Gree GWH18TC-S3DBA1E User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
GWH18TC-S3DBA1E
GWH18TC-S3DBA2E
GWH18TC-S3DBA3E
GWH24TD-S3DBA1E
GWH24TD-S3DBA2E
GWH24TD-S3DBA3E
(Refrigerant R410A)
Models:

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 Noise Curve......................................................................................................................5
2.5 Cooling and Heating Data Sheet in Rated Frequency .....................................................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 Operation of Smart Control (Smart Phone, Tablet PC) For Gree ...................................19
6.3 Operation of Smart Control (Smart Phone, Tablet PC) .................................................32
6.4 Brief Description of Modes and Functions......................................................................45
Part Ⅱ: Installation and Maintenance .................................................53
7. Notes for Installation and Maintenance..........................................53
8. Installation................................................................................................................56
8.1 Installation Dimension Diagram......................................................................................56
8.2 Installation Parts-checking ............................................................................................58
8.3 Selection of Installation Location....................................................................................58
8.4 Electric Connection Requirement ..................................................................................58
8.5 Installation of Indoor Unit................................................................................................58
8.6 Installation of Outdoor Unit.............................................................................................61
8.7 Vacuum Pumping and Leak Detection ...........................................................................62
8.8 Check after Installation and Test Operation ...................................................................62

Service Manual
Table of contents Table of contents
9. Maintenance............................................................................................................63
9.1 Precautions before Maintenance....................................................................................63
9.2 Error Code List ...............................................................................................................64
9.3 Troubleshooting for Main Malfunction ............................................................................67
9.4 Troubleshooting for Normal Malfunction.........................................................................83
10. Exploded View and Parts List ..............................................................85
10.1 Indoor Unit....................................................................................................................85
10.2 Outdoor Unit .................................................................................................................91
11. Removal Procedure.......................................................................................95
11.1 Removal Procedure of Indoor Unit ...............................................................................95
11.2 Removal Procedure of Outdoor Unit ..........................................................................110
Appendix:......................................................................................................................121
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................121
Appendix 2: Conguration of Connection Pipe...................................................................121
Appendix 3: Pipe Expanding Method .................................................................................122
Appendix 4: List of Resistance for Temperature Sensor ....................................................123

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Part Ⅰ: Technical Information
GWH18TC-S3DBA2E/I
GWH24TD-S3DBA2E/I
GWH18TC-S3DBA1E/I
GWH24TD-S3DBA1E/I
GWH18TC-S3DBA3E/I
GWH24TD-S3DBA3E/I
GWH18TC-S3DBA3E/O
GWH24TD-S3DBA3E/O
Remote Controller:
YAC1FB

2Technical Information
Service Manual
Model
1.GWH18TC-S3DBA2E
2.GWH18TC-S3DBA1E
3.GWH18TC-S3DBA3E
1.GWH24TD-S3DBA2E
2.GWH24TD-S3DBA3E
3.GWH24TD-S3DBA1E
Product Code 1.CB411003800 2.CB148009001
3.CB412003201 CB412003202
1.CB411004000 2.CB412003101
3.CB148008901
Power Supply
Rated Voltage V ～220-240 220-240
Rated Frequency Hz 50/60 50/60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 5275 7000
Heating Capacity W 5450 7000
Cooling Power Input W 1510 2000
Heating Power Input W 1465 1880
Cooling Power Current A 7.3 8.9
Heating Power Current A 7.1 8.7
Rated Input W 2500 3700
Rated Current A 12.88 16.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 950/870/790/710/630/560/480 1200/1130/1060/990/920/850/780
Dehumidifying Volume L/h 1.8 2.5
EER W/W 3.5 3.5
COP W/W 3.72 3.72
SEER 6.5 6.2
SCOP
Average:4.0
Warmer：4.6
Colder:3.3
Average:4.0
Warmer：4.6
Colder:3.3
Application Area m223-34 32-50
Indoor Unit
Model of indoor unit
1.GWH18TC-S3DBA2E/I
2.GWH18TC-S3DBA1E/I
3.GWH18TC-S3DBA3E/I
1.GWH24TD-S3DBA2E/I
2.GWH24TD-S3DBA3E/I
3.GWH24TD-S3DBA1E/I
Indoor Unit Product Code 1.CB411N03800 2.CB148N09001
3.CB412N03201 CB412N03202
1.CB411N04000 2.CB412N03101
3.CB148N08901
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ100X765 Φ106X890
Fan Motor Cooling Speed (SH/H/MH/M/ML/
L/SL) r/min 1200/1150/1050/950/850/750/650 1450/1300/1200/1100/1000/900/800
Fan Motor Heating Speed (SH/H/MH/M/ML/
L/SL) r/min 1350/1200/1100/1000/900/800/700 1450/1300/1200/1100/1000/900/800
Output of Fan Motor W 25 70
Fan Motor RLA A 0.1 0.25
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 2-1.5 2-1.5
Coil Length (LXDXW) mm 765X25.4X342.9 903X25.4X381
Swing Motor Model MP28VC/MP28VC/MP24AA MP35CJ/MP24HB/MP24HC
Output of Swing Motor W 2/2/1.5 2.5/1.5/1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/
SL) dB (A) 46/44/42/40/38/36/34 51/50/46/44/42/40/37
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 60/58/56/54/52/50/48 65/62/58/56/54/52/49
Dimension (WXHXD) mm 1018X319X230 1178X326X264
Dimension of Carton Box (LXWXH) mm 1094X394X325 1253X411X349
Dimension of Package (LXWXH) mm 1097X397X340 1256X414X364
Net Weight kg 14 17
Gross Weight kg 17 21
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
Model of Outdoor Unit GWH18TC-S3DBA3E/O GWH24TD-S3DBA3E/O
Outdoor Unit Product Code CB412W03200 CB412W03100
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO,LTD.
Compressor Model QXAT-B121zF070 QXAT-D20zF030
Compressor Oil 68EP RB68EP
Compressor Type Rotary Rotary
L.R.A. A 40 30
Compressor RLA A 6.6 11.3
Compressor Power Input W 1430 2476
Overload Protector 1NT11L-6233,HPC
115/95,KSD115ºC
1NT11L-6233,HPC
115/95,KSD115ºC
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºC 16~30 16~30
Ambient temp (cooling) ºC -15~54 -15~54
Ambient temp (heating) ºC -30~24 -30~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7Φ7
Rows-n Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 823.5X38.1X660 945X38.1X748
Fan Motor Speed rpm 780 820
Output of Fan Motor W 60 90
Fan Motor RLA A 0.58 0.65
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit m3/h 3200 4000
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ520 Φ550
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) 56/-/- 58/-/-
Sound Power Level (H/M/L) dB (A) 65/-/- 68/-/-
Dimension (WXHXD) mm 963X700X396 1000X790X427
Dimension of Carton Box (LXWXH) mm 1026X455X735 1080X485X840
Dimension of Package (LXWXH) mm 1029X458X750 1083X488X855
Net Weight kg 51 65
Gross Weight kg 55.5 70
Refrigerant R410A R410A
Refrigerant Charge kg 1.65 2.0
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 20 50
Outer Diameter Liquid Pipe mm Φ6Φ6
Outer Diameter Gas Pipe mm Φ12 Φ16
Max Distance Height m 10 10
Max Distance Length m 25 25
Note:The connection pipe applies metric diameter.

4Technical Information
Service Manual
2.2 Operation Characteristic Curve
01020304050607090010 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
• 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
24K
24K
18K 18K
2.3 Capacity Variation Ratio According to Temperature
Cooling
Cooling
Heating
Heating
-305444342414-154 -15
40
50
120
110
100
90
80
70
60
10
70-8-20
Outdoor Temp.(°C)Outdoor Temp.(°C)
• Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Capacity ratio(%)
Capacity ratio(%)
0
20
40
60
80
100
120
• Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m

5
Technical Information
Service Manual
2.5 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
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 18K 0.9~1.0 in:8~11
out:11~14
in:75~83
out:37~48 Super High High 73
27/19 35/24 24K 0.9~1.0 in:8~11
out:11~14
in:75~83
out:37~48 Super High High 75
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
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/15 7/6 18K 2.2~2.4 in:75~83
out:37~45
in:1~3
out:2~6 Super High High 75
20/15 7/6 24K 2.2~2.4 in:75~83
out:37~45
in:1~3
out:2~6 Super High High 80
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 m.
Cooling:
Heating:
2.4 Noise Curve
24K
18K
20
30
40
50
SL LMLMHMHSH
Indoor fan motor rating speed
Noise/dB(A)
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
Indoor side noise Outdoor side noise

6Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
Model W H D
18K 1018 319 230
24K 1178 326 264
130 100
50
178 747 253
Φ70 Φ70
144 685 189
55
44
Φ70
13
55
Φ70
119
W
H
D
18K
24K

7
Technical Information
Service Manual
3.2 Outdoor Unit
340
963
700
396
890
560
364
Unit:mm
427
1000
920
610
370
790
395
GWH24TD-S3DBA3E/O
GWH18TC-S3DBA3E/O
Unit:mm