Gree GWH07AFA-K3NNA1A User manual

Service Manual
Models:
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
GWH07AFA-K3NNA1A
GWH09AFA-K3NNA1A
GWH09AFB-K3NNA1A
GWH12AFB-K3NNA1A
GWH12AFC-K3NNA1A
GWH18AFC-K3NNA1A
GWH24AFD-K3NNA1A
(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 Capacity Curve in Different Outdoor Temperature .........................................................11
2.3 Cooling and Heating Data Sheet in Rated Frequency ................................................... 11
3. Outline Dimension Diagram......................................................................12
3.1 Indoor Unit......................................................................................................................12
3.2 Outdoor Unit ...................................................................................................................13
4. Refrigerant System Diagram....................................................................17
5. Electrical Part.........................................................................................................18
5.1 Wiring Diagram...............................................................................................................18
5.2 PCB Printed Diagram .....................................................................................................23
6. Function and Control......................................................................................25
6.1 Remote Controller Introduction ......................................................................................25
6.2 Brief Description of Modes and Functions......................................................................28
Part Ⅱ: Installation and Maintenance .................................................33
7. Notes for Installation and Maintenance..........................................33
8. Installation................................................................................................................36
8.1 Installation Dimension Diagram......................................................................................36
8.2 Installation Parts-Checking ............................................................................................38
8.3 Selection of Installation Location....................................................................................38
8.4 Requirements for electric connection .............................................................................38
8.5 Installation of Indoor Unit................................................................................................38
8.6 Installation of Outdoor unit .............................................................................................41
8.7 Vacuum Pumping and Leak Detection ...........................................................................42
8.8 Check after Installation and Test operation ....................................................................42
9. Maintenance............................................................................................................43
9.1 Error code.......................................................................................................................43
9.2 Procedure of Troubleshooting ........................................................................................45
9.3 Maintenance method for normal malfunction .................................................................54
Table of Contents

Service Manual
10. Exploded View and Parts List ..............................................................56
10.1 Indoor Unit....................................................................................................................56
10.2 Outdoor Unit .................................................................................................................62
11. Removal Procedure.......................................................................................76
11.1 Removal Procedure of Indoor Unit ...............................................................................76
11.2 Removal Procedure of Outdoor Unit ............................................................................81
Appendix:......................................................................................................................105
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................105
Appendix 2: Conguration of Connection Pipe...................................................................105
Appendix 2: Pipe Expanding Method .................................................................................106
Appendix 4: List of Resistance for Temperature Sensor ....................................................107
Table of Contents

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
GWH07AFA-K3NNA1A/I
GWH09AFA-K3NNA1A/I
GWH09AFB-K3NNA1A/I
GWH12AFB-K3NNA1A/I
GWH12AFC-K3NNA1A/I
GWH18AFC-K3NNA1A/I
GWH24AFD-K3NNA1A/I
Part Ⅰ: Technical Information
Outdoor Unit:
GWH07ACA-K3NNA5A/O
GWH09ACB-K3NNA5A/O
GWH12AAB-K3NNA2A/O GWH18AAC-K3NNA1A/O
GWH12QC-K3NNA1A/O

2Technical Information
Service Manual
Models List:
No. Model Product Code Model Product Code Model Product Code Remote
Controller
1GWH07AFA-K3NNA1A CA348000400 GWH07AFA-K3NNA1A/I CA348N00400 GWH07ACA-K3NNA5A/O CA341W00100
YAW1F
2 CA348000401 CA348N00401
3 GWH09AFB-K3NNA1A CA348000300 GWH09AFB-K3NNA1A/I CA348N00300 GWH09ACB-K3NNA5A/O CA341W00200
4 GWH09AFA-K3NNA1A CA348000800 GWH09AFA-K3NNA1A/I CA348N00800 GWH09AAA-K3NNA1A/O CA115W14400
5 GWH12AFB-K3NNA1A CA348000600 GWH12AFB-K3NNA1A/I CA348N00600 GWH12AAB-K3NNA2A/O CA115W14100
6 GWH12AFC-K3NNA1A CA348000101 GWH12AFC-K3NNA1A/I CA348N00100 GWH12QC-K3NNA1A/O CA419W00101
7 GWH18AFC-K3NNA1A CA348000700 GWH18AFC-K3NNA1A/I CA348N00700 GWH18AAC-K3NNA1A/O CA115W14200
8GWH24AFD-K3NNA1A CA348000502 GWH24AFD-K3NNA1A/I CA348N00502 GWH24AAD-K3NNA1A/O CA115W14300
9 CA348000501 CA348N00500 CA115W14301
Remote Controller:
YAW1F
GWH09AAA-K3NNA1A/O GWH24AAD-K3NNA1A/O(CA115W14300)
GWH24AAD-K3NNA1A/O(CA115W14301)

3
Technical Information
Service Manual
Model GWH07AFA-K3NNA1A GWH09AFB-K3NNA1A
Product Code CA348000400/CA348000401 CA348000300
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 2250 2638
Heating Capacity W 2350 2755
Cooling Power Input W 700 821
Heating Power Input W 651 763
Cooling Power Current A 3.5 4.0
Heating Power Current A 3.2 3.5
Rated Input W 1050 1150
Rated Current A 5.5 5.6
Air Flow Volume(SH/H/M/L/SL) m3/h 470/420/370/250/- 570/500/430/300/-
Dehumidifying Volume L/h 0.6 0.8
EER W/W 3.21 3.21
COP W/W 3.61 3.61
SEER W/W / /
HSPF W/W / /
Application Area m210-16 12-18
Indoor Unit
Model of Indoor Unit GWH07AFA-K3NNA1A/I GWH09AFB-K3NNA1A/I
Product Code of Indoor Unit CA348N00400/CA348N00401 CA348N00300
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ93X505 Φ93X505
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1300/1200/1100/850/- 1300/1200/1100/850/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1200/1100/1000/900/- 1250/1150/1050/900/-
Output of Fan Motor W 10 20
Fan Motor RLA A 0.15 0.215
Fan Motor Capacitor μF 1 1
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94 Φ7.94
Row-n Gap mm 1-1.2 1-1.2
Coil Length (LXDXW) mm 508X19.05X254 583X19.05X264
Swing Motor Model MP24AN MP24AN
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 40/38/35/26/- 40/37/35/27/-
Sound Power Level (SH/H/M/L/SL) dB (A) 50/48/45/36/- 50/47/45/37/-
Dimension (WXHXD) mm 744X256X185 819X256X185
Dimension of Carton Box (LXWXH) mm 788X314X249 863X314X249
Dimension of Package (LXWXH) mm 793X330X260 868X330X260
Net Weight kg 8 8.5
Gross Weight kg 9.5 10
2. Specications
2.1 Specication Sheet

4Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit GWH07ACA-K3NNA5A/O GWH09ACB-K3NNA5A/O
Product Code of Outdoor Unit CA341W00100 CA341W00200
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXA-A081A130A QXA-B102C130
Compressor Oil RB68EP/FVC68D/FV50S RB68EP/FV50S
Compressor Type Rotary Rotary
L.R.A. A 15 17
Compressor RLA A 3.25 4
Compressor Power Input W 680 865
Overload Protector UP3-MC0（L）UP3-00
Throttling Method Capillary Capillary
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC 18~43 18~43
Ambient Temp (Heating) oC -7~24 -7~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94 Φ7.94
Rows-n Gap mm 1-1.4 1-1.4
Coil Length (LXDXW) mm 658.3X19.05X396 655X19.05X396
Fan Motor Speed rpm 320 320
Output of Fan Motor W 20 20
Fan Motor RLA A 0.25 0.25
Fan Motor Capacitor μF 1.5 1.5
Air Flow Volume of Outdoor Unit m3/h 1200 1200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ320 Φ320
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) 49/-/- 48/-/-
Sound Power Level (H/M/L) dB (A) 59/-/- 58/-/-
Dimension (WXHXD) mm 720X428X310 720X428X310
Dimension of Carton Box (LXWXH) mm 765X350X475 765X350X475
Dimension of Package (LXWXH) mm 768X353X490 768X353X490
Net Weight kg 22 25.5
Gross Weight kg 24 27.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.55 0.63
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 20 15
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 15
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model GWH12AFB-K3NNA1A GWH18AFC-K3NNA1A
Product Code CA348000600 CA348000700
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 3250 4800
Heating Capacity W 3400 5000
Cooling Power Input W 1012 1495
Heating Power Input W 941 1500
Cooling Power Current A 4.32 6.81
Heating Power Current A 4.40 6.72
Rated Input W 1230 2150
Rated Current A 6.3 10.96
Air Flow Volume(SH/H/M/L/SL) m3/h 550/500/430/330/- 650/560/480/350/-
Dehumidifying Volume L/h 1.2 1.8
EER W/W 3.21 3.21
COP W/W 3.61 3.61
SEER W/W / /
HSPF W/W / /
Application Area m215-22 21-31
Indoor Unit
Model of Indoor Unit GWH12AFB-K3NNA1A/I GWH18AFC-K3NNA1A/I
Product Code of Indoor Unit CA348N00600 CA348N00700
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ93X580 Φ98X633
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1100/850/- 1350/1200/1050/950/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1350/1200/1100/900/- 1300/1150/1000/900/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.215 0.31
Fan Motor Capacitor μF 1 1.5
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94 Φ7
Row-n Gap mm 1-1.2 2-1.4
Coil Length (LXDXW) mm 583X19.05X264 715X25.4X304.8
Swing Motor Model MP24AN MP24HF
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/39/36/33/- 42/38/34/31/-
Sound Power Level (SH/H/M/L/SL) dB (A) 52/49/46/43/- 52/48/44/41/-
Dimension (WXHXD) mm 819X256X185 889X294X212
Dimension of Carton Box (LXWXH) mm 863X314X249 935X349X273
Dimension of Package (LXWXH) mm 868X330X260 940X365X284
Net Weight kg 8.5 11
Gross Weight kg 10 13

6Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit GWH12AAB-K3NNA2A/O GWH18AAC-K3NNA1A/O
Product Code of Outdoor Unit CA115W14100 CA115W14200
Compressor Manufacturer/Trademark ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXA-B120C150A QXA-D19F030
Compressor Oil RB68EP ATMOS-RB68EP or equivalent
Compressor Type Rotary Rotary
L.R.A. A 26 38.00
Compressor RLA A 4.4 7.10
Compressor Power Input W 970 1540
Overload Protector INTERNAL (UP3-02) UP3-A6
Throttling Method Capillary Capillary
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC 18~43 18~48
Ambient Temp (Heating) oC -7~24 -7~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94 Φ7.94
Rows-n Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 697X19.05X506 735X38.1X508
Fan Motor Speed rpm 850 850
Output of Fan Motor W 35 35
Fan Motor RLA A 0.33 0.33
Fan Motor Capacitor μF 2.5 2.5
Air Flow Volume of Outdoor Unit m3/h 1600 1800
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ394 Φ394.5
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/-/- 56/-/-
Sound Power Level (H/M/L) dB (A) 62/-/- 66/-/-
Dimension (WXHXD) mm 782X540X320 848X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580 878X360X580
Dimension of Package (LXWXH) mm 823X358X595 881X363X595
Net Weight kg 30 39
Gross Weight kg 32.5 41.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.72 1.26
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 15 15
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ12 Φ12
Max Distance Height m 10 10
Max Distance Length m 15 25
Note: The connection pipe applies metric diameter.

7
Technical Information
Service Manual
Model GWH12AFC-K3NNA1A GWH09AFA-K3NNA1A
Product Code CA348000101 CA348000800
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 3550 2550
Heating Capacity W 3700 2650
Cooling Power Input W 1106 794
Heating Power Input W 1025 734
Cooling Power Current A 4.9 3.7
Heating Power Current A 4.56 3.3
Rated Input W 1500 1120
Rated Current A 7.8 6.2
Air Flow Volume(SH/H/M/L/SL) m3/h 630/540/460/330/- 470/420/370/250/-
Dehumidifying Volume L/h 1.4 0.8
EER W/W 3.21 3.21
COP W/W 3.61 3.61
SEER W/W / /
HSPF W/W / /
Application Area m216-24 12-18
Indoor Unit
Model of Indoor Unit GWH12AFC-K3NNA1A/I GWH09AFA-K3NNA1A/I
Product Code of Indoor Unit CA348N00100 CA348N00800
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ98X633.5 Φ93X505
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1050/850/- 1300/1200/1100/850/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1300/1150/1000/900/- 1200/1100/1000/900/-
Output of Fan Motor W 20 10
Fan Motor RLA A 0.31 0.15
Fan Motor Capacitor μF 1.5 1
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ5 Φ7.94
Row-n Gap mm 2-1.4 1-1.2
Coil Length (LXDXW) mm 635X22.8X306.3 508X19.05X254
Swing Motor Model MP24HF MP24AN
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 41/38/33/29/- 40/38/35/26/-
Sound Power Level (SH/H/M/L/SL) dB (A) 51/47/43/39/- 50/48/45/36/-
Dimension (WXHXD) mm 889X294X211 744X256X185
Dimension of Carton Box (LXWXH) mm 943X349X278 788X314X249
Dimension of Package (LXWXH) mm 948X365X289 793X330X260
Net Weight kg 11 8.0
Gross Weight kg 13 9.5