
SEER W/W 8.5 8.5
SCOP(Average/Warmer/Colder) W/W 4.4/5.1/3.5 4.6/5.4/3.8
Application Area m216-24 12-18
Indoor
Unit
Indoor Unit Model GWH12YC-K6DNA1A/I
GWH12YC-K6DNA2A/I
GWH09YC-K6DNA1A/I
GWH09YC-K6DNA2A/I
Indoor Unit Product Code CB437N01101
CB466N01501
CB437N01601
CB466N01601
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5 Ф98X633.5
Cooling Speed r/min 1350/1200/1120/1050/980/920/750 1300/1200/1120/1050/980/920/750/5
00
Heating Speed r/min 1350/1200/1140/1080/1020/960/900 1300/1200/1140/1080/1020/960/900/-
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.09 0.09
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Ф5
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 635X22.8X306.3 635×22.8×306.3
Swing Motor Model MP24EB/MP24HF MP24EB/MP24HF
Swing Motor Power Output W 1.5/1.5 1.5/2
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/
SL) dB (A) 43/39/37/35/34/32/25 41/39/35/31
Sound Power Level(SH/H/MH/M/ML/L/
SL) dB (A) 58/53/52/50/48/46/46 56/53/50/46
Dimension (WXHXD) mm 865X290X210 865X290X210
Dimension of Carton Box (LXWXH) mm 928X278X364 928X278X364
Dimension of Package(LXWXH) mm 931X281X379 931X281X379
Net Weight kg 11 10.5
Gross Weight kg 13 12.5

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 GWH12YC-K6DNA1A/O GWH09YC-K6DNA1A/O(LCLH)
Outdoor Unit Product Code CB437W01101 CB437W01601
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO., LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXF-B096zE190A QXF-B096zE190A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A 20 20.00
Compressor RLA A 4.21 4.21
Compressor Power Input W 943 943
Compressor Overload Protector 1NT11L-6233 HPC115/95U1
KSD115ºC
1NT11L-6233 HPC115/95U1
KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
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 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 742X38.1X550 742X38.1X550
Fan Motor Speed rpm 900/650 900/650
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 2200 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ438 Φ438
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) 53/-/- 52/-/-
Sound Power Level (H/M/L) dB (A) 62/-/- 60/-/-
Dimension(WXHXD) mm 848X596X320 848X596X320
Dimension of Carton Box (LXWXH) mm 878X360X630 878X360X630
Dimension of Package(LXWXH) mm 881X363X645 881X363X645
Net Weight kg 33.5 33.5
Gross Weight kg 36.5 36.5
Refrigerant R32 R32
Refrigerant Charge kg 0.75 0.7
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
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 20 15
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
0
1
2
3
4
5
6
7
8
9
10
020406080 100 120
Condition
Indoor:DB 27 WB19
Indoor air flow: Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
0
1
2
3
4
5
6
7
8
020406080 100
120
Condition
Indoor:DB 20
Indoor air flow:Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
Current(A)
Current(A)
50
60
70
80
90
100
110
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Condition
Indoor:DB27℃WB19℃
Indoor air flow:
Turbo
Pipe length:7.5m
Outdoor temp. (°C)
0
20
40
60
80
100
120
Capacity ratio(%)
Outdoor temp. (°C)
09K
12K
09K
12K
-7 -5 0510
Condition
Indoor:DB20℃
Indoor air flow:
Turbo
Pipe length:7.5m
Cooling:
Cooling:
GWH09YC-K6DNA1A/O GWH12YC-K6DNA1A/O
Heating:
Heating:
Cooling Heating
32 33 34 35 36 37 38 39 43 –15 –10 –5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
50
60
70
80
90
100
110
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
0
20
40
60
80
100
120
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
Indoor:DB 20°C
Indoor:DB 27°C
WB19 °C
33 36 39 42 45 48 -15-12 -9 -6 -3 -1 10725

7
Technical Information
Service Manual
GWH12YC-K6DNA1A/O GWH09YC-K6DNA1A/O GWH09YC-K6DNA1A/O
-12-9-6-3-1
Cooling Heating
32 33 34 35 36 37 38 39 43 –15 –10 –5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
50
60
70
80
90
100
110
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
0
20
-22
40
60
80
100
120
Capacity ratio(%)
Condition
Indoor air flow: Super High
Pipe length:
5m
Outdoor temp. (°C)
Indoor:DB 20°C
Indoor:DB 27°C
WB19 °C
33 36 39 42 45 48 10725
Cooling: Heating:

8Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
2.5 Noise Curve
Cooling:
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
(rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 09K 0.8 ~ 1.1 12 to 15 65 to 38 TURBO High 49
12K 11 to 14 64 to 37 60
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.
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
Compressor
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 09K 2.8 ~ 3.2 35 to 63 2 to 5 TURBO High 59
12K 35 to 65 2 to 5 67
25
30
33
20
36
39
42
45
75 60 45 30 15
Compressor frequency(Hz)
Noise dB(A)
Indoor fan motor rating speed
Noise/dB(A)
40
50
55
60
65
12K 09K
SHHMHMMLLSL

9
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
865
210
290
133.5 541.6 189.9
83.2
124.7
35
Φ55 Φ55
35

10 Technical Information
Service Manual
3.2 Outdoor Unit
257
780
596
848
286
540
320
Unit:mm

11
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)

12 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.
60000700030904
GWH09YC-K6DNA1A/I(CB437N01600) GWH12YC-K6DNA1A/I(CB437N01100) GWH12YC-K6DNA2A/I
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Technical Information
Service Manual
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14 Technical Information
Service Manual
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15
Technical Information
Service Manual
6361000008404
of electric shock !
Please don't touch any
terminal when the machine is
running ,stopping or has been
powered off for less than 30
minutes to prevent the risk
WARNING
θ
θ
θ
YEGN
BU
BK
BN
N
L
N(1)
2
3L1
L1 L2
L2
BU
BK
BN
MAGNETIC RING
TERMINAL
XT
BLOCK
N
AC-L1
COMU
PE
CN2
TEMP.
SENSOR
TEMP.
SENSOR
TEMP.
RT3
RT2
RT1
SENSOR
(20k) (15k) (50k)
OUTTUBE OUTROOM EXHAUST
CN1
EKV
ELECTRONIC
VALVE
EXPANSION
4YV
4-WAY
4WAY
VALVE
VT VT
LX1-1 LX1-2
L3 L3
REACTOR
L
BU BN
MAGNETIC
RING
AP:Main Board
EH1 EH2
Bottom
Band
Comp.
Band
Heater Heater
HEAT1 HEAT2 OFAN
FAN
M
PE
PE
YEGN
MOTOR
PROTECTOR
OVERLOARD
RD
OVC-COMP
SAT
RD
L4
W
V
U
COMP.
COMP
W
V
U
X1
BU YE RD
MAGNETIC
RING
POWER
L
N
YEGN
BU
BN(BK)
YEGN YEGN
PE
YEGN
ELECTRICAL
BOX PE
MID.ISOLATION
SHEET PE
YEGN
BU YE RD
NOTE:Motor
applies to the
iron shell motor.
ground only
INDOOR UNIT
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
GWH09YC-K6DNA1A/O(CB437W01601)

16 Technical Information
Service Manual
5.2 PCB Printed Diagram
Indoor Unit
● Top view
● Bottom view 8
91
5
11
12
10
13
14
18
5
6
7
1216 1734
No. Name
1Neutral wire
2 Needle stand for indoor fan
3Auto button
4 Up&down swing motor
5left&right swing motor
6Interface of temperature sensor
7Terminal for display board
connection
8Terminal of jumper cap
9Communication wire
10 Connect earthing wire(only for
the mode with this function)
11 Fuse
12 Live wire interface
13 Interface of health function
neutral wire
14 Interface of health function live
wire
15 Detecting plate(WIFI )
16 Connect earthing wire(only for
the mode with this function)
17 Wired controller (only for the
mode with this function)
18 Interface of gate control (only
for the mode with this function)

17
Technical Information
Service Manual
● 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
4
5
6
7
8
9
10
11
1
2
3
12131415