Gree GWH18QE-D3DND6A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models:GWH18QE-D3DND6A
GWH24QE-D3DND6L
(Refrigerant R410A)

Table of Contents
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........................................................................................................................ 6
3. Outline Dimension Diagram.......................................................................... 7
3.1 Indoor Unit.......................................................................................................................... 7
3.2 Outdoor Unit ....................................................................................................................... 8
4. Refrigerant System Diagram........................................................................ 9
5. Electrical Part........................................................................................................... 10
5.1 Wiring Diagram................................................................................................................. 10
5.2 PCB Printed Diagram ....................................................................................................... 12
6. Function and Control........................................................................................ 15
6.1 Remote Controller Introduction ....................................................................................... 15
6.2 Operation of Smart Control (Smart Phone, Tablet PC) For Gree ..................................... 20
6.3 Operation of Smart Control (Smart Phone, Tablet PC) ................................................... 33
6.4 Brief Description of Modes and Functions........................................................................ 46
Part Ⅱ: Installation and Maintenance ................................................... 51
7. Notes for Installation and Maintenance............................................ 51
8. Installation.................................................................................................................. 53
8.1 Installation Dimension Diagram........................................................................................ 53
8.2 Installation Parts-checking .............................................................................................. 55
8.3 Selection of Installation Location...................................................................................... 55
8.4 Electric Connection Requirement .................................................................................... 55
8.5 Installation of Indoor Unit.................................................................................................. 55
8.6 Installation of Outdoor Unit............................................................................................... 58
8.7 Vacuum Pumping and Leak Detection ............................................................................. 59
8.8 Check after Installation and Test Operation ..................................................................... 59
8.9 Wired Controller ............................................................................................................... 60

Table of Contents
Service Manual
9. Maintenance.............................................................................................................. 70
9.1 Error Code List ................................................................................................................. 70
9.2 Procedure of Troubleshooting .......................................................................................... 77
9.3 Troubleshooting for Normal Malfunction........................................................................... 91
10. Exploded View and Parts List ................................................................ 93
10.1 Indoor Unit...................................................................................................................... 93
10.2 Outdoor Unit ................................................................................................................... 95
11. Removal Procedure......................................................................................... 97
11.1 Removal Procedure of Indoor Unit ................................................................................. 97
11.2 Removal Procedure of Outdoor Unit ............................................................................ 102
Appendix:........................................................................................................................ 108
Appendix 1: Reference Sheet of Celsius and Fahrenheit .................................................... 108
Appendix 2: Conguration of Connection Pipe..................................................................... 108
Appendix 3: Pipe Expanding Method ................................................................................... 109
Appendix 4: List of Resistance for Temperature Sensor .......................................................110

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Remote Controller:
Part Ⅰ: Technical Information
GWH18YE-D3DNA1A/O
GWH24YE-D3DNA1A/O
GWH18QE-D3DND6A/I
GWH24QE-D3DND6L/I
YAG1FBF
FAN
MODE
ON/OFF

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH18QE-D3DND6A GWH24QE-D3DND6L
Product Code CB460001300 CB460001600
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 50/60 50/60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 18000(4094~21837) 22000(6800~30700)
Heating Capacity(Min~Max) Btu/h 18000(4094~24566) 24000(6800~32000)
Cooling Power Input(Min~Max) W 1330(350~2500) 1700(450~3700)
Heating Power Input(Min~Max) W 1500(350~2500) 2000(380~3700)
Cooling Power Current A 5.7 7.54
Heating Power Current A 6.2 9.37
Rated Input W 2500 3700
Rated Current A 10.8 16.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) CFM 736/677/618/559/500/457/353 824/765/706/647/589/500/383
Dehumidifying Volume Pint/h 1.8 2.5
EER (Btu/h)/W 13.53 13.00
COP (Btu/h)/W 12.00 12.00
SEER 24.5 21.50
SCOP 12 11.30
Application Area yd227.51-40.7 38.3~59.8
Indoor Unit
Model of indoor unit GWH18QE-D3DND6A/I GWH24QE-D3DND6L/I
Indoor Unit Product Code CB460N01300 CB460N01600
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/4X32 11/16 Φ4 3/16X35
Fan Motor Cooling Speed (SH/H/
MH/M/ML/L/SL/Q) r/min 1400/1300/1200/1100/1000/850/600 1500/1300/1100/1000/900/850/800/6
00
Fan Motor Heating Speed (SH/H/
MH/M/ML/L/SL/Q) r/min 1400/1250/1100/1050/1000/900/850 1500/1300/1100/1050/1000/900/850
Output of Fan Motor W 60 70
Fan Motor RLA A 0.24 0.24
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Ф1/4 Ф1/4
Row-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 33 1/4X1X13 1/2 33 1/4X1X13 1/2
Swing Motor Model MP35CP/MP24HF MP35CJ/MP24HF
Output of Swing Motor W 2.5/1.5 2.5/1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/MH/
M/ML/L/SL) dB (A) 51/48/45/42/39/36/34 52/48/46/44/42/40/37
Sound Power Level (SH/H/MH/M/
ML/L/SL) dB (A) 61/58/55/52/49/46/44 62/58/56/54/52/50/47
Dimension (WXHXD) inch 42 7/16X12 51/64X9 11/16 42 7/16X12 51/64X9 11/16
Dimension of Carton Box
(LXWXH) inch 45 5/64X16 9/64X13 3/16 45 5/64X16 9/64X13 3/16
Dimension of Package (LXWXH) inch 45 13/64X16 17/64X13 25/32 45 13/64X16 17/64X13 25/32
Net Weight Ib 36.4 35.3
Gross Weight Ib 44.1 43

3
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH18YE-D3DNA1A/I GWH24YE-D3DNA1A/O
Outdoor Unit Product Code CB437W01500 CB437W01700
Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICE
CO., LTD
ZHUHAI LANDA COMPRESSOR
CO., LTD
Compressor Model QXAT-D20zF030 QXAT-D20zF030
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
Compressor L.R.A. A 30 30
Compressor RLA 15.5 16
Compressor Power Input W 2443 2443
Overload Protector 1NT11L-6233/HPC115/95/
KSD115°C
1NT11L-6233/HPC115/95/
KSD115°C
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~129 0~129
Ambient temp (heating) ºF -22~75 -22~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ1/4 Φ1/4
Rows-n Gap inch 2-1/16 3-1/16
Coil Length (LXDXW) inch 37 3/16X1 1/2X29 7/16 37 51/64X3 7/16X29 29/64
Fan Motor Speed rpm 820 820
Output of Fan Motor W 90 90
Fan Motor RLA A 0.65 0.65
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 2354 4000
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ17 1/4 Φ21 21/32
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Design Pressure(High) PSIG 550 550
Design Pressure(Low) PSIG 240 240
Sound Pressure Level (H/M/L) dB (A) 59/-/- 59/-/-
Sound Power Level (H/M/L) dB (A) 69/-/- 69/-/-
Dimension (WXHXD) inch 39 3/8X31 7/64X16 13/16 39 3/8X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 41/64X19 7/32X33 21/32 42 41/64X19 7/32X33 21/32
Net Weight Ib 141.1 141.1
Gross Weight Ib 152.1 152.1
Refrigerant R410A R410A
Refrigerant Charge oz 74.1 81.1
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.5 0.5
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 5/8 5/8
Max Distance Height ft 32.8 32.8
Max Distance Length ft 82.0 82.0
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
2.3 Capacity Variation Ratio According to Temperature
Cooling
Cooling
Heating
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:DB 81°F
WB66 °F
Indoor air flow: Super High
Pipe length:24.6ft
Condition
Indoor:DB 68°F
Indoor air flow: Super High
Pipe length:24.6ft
Compressor Frequency(Hz) Compressor Frequency(Hz)
Current(A)
Current(A)
Capacity ratio(%)
Capacity ratio(%)
Outdoor temp(°F)
89.695 100.4 107.6 118.4
60
70
80
90
100
110
120
50
40 40
50
120
110
100
90
80
70
60
50
44.63217.6-22-45
Outdoor temp(°F)
Condition
Indoor:DB81°F WB66°F
Indoor air flow: Super High
Pipe length:24.6 ft
Condition
Indoor:DB 68°F
Indoor air flow:Super High
Pipe length:24.6 ft

5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°F) (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
(Hz)
Indoor Outdoor PSIG T1 (°F) T2 (°F)
81/66 95/75 18/24K 130.5~159.5 54 to 57 176 to 104 Super High High 75
Rated heating
condition(°F) (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
(Hz)
Indoor Outdoor P (MPa) T1 (°F) T2 (°F)
68/60 17/16 18/24K 365.3~391.3 158 to 104 34 to 41 Super High High 75
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: 24.6ft.
Cooling:
Heating:

6Technical Information
Service Manual
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)
18K
24K

7
Technical Information
Service Manual
WD
H
3 7/64
6
1 21/32
8 7/64 27 7 21/64
Φ2 3/4 Φ2 3/4
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:inch
W H D
42 7/16 12 51/64 9 11/16