Gree GWH09AECXB-K6DNA1A User manual

Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information .................................. 2
1. Summary......................................................................... 2
2.1 Specication Sheet..................................................................................................3
2.2 Capacity Variation Ratio According to Temperature ...................................7
2.3 Cooling and Heating Data Sheet in Rated Frequency.................................8
2.4 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............................................................................................14
6. Function and Control .............................................. 16
6.1 Remote Controller Introduction for YAU1FB................................................16
6.2 Brief Description of Models and Functions..................................................20
6.3 GREE+ App Operation Manual ..........................................................................25
6.4 Ewpe Smart App Operation Manual.................................................................26
Part Ⅱ: Installation and Maintenance ................ 27
7. Notes for Installation and Maintenance.......... 27
8. Installation ................................................................... 32
8.1 Installation Dimension Diagram........................................................................32
8.2 Installation Parts-checking ................................................................................34
8.3 Selection of Installation Location.....................................................................34
8.4 Electric Connection Requirement ....................................................................34
8.5 Installation of Indoor Unit....................................................................................35

Service Manual
Table of Contents
8.6 Installation of Outdoor unit.................................................................................37
8.7 Vacuum Pumping and Leak Detection............................................................39
8.8 Check after Installation and Test operation..................................................39
9. Maintenance................................................................ 40
9.1 Error Code List........................................................................................................40
9.2 Procedure of Troubleshooting ..........................................................................44
9.3 Troubleshooting for Normal Malfunction ......................................................58
10. Exploded View and Parts List........................... 60
10.1 Indoor Unit..............................................................................................................60
10.2 Outdoor Unit ..........................................................................................................62
11. Removal Procedure ............................................... 66
11.1 Removal Procedure of Indoor Unit ................................................................66
11.2 Removal Procedure of Outdoor Unit.............................................................73
Appendix ........................................................................... 82
Appendix 1: Reference Sheet of Celsius and Fahrenheit...............................82
Appendix 2: Conguration of Connection Pipe .................................................82
Appendix 3: Pipe Expanding Method.....................................................................83
Appendix 4: List of Resistance for Temperature Sensor................................84

2Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
A1 panel
GWH09AECXB-K6DNA1A/O GWH12AECXD-K6DNA1A/O
Remote Controller:
YAU1FB
HOLD 3S
WiFi
Model list:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
1 GWH09AECXB-K6DNA1A CB370001400 GWH09AECXB-K6DNA1A/I CB370N01400 GWH09AECXB-K6DNA1A/O CB370W01400
2 GWH12AECXD-K6DNA1A CB370001600 GWH12AECXD-K6DNA1A/I CB370N01600 GWH12AECXD-K6DNA1A/O CB370W01600

3
Technical Information
Service Manual
2.1 Specication Sheet
Model GWH09AECXB-K6DNA1A
Product Code CB370001400
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2700
Heating Capacity W 3200
Cooling Power Input W 600
Heating Power Input W 715
Cooling Current Input A 3.10
Heating Current Input A 3.70
Rated Input W 1500
Rated Cooling Current A 6.3
Rated Heating Current A 6.8
Air Flow Volume m3/h 735/600/550/490/470/360/200
Dehumidifying Volume L/h 0.80
EER W/W 4.50
COP W/W 4.48
SEER -- 8.8
SCOP (Warmer/Average/Colder) -- 5.8/4.6/3.9
Application Area m212-18
Indoor Unit
Model GWH09AECXB-K6DNA1A/I
Product Code CB370N01400
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98X633
Cooling Speed r/min 1300/1150/1050/950/800/600/550/500
Heating Speed r/min 1300/1150/1050/950/900/800/750
Fan Motor Power Output W 15
Fan Motor RLA A 0.063
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 634X22.8X304.8
Swing Motor Model MP35CN/MP30AS/MP35CN/MP20AC
Swing Motor Power Output W 2.5/2/2.5/1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling:41/38/36/32/27/22/21
Heating:43/39/36/33/31/27/26
Sound Power Level dB (A) Cooling:57/53/50/47/42/36/35
Heating:57/53/50/47/45/41/40
Dimension (WXHXD) mm 945X293X225
Dimension of Carton Box (LXWXH) mm 1032X381X310
Dimension of Package (LXWXH) mm 1035X384X325
Net Weight kg 14
Gross Weight kg 17

4Technical 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 GWH09AECXB-K6DNA1A/O
Outdoor Unit Product Code CB370W01400
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXF-A082zC170
Compressor Oil ZE-G;ES RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A 15.00
Compressor RLA A 2.56
Compressor Power Input W 756.6
Compressor Overload Protector /
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 -22~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 666X38.1X527
Fan Motor Speed rpm 30
Fan Motor Power Output W 0.40
Fan Motor RLA A /
Fan Motor Capacitor μF 1950
Heater Power Input W /
Outdoor Unit Air Flow Volume m3/h 1950
Fan Type Axial-ow
Fan Diameter mm Φ400
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 732X555X330
Dimension of Carton Box (LXWXH) mm 791X373X590
Dimension of Package(LXWXH) mm 794X376X615
Net Weight kg 26.5
Gross Weight kg 29
Refrigerant R32
Refrigerant Charge kg 0.7
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe inch 1/4''
Outer Diameter Gas Pipe inch 3/8''
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model GWH12AECXD-K6DNA1A
Product Code CB370001600
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50/60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 3500
Heating Capacity W 3810
Cooling Power Input W 875
Heating Power Input W 952
Cooling Current Input A 3.73
Heating Current Input A /
Rated Input W 1650
Rated Cooling Current A 6.21
Rated Heating Current A 7.32
Air Flow Volume m3/h 750/650/600/510/470/360/200/150
Dehumidifying Volume L/h 1.4
EER W/W 4.0
COP W/W 4.0
SEER W/W 8.5
SCOP(Average/WarmerColder) W/W 4.6/5.5/3.5
Application Area m216-24
Indoor Unit
Model GWH12AECXD-K6DNA1A/I
Product Code CB370N01600
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98X633.5
Cooling Speed r/min 1350/1200/1100/1000/850/600/550/500
Heating Speed r/min 1350/1200/1120/1050/950/800/750
Fan Motor Power Output W 10
Fan Motor RLA A 0.09
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 634X22.8X304.8
Swing Motor Model MP35CN/MP30AS/MP35CN/MP20AC
Swing Motor Power Output W 2.5/2/2.5/1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling:43/39/36/33/28/22/21/20
Heating:43/40/37/35/32/27/26/-
Sound Power Level dB (A) Cooling:58/53/50/47/42/36/35/34
Heating:58/54/51/49/46/41/40/-
Dimension (WXHXD) mm 945X293X225
Dimension of Carton Box (LXWXH) mm 1032X381X310
Dimension of Package (LXWXH) mm 1035X384X325
Net Weight kg 14
Gross Weight kg 17

6Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH12AECXD-K6DNA1A/O
Outdoor Unit Product Code CB370W01600
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model FTz-AN108ACBD
Compressor Oil FW68DA or equivalent
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 4.40
Compressor Power Input W /
Compressor Overload Protector /
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 -22~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 761.5X38.1X528
Fan Motor Speed rpm 810
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 2200
Fan Type Axial-ow
Fan Diameter mm Φ420
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 802X555X350
Dimension of Carton Box (LXWXH) mm 869X350X594
Dimension of Package(LXWXH) mm 872X872X872
Net Weight kg 29
Gross Weight kg 31.5
Refrigerant R32
Refrigerant Charge kg 0.8
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe inch 1/4"
Outer Diameter Gas Pipe inch 3/8"
Max Distance Height m 10
Max Distance Length m 20
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

7
Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
Heating operation ambient temperature range is -22°C~24°C
160
140
9K
120
100
80 12K
60
40
0
20
0-5 57
10
-22-20 -15-10
Cooling:
Cooling:
Heating:
Heating:
9K
180
160
140
120
12K
100
80
60
40
20
0
p. (°C)Outdoor tem
p. (°C)Outdoor tem
Outdoor temp. (°C)
Capacity ratio(%)
Capacity ratio(%)
Capacity ratio(%)
Capacity ratio(%)
Condition Cooling
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m
Condition Heatin g
Pipe length:
5m
Indoor:DB20
°C /WB15°C
Indoor air flow: Super High
0%
20%
40%
60%
80%
100%
120%
140%
-22-20 -15-72 715182
12
4
0%
20%
40%
60%
80%
100%
120%
140%
-15-5010 15 20 25 30 35 40 43
-15-5-10051015202530354043
Condition Heatin g
Pipe length:
5m
Indoor:DB20
°C /WB15°C
Indoor air flow: Super High
Condition Cooling
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m

8Technical Information
Service Manual
2.4 Noise Curve
40
30
20
25
35
Indoor side noise when blowing
Indoor fan motor rotating speed
45
Noice/dB(A)
SL LMLMMH HSS
09K Heating
12K Cooling
09K Cooling
46
48
50
52
54
56
58
60
20 30 40 50 60 70 80 90
100
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
12K Heating
2.3 Cooling and Heating Data Sheet in Rated Frequency
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:
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 09/12K 0.8 ~ 1.1 12 to 15 65 to 38 TURBO High 49
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 09/12K 2.8 ~ 3.2 35 to 63 2 to 5 TURBO High 59