Gree GWH24YE-S6DBA2A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH24YE-S6DBA2A
GWH24YE-S6DBA1A
(Refrigerant:R32)

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 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 ................................................................................................ 23
6.3 Ewpe Smart App Operation Manual ......................................................................................... 24
6.4 Brief Description of Modes and Functions................................................................................ 25
Part Ⅱ: Installation and Maintenance ........................................................... 30
7. Notes for Installation and Maintenance.................................................... 30
8. Installation.......................................................................................................................... 35
8.1 Installation Dimension Diagram................................................................................................ 35
8.2 Installation Parts-checking ...................................................................................................... 37
8.3 Selection of Installation Location.............................................................................................. 37
8.4 Requirements for electric connection ....................................................................................... 37
8.5 Installation of Indoor Unit.......................................................................................................... 37
8.6 Installation of Outdoor Unit....................................................................................................... 40
8.7 Vacuum Pumping and Leak Detection ..................................................................................... 41
8.8 Check after Installation and Test Operation ............................................................................. 41
Table of Contents

Service Manual
9. Maintenance........................................................................................................................42
9.1 Error Code List ...........................................................................................................................42
9.2 Procedure of Troubleshooting ....................................................................................................49
9.3 Maintenance Method for Normal Malfunction.............................................................................63
10. Exploded View and Parts List ..........................................................................65
10.1 Indoor Unit................................................................................................................................65
10.2 Outdoor Unit .............................................................................................................................68
11. Removal Procedure...................................................................................................70
11.1 Removal Procedure of Indoor Unit ...........................................................................................70
11.2 Removal Procedure of Outdoor Unit ........................................................................................75
Appendix:....................................................................................................................................81
Appendix 1: Reference Sheet of Celsius and Fahrenheit ................................................................81
Appendix 2: Conguration of Connection Pipe.................................................................................81
Appendix 3: Pipe Expanding Method ...............................................................................................82
Appendix 4: List of Resistance for Temperature Sensor ..................................................................83
Table of Contents

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Part Ⅰ: Technical Information
GWH24YE-S6DBA2A/I
GWH24YE-S6DBA1A/I
Outdoor Unit:
Remote Controller: YAG1FB3(WiFi) YAG1FB
GWH24YE-S6DBA2A/O
No. Model Product Code Model Product Code Model Product Code Remote
Controller
1 GWH24YE-S6DBA2A CB466000302 GWH24YE-S6DBA2A/I CB466N00302
GWH24YE-S6DBA2A/O CB466W00300
YAG1FB3
(WiFi)
2 GWH24YE-S6DBA2A CB466000303 GWH24YE-S6DBA2A/I CB466N00303
YAG1FB
3 GWH24YE-S6DBA2A CB466000304 GWH24YE-S6DBA2A/I CB466N00304
4 GWH24YE-S6DBA2A CB466000305 GWH24YE-S6DBA2A/I CB466N00305
5 GWH24YE-S6DBA1A CB437002800 GWH24YE-S6DBA1A/I CB437N02800
Models List:

2Technical Information
Service Manual
Model GWH24YE-S6DBA2A
GWH24YE-S6DBA1A
Product Code CB466000302/CB466000303/CB466000304/CB466000305
CB437002800
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50/60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 7034
Heating Capacity W 7034
Cooling Power Input W 1850
Heating Power Input W 1750
Cooling Power Current A11
Heating Power Current A 10.76
Rated Input W 3700
Rated Current A /
Air Flow Volume(SH/H/M/L/SL) m3/h 1250/1100/950/850/-
Dehumidifying Volume L/h 2
EER W/W 3.8
COP W/W 4
SEER W/W 6.5
HSPF W/W /
Application Area m232-50
Indoor Unit
Model of indoor unit GWH24YE-S6DBA2A/I
GWH24YE-S6DBA1A/I
Indoor Unit Product Code CB466N00302/CB466N00303/CB466N00304/CB466N00305
CB437N02800
Fan Type Cross-ow
Diameter Length(DXL) mm Φ106X890
Fan Motor Cooling Speed r/min 1250/1100/1000/950/900/850/800/600
Fan Motor Heating Speed r/min 1400/1250/1100/1050/1000/900/850/-
Output of Fan Motor W 70
Fan Motor RLA A 0.38
Fan Motor Capacitor μF /
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 845X25.4X381
Swing Motor Model MP35CJ
Output of Swing Motor W 2.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 50/46/43/41/39/37/35/27
Sound Power Level (SH/H/M/L/SL) dB (A) 64/60/57/55/53/51/49/41
Dimension (WXHXD) mm 1101X327X249
Dimension of Carton Box (LXWXH) mm 1164X402X339
Dimension of Package (LXWXH) mm 1167X405X354
Net Weight kg 16.5
Gross Weight kg 20
2. Specications
2.1 Specication Sheet

3
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH24YE-S6DBA2A/O(LCLH)
Outdoor Unit Product Code CB466W00300
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model QXFT-D20zF030
Compressor Oil FW68DA
Compressor Type Rotary
L.R.A. A 30
Compressor RLA A 16
Compressor Power Input W 2050
Overload Protector /
Throttling Method Electron expansion valve
Operation Temp oC 16~30
Ambient Temp (Cooling) oC -18~52
Ambient Temp (Heating) oC -30~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7
Rows-n Gap mm 3-1.5
Coil Length (LXDXW) mm 994X57.1X748
Fan Motor Speed rpm 820
Output of Fan Motor W 90
Fan Motor RLA A 0.65
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 4000
Fan Type Axial-ow
Fan Diameter mm Ф550
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 1003X790X427
Dimension of Carton Box (LXWXH) mm 1080X485X840
Dimension of Package (LXWXH) mm 1083X488X855
Net Weight kg 65
Gross Weight kg 70
Refrigerant R32
Refrigerant Charge kg 2.0
Connection
Pipe
Length m 7.5
Gas Additional Charge g/m 50
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф16
Max Distance Height m 30
Max Distance Length m 50
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

4Technical Information
Service Manual
2.2 Operation Characteristic Curve
Cooling Heating
Cooling Heating
24K
0
2
4
6
8
10
12
14
020406080100 120
0
2
4
6
8
10
12
14
020406080 100
120
Condition
Indoor:DB27°C
WB19 °C
Indoor air flow: Super High
Pipe length:7.5m
Condition
Indoor:DB 20°C
Indoor air flow: Super High
Pipe length:7.5m
Compressor Frequency(Hz) Compressor Frequency(Hz)
Current(A)
Current(A)
2.3 Capacity Variation Ratio According to Temperature
Cooling Heating
Capacity ratio(%)
40
50
120
110
100
90
80
70
60
5044.63217.6-30-45
Outdoor temp(°C)
Condition
Indoor:DB 20°C
Indoor air flow:Super High
Pipe length:
7.5m
Capacity ratio(%)
Outdoor temp. (°C)
51494745434139373533312927252321
110
100
90
80
70
60
50
53
Condition
Indoor:DB 27°C WB19°C
Indoor air flow: Super High
Pipe length:7.5m

5
Technical Information
Service Manual
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: 5 or 7.5m.
Cooling:
Heating:
2.5 Noise Curve
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
55
60
45
50
40
30
35
Indoor fan motor rotating speed
Super
High
Super
Low
Middle
High
Middle
Low
High Middle Low
Noise dB(A)
24K

6Technical Information
Service Manual
79
154
43
218 685 198
Φ70 Φ70
43
117 685 194
140
190
38
Φ55 Φ55
38
79
154
43
218 685 198
Φ70 Φ70
43
117 685 194
140
190
38
Φ55 Φ55
38
3. Outline Dimension Diagram
3.1 Indoor Unit
W D
H
Unit:mm
Model W H D
24K 1101 327 249

7
Technical Information
Service Manual
3.2 Outdoor Unit
Unit:mm
920
1003 427
370
790
610
395