Gree GWH09AOCXD-K6DNA1B User manual

Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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 Variation Ratio According to Temperature ............................. 6
3. Outline Dimension Diagram................................... 7
3.1 Indoor Unit ................................................................................................. 7
3.2 Outdoor Unit .............................................................................................. 7
4. Refrigerant System Diagram ................................. 8
5. Electrical Part ............................................................... 9
5.1 Wiring Diagram.......................................................................................... 9
5.2 PCB Printed Diagram.............................................................................. 11
6. Function and Control .............................................. 13
6.1 Remote Controller Introduction of YAA1FB16(WiFi) ........................... 13
6.2 Description of Each Control Operation................................................. 16
Part Ⅱ: Installation and Maintenance ................ 20
7. Notes for Installation and Maintenance.......... 20
8. Installation ................................................................... 25
8.1 Installation Dimension Diagram ............................................................ 25
8.2 Installation Parts-checking ................................................................... 27
8.3 Selection of Installation Location.......................................................... 27
8.4 Electric Connection Requirement ......................................................... 27
8.5 Name Description of Components in the Accessory Box................... 28
8.6 Installation of Indoor Unit....................................................................... 28
8.7 Installation Instructions for Fresh Air Ventilation Device (Exhaust).. 30
8.8 Installation of outdoor unit..................................................................... 32
Table of Contents

Service Manual
Table of Contents
8.9 Vacuum Pumping and Leak Detection .................................................. 33
8.10 Check after Installation and Test Operation ....................................... 34
9. Maintenance................................................................ 35
9.1 Judgement by Flashing LED of Indoor ................................................. 35
9.2 Malfunction detection process .............................................................. 42
9.3 Controller Assembly and Maintenance Diagram ................................. 45
9.4 Troubleshooting for Normal Malfunction.............................................. 47
10. Exploded View and Parts List........................... 49
10.1 Indoor Unit ............................................................................................. 49
10.2 Outdoor Unit .......................................................................................... 51
10.3 Fresh Air Ventilation Device (Exhaust) ............................................... 53
11. Removal Procedure ............................................... 54
11.1 Removal Procedure of Indoor Unit ...................................................... 54
11.2 Removal Procedure of Outdoor Unit ................................................... 59
Appendix:.......................................................................... 64
Appendix 1: Reference Sheet of Celsius and Fahrenheit ......................... 64
Appendix 2: Conguration of Connection Pipe ......................................... 64
Appendix 3: Pipe Expanding Method.......................................................... 65
Appendix 4: List of Resistance for Temperature Sensor .......................... 66

1
Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
GWH09AOCXD-K6DNA1B/I
GWH12AOCXD-K6DNA1B/I
Remote Controller:
Model list:
No. Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
1 GWH09AOCXD-K6DNA1B CB538000400 GWH09AOCXD-K6DNA1B/I CB538N00400 GWH09AOCXD-K6DNA1B/O CB538W00400
2 GWH12AOCXD-K6DNA1B CB538000300 GWH12AOCXD-K6DNA1B/I CB538N00300 GWH12AOCXD-K6DNA1B/O CB538W00300
GWH09AOCXD-K6DNA1B/O
GWH12AOCXD-K6DNA1B/O
YAA1FB16(WiFi)
I SENSE

2Technical Information
Service Manual
Model GWH09AOCXD-K6DNA1B
Product Code CB538000400
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 2700
Heating Capacity W 4500
Cooling Power Input W 612
Heating Power Input W 1070
Cooling Power Current A 2.8
Heating Power Current A 5.4
Rated Input W 2106
Rated Cooling Current A 7.7
Rated Heating Current A 9.5
Air Flow Volume m3/h 650
Dehumidifying Volume L/h 0.80
EER W/W 4.41
COP W/W 4.21
SEER /
HSPF /
Application Area m212-18
Indoor
Unit
Model of indoor unit GWH09AOCXD-K6DNA1B/I
Indoor Unit Product Code CB538N00400
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98×630
Cooling Speed r/min Fixed-angle 1：1270/1110/1010/910/830/750/730/550
Unxed-angle 1：1150/1000/950/850/770/670/600/550
Heating Speed r/min 1210/1040/990/930/880/840/780
Fan Motor Power Output W 15
Fan Motor RLA A 0.10
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 634×25.4×304.8
Swing Motor Model MP24AA/MP35CF/MP24HF
Swing Motor Power Output W 1.5/2.5/1.5
Fuse Current A 5
Sound Pressure Level dB (A) Cooling: 41/37/35/30/27/24/23
Heating: 41/37/35/32/30/28/26
Sound Power Level dB (A) Cooling: 51/47/45/40/37/34/33
Heating: 51/47/45/42/40/38/36
Dimension (WXHXD) mm 960×305×200
Dimension of Carton Box (LXWXH) mm 1155×388×300
Dimension of Package (LXWXH) mm 1158×341×315
Net Weight kg 14
Gross Weight kg 18
2. Specications
2.1 Specication Sheet

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 GWH09AOCXD-K6DNA1B/O
Outdoor Unit Product Code CB538W00400
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXF-B103zH170F
Compressor Oil RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A 25.00
Compressor RLA A 4.00
Compressor Power Input W 860
Compressor Overload Protector /
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC 18~43
Heating Operation Ambient Temperature Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 1-1.2
Condenser Coil Length (LXDXW) mm 810×19.05×528
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1600
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) 51/-/-
Sound Power Level (H/M/L) dB (A) 59/-/-
Dimension(WXHXD) mm 802×555×350
Dimension of Carton Box (LXWXH) mm 869×395×594
Dimension of Package(LXWXH) mm 872×398×609
Net Weight kg 28
Gross Weight kg 30.5
Refrigerant R32
Refrigerant Charge kg 0.6
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.

4Technical Information
Service Manual
Model GWH12AOCXD-K6DNA1B
Product Code CB538000300
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 3700
Heating Capacity W 4800
Cooling Power Input W 822
Heating Power Input W 1116
Cooling Power Current A 3.7
Heating Power Current A 5.7
Rated Input W 2196
Rated Cooling Current A 8.2
Rated Heating Current A 10
Air Flow Volume m3/h 680
Dehumidifying Volume L/h 1.40
EER W/W 4.50
COP W/W 4.30
SEER /
HSPF /
Application Area m216-24
Indoor
Unit
Model of indoor unit GWH12AOCXD-K6DNA1B/I
Indoor Unit Product Code CB538N00300
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98×630
Cooling Speed r/min Fixed-angle 1：1310/1140/1060/960/850/760/740/550
Unxed-angle 1：1210/1020/970/900/820/740/630/550
Heating Speed r/min 1250/1110/1050/960/930/860/780
Fan Motor Power Output W 15
Fan Motor RLA A 0.10
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 634×25.4×304.8
Swing Motor Model MP24AA/MP35CF/MP24HF
Swing Motor Power Output W 1.5/2.5/1.5
Fuse Current A 5
Sound Pressure Level dB (A) Cooling: 42/38/36/31/28/24/23
Heating: 42/38/36/33/31/28/36
Sound Power Level dB (A) Cooling: 52/48/46/41/38/34/33
Heating: 52/48/46/43/41/38/36
Dimension (WXHXD) mm 960×305×200
Dimension of Carton Box (LXWXH) mm 1155×388×300
Dimension of Package (LXWXH) mm 1158×341×315
Net Weight kg 14
Gross Weight kg 18

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 GWH12AOCXD-K6DNA1B/O
Outdoor Unit Product Code CB538W00300
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXF-B103zH170F
Compressor Oil RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A 25.00
Compressor RLA A 4.00
Compressor Power Input W 860
Compressor Overload Protector /
Throttling Method Electron expansion valve
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC 18~43
Heating Operation Ambient Temperature Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 761.5×38.1×528
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 1600
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 802×555×350
Dimension of Carton Box (LXWXH) mm 869×395×594
Dimension of Package(LXWXH) mm 872×398×609
Net Weight kg 30.5
Gross Weight kg 33
Refrigerant R32
Refrigerant Charge kg 0.85
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.

6Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
0%
20%
40%
60%
80%
100%
120%
140%
18
160%
23 28 33 38 43
0%
20%
40%
60%
80%
100%
120%
-15-10 -5 0510 15 20 24
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Heating
Conditions
Indoor:DB20°C
Indoor air flow:Super High
Pipe length:5m
Cooling

7
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
124.8
380
238
80.8
238
305
200
960
40
124.8 Unit:mm
3.2 Outdoor Unit
Unit:mm
300
555
350
745
802
332
512