Gree GWH24YE-K6DNA1A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH24YE-K6DNA1A
GWH24YE-K6DNA2A
(Refrigerant R32)

Service Manual
Table of Contents
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 ........................................................................................4
2.3 Capacity Variation Ratio According to Temperature .........................................................4
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................5
2.5 Noise Curve......................................................................................................................5
3. Outline Dimension Diagram.........................................................................................6
3.1 Indoor Unit........................................................................................................................6
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 .....................................................................................13
6.2 GREE+ App Operation Manual ......................................................................................18
6.3 Ewpe Smart App Operation Manual ...............................................................................19
6.4 Brief Description of Modes and Functions......................................................................20
Part Ⅱ: Installation and Maintenance .................................................29
7. Notes for Installation and Maintenance..........................................29
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

Service Manual
Table of Contents
9. Maintenance............................................................................................................41
9.1 Error Code List ...............................................................................................................41
9.2 Troubleshooting for Main Malfunction ............................................................................46
9.3 Troubleshooting for Normal Malfunction.........................................................................59
10. Exploded View and Parts List ..............................................................61
10.1 Indoor Unit....................................................................................................................61
10.2 Outdoor Unit .................................................................................................................64
11. Removal Procedure.......................................................................................66
11.1 Removal Procedure of Indoor Unit ...............................................................................66
11.2 Removal Procedure of Outdoor Unit ............................................................................71
Appendix:........................................................................................................................78
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................78
Appendix 2: Conguration of Connection Pipe.....................................................................78
Appendix 3: Pipe Expanding Method ...................................................................................79
Appendix 4: List of Resistance for Temperature Sensor ......................................................80

1
Service Manual
Technical Information
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH24YE-K6DNA1A/I
GWH24YE-K6DNA2A/I
Remote Controller
YAG1FB2(WiFi)
Outdoor Unit
GWH24YE-K6DNA1A/O
FAN
MODE
ON/OFF
+-

2
Service Manual
Technical Information
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model GWH24YE-K6DNA1A
GWH24YE-K6DNA2A
GWH24YE-K6DNA1A
GWH24YE-K6DNA2A
Product Code CB437001400
CB466001400
CB437001401
CB466001401
Power
Supply
Rated Voltage V ～220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) W 7000(1100~9050) 7000(1100~9050)
Heating Capacity(Min~Max) W 7200(1700~10100) 7200(1700~10100)
Cooling Power Input(Min~Max) W 2000(400~3700) 2000(400~3700)
Heating Power Input(Min~Max) W 1845(450~3800) 1845(450~3800)
Cooling Current Input A 9.15 9.15
Heating Current Input A 8.44 8.44
Rated Input W 3800 3800
Rated Current A 16.42 16.42
Air Flow Volume(Min~Max) m3/h 1250/1100/1000/950/900/850/750 1250/1100/1000/950/900/850/750
Dehumidifying Volume L/h 2.4 2.4
EER W/W 3.5 3.5
COP W/W 3.9 3.9
SEER W/W 7 7
HSPF W/W / /
Application Area m227-42 27-42
Indoor
Unit
Indoor Unit Model GWH24YE-K6DNA1A/I
GWH24YE-K6DNA2A/I
GWH24YE-K6DNA1A/I
GWH24YE-K6DNA1A/I
Indoor Unit Product Code CB437N01400
CB466N01400
CB437N01401
CB437N01400
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ108X830 Φ108X830
Cooling Speed(Min~Max) r/min 1250/1100/1000/950/900/850/800/600 1250/1100/1000/950/900/850/800/600
Heating Speed(Min~Max) r/min 1400/1250/1100/1050/1000/900/850 1400/1250/1100/1050/1000/900/850
Fan Motor Power Output W 50 50
Fan Motor RLA A 0.35 0.35
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7 Ф7
Evaporator Row-n Gap mm 1.5 1.5
Evaporator Coil Length (LXDXW) mm 850X25.4X342.9 850X25.4X342.9
Swing Motor Model MP35CP MP35CP
Swing Motor Power Output W 2.5 2.5
Fuse Current A 3.15 3.15
Sound Pressure Level(Min~Max) dB (A) 49/47/44/42/40/38/36 49/47/44/42/40/38/36
Sound Power Level(Min~Max) dB (A) 65/61/58/56/54/52/50 65/61/58/56/54/52/50
Dimension (WXHXD) mm 1101X327X249 1101X327X249
Dimension of Carton Box (LXWXH) mm 1164X402X339 1164X402X339
Dimension of Package(LXWXH) mm 1167X405X354 1167X405X354
Net Weight kg 16.5 16.5
Gross Weight kg 20 20

3
Service Manual
Technical Information
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH24YE-K6DNA1A/O
Outdoor Unit Product Code CB437W01400 CB437W01401
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO,LTD.
ZHUHAI LANDA COMPRESSOR
CO,LTD.
Compressor Model QXFS-D23ZX090A QXFS-D23ZX090A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A 25 25
Compressor RLA A 11.5 11.5
Compressor Power Input W 2550 2550
Compressor Overload Protector 1NT11L-6233/HPC 115/95 /
KSD115ºC
1NT11L-6233/HPC 115/95 /
KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature
Range ºC -15~54 -15~54
Heating Operation Ambient Temperature
Range ºC -15~24 -20~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 935X38.1X660 935X38.1X660
Fan Motor Speed rpm 800 800
Fan Motor Power Output W 60 60
Fan Motor RLA A 0.58 0.58
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 3200 3200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф520 Ф520
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) 60/-/- 60/-/-
Sound Power Level (H/M/L) dB (A) 70/-/- 70/-/-
Dimension(WXHXD) mm 963X700X396 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750 1029X458X750
Net Weight kg 53 53
Gross Weight kg 57.5 57.5
Refrigerant R32 R32
Refrigerant Charge kg 1.7 1.7
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 50 50
Outer Diameter Liquid Pipe mm Ф6 Ф6
Outer Diameter Gas Pipe mm Ф16 Ф16
Max Distance Height m 10 10
Max Distance Length m 25 25
Note: The connection pipe applies metric diameter.

4
Service Manual
Technical Information
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Cooling Heating
01020304050607090010 20 30 40 50 60 70 80 90 100
120
110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
220V
230V
240V
220V
230V
240V
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
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
05
71
0
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 (%)
Cooling
Heating
32 33 34 35 36 37 38 39 43
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C)
Capacity ratio (%)
30
40
50
60
70
80
90
100
110
120
10
-5 057-10-15-20
Outdoor temp.(oC)
Capacity ratio(%)
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Cooling
Heating
Heating operation ambient temperature range is -15°C~24°C
Heating operation ambient temperature range is -20°C~24°C

5
Service Manual
Technical Information
2.4 Cooling and Heating Data Sheet in Rated Frequency
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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 24K 0.9 to 1.1 12 to 14 75 to 37 Super High High 72
Rated heating
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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 24K 2.8 to 3.0 70 to 35 2 to 4 Super High High 77
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.
Cooling:
Heating:
2.5 Noise Curve
Indoor side noise when blowing Outdoor side noise when blowing
Indoor fan motor rotating speed
Compressor frequency(Hz)
Noise/dB(A)
50
60
30
40
20
Low Middle High Super High
24K
40
42
44
46
48
50
52
54
56
20 4030 50 60 70 80
90
Noise dB(A)
Cooling
Heating

6
Service Manual
Technical Information
3. Outline Dimension Diagram
3.1 Indoor Unit
79
154
43
216 685 200
Φ70 Φ70
43
117 685 194
140
190
38
Φ55 Φ55
38
79
154
43
216 685 200
Φ70 Φ70
43
117 685 194
140
190
38
Φ55 Φ55
38
Unit:mm
W D
H
Models W H D
24K 1101 327 249

7
Service Manual
Technical Information
3.2 Outdoor Unit
963
892
700
396
560
341
396
Unit:mm