Gree GWH18QD-K3DNB2G, GWH18QD-K3DNA5G, GWH18QD-K3DNB4G, GWH18QD-K3DNB6G, GWH18QD-K3DNB8G Service Manual
...
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH18QD-K3DNA1G
GWH18QD-K3DNA2G
GWH18QD-K3DNA5G
GWH18QD-K3DNA6G
GWH18QD-K3DNB2G
GWH18QD-K3DNB4G
GWH18QD-K3DNB6G
GWH18QD-K3DNB8G
GWH18QD-K3DNC2G
GWH24QE-K3DNA1G
GWH24QE-K3DNA2G
GWH24QE-K3DNA5G
GWH24QE-K3DNA6G
GWH24QE-K3DNB2G
GWH24QE-K3DNB4G
GWH24QE-K3DNB6G
GWH24QE-K3DNB8G
GWH24QE-K3DNC2G
(Refrigerant R410A)
Service Manual
Table of Contents
Table of Contents
Part
Ⅰ
: Technical Information
.......................................................................1
1. Summary
......................................................................................................................1
2. Specications
..........................................................................................................3
2.1 Specication Sheet ...........................................................................................................3
2.2 Operation Characteristic Curve ...................................................................................... 11
2.3 Capacity Variation Ratio According to Temperature ....................................................... 11
2.4 Cooling and Heating Data Sheet in Rated Frequency ...................................................12
2.5 Noise Curve ....................................................................................................................12
3. Outline Dimension Diagram
......................................................................13
3.1 Indoor Unit ......................................................................................................................13
3.2 Outdoor Unit ...................................................................................................................14
4. Refrigerant System Diagram
....................................................................15
5. Electrical Part
.........................................................................................................16
5.1 Wiring Diagram ...............................................................................................................16
5.2 PCB Printed Diagram .....................................................................................................20
6. Function and Control
......................................................................................23
6.1 Remote Controller Introduction .....................................................................................23
6.2 Brief Description of Modes and Functions ......................................................................27
Part
Ⅱ
: Installation and Maintenance
.................................................36
7. Notes for Installation and Maintenance
..........................................36
8. Installation
................................................................................................................38
8.1 Installation Dimension Diagram ......................................................................................38
8.2 Installation Parts-checking ............................................................................................40
8.3 Selection of Installation Location ....................................................................................40
8.4 Electric Connection Requirement ...................................................................................40
8.5 Installation of Indoor Unit ................................................................................................40
8.6 Installation of Outdoor Unit .............................................................................................43
8.7 Vacuum Pumping and Leak Detection ...........................................................................44
8.8 Check after Installation and Test Operation ...................................................................44
Service Manual
Table of Contents
9. Maintenance
............................................................................................................45
9.1 Malfunction Display of Indoor Unit ..................................................................................45
9.2 Procedure of Troubleshooting ........................................................................................47
9.3 Troubleshooting for Normal Malfunction .........................................................................64
10. Exploded View and Parts List
..............................................................66
10.1 Indoor Unit ....................................................................................................................66
10.2 Outdoor Unit .................................................................................................................86
11. Removal Procedure
.......................................................................................89
11.1 Removal Procedure of Indoor Unit ...............................................................................89
11.2 Removal Procedure of Outdoor Unit ............................................................................94
Appendix:
......................................................................................................................101
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................101
Appendix 2: Conguration of Connection Pipe ...................................................................101
Appendix 3: Pipe Expanding Method .................................................................................102
Appendix 4: List of Resistance for Temperature Sensor ....................................................103
1
Technical Information
Service Manual
1. Summary
Part
Ⅰ
: Technical Information
Indoor Unit
A1 panel
A2 panel
A5 panel
GWH18QD-K3DNA5G/I(CB425N03402/CB425N03400)
GWH24QE-K3DNA5G/I(CB425N03302)
A5 panel
GWH18QD-K3DNA5G/I(CB425N03403)
GWH24QE-K3DNA5G/I(CB425N03303)
B2 panel
B4 panel
A6 panel
2
Technical Information
Service Manual
Outdoor Unit
GWH18QD-K3DNA1G/O
GWH24QE-K3DNA1G/O
Remote Controller
YAN1F1
B6 panel
B8 panel
C2 panel
3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model
1.GWH18QD-K3DNA1G 2.GWH18QD-K3DNA5G
3.GWH18QD-K3DNA6G 4.GWH18QD-K3DNB4G
5.GWH18QD-K3DNB6G
Product Code
1.CB419005600 2.CB425003402 CB425003403
3.CB427004400 4.CB434002002
5.CB435000202
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 5130(1260~6600)
Heating Capacity(Min~Max) W 5275(1120~6800)
Cooling Power Input(Min~Max) W 1580(380~2450)
Heating Power Input(Min~Max) W 1410(350~2600)
Cooling Current Input A 7.0
Heating Current Input A 6.3
Rated Input W 2600
Rated Current A 11.5
Air Flow Volume(SH/H/M//L/SL) m3/h 800/720/610/520/-
Dehumidifying Volume L/h 1.8
EER W/W 3.25
COP W/W 3.74
SEER W/W 6.1
HSPF W/W /
Application Area m
2
23-34
Indoor
Unit
Indoor Unit Model
1.GWH18QD-K3DNA1G/I 2.GWH18QD-K3DNA5G/I
3.GWH18QD-K3DNA6G/I 4.GWH18QD-K3DNB4G/I
5.GWH18QD-K3DNB6G/I
Indoor Unit Product Code
1.CB419N05600 2.CB425N03402 CB425N03403
3.CB427N04400 4.CB434N02002
5.CB435N00202
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф106X706
Cooling Speed(SH/H/M//L/SL) r/min 1230/1130/1030/900/Heating Speed(SH/H/M//L/SL) r/min 1250/1100/1000/900/-
Fan Motor Power Output W 35
Fan Motor RLA A 0.35
Fan Motor Capacitor μF 2.5
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 715X25.4X304.8
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 46/42/39/36/-
Sound Power Level(SH/H/M//L/SL) dB (A) 58/54/51/48/-
Dimension (WXHXD) mm 970X300X224
Dimension of Carton Box (LXWXH) mm 1038X380X305
Dimension of Package(LXWXH) mm 1041X383X320
Net Weight kg 13.5
Gross Weight kg 16.5
4
Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH18QD-K3DNA1G/O
Outdoor Unit Product Code CB419W05600
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXA-B141zF030
Compressor Oil 68EP
Compressor Type Rotary
Compressor LRA. A 18
Compressor RLA A 7.5
Compressor Power Input W 1440
Compressor Overload Protector 1NT11L-6233 or KSD115ºC or HPC115/95U1
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range
ºC -15~43
Heating Operation Ambient Temperature
Range
ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 851X38.1X660
Fan Motor Speed rpm 750
Fan Motor Power Output W 60
Fan Motor RLA A /
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Ф520
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 45
Gross Weight kg 49.5
Refrigerant R410A
Refrigerant Charge kg 1.3
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф12
Max Distance Height m 10
Max Distance Length m 25
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.
5
Technical Information
Service Manual
Parameter Unit Value
Model
1.GWH18QD-K3DNA1G 2.GWH18QD-K3DNA2G
3.GWH18QD-K3DNA5G 4.GWH18QD-K3DNB2G
5.GWH18QD-K3DNB4G 6.GWH18QD-K3DNB6G
7.GWH18QD-K3DNB8G 8.GWH18QD-K3DNC2G
Product Code
1.CB419005601 2.CB426001401
3.CB425003401 4.CB432002301
5.CB434002001 6.CB435000201
7.CB438000501 8.CB439000201
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 5130(1260~6600)
Heating Capacity(Min~Max) W 5275(1120~6800)
Cooling Power Input(Min~Max) W 1580(380~2450)
Heating Power Input(Min~Max) W 1410(350~2600)
Cooling Current Input A 7.0
Heating Current Input A 6.3
Rated Input W 2600
Rated Current A 11.5
Air Flow Volume(SH/H/M//L/SL) m3/h 800/720/610/520/-
Dehumidifying Volume L/h 1.8
EER W/W 3.25
COP W/W 3.74
SEER W/W 6.1
HSPF W/W /
Application Area m
2
23-34
Indoor
Unit
Indoor Unit Model
1.GWH18QD-K3DNA1G/I 2.GWH18QD-K3DNA2G/I
3.GWH18QD-K3DNA5G/I 4.GWH18QD-K3DNB2G/I
5.GWH18QD-K3DNB4G/I 6.GWH18QD-K3DNB6G/I
7.GWH18QD-K3DNB8G/I 8.GWH18QD-K3DNC2G/I
Indoor Unit Product Code
1.CB419N05601 2.CB426N01400
3.CB425N03400 4.CB432N02300
5.CB434N02000 6.CB435N00200
7.CB438N00500 8.CB439N00200
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф106X706
Cooling Speed(SH/H/M//L/SL) r/min 1230/1130/1030/900/Heating Speed(SH/H/M//L/SL) r/min 1250/1100/1000/900/-
Fan Motor Power Output W 35
Fan Motor RLA A 0.35
Fan Motor Capacitor μF 2.5
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 715X25.4X304.8
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 46/42/39/36/-
Sound Power Level(SH/H/M//L/SL) dB (A) 58/54/51/48/-
Dimension (WXHXD) mm 970X300X224
Dimension of Carton Box (LXWXH) mm 1038X380X305
Dimension of Package(LXWXH) mm 1041X383X320
Net Weight kg 13.5
Gross Weight kg 16.5
6
Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH18QD-K3DNA1G/O
Outdoor Unit Product Code CB419W05601
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXA-B141zF030
Compressor Oil 68EP
Compressor Type Rotary
Compressor LRA. A 18
Compressor RLA A 7.5
Compressor Power Input W 1440
Compressor Overload Protector 1NT11L-6233 or KSD115ºC or HPC115/95U1
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range
ºC -15~43
Heating Operation Ambient Temperature
Range
ºC -20~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 851X38.1X660
Fan Motor Speed rpm 750
Fan Motor Power Output W 60
Fan Motor RLA A /
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Ф520
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 45
Gross Weight kg 49.5
Refrigerant R410A
Refrigerant Charge kg 1.3
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф12
Max Distance Height m 10
Max Distance Length m 25
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
Parameter Unit Value
Model
1.GWH24QE-K3DNA1G 2.GWH24QE-K3DNA2G
3.GWH24QE-K3DNA5G 4.GWH24QE-K3DNA6G
5.GWH24QE-K3DNB4G 6.GWH24QE-K3DNB6G
Product Code
1.CB419005300 CB419005302 2.CB426001501
3.CB425003302 CB425003303 4.CB427004500
5.CB434002202 6.CB435000303
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 6700(2000~8200)
Heating Capacity(Min~Max) W 7250(2000~8500)
Cooling Power Input(Min~Max) W 1875(400~3700)
Heating Power Input(Min~Max) W 1945(450~3800)
Cooling Current Input A 8.32
Heating Current Input A 8.63
Rated Input W 3800
Rated Current A 16.86
Air Flow Volume(SH/H/M//L/SL) m3/h 1150/1000/900/800/-
Dehumidifying Volume L/h 2.1
EER W/W 3.57
COP W/W 3.73
SEER W/W 6.30
HSPF W/W /
Application Area m
2
23-34
Indoor
Unit
Indoor Unit Model
1.GWH24QE-K3DNA1G/I 2.GWH24QE-K3DNA2G/I
3.GWH24QE-K3DNA5G/I 4.GWH24QE-K3DNA6G/I
5.GWH24QE-K3DNB4G/I 6.GWH24QE-K3DNB6G/I
Indoor Unit Product Code
2.CB419N05300 CB419N05302 2.CB426N01500
3.CB425N03302 CB425N03303 4.CB427N04500
5.CB434N02202 6.CB435N00303
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ108X830
Cooling Speed(SH/H/M//L/SL) r/min 1250/1000/900/800/Heating Speed(SH/H/M//L/SL) r/min 1250/1000/900/850/-
Fan Motor Power Output W 35
Fan Motor RLA A 0.35
Fan Motor Capacitor μF 3
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 845X25.4X342.9
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 48/45/42/39/-
Sound Power Level(SH/H/M//L/SL) dB (A) 64/59/56/53/-
Dimension (WXHXD) mm 1078X325X246
Dimension of Carton Box (LXWXH) mm 1145X410X335
Dimension of Package(LXWXH) mm 1148X413X350
Net Weight kg 17
Gross Weight kg 20.5
8
Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH24QE-K3DNA1G/O
Outdoor Unit Product Code CB419W05300
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO,LTD.
Compressor Model QXAS-D23zX090A
Compressor Oil FV50S
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 11.50
Compressor Power Input W 2550
Compressor Overload Protector 1NT11L-6233 or HPC115/95/ or KSD115ºC
Throttling Method Electron expansion valve+Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range
ºC -15~43
Heating Operation Ambient Temperature
Range
ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 935X38.1X660
Fan Motor Speed rpm 800/300
Fan Motor Power Output W 60
Fan Motor RLA A /
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Ф520
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 60/-/-
Sound Power Level (H/M/L) dB (A) 68/-/-
Dimension(WXHXD) mm 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 53
Gross Weight kg 57.5
Refrigerant R410A
Refrigerant Charge kg 1.9
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 50
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф16
Max Distance Height m 10
Max Distance Length m 25
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
Parameter Unit Value
Model
1.GWH24QE-K3DNA1G 2.GWH24QE-K3DNA5G
3.GWH24QE-K3DNB2G 4.GWH24QE-K3DNB4G
5.GWH24QE-K3DNB6G 6.GWH24QE-K3DNB8G
7.GWH24QE-K3DNC2G
Product Code
1.CB419005301 2.CB425003301
3.CB432002401 4.CB434002201
5.CB435000301 CB435000302 6.CB438000701
7.CB439000301
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 6700(2000~8200)
Heating Capacity(Min~Max) W 7250(2000~8500)
Cooling Power Input(Min~Max) W 1875(400~3700)
Heating Power Input(Min~Max) W 1945(450~3800)
Cooling Current Input A 8.32
Heating Current Input A 8.63
Rated Input W 3800
Rated Current A 16.86
Air Flow Volume(SH/H/M//L/SL) m3/h 1150/1000/900/800/-
Dehumidifying Volume L/h 2.1
EER W/W 3.57
COP W/W 3.73
SEER W/W 6.30
HSPF W/W /
Application Area m
2
23-34
Indoor
Unit
Indoor Unit Model
1.GWH24QE-K3DNA1G/I 2.GWH24QE-K3DNA5G/I
3.GWH24QE-K3DNB2G/I 4.GWH24QE-K3DNB4G/I
5.GWH24QE-K3DNB6G/I 6.GWH24QE-K3DNB8G/I
7.GWH24QE-K3DNC2G/I
Indoor Unit Product Code
1.CB419N05300 2.CB425N03300
3.CB432N02400 4.CB434N02200
5.CB435N00300 CB435N00302 6.CB438N00700
7.CB439N00300
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ108X830
Cooling Speed(SH/H/M//L/SL) r/min 1250/1000/900/800/Heating Speed(SH/H/M//L/SL) r/min 1250/1000/900/850/-
Fan Motor Power Output W 35
Fan Motor RLA A 0.35
Fan Motor Capacitor μF 3
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (LXDXW) mm 845X25.4X342.9
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M//L/SL) dB (A) 48/45/42/39/-
Sound Power Level(SH/H/M//L/SL) dB (A) 64/59/56/53/-
Dimension (WXHXD) mm 1078X325X246
Dimension of Carton Box (LXWXH) mm 1145X410X335
Dimension of Package(LXWXH) mm 1148X413X350
Net Weight kg 17
Gross Weight kg 20.5
10
Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH24QE-K3DNA1G/O
Outdoor Unit Product Code CB419W05301
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO,LTD.
Compressor Model QXAS-D23zX090A
Compressor Oil FV50S
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 11.50
Compressor Power Input W 2550
Compressor Overload Protector 1NT11L-6233 or HPC115/95/ or KSD115ºC
Throttling Method Electron expansion valve+Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range
ºC -15~43
Heating Operation Ambient Temperature
Range
ºC -20~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 935X38.1X660
Fan Motor Speed rpm 800/300
Fan Motor Power Output W 60
Fan Motor RLA A /
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Ф520
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 60/-/-
Sound Power Level (H/M/L) dB (A) 68/-/-
Dimension(WXHXD) mm 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 53
Gross Weight kg 57.5
Refrigerant R410A
Refrigerant Charge kg 1.9
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 50
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф16
Max Distance Height m 10
Max Distance Length m 25
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.
11
Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
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)
) A ( t n e r r u C
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
) A ( t n e r r u C
220V
230V
240V
220V
230V
240V
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)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
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: 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
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Cooling Heating
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
710
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
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
05710
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 (%)
30
40
50
60
70
80
90
100
110
120
10
750-5-10-15-20
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
12
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
18K
0.9 to 1.1 12 to 14 75 to 37 Super High High
52
24K 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
18K
2.2 to 2.4 70 to 35 2 to 4 Super High High
65
24K 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 m.
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
50
52
54
56
58
60
62
64
68
20 4030 50 60 70 80
90
Noise dB(A)
18K
24K
24K
18K
13
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
W
24K
18K
D
H
79
154
43
206 685 187
Φ70
Φ70
43
104 685 181
140
190
38
Φ55
Φ55
38
Model W
HD
18K970 30
02
24
24K1078 325246
Unit:m
m
14
Technical Information
Service Manual
963
892
700
396
560
341
396
3.2 Outdoor Unit
Unit:mm
15
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:5/8" (16mm)
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:1/2" (12mm)
Indoor unit
Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electric
expand
valve
Strainer
Capillary
Compressor
Accumlator
Indoor unit
Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electric
expand
valve
Strainer
Capillary
Compressor
Accumlator
18K
24K
16
Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
● Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
GWH18QD-K3DNA1G/I(CB419N05600) GWH18QD-K3DNA5G/I(CB425N03400/CB425N03403) GWH18QD-K3DNA6G/I(CB427N04400)
GWH18QD-K3DNB6G/I(CB435N00202) GWH24QE-K3DNA1G/I(CB419N05302) GWH24QE-K3DNA5G/I(CB425N03300/CB425N03303)
GWH24QE-K3DNA6G/I(CB427N04500) GWH24QE-K3DNB4G/I(CB434N02202) GWH24QE-K3DNB6G/I(CB435N00302/CB435N00303)
76(1625
7(03
6(1625
7(03
6(1625
57
5220
78%(
67(33,1*
',63/$<
35,17('&,5&8,7%2$5'
5(&(,9(5$1'
',63/$<%2$5'
&$%/(
&211(&7,1*
6:,1*8'
02725
%/2&.
7(50,1$/
$3
-803
&$3
%8
%.
<(*1
(9$325$725
3(
;7
1
0
287'22581,7
$3
3*
)$102725
0
3*)
',63
',63
%1
<(*1
57
1
&20287
/
%8
%.
%1
/
/
©
©
17
Technical Information
Service Manual
● Outdoor Unit
GWH18QD-K3DNA1G/O(CB419W05600)
GWH18QD-K3DNA1G/I(CB419N05601) GWH18QD-K3DNA2G/I(CB426N01400) GWH18QD-K3DNB6G/I(CB435N00200)
GWH18QD-K3DNB2G/I(CB432N02300) GWH18QD-K3DNB4G/I(CB434N02000) GWH18QD-K3DNB8G/I(CB438N00500)
GWH18QD-K3DNC2G/I(CB439N00200) GWH24QE-K3DNA1G/I(CB419N05300) GWH24QE-K3DNA2G/I(CB426N01500)
GWH24QE-K3DNA5G/I(CB425N03302) GWH24QE-K3DNB2G/I(CB432N02400) GWH24QE-K3DNB4G/I(CB434N02200)
GWH24QE-K3DNB6G/I(CB435N00300) GWH24QE-K3DNB8G/I(CB438N00700) GWH24QE-K3DNC2G/I(CB439N00300)
76(1625
7(03
6(1625
7(03
6(1625
57
5220
78%(
67(33,1*
',63/$<
35,17('&,5&8,7%2$5'
5(&(,9(5$1'
',63/$<%2$5'
&$%/(
&211(&7,1*
6:,1*8'
02725
%/2&.
7(50,1$/
$3
-803
&$3
%8
%.
<(*1
(9$325$725
3(
;7
1
0
287'22581,7
$3
3*
*(1(5$725
&2/'3/$60$
)$102725
0
5' %8
+($/7+1
+($/7+/
3*)
',63
',63
%1
<(*1
57
1
&20287
/
%8
%.
%1
/
/
©
©
$3
7(036(1625
(;+$867
7(036(1625
2875220
28778%(
7(036(1625
%.:+
%8 <(
;
&203
6$7
:+ :+
29&B&203
5'
575757
3(
3(
5'%8 <(
8%89<( :5'
<(*1
7B6(1625
29(5/2$'3527(&725
/
0$*1(7,&
5,1*
//
$&B/
1
&20B,11(5
3(
<(*1
3(
1/
<(*1
%8
3(
1
/
1
%1
%.
%8
;7
,1'22581,7
/
5,1*
%.
%1
%8
%1
%8
<(*1
%/2&.
7(50,1$/
3(
0$*1(7,&
3(
0
:$<
<9
9$/9(
97 97
2)$1:$<
)$102725
<(*1
3(
/
35,17('&,5&8,7%2$5'
85
96
:&7
/
&203
©
©
©
32:(5
Please don't touch any terminal
when the voltage of terminal
P(DC+) and N(DC-) at AP1 is
higher than 30V to prevent the
risk of electric shock !
:$51,1*
%1
18
Technical Information
Service Manual
GWH18QD-K3DNA1G/O(CB419W05601)
GWH24QE-K3DNA1G/O(CB419W05300)
5'
%$1'
+($7(5
%27720
5'
(+
+($7B%
%1
:$51,1*
Please don't touch any terminal
when the voltage of terminal
P(DC+) and N(DC-) at AP1 is
higher than 30V to prevent the
risk of electric shock !
32:(5
©
©
©
&203
/
:&7
96
85
35,17('&,5&8,7%2$5'
/
3(
<(*1
)$102725
:$< 2)$1
9797
9$/9(
<9
:$<
0
3(
0$*1(7,&
3(
7(50,1$/
%/2&.
<(*1
%8
%1
%8
%1
%.
5,1*
/
,1'22581,7
;7
%8
%.
%1
1
/
1
3(
%8
<(*1
/1
3(
<(*1
3(
&20B,11(5
1
$&B/
/ /
5,1*
0$*1(7,&
/
29(5/2$'3527(&725
7B6(1625
<(*1
:5'9<(8%8
<(%8
5'
3(
3(
57 57 57
5'
29&B&203
:+:+
6$7
&203
;
<(%8
:+ %.
7(036(1625
28778%(
2875220
7(036(1625
(;+$867
7(036(1625
$3
$&B/
1
&20,11(5
:$51,1*
Please don't touch any
electronic component or
terminal when the machine is
running , stopping or has
been powered off for less
than 30 minutes to prevent
the risk of electric shock !
$3
7(036(1625
(;+$867
7(036(1625
2875220
28778%(
7(036(1625
%8 <(
;
&203
6$7
:+ :+
29&&203
5'
3(
3(
5'%8 <(
8%89<( :5'
<(*1
29(5/2$'3527(&725
/
0$*1(7,&
5,1*
//
3(
<(*1
3(
Valve
Expansion
Electronic
(.9
3(
0
:$<
<9
9$/9(
97 97
)$ 2)$1:$<
)$102725
<(*1
3(
35,17('&,5&8,7%2$5'
8
9
:
/
&203
©
©
©
76(1625
%1
32:(5
/
/
0$*1(7,&
3(
7(50,1$/
%/2&.
<(*1
%8
%1
%8
%1
%.
5,1*
/
,1'22581,7
;7
%8
%.
%1
1
/
1
3(
%8
<(*1
/1
.
57 57 57
..
:+ %.
19
Technical Information
Service Manual
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
GWH24QE-K3DNA1G/O(CB419W05301)
Please don't touch any
electronic component or
terminal when the machine is
running , stopping or has
been powered off for less
than 30 minutes to prevent
the risk of electric shock !
:$51,1*
&20,11(5
1
$&B/
1/
<(*1
%8
3(
1
/
1
%1
%.
%8
;7
,1'22581,7
/
5,1*
%.
%1
%8
%1
%8
<(*1
%/2&.
7(50,1$/
3(
0$*1(7,&
/
/
32:(5
%1
76(1625
©
©
©
&203
/
:
9
8
35,17('&,5&8,7%2$5'
3(
<(*1
)$102725
:$< 2)$1)$
9797
9$/9(
<9
:$<
0
3(
(.9
(OHFWURQLF
([SDQVLRQ
9DOYH
3(
<(*1
3(
/ /
5,1*
0$*1(7,&
/
29(5/2$'3527(&725
<(*1
:5'9<(8%8
<(%8
5'
3(
3(
5'
29&&203
:+:+
6$7
&203
;
<(%8
7(036(1625
28778%(
2875220
7(036(1625
(;+$867
7(036(1625
$3
+($7%
(+
5'
%27720
+($7(5
%$1'
5'
.
5757 57
..
:+ %.
20
Technical Information
Service Manual
5.2 PCB Printed Diagram
Indoor Unit
● Top view
● Bottom view
No. Name
1 Power supply live wire
2 Communication wire
3 Fuse
4 Indoor fan driven capacitor
5
Neutral wire interface of cold
plasma(only for the model
with this function)
6
Neutral wire interface of
power supply
7 Interface of PG motor
8
Live wire interface of cold
plasma(only for the model
with this function)
9
Interface of up & down swing
motor
10
Interface of indoor fan
feedback
11 Jumper cap
12
Interface of left & right
motor(only for the model
with this function)
13
Interface of temperature
sensor
14 Interface of display
1
2
3
4
5
6 7
8 9
10
11
12
13
14
21
Technical Information
Service Manual
Outdoor Unit
18K
● Top view
● Bottom view
No. Name
1
Terminal of compressor
overload protection
2
Terminal of temperature
sensor
3
Terminal of electronic
expansion valve
4
Terminal of outdoor fan
5
Terminal of 4-way valve
6
Terminal of
compressorelectric heating
7
Terminal of chassis electric
heating
8
Terminal of indoor unit and
outdoor unit communication
9
Power supply live wire
10
Earthing wire
11
Power supply neutral wire
1 2 3 4 5 6
7
8
9
10
11
22
Technical Information
Service Manual
24K
● Top view
● Bottom view
No. Name
1
Power supply neutral
wire
2 Power supply live wire
3
Communication wire
with indoor unit
4
Terminal of outdoor
temperature sensor
5
Terminal of compressor
overload protection
6
Terminal of electronic
expansion valve
7 Terminal of outdoor fan
8
Terminal of compressor
electric heating
9 Terminal of 4-way valve
10
Terminal of compressor
wire
11
Terminal of chassis
electric heating
12
Terminal of low ambient
temperature cooling
temperature sensor
13
Terminal of high
pressure protection
14
Terminal of low pressure
protection
15 Terminal of 2-way valve
16 Earthing wire
1
2
16
3
11
15987654141312
10
23
Technical Information
Service Manual
6. Function and Control
6.1 Remote Controller Introduction
Introduction for icons on display screen
Introduction for buttons on remote controller
1
5
3
6
8
10
12
11
9
7
4
2
1
2
3
4
5
6
7
8
9
10
11
12
ON/OFF button
MODE button
FAN button
SWING button
TURBO button
TEMP button
I FEEL button
LIGHT button
CLOCK button
TIMER ON / TIMER OFF
button
SLEEP button
▲/ button
▲
Send signal
Turbo mode
8℃ heating function
Set temperature
Set time
TIMER ON / TIMER OFF
Child lock
Up & down swing
Set fan speed
Light
Temp. display type
:Set temp.
:Outdoor ambient temp.
:Indoor ambient temp.
Sleep mode
Clock
Heat mode
Fan mode
Dry mode
Cool mode
Auto mode
Operation mode
I feel
Note:
● After putting through the power, the air conditioner will give out a sound. Operation indictor " " is ON (red indicator). After that,
you can operate the air conditioner by using remote controller.
●
Under on status, pressing the button on the remote controller, the signal icon " "
on the display of remote controller will blink once
and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.
● Under off status, set temperature and clock icon will be displayed on the display
of remote controller (If timer on, timer off and light functions are set, the corre- sponding icons will be displayed on the display of
remote controller at the same
time); Under on status, the display will show the corresponding set function icons.
24
Technical Information
Service Manual
1. ON/OFF button
2. MODE button
3. FAN button
Press this button can turn on or turn off the air conditioner. After turning on the air conditioner, operation indicator " "on indoor unit’s
display is ON (green indicator. The colour is different for different models), and indoor unit will give out a sound.
● When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature can’t be adjusted and
will not be displayed as well. Press "FAN" button can adjust fan speed. Press "SWING" button can adjust fan blowing angle.
● After selecting cool mode, air conditioner will operate under cool mode. Cool indicator " "on indoor unit is ON. Press "▲" or " ▲ " button
to adjust set temperature. Press "FAN" button to adjust fan speed. Press "SWING" button to adjust fan blowing angle.
● When selecting dry mode, the air conditioner operates at low speed under dry mode. Dry indicator " " on indoor unit is ON. Under dry
mode, fan speed can’t be adjusted. Press "SWING" button to adjust fan blowing angle.
● When selecting fan mode, the air conditioner will only blow fan, no cooling and no heating. All indicators are OFF. Press "FAN" button to
adjust fan speed. Press "SWING" button to adjust fan blowing angle.
● When selecting heating mode, the air conditioner operates under heat mode. Heat indicator " " on indoor unit is ON. Press "▲" or " ▲ "
button to adjust set temperature. Press "FAN" button to adjust fan speed. Press "SWING" button to adjust fan blowing angle. (Cooling only
unit won’t receive heating mode signal. If setting heat mode with remote controller, press ON/OFF button can’t start up the unit).
Note:
● For preventing cold air, after starting up heating mode, indoor unit will delay 1~5 minutes to blow air (actual delay time is depend on indoor
ambient temperature).
● Set temperature range from remote controller: 16~30℃; Fan speed: auto, low speed, medium speed, high speed.
5. TURBO button
Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode. " " icon is displayed on remote controller.
Press this button again to exit turbo function and " " icon will disappear.
6. ▲/▲ button
● Press "▲" or "▲" button once increase or decrease set temperature 1℃. Holding "▲" or "▲" button, 2s later, set temperature on remote
controller will change quickly. On releasing button after setting is nished, temperature indicator on indoor unit will change accordingly.
(Temperature can’t be adjusted under auto mode)
● When setting TIMER ON, TIMER OFF or CLOCK, press "▲" or "▲" button to adjust time. (Refer to CLOCK, TIMER ON, TIMER OFF
buttons) When setting TIMER ON, TIMER OFF or CLOCK, press "▲" or "▲" button to adjust time. (Refer to CLOCK, TIMER ON, TIMER
OFF buttons)
Caution:
● Under AUTO speed, air conditioner will select proper fan speed automatically according to ex-factory setting.
● Fan speed under dry mode is low speed.
Pressing this button can set fan speed circularly as: auto (AUTO), low( ) ,medium( ), high( ).
Press this button to select your required operation mode.
AUTO COOL FA N
DRY HEAT
Auto
4. SWING button
Press this button can select up&down swing angle. Fan blow angle can be selected circularly as below:
● When selecting " ", air conditioner is blowing fan automatically. Horizontal louver will automatically swing up & down at maximum angle.
● When selecting " 、 、 、 、 ", air conditioner is blowing fan at xed position. Horizontal louver will stop at the xed position.
● When selecting " 、 、 " , air conditioner is blowing fan at xed angle. Horizontal louver will send air at the xed angle.
● Hold " "button above 2s to set your required swing angle. When reaching your required angle, release the button.
Note:
● " 、 、 " may not be available. When air conditioner receives this signal, the air conditioner will blow fan automatically.
no display
(horizontal louvers stops at current position)
25
Technical Information
Service Manual
7. SLEEP button
9. I FEEL button
10. LIGHT button
11. CLOCK button
12. TIMER ON / TIMER OFF button
Under COOL, HEAT or DRY mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this button
again to cancel sleep function and " " icon will disappear.
Press this button to start I FEEL function and " " will be displayed on the remote controller. After this function is set, the remote controller
will send the detected ambient temperature to the controller and the unit will automatically adjust the indoor temperature according to the
detected temperature. Press this button again to close I FEEL function and " " will disappear.
● Please put the remote controller near user when this function is set. Do not put the remote controller near the object of high temperature
or low temperature in order to avoid detecting inaccurate ambient temperature.
Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Press this button again to turn on
display light. " " icon is displayed.
Press this button to set clock time. " " icon on remote controller will blink. Press "▲" or "▲" button within 5s to set clock time. Each
pressing of "▲" or "▲" button, clock time will increase or decrease 1 minute. If hold "▲" or "▲" button, 2s later, time will change quickly.
Release this button when reaching your required time. Press "CLOCK" button to conrm the time. " " icon stops blinking.
Note:
● Clock time adopts 24-hour mode.
● The interval between two operation can’t exceeds 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER
OFF is the same.
● TIMER ON button
"TIMER ON" button can set the time for timer on. After pressing this button, " " icon disappears and the word "ON" on remote controller
blinks. Press "▲" or "▲"button to adjust TIMER ON setting. After each pressing "▲" or "▲" button, TIMER ON setting will increase or
decrease 1min. Hold "▲" or "▲" button, 2s later, the time will change quickly until reaching your required time. Press "TIMER ON" to
conrm it. The word "ON" will stop blinking. " " icon resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is
started up, press "TIMER ON" button to cancel it.
● TIMER OFF button
"TIMER OFF" button can set the time for timer off. After pressing this button," " icon disappears and the word "OFF" on remote
controller blinks. Press "▲" or "▲" button to adjust TIMER OFF setting. After each pressing "▲" or "▲" button,
TIMER OFF setting will increase or decrease 1min. Hold "▲" or "▲" button, 2s later, the time will change quickly until reaching your
required time. Press "TIMER OFF" word "OFF" will stop blinking. " " icon resumes displaying. Cancel TIMER OFF. Under the condition
that TIMER OFF is started up, press "TIMER OFF" button to cancel it.
Note:
● Under on and off status, you can set TIMER OFF or TIMER ON simultaneously.
● Before setting TIMER ON or TIMER OFF, please adjust the clock time.
● After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off
according to setting time. ON/OFF button has no effect on setting. If you don’t need this function, please use remote controller to cancel it.
8. TEMP button
By pressing this button, you can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor unit’s
display. The setting on remote controlleris selected circularly as below:
● When selecting " " or no display with remote controller, temperature indicator on indoor unit displays set temperature.
● When selecting " " with remote controller, temperature indicator on indoor unit displays indoor ambient temperature.
● When selecting " " with remote controller, temperature indicator on indoor unit displays outdoor ambient temperature.
Note:
●
Outdoor temperature display is not available for some models. At that time, indoor
unit receives " "signal, while it displays indoor set
temperature.
● It’s defaulted to display set temperature when turning on the unit.There is no display in the remote controller.
● Only for the models whose indoor unit has dual-8 display.
● When selecting displaying of indoor or outdoor ambient temperature, indoor temperature indicator displays corresponding temperature and
automatically turn to display set temperature after three or ve seconds.
no display
26
Technical Information
Service Manual
Function introduction for combination buttons
Operation guide
Replacement of batteries in remote controller
1. Energy-saving function
1. After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner.
2. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT.
3. Press "▲" or "▲" button to set your required temperature. (Temperature can’t be adjusted under auto mode).
4. Press "FAN" button to set your required fan speed: auto, low, medium and high speed.
5. Press "SWING" button to select fan blowing angle.
● During operation, point the remote control signal sender at the receiving window on indoor unit.
● The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them.
● Signal may be interfered easily in the room where there is uorescent lamp or wireless telephone; remote controller should be close to
indoor unit during operation.
● Replace new batteries of the same model when replacement is required.
● When you don’t use remote controller for a long time, please take out the batteries.
● If the display on remote controller is fuzzy or there’s no display, please replace batteries.
2. 8 ℃ heating function
3. Child lock function
4. Temperature display switchover function
Under cooling mode, press "TEMP" and " CLOCK" buttons simultaneously to start up or turn off energy-saving function. When energy-saving
function is started up, "SE" will be shown on remote controller, and air conditioner will adjust the set temperature automatically according to
ex-factory setting to reach to the best energy-saving effect. Press "TEMP" and "CLOCK"buttons simultaneously again to exit energy-saving
function.
Note:
● Under energy-saving function, fan speed is defaulted at auto speed and it can’t be adjusted.
●
Under energy-saving function, set temperature can’t be adjusted. Press "TURBO"
button and the remote controller won’t send signal.
● Sleep function and energy-saving function can’t operate at the same time. If energy-saving function has been set under cooling mode,
press sleep button will cancel energy-saving function. If sleep function has been set under cooling mode, start up the energy-saving
function will cancel sleep function.
Under heating mode, press "TEMP" and "CLOCK" buttons simultaneously to start
up or turn off 8℃ heating function. When this function is
started up, " " and "8℃" will be shown on remote controller, and the air conditioner keep the heating status
at 8℃. Press "TEMP" and
"CLOCK" buttons simultaneously again to exit 8℃heating function.
Note:
● Under 8℃ heating function, fan speed is defaulted at auto speed and it can’t be adjusted.
● Under 8℃ heating function, set temperature can’t be adjusted. Press "TURBO" button and the remote controller won’t send signal.
● Sleep function and 8℃ heating function can’t operate at the same time. If 8℃heating function has been set under cooling mode, press
sleep button will cancel 8℃ heating function. If sleep function has been set under cooling mode, start up the 8℃ heating function will
cancel sleep function.
● Under ℉ temperature display, the remote controller will display 46℉ heating.
Press "▲" and "▲" simultaneously to turn on or turn off child lock function. When child lock function is on, " " icon is displayed on remote
controller. If you operate the remote controller, the " " icon will blink three times without sending signal to the unit.
Under OFF status, press "▲" and "MODE" buttons simultaneously to switch temperature display between ℃ and ℉.
1. Press the back side of remote controller marked with " ", as shown in the g, and then push
out
the cover of battery box along the arrow direction.
2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar
are correct.
3. Reinstall the cover of battery box.
Note:
signal sender battery
Cover of battery box
remove
reinstall
27
Technical Information
Service Manual
6.2 Brief Description of Modes and Functions
1.Basic function of system
(1)Cooling mode
(1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30OC.
(2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status.
(2)Drying mode
(1) Under this mode, fan operates at low speed and swing operates at setting status. Temperature setting range is 16~30OC.
(2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status.
(3) Protection status is same as that under cooling mode.
(4) Sleep function is not available for drying mode.
(3)Heating mode
(1) Under this mode, Temperature setting range is 16~30OC.
(2) Working condition and process for heating mode:
When turn on the unit under heating mode, indoor unit enters into cold air prevention status. When the unit is stopped or at OFF status,
and indoor unit has been started up just now, the unit enters into residual heat-blowing status.
(4)Working method for AUTO mode:
1.Working condition and process for AUTO mode:
a.Under AUTO mode, standard heating Tpreset=20OC and standard cooling Tpreset=25OC. The unit will switch mode automatically
according to ambient temperature.
2.Protection function
a. During cooling operation, protection function is same as that under cooling mode.
b. During heating operation, protection function is same as that under heating mode.
3. Display: Set temperature is the set value under each condition. Ambient temperature is (Tamb.-Tcompensation) for heat pump unit
and Tamb. for cooling only unit.
4. If there’s I feel function, Tcompensation is 0. Others are same as above.
(5)Fan mode
Under this mode, indoor fan operates at set fan speed. Compressor, outdoor fan, 4-way valve and electric heating tube stop operation.
Indoor fan can select to operate at high, medium, low or auto fan speed. Temperature setting range is 16~30OC.
2. Other control
(1) Buzzer
Upon energization or availably operating the unit or remote controller, the buzzer will give out a beep.
(2) Auto button
If press this auto button when turning off the unit, the complete unit will operate at auto mode. Indoor fan operates at auto fan speed
and swing function is turned on. Press this auto button at ON status to turn off the unit.
(3) Auto fan
Heating mode: During auto heating mode or normal heating ode, auto fan speed will adjust the fan speed automatically according to
ambient temperature and set temperature.
(4) Sleep
After setting sleep function for a period of time, system will adjust set temperature automatically.
(5) Timer function:
General timer and clock timer functions are compatible by equipping remote controller with different functions.
(6) Memory function
memorize compensation temperature, off-peak energization value.
Memory content: mode, up&down swing, light, set temperature, set fan speed, general timer (clock timer can’t be memorized).
After power recovery, the unit will be turned on automatically according to memory content.
(7) Health function
During operation of indoor fan, set health function by remote controller. Turn off the unit will also turn off health function.
Turn on the unit by pressing auto button, and the health is defaulted ON.
Loading...