GRE GWH15QD-K6DNA1A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models:
GWH15QD-K6DNA1A
GWH21QE-K6DNA1A
GWH18QE-K6DNA1D
GWH24QE-K6DNA1D
GWH28QE-K6DNA1D
GWH15QD-K6DNC8A
GWH21QE-K6DNC8A
GWH18QE-K6DNC8D
GWH24QE-K6DNC8D
GWH28QE-K6DNC8D
(Refrigerant R32)

Service Manual
Table of contents
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 ......................................................................................13
2.3 Capacity Variation Ratio According to Temperature .......................................................13
2.4 Noise Curve....................................................................................................................14
2.5 Cooling and Heating Data Sheet in Rated Frequency ...................................................14
3. Outline Dimension Diagram......................................................................15
3.1 Indoor Unit......................................................................................................................15
3.2 Outdoor Unit ...................................................................................................................16
4. Refrigerant System Diagram....................................................................18
5. Electrical Part.........................................................................................................19
5.1 Wiring Diagram...............................................................................................................19
5.2 PCB Printed Diagram .....................................................................................................22
6. Function and Control......................................................................................24
6.1 Remote Controller Introduction .....................................................................................24
6.2 Operation of Smart Control (Smart Phone, Tablet PC) For Gree ...................................35
6.3 Operation of Smart Control (Smart Phone, Tablet PC) .................................................48
6.4 Brief Description of Modes and Functions......................................................................61
Part Ⅱ: Installation and Maintenance .................................................69
7. Notes for Installation and Maintenance..........................................69
8. Installation................................................................................................................74
8.1 Installation Dimension Diagram......................................................................................74
8.2 Installation Parts-checking ............................................................................................76
8.3 Selection of Installation Location....................................................................................76
8.4 Requirements for electric connection .............................................................................76
8.5 Installation of Indoor Unit................................................................................................77
8.6 Installation of Outdoor Unit.............................................................................................79
8.7 Vacuum Pumping and Leak Detection ...........................................................................80
8.8 Check after Installation and Test Operation ...................................................................80

Service Manual
Table of contents Table of contents
9. Maintenance............................................................................................................81
9.1 Precautions before Maintenance....................................................................................81
9.2 Error Code List ...............................................................................................................82
9.3 Troubleshooting for Main Malfunction ............................................................................85
9.4 Troubleshooting for Normal Malfunction.......................................................................101
10. Exploded View and Parts List ............................................................103
10.1 Indoor Unit..................................................................................................................103
10.2 Outdoor Unit ............................................................................................................... 111
11. Removal Procedure.....................................................................................116
11.1 Removal Procedure of Indoor Unit .............................................................................116
11.2 Removal Procedure of Outdoor Unit ..........................................................................121
Appendix:......................................................................................................................132
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................132
Appendix 2: Conguration of Connection Pipe...................................................................132
Appendix 3: Pipe expanding method..................................................................................133
Appendix 4: List of Resistance for Ambient Temperature Sensor ......................................134

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Part Ⅰ: Technical Information
Remote Controller:
YAG1FB1 YAC1FB4
GWH15QD-K6DNA1A/I
GWH21QE-K6DNA1A/I
GWH18QE-K6DNA1D/I
GWH24QE-K6DNA1D/I
GWH28QE-K6DNA1D/I
GWH15QD-K6DNC8A/I
GWH21QE-K6DNC8A/I
GWH28QE-K6DNC8D/I
GWH24QE-K6DNC8D/I
GWH18QE-K6DNC8D/I
GWH15QD-K6DNA1A/O
GWH21QE-K6DNA1A/O
GWH18QE-K6DNA1D/O
GWH24QE-K6DNA1D/O
GWH28QE-K6DNA1D/O
WiFi

2Technical Information
Service Manual
Model Product Code Indoor Unit Product Code Outdoor Unit Product Code Remote Controller
GWH15QD-K6DNC8A CB456001500 GWH15QD-K6DNC8A/I CB456N01500
GWH15QD-K6DNA1A/O CB419W13200 YAC1FB4 GWH15QD-K6DNC8A CB456001501 GWH15QD-K6DNC8A/I CB456N01501
GWH15QD-K6DNA1A CB419013200 GWH15QD-K6DNA1A/I CB419N13200
YAG1FB1
GWH21QE-K6DNA1A CB419013100 GWH21QE-K6DNA1A/I CB419N13100 GWH21QE-K6DNA1A/O CB419W13100
GWH21QE-K6DNC8A CB456002000 GWH21QE-K6DNC8A/I CB456N02000
GWH18QE-K6DNA1D CB419012700 GWH18QE-K6DNA1D/I CB419N12700 GWH18QE-K6DNA1D/O CB419W12700
GWH18QE-K6DNC8D CB456002100 GWH18QE-K6DNC8D/I CB456N02100
GWH24QE-K6DNA1D CB419012900 GWH24QE-K6DNA1D/I CB419N12900
GWH24QE-K6DNA1D/O CB419W12900GWH24QE-K6DNC8D CB456001400 GWH24QE-K6DNC8D/I CB456N01400
GWH24QE-K6DNC8D CB456001401 GWH24QE-K6DNC8D/I CB456N01401
GWH28QE-K6DNA1D CB419013000 GWH28QE-K6DNA1D/I CB419N13000 GWH28QE-K6DNA1D/O CB419W13000
GWH28QE-K6DNC8D CB456002200 GWH28QE-K6DNC8D/I CB456N02200
Model list:

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH18QE-K6DNA1D
GWH18QE-K6DNC8D
Product Code CB419012700
CB456002100
Power Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 5200
Heating Capacity(Min~Max) W 5800
Cooling Power Input(Min~Max) W 1130
Heating Power Input(Min~Max) W 1340
Cooling Power Current A 10
Heating Power Current A 10.4
Rated Input W 2400
Rated Current A 12.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 1250/1150/1100/1000/900/850/-
Dehumidifying Volume L/h 1.8
EER W/W 4.6
COP W/W 4.32
SEER /
SCOP /
Application Area m227-42
Indoor Unit
Model of indoor unit GWH18QE-K6DNA1D/I
GWH18QE-K6DNC8D/I
Indoor Unit Product Code CB419N12700
CB456N02100
Fan Type Cross-ow
Diameter Length(DXL) mm Φ108X830
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/SSL) r/min 1200/1150/1100/1000/900/850/800/600
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL) r/min 1250/1150/1100/1000/900/850/800
Output of Fan Motor W 60
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.4
Coil Length (LXDXW) mm 845X25.4X342.9
Swing Motor Model MP35CJ
Output of Swing Motor W 2.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 47/46/44/41/38/36/29
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 57/56/54//51/48/46/39
Dimension (WXHXD) mm 1078X325X246
Dimension of Carton Box (LXWXH) mm 1145X410X335
Dimension of Package (LXWXH) mm 1148X413X350
Net Weight kg 15.5
Gross Weight kg 19

4Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH18QE-K6DNA1D/O
Outdoor Unit Product Code CB419W12700
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model QXF-B141zF030A
Compressor Oil 68DA
Compressor Type Rotary
L.R.A. A 25
Compressor RLA A 6.5
Compressor Power Input W 1410
Overload Protector KSD115℃or HPC 115/95 or 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp ºC 16~30
Ambient temp (cooling) ºC -15~43
Ambient temp (heating) ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 935X38.1X660
Fan Motor Speed rpm 800
Output of Fan Motor W 800
Fan Motor RLA A 0.49
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Φ520
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) 57/-/-
Sound Power Level (H/M/L) dB (A) 67/-/-
Dimension (WXHXD) mm 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package (LXWXH) mm 1029X458X750
Net Weight kg 46
Gross Weight kg 51
Refrigerant R32
Refrigerant Charge kg 1.2
Connection
Pipe
Length m 5
Gas Additional Charge g/m 40
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ16
Max Distance Height m 10
Max Distance Length m 25
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

5
Technical Information
Service Manual
Model GWH15QD-K6DNA1A
GWH15QD-K6DNC8A
Product Code CB419013200
CB456001500 CB456001501
Power Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 4600
Heating Capacity(Min~Max) W 4700
Cooling Power Input(Min~Max) W1110
Heating Power Input(Min~Max) W 1150
Cooling Power Current A 5.12
Heating Power Current A 5.24
Rated Input W 2350
Rated Current A 10.68
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 900/800//-/700//-/600/-
Dehumidifying Volume L/h 1.8
EER W/W 4.14
COP W/W 4.09
SEER /
SCOP /
Application Area m223-34
Indoor Unit
Model of indoor unit GWH15QD-K6DNA1A/I
GWH15QD-K6DNC8A/I
Indoor Unit Product Code CB419N13200
CB456N01500 CB456N01501
Fan Type Cross-ow
Diameter Length(DXL) mm Ф106X706
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/SSL) r/min 1400/1300/1200/1100/1000/900/800/550
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL) r/min 1400/1270/1200/1130/1050/980/900
Output of Fan Motor W 60
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.4
Coil Length (LXDXW) mm 715X25.4X304.8
Swing Motor Model MP35CJ
Output of Swing Motor W 2.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 47/44/42/38/35/31/27
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 57/54/52/48/45/41/37
Dimension (WXHXD) mm 970X300X224
Dimension of Carton Box (LXWXH) mm 1038X380X305
Dimension of Package (LXWXH) mm 1041X383X320
Net Weight kg 13.5
Gross Weight kg 16.5

6Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH15QD-K6DNA1A/O
Outdoor Unit Product Code CB419W13200
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO. LTD.
Compressor Model QXF-B141ZF030A
Compressor Oil 68DA
Compressor Type Rotary
L.R.A. A 25
Compressor RLA A 12.08
Compressor Power Input W 1440
Overload Protector 1NT11L-6233orKSD115℃or HPC115/95U1
Throttling Method Electron expansion valve
Operation temp ºC 16~30
Ambient temp (cooling) ºC -15~48
Ambient temp (heating) ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 935X38.1X660
Fan Motor Speed rpm 820
Output of Fan Motor W 60
Fan Motor RLA A 0.49
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Φ520
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) 56/-/-
Sound Power Level (H/M/L) dB (A) 66/-/-
Dimension (WXHXD) mm 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package (LXWXH) mm 1029X458X750
Net Weight kg 46
Gross Weight kg 50.5
Refrigerant R32
Refrigerant Charge kg 1.1
Connection
Pipe
Length m 5
Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ12
Max Distance Height m 10
Max Distance Length m 25
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
Model GWH21QE-K6DNA1A
GWH21QE-K6DNC8A
Product Code CB419013100
CB456002000
Power Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 6100
Heating Capacity(Min~Max) W 7300
Cooling Power Input(Min~Max) W 1506
Heating Power Input(Min~Max) W 1802
Cooling Power Current A 6.7
Heating Power Current A 8
Rated Input W 3400
Rated Current A /
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 1450/1300/1050/950/850/800/700
Dehumidifying Volume L/h 2
EER W/W 4.05
COP W/W 4.05
SEER /
SCOP /
Application Area m227-42
Indoor Unit
Model of indoor unit GWH21QE-K6DNA1A/I
GWH21QE-K6DNC8A/I
Indoor Unit Product Code CB419N13100
CB456N02000
Fan Type Cross-ow
Diameter Length(DXL) mm Ф108X830
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/SSL) r/min 1500/1300/1100/1000/900/850/800/600
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL) r/min 1500/1300/1100/1050/1000/900/850
Output of Fan Motor W 35
Fan Motor RLA A 0.16
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Row-n Gap mm 2-1.4
Coil Length (LXDXW) mm 845X25.4X342.9
Swing Motor Model MP35CJ
Output of Swing Motor W 2.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL(SSL)) dB (A) 52/48/44/40/38/36/34(27)
Sound Power Level (SH/H/MH/M/ML/L/SL(SSL)) dB (A) 62/58/54/50/48/46/44(37)
Dimension (WXHXD) mm 1078X325X246
Dimension of Carton Box (LXWXH) mm 1145X410X335
Dimension of Package (LXWXH) mm 1148X413X350
Net Weight kg 15.5
Gross Weight kg 19