Gree GWH09QD-S6DBC2A/I User manual

Service Manual
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet..................................................................................................3
2.2 Capacity Variation Ratio According to Temperature .................................13
2.3 Cooling and Heating Data Sheet in Rated Frequency...............................14
2.4 Noise Curve..............................................................................................................15
3. Outline Dimension Diagram......................................................................16
3.1 Indoor Unit ................................................................................................................16
3.2 Outdoor Unit.............................................................................................................17
4. Refrigerant System Diagram....................................................................18
5. Electrical Part.........................................................................................................19
5.1 Wiring Diagram .......................................................................................................19
5.2 PCB Printed Diagram............................................................................................23
6. Function and Control......................................................................................27
6.1 Remote Controller Introduction for YAG1FB3(WiFi)..................................27
6.2 Remote Controller Introduction for YAG1FB2(WiFi)..................................32
6.3 GREE+ App Operation Manual ..........................................................................37
6.4 Ewpe Smart App Operation Manual.................................................................38
6.5 Brief Description of Modes and Functions ...................................................39
Part Ⅱ: Installation and Maintenance .................................................44
7. Notes for Installation and Maintenance..........................................44
8. Installation................................................................................................................48
8.1 Installation Dimension Diagram........................................................................48
8.2 Installation Parts-checking ................................................................................50
8.3 Selection of Installation Location.....................................................................50
Table of Contents

Service Manual
8.4 Requirements for electric connection ............................................................50
8.5 Installation of Indoor Unit....................................................................................50
8.6 Installation of Outdoor Unit ................................................................................53
8.7 Vacuum Pumping and Leak Detection............................................................54
8.8 Check after Installation and Test Operation .................................................54
9. Maintenance............................................................................................................55
9.1 Error Code List........................................................................................................55
9.2 Procedure of Troubleshooting ..........................................................................61
9.3 Maintenance Method for Normal Malfunction..............................................75
10. Exploded View and Parts List ..............................................................77
10.1 Indoor Unit..............................................................................................................77
10.2 Outdoor Unit ..........................................................................................................90
11. Removal Procedure.......................................................................................95
11.1 Removal Procedure of Indoor Unit ................................................................95
11.2 Removal Procedure of Outdoor Unit...........................................................105
Appendix:......................................................................................................................115
Appendix 1: Reference Sheet of Celsius and Fahrenheit............................. 115
Appendix 2: Conguration of Connection Pipe ...............................................115
Appendix 3: Pipe Expanding Method...................................................................116
Appendix 4: List of Resistance for Temperature Sensor.............................. 117
Table of Contents

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Part Ⅰ: Technical Information
GWH09QD-S6DBC2A/I
GWH12QD-S6DBC2A/I
GWH09QC-S6DBC8A/I
GWH12QC-S6DBC8A/I
GWH09QD-S6DBD2A/I
GWH12QD-S6DBD2A/I
GWH18QE-S6DBD2B/I
GWH24QE-S6DBD2A/I
GWH09QD-S6DBE4A/I
GWH12QD-S6DBE4A/I
GWH18QE-S6DBE4B/I
GWH24QE-S6DBE4A/I
GWH09QD-S6DBE6A/I
GWH12QD-S6DBE6A/I
GWH18QE-S6DBE6B/I
GWH24QE-S6DBE6A/I
GWH09QD-S6DBD6A/I
GWH12QD-S6DBD6A/I
GWH18QE-S6DBD6B/I
GWH24QE-S6DBD6A/I

2Technical Information
Service Manual
Outdoor Unit:
Remote Controller:
YAG1FB3(WiFi)
GWH09YD-S6DBA2A/O
GWH12YD-S6DBA2A/O
GWH09ACC-S6DBA1A/O
GWH12ACC-S6DBA1A/O
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1 GWH09QD-S6DBC2A CB439014909 GWH09QD-S6DBC2A/I CB439N14900
GWH09YD-S6DBA2A/O CB466W00109
YAG1FB3
(WiFi)
2 GWH09QD-S6DBD2A CB461006109 GWH09QD-S6DBD2A/I CB461N06100
3 GWH09QD-S6DBE4A CB470005009 GWH09QD-S6DBE4A/I CB470N05000
4 GWH09QD-S6DBE6A CB465003309 GWH09QD-S6DBE6A/I CB465N03300
5 GWH09QD-S6DBD6A CB460007009 GWH09QD-S6DBD6A/I CB460N07000
6 GWH09QC-S6DBC8A CB456007000 GWH09QC-S6DBC8A/I CB456N07000 GWH09ACC-S6DBA1A/O CB497W09200
7 GWH12QD-S6DBC2A CB439014808 GWH12QD-S6DBC2A/I CB439N14800
GWH12YD-S6DBA2A/O CB466W00208
8 GWH12QD-S6DBD2A CB461006208 GWH12QD-S6DBD2A/I CB461N06200
9 GWH12QD-S6DBE4A CB470005108 GWH12QD-S6DBE4A/I CB470N05100
10 GWH12QD-S6DBE6A CB465003408 GWH12QD-S6DBE6A/I CB465N03400
11 GWH12QD-S6DBD6A CB460006908 GWH12QD-S6DBD6A/I CB460N06900
12 GWH12QC-S6DBC8A CB456006900 GWH12QC-S6DBC8A/I CB456N06900 GWH12ACC-S6DBA1A/O CB497W10000
13 GWH18QE-S6DBD2B CB461005900 GWH18QE-S6DBD2B/I CB461N05900
GWH18ACE-S6DBA1A/O CB497W11000
14 GWH18QE-S6DBE4B CB470005200 GWH18QE-S6DBE4B/I CB470N05200
15 GWH18QE-S6DBE6B CB465003600 GWH18QE-S6DBE6B/I CB465N03600
16 GWH18QE-S6DBD6B CB460006800 GWH18QE-S6DBD6B/I CB460N06800
17 GWH24QE-S6DBD2A CB461006000 GWH24QE-S6DBD2A/I CB461N06000
GWH24YE-S6DBA2A/O CB466W00300 YAG1FB2
(WiFi)
18 GWH24QE-S6DBE4A CB470005300 GWH24QE-S6DBE4A/I CB470N05300
19 GWH24QE-S6DBE6A CB465003500 GWH24QE-S6DBE6A/I CB465N03500
20 GWH24QE-S6DBD6A CB460007100 GWH24QE-S6DBD6A/I CB460N07100
Models List:
GWH18ACE-S6DBA1A/O
GWH24YE-S6DBA2A/O
YAG1FB2(WiFi)

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH09QC-S6DBC8A GWH12QC-S6DBC8A
Product Code CB456007000 CB456006900
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 2700 3530
Heating Capacity W 3500 4200
Cooling Power Input W 580 840
Heating Power Input W 800 1000
Cooling Power Current A 3.66 5.6
Heating Power Current A 4.90 6.6
Rated Input W 2400 2500
Rated Current A 6.76 9
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 680/550/500/460/430/400/320 680/620/560/490/450/420/390
Dehumidifying Volume L/h 0.8 1
EER W/W 4.66 4.20
COP W/W 4.38 4.20
SEER W/W 7.8 7.60
HSPF / /
SCOP(Awerage/Warmer/Colder) 4.7/5.8/3.8 4.6/5.5/3.7
Application Area m212-18 12-18
Indoor
Unit
Model of indoor unit GWH09QC-S6DBC8A/I GWH12QC-S6DBC8A/I
Indoor Unit Product Code CB456N07000 CB456N06900
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ98X633.5 Φ98X633.5
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/
SM) r/min 1300/1200/1120/1050/980/920/750/500 1350/1200/1120/1050/980/920/750/500
Fan Motor Heating Speed(SH/H/MH/M/ML/L/SL/
SM) r/min 1300/1200/1140/1080/1020/960/900/- 1350/1200/1140/1080/1020/960/900/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.09 0.09
Fan Motor Capacitor μF / /
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ5 Φ5
Row-n Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 635X22.8X306.3 635X22.8X306.3
Swing Motor Model MP24BA/MP24EB MP24EB/MP24HF
Output of Swing Motor W 1.5/1.5 1.5/1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL/SM) dB (A) 41/39/36/34/32/31/25/- 42/39/36/35/33/31/25/22
Sound Power Level (SH/H/MH/M/ML/L/SL/SM) dB (A) 56/49/46/44/42/41/35/- 58/49/46/45/43/41/35/32
Dimension (WXHXD) mm 845X289X209 845X289X209
Dimension of Carton Box (LXWXH) mm 918X278X364 918X278X364
Dimension of Package (LXWXH) mm 921X281X379 921X281X379
Net Weight kg 10.5 11
Gross Weight kg 12.5 13

4Technical 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 GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O
Outdoor Unit Product Code CB497W09200 CB497W10000
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO., LTD
ZHUHAI LANDA COMPRESSOR
CO., LTD
Compressor Model QXFT-B123zE170B QXFT-B123zE170B
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
L.R.A. A 20 20
Compressor RLA A 7.9 7.9
Compressor Power Input W 1230 1230
Overload Protector / /
Throttling Method Electron expansion valve Electron expansion valve
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC -18~52 -18~52
Ambient Temp (Heating) oC -30~24 -30~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Ф7Ф7.94
Rows-n Gap mm 2-1.4 2.5-1.4
Coil Length (LXDXW) mm 783X38.1X550 783X57X550
Fan Motor Speed rpm 850 850
Output of Fan Motor W 30 30
Fan Motor RLA A 0.37 0.37
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit m3/h 2400 2400
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф438 Ф438
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) 53/-/- 54/-/-
Sound Power Level (H/M/L) dB (A) 61/-/- 62/-/-
Dimension (WXHXD) mm 899X596X378 899X596X378
Dimension of Carton Box (LXWXH) mm 945X417X630 945X417X630
Dimension of Package (LXWXH) mm 948X420X645 948X420X645
Net Weight kg 42 44.5
Gross Weight kg 45 47.5
Refrigerant R32 R32
Refrigerant Charge kg 0.87 0.95
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe mm Ф6Ф6
Outer Diameter Gas Pipe mm Ф9.52 Ф9.52
Max Distance Height m 10 10
Max Distance Length m 15 15
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model
1.GWH09QD-S6DBC2A 2.GWH09QD-S6DBD2A
3.GWH09QD-S6DBE4A 4.GWH09QD-S6DBE6A
5.GWH09QD-S6DBD6A
Product Code
1.CB439014909 2.CB461006109
3.CB470005009 4.CB465003309
5.CB460007009
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50/60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2700
Heating Capacity W 3500
Cooling Power Input W 550
Heating Power Input W 745
Cooling Power Current A 3.52
Heating Power Current A 4.63
Rated Input W 2400
Rated Current A 7.99
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 800/730/680/630/580/450/350
Dehumidifying Volume L/h 0.8
EER W/W 4.91
COP W/W 4.70
SEER W/W 8.50
HSPF W/W /
SCOP(Awerage/Warmer/Colder) 5.1/5.7/3.8
Application Area m212-18
Indoor Unit
Model of indoor unit
1.GWH09QD-S6DBC2A/I 2.GWH09QD-S6DBD2A/I
3.GWH09QD-S6DBE4A/I 4.GWH09QD-S6DBE6A/I
5.GWH09QD-S6DBD6A/I
Indoor Unit Product Code
1.CB439N14900 2.CB461N06100
3.CB470N05000 4.CB465N03300
5.CB460N07000
Fan Type Cross-ow
Diameter Length(DXL) mm Φ106X706
Fan Motor Cooling Speed r/min 1200/1100/1030/960/820/650/600/500
Fan Motor Heating Speed r/min 1300/1200/1120/1040/880/700/650/-
Output of Fan Motor W 60
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Input of Heater W /
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/MP24HF
Output of Swing Motor W 2.5/1.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/
L/SL) dB (A) 44/43/38/36/31/24/22
Sound Power Level (SH/H/MH/M/ML/L/
SL) dB (A) 58/53/48/46/41/34/32
Dimension (WXHXD) mm 970X300X224
Dimension of Carton Box (LXWXH) mm 1038X380×X305
Dimension of Package (LXWXH) mm 1041X383X320
Net Weight kg 13
Gross Weight kg 16

6Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH09YD-S6DBA2A/O
Outdoor Unit Product Code CB466W00109
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model QXFT-B123zE170B
Compressor Oil FW68DA/equivalent
Compressor Type Rotary
L.R.A. A 20
Compressor RLA A 7.9
Compressor Power Input W 1230
Overload Protector /
Throttling Method Electron expansion valve
Operation Temp oC 8~30
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 2.5-1.4
Coil Length (LXDXW) mm 763X57X550
Fan Motor Speed rpm 900
Output of Fan Motor W 30
Fan Motor RLA A 0.37
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 2400
Fan Type Axial-ow
Fan Diameter mm Ф438
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) 53/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension (WXHXD) mm 899X596X378
Dimension of Carton Box (LXWXH) mm 945X417X630
Dimension of Package (LXWXH) mm 948X420X645
Net Weight kg 44.5
Gross Weight kg 47.5
Refrigerant R32
Refrigerant Charge kg 1
Connection
Pipe
Length m 5
Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф9.52
Max Distance Height m 10
Max Distance Length m 15
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
1.GWH12QD-S6DBC2A 2.GWH12QD-S6DBD2A
3.GWH12QD-S6DBE4A 4.GWH12QD-S6DBE6A
5.GWH12QD-S6DBD6A
Product Code
1.CB439014808 2.CB461006208
3.CB470005108 4.CB465003408
5.CB460006908
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50/60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 3530
Heating Capacity W 4200
Cooling Power Input W 840
Heating Power Input W 950
Cooling Power Current A 5.10
Heating Power Current A 5.70
Rated Input W 2600
Rated Current A 8.2
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 800/730/680/630/580/450/350
Dehumidifying Volume L/h 1.40
EER W/W 4.20
COP W/W 4.42
SEER W/W 8.50
HSPF W/W /
SCOP(Awerage/Warmer/Colder) 5.1/5.7/4
Application Area m216-24
Indoor Unit
Model of indoor unit
1.GWH12QD-S6DBC2A/I 2.GWH12QD-S6DBD2A/I
3.GWH12QD-S6DBE4A/I 4.GWH12QD-S6DBE6A/I
5.GWH12QD-S6DBD6A/I
Indoor Unit Product Code
1.CB439N14800 2.CB461N06200
3.CB470N05100 4.CB465N03400
5.CB460N06900
Fan Type Cross-ow
Diameter Length(DXL) mm Φ106X706
Fan Motor Cooling Speed r/min 1200/1100/1030/960/820/650/600/500
Fan Motor Heating Speed r/min 1300/1200/1120/1040/880/700/650/-
Output of Fan Motor W 60
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Input of Heater W /
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/MP24HF
Output of Swing Motor W 2.5/1.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/
SL) dB (A) 44/43/38/36/31/24/22
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 58/53/48/46/41/34/32
Dimension (WXHXD) mm 970X300X224
Dimension of Carton Box (LXWXH) mm 1038X380×X305
Dimension of Package (LXWXH) mm 1041X383X320
Net Weight kg 13.5
Gross Weight kg 16.5

8Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH12YD-S6DBA2A/O
Outdoor Unit Product Code CB466W00208
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD
Compressor Model QXFT-B123zE170A
Compressor Oil FW68DA/equivalent
Compressor Type Rotary
L.R.A. A 20
Compressor RLA A 7.9
Compressor Power Input W 1230
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 Ф7.94
Rows-n Gap mm 2.5-1.4
Coil Length (LXDXW) mm 783X57X550
Fan Motor Speed rpm 850
Output of Fan Motor W 30
Fan Motor RLA A 0.37
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 2400
Fan Type Axial-ow
Fan Diameter mm Ф438
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) 54/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension (WXHXD) mm 899X596X378
Dimension of Carton Box (LXWXH) mm 945X417X630
Dimension of Package (LXWXH) mm 948X420X645
Net Weight kg 45.5
Gross Weight kg 48.5
Refrigerant R32
Refrigerant Charge kg 1
Connection
Pipe
Length m 5
Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф9.52
Max Distance Height m 10
Max Distance Length m 20
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

9
Technical Information
Service Manual
Model 1.GWH18QE-S6DBD2B 2.GWH18QE-S6DBE4B
3.GWH18QE-S6DBE6B 4.GWH18QE-S6DBD6B
Product Code 1.CB461005900 2.CB470005200
3.CB465003600 4.CB460006800
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50/60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 5300
Heating Capacity W 6200
Cooling Power Input W 1180
Heating Power Input W 1450
Cooling Power Current A 5.9
Heating Power Current A 5.9
Rated Input W 3200
Rated Current A 15
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 1200/1150/1050/950/850/780/600
Dehumidifying Volume L/h 1.8
EER W/W 4.49
COP W/W 4.27
SEER 7.5
HSPF /
SCOP(Awerage/Warmer/Colder) 4.4/5.1/3.4
Application Area m223-34
Indoor
Unit
Model of indoor unit 1.GWH18QE-S6DBD2B/I 2.GWH18QE-S6DBE4B/I
3.GWH18QE-S6DBE6B/I 4.GWH18QE-S6DBD6B/I
Indoor Unit Product Code 1.CB461N05900 2.CB470N05200
3.CB465N03600 4.CB460N06800
Fan Type Cross-ow
Diameter Length(DXL) mm Φ108X830
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/
SM) r/min 1200/1150/1100/1000/900/850/800/600
Fan Motor Heating Speed(SH/H/MH/M/ML/L/SL/
SM) r/min 1250/1150/1100/1000/800/700/650/-
Output of Fan Motor W 60
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Input of Heater W /
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/MP24HF
Output of Swing Motor W 2.5/1.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL/SM) dB
(A)
Cooling:46/44/42/39/36/34/32/-
Heating:47/44/43/40/32/28/25/-
Sound Power Level (SH/H/MH/M/ML/L/SL/SM) dB
(A)
Cooling:60/54/52/49/46/44/42/-
Heating:57/54/53/50/42/38/35/-
Dimension (WXHXD) mm 1078X325X246
Dimension of Carton Box (LXWXH) mm 1145X410X335
Dimension of Package (LXWXH) mm 1148X413X350
Net Weight kg 16.5
Gross Weight kg 20

10 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 GWH18ACE-S6DBA1A/O
Outdoor Unit Product Code CB497W11000
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 10.5
Compressor Power Input W 2260
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 2-1.4
Coil Length (LXDXW) mm 945X38.1X748
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) 63/-/-
Dimension (WXHXD) mm 1003X790X427
Dimension of Carton Box (LXWXH) mm 1080X485X840
Dimension of Package (LXWXH) mm 1083X488X855
Net Weight kg 61
Gross Weight kg 66
Refrigerant R32
Refrigerant Charge kg 1.5
Connection
Pipe
Length m 5
Gas Additional Charge g/m 40
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф16
Max Distance Height m 20
Max Distance Length m 40
Note: The connection pipe applies metric diameter.

11
Technical Information
Service Manual
Model 1.GWH24QE-S6DBD2A 2.GWH24QE-S6DBE4A
3.GWH24QE-S6DBE6A 4.GWH24QE-S6DBD6A
Product Code 1.CB461006000 2.CB470005300
3.CB465003500 4.CB460007100
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 A 11
Heating Power Current A 10.76
Rated Input W 3800
Rated Current A 16.4
Rated Heating Current A 16.4
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 1200/1050/950/900/850/750/700
Dehumidifying Volume L/h 2
EER W/W 3.8
COP W/W 4
SEER W/W 6.5
HSPF W/W /
SCOP(Average/Warmer/Colder) 4.1/5.3/3.5
Application Area m232-50
Indoor Unit
Model of indoor unit 1.GWH24QE-S6DBD2A/I 2.GWH24QE-S6DBE4A/I
3.GWH24QE-S6DBE6A/I 4.GWH24QE-S6DBD6A/I
Indoor Unit Product Code 1.CB461N06000 2.CB470N05300
3.CB465N03500 4.CB460N07100
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 60
Fan Motor RLA A 0.24
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/MP24HF
Output of Swing Motor W 2.5/1.5
Fuse A 3.15
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 50/46/43/41/39/37/35
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) 64/60/57/55/53/51/49
Dimension (WXHXD) mm 1078X325X246
Dimension of Carton Box (LXWXH) mm 1145X410X335
Dimension of Package (LXWXH) mm 1148X413X350
Net Weight kg 16.5
Gross Weight kg 20

12 Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWH24YE-S6DBA2A/O
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) 58/-/-
Sound Power Level (H/M/L) dB (A) 69/-/-
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 40
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.

13
Technical Information
Service Manual
09K
2.2 Capacity Variation Ratio According to Temperature
Cooling
Heating
0
50
100
150
200
250
-30-25 -20-15 -10
10
-5 05
7
Outdoor temp(°C)
Capacity ratio(%)
Outdoor temp. (°C)
110
100
90
80
70
60
50
Condition
Indoor:DB 27°C WB19°C
Indoor air flow: Super High
Pipe length:5m
Capacity ratio(%)
Condition
Indoor:DB 20°C
Indoor air flow:Super High
Pipe length:
5m
02224262820323638340 24446484502554
12K
Cooling
Heating
Capacity ratio(%)
Outdoor temp. (°C)
110
100
90
80
70
60
50
54
022242628203236338
40 244464845502
Capacity ratio(%)
Condition
Indoor:DB 27°C WB19°C
Indoor air flow: Super High
Pipe length:5m
-10-5
Outdoor temp(°C)
0
20
40
60
80
100
120
140
160
180
200
-3025--20 15-057
10
Condition
Indoor:DB 20°C
Indoor air flow:Super High
Pipe length:
5m

14 Technical Information
Service Manual
18/24K
Cooling
Heating
Capacity ratio(%)
Outdoor temp. (°C)
21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51
110
100
90
80
70
60
50
53
Outdoor temp(°C)
Condition
Indoor:DB 27°C WB19°C
Indoor air flow: Super High
Pipe length:5/7.5m
Capacity ratio(%)
-30
0
0510 15
24
-25-20 -15-10 -5
20
40
60
80
100
120
Condition
Indoor:DB 20°C
Indoor air flow:Super High
Pipe length:
5/7.5m
2.3 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 9/12K 0.9 to 1.1 12 to 14 75 to 37 Super High High 56
27/19 35/24 18/24K 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 9/12K 2.8 to 3.0 70 to 35 2 to 4 Super High High 60
20/- 7/6 18/24K 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: 5/7.5m.
Cooling:
Heating:

15
Technical Information
Service Manual
2.4 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
Indoor fan motor rotating speed
60
40
50
30
10
20
Indoor fan motor rotating speed
Super
High
Super
Low
Middle
High
Middle
Low HighMiddleLow
Noise dB(A)
9/12K
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 fan motor rotating speed
60
40
50
30
10
20
Indoor fan motor rotating speed
Super
High
Super
Low
Middle
High
Middle
Low HighMiddleLow
Noise dB(A)
24K
18K

16 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
WD
H
104 685 181
140
190
38
Φ55 Φ55
38
Φ55 Φ55
123.5542 179.5
83.2
124.7
35 35
QC
QD
QE
79
154
43
206685 187
Φ70 Φ70 Unit:mm
Models W H D
QC 899 596 378
QD 970 300 224
QE 1078 325 246

17
Technical Information
Service Manual
3.2 Outdoor Unit
Unit:mm
GWH09ACC-S6DBA1A/O GWH09YD-S6DBA2A/O GWH12ACC-S6DBA1A/O GWH12YD-S6DBA2A/O
GWH18ACE-S6DBA1A/O GWH18ACE-S6DBA1A/O
596
378
303
899
818
354
550
Unit:mm
4271003
920370
790
610
395