Gree GUHN18NK3HO, CF021W2090, GUHN24NK3HO, CF021W2100, GUHN30NK3HO SERVICE MANUAL
...
U-MATCH AIR CONDITIONERS
SERVICE MANUAL
T1/R410A/50Hz
(GC201608 -
І
)
CONTENTS
PRODUCT ......................................................................................................................................................... 2
1 MODELS LIST ............................................................................................................................................. 2
1.1 Outdoor Unit ......................................................................................................................................... 2
1.2 Indoor Unit ............................................................................................................................................ 3
2 NOMENCLATURE ...................................................................................................................................... 4
2.1 Outdoor Unit ......................................................................................................................................... 4
2.2 Intdoor Unit ........................................................................................................................................... 4
3 PRODUCT DATA ......................................................................................................................................... 5
3.1 Product Data of Indoor Unit ................................................................................................................. 5
3.2 Operation Range ................................................................................................................................ 13
3.3 Electrical Data .................................................................................................................................... 13
4 PIPING DIAGRAM .................................................................................................................................... 16
CONTROL ....................................................................................................................................................... 18
1 OPERATION FLOWCHART ...................................................................................................................... 18
1.1 Cooling/Dry Operation ....................................................................................................................... 18
1.2 Heating Operation .............................................................................................................................. 19
2 WIRELESS REMOTE CONTROLLER ...................................................................................................... 20
3 WIRED CONTROLLER ............................................................................................................................. 22
3.1 Display View ....................................................................................................................................... 22
3.2 Operation View ................................................................................................................................... 24
4 OPERATION INSTRUCTION OF SPECIAL FUNCTIONS ........................................................................ 27
5 INSTALLATION OF WIRED CONTROLLER ............................................................................................. 27
5.1 Standard Accessories......................................................................................................................... 27
5.2 Installation Position and Requirement ............................................................................................... 27
5.3 Installation of Wired Controller ........................................................................................................... 28
5.4 Removal of Wired Controller .............................................................................................................. 29
6 TROUBLESHOOTING .............................................................................................................................. 29
7 CENTRALIZED CONTROLLER ................................................................................................................ 30
7.1 Smart Zone Controller ........................................................................................................................ 30
7.2 Additional Special Functions .............................................................................................................. 33
INSTALLATION ................................................................................................................................................ 39
1 INDOOR UNIT INSTALLATION ................................................................................................................. 39
1.1 Installation of Duct Type ..................................................................................................................... 39
1.2 Installation of Cassette Type .............................................................................................................. 49
1.3 Installation of Floor Ceiling Type ........................................................................................................ 58
2 OUTDOOR UNIT INSTALLATION ............................................................................................................. 64
2.1 Before Installation .............................................................................................................................. 64
2.2 Installation Site ................................................................................................................................... 64
2.3 Caution for Installation ....................................................................................................................... 65
2.4 Dimension Data .................................................................................................................................. 65
3 REFRIGERATION PIPING WORK ............................................................................................................ 66
3.1 Refrigeration Piping Work Procedures and Caution in Connecting ................................................... 66
3.2 Specification of Connection Pipe ....................................................................................................... 71
4 ELECTRIC WIRING WORK ...................................................................................................................... 72
4.1 Wiring Precautions ............................................................................................................................. 72
4.2 Electrical Wiring ................................................................................................................................. 72
MAINTENANCE ............................................................................................................................................... 81
1 TROUBLE TABLE ..................................................................................................................................... 81
1.1 Main Control Malfunction ................................................................................................................... 81
2 FLOW CHART OF TROUBLESHOOTING ................................................................................................ 83
2.1 Troubleshooting Flow Chart of Main Control Malfunction .................................................................. 83
2.2 Interface ............................................................................................................................................. 89
3 WIRING DIADRAM ................................................................................................................................... 94
3.1 Outdoor unit ....................................................................................................................................... 94
3.2 Indoor unit .......................................................................................................................................... 96
4. DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS ........................................................ 99
4.1 Outdoor Unit ....................................................................................................................................... 99
4.2 Indoor Unit ........................................................................................................................................ 104
5 EXPLODED VIEWS AND SPARE PART LIST.......................................................................................... 114
5.1 Outdoor Unit ...................................................................................................................................... 114
5.2 Indoor Unit ........................................................................................................................................ 126
U-Match Series Service Manual
PRODUCT
1
PRODUCT
Model Name
Product Code
Power Supply
(V, Ph, Hz)
Appearance
GUHN18NK3HO
CF021W2090
220-240V~ 50Hz
GUHN24NK3HO
CF021W2100
220-240V~ 50Hz
GUHN30NK3HO
CF021W2110
220-240V~ 50Hz
GUHN36NM3HO
CF021W2080
380-415V 3N~ 50Hz
GUHN42NM3HO
CF021W2070
380-415V 3N~ 50Hz
GUHN48NM3HO
CF021W2060
380-415V 3N 50Hz
GUHN60NM3HO
CF021W2050
380-415V 3N~ 50Hz
1 MODELS LIST
1.1 Outdoor Unit
U-Match Series Service Manual
2
U-Match Series Service Manual
Type
Model Name
Product Code
Nominal Capacity
Cooling/Heating
(kW)
Power
Supply
(V, Ph, Hz)
Appearance
Duct
Type
GFH18K3HI
CF022N0830
5.0/5.4
220-240V~ 50Hz
GFH18K3H1I
CF022N0840
5.0/5.4
220-240V~ 50Hz
GFH24K3HI
CF022N0880
7.0/7.4
220-240V~ 50Hz
GFH24K3H1I
CF022N0870
7.0/7.4
GFH30K3HI
CF022N0850
8.3/8.8
GFH30K3H1I
CF022N0860
8.3/8.8
GFH36K3HI
CF022N0820
10.0/11.5
220-240V~ 50Hz
GFH36K3H1I
CF022N0810
10.0/11.5
GFH42K3HI
CF022N0790
12.0/13.5
GFH42K3H1I
CF022N0800
12.0/13.5
GFH48K3HI
CF022N0770
14.1/15.2
220-240V~ 50Hz
GFH48K3H1I
CF022N0780
14.1/15.2
GFH60K3HI
CF022N0750
16.0/18.0
GFH60K3H1I
CF022N0760
16.0/18.0
Cassette
Type
GKH18K3HI
ET010N1090
5.0/5.4
220-240V~ 50Hz
GKH24K3HI
ET010N1110
7.0/7.6
GKH30K3HI
ET010N1100
8.5/9.0
GKH36K3HI
ET010N1080
10.0/11.5
GKH42K3HI
ET010N1070
12.0/13.5
GKH48K3HI
ET010N1060
14.1/15.0
220-240V~50Hz
GKH60K3HI
ET010N1050
15.0/16.8
Floor-ceiling
Type
GTH18K3HI
ED020N1440
5.5/5.7
220-240V~50Hz
GTH24K3HI
ED020N1450
7.2/8.2
GTH30K3HI
ED020N1460
8.5/9.8
GTH36K3HI
ED020N1420
10.6/11.8
GTH42K3HI
ED020N1470
12.0/13.2
GTH48K3HI
ED020N1430
14.2/16.0
220-240V~50Hz
GTH60K3HI
ED020N1480
15.8/18.2
1.2 Indoor Unit
NOTES:
The universal outdoor units means that the customer can choose any of three kind of indoor unit to
match the outdoor unit without any change with it.
Note:1 Ton =12000Btu/h = 3.517kW
3
2 NOMENCLATURE
G U H N 18 N K 3 H
O
1 2 3 4 5 6 7 8 9
10
NO.
Description
Options
1
Gree Electric Appliances Inc
Capital Letter :G 2 Unit Type
U=U-Match Outdoor Unit
3
Product Type
C=Cool Only
H=Heat Pump without Aux Electric Heaters
4
Compressor Power Supply
Type Code
N=Constant Frequency
D=DC Inverter
A=AC Inverter
5
Nominal Cooling Capacity
Nominal Cooling Capacity
=Number×1000Btu/h
6
Climate Type
N=Climate T1 Condition
T= Climate T3 Condition
7
Power Supply Code
K= 220-240V~ 50Hz
M=380-415V 3N~ 50Hz
8
Refrigerant
1 =R22; 2=R407C; 3=R410A
9
Design Code
Design Code: A, B, C, D……
Design Change Code=0 (default)
1,2,3......
10
Unit Code
O=Outdoor unit
G F H
18 T K 3 H
I
1 2 3 4 5 6 7 8 9
NO.
Description
Options
1
Gree Electric Appliances Inc
Capital Letter :G
2
Unit Type
F=Duct Type; K=Cassette Type; T= Floor-ceiling Type
3
Product Type
C=Cool Only
H=Heat Pump without Aux Electric Heaters
4
Nominal Cooling Capacity
Nominal Cooling Capacity
=Number×1000Btu/h
5
Climate Type
Omit=Climate T1 Condition
T= Climate T3 Condition
6
Power Supply Code
K= 220-240V~ 50Hz
M=380-415V 3N~ 50Hz
7
Refrigerant
1 =R22; 2=R407C; 3=R410A
8
Design Code
Design Code: A, B, C, D……
Design Change Code=0 (default)
1,2,3......
9
Unit Code
I=indoor unite
2.1 Outdoor Unit
U-Match Series Service Manual
2.2 Intdoor Unit
4
U-Match Series Service Manual
Model
Indoor unit
GFH18K3HI
GFH18K3H1I
GFH24K3HI
GFH24K3H1I
Product Code
CF022N0830
CF022N0840
CF022N0880
CF022N0870
Outdoor unit
GUHN18NK3HO
GUHN18NK3HO
GUHN24NK3HO
GUHN24NK3HO
Product Code
CF021W2090
CF021W2090
CF021W2100
CF021W2100
Capacity
Cooling Capacity
kW
5.0
5.0
7.0
7.0
Heating Capacity
kW
5.4
5.4
7.4
7.4
Power Input
Cooling
kW
2.0
2.0
2.5
2.5
Heating
kW
1.9
1.9
2.3
2.3
EER / COP
W/W
2.5/2.8
2.5/2.8
2.8/3.2
2.8/3.2
Indoor Unit
GFH18K3HI
GFH18K3H1I
GFH24K3HI
GFH24K3H1I
Power Supply - 220-240V~ 50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
direct
Direct
Motor Output
kW
0.06×1
0.06×1
0.09×1
0.09×1
Air Flow
m3/h
720
720
1260
1260
Rated Ext. Static Pressure
Pa
25
25
37
37
Ext. Static Pressure Range
Pa
0~30
0~30
0~30
0~30
Sound Pressure Level(SH/H/M/L)
dB(A)
36/33/30/29
36/33/30/29
43/38/34/32
43/38/34/32
Air Filter - Standard washable synthetic
Drain
mm
Φ30×1.5
Φ26×3.0
Φ20×1.2
Φ26×3.0
Outline Dimensions (W×H×D)
mm
1015×720×275
1015×720×275
1260×555×270
1260×555×270
Net Weight
kg
31
32
33
33
Outdoor Unit
GUHN18NK3HO
GUHN18NK3HO
GUHN24NK3HO
GUHN24NK3HO
Power Supply - 220-240V~ 50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.085×1
0.085×1
0.085×1
0.085×1
Fan Motor Speed
rpm
770/640
770/640
770/640
770/640
Compressor
Type
-
Rotary
Rotary
Rotary
Rotary
Power Input
W
1930
1930
2460
2460
Refrigerant
Control - Electronic Expansion Valve
Charge
kg
1.3
1.3
1.5
1.5
Outline Dimensions (W×H×D)
mm
955×395×700
955×395×700
955×395×700
955×395×700
Net Weight
kg
53
53
61
61
Piping
Connections
Liquid
Inch
Φ1/4
Φ1/4
Φ3/8
Φ3/8
Gas
Inch
Φ1/2
Φ1/2
Φ5/8
Φ5/8
Max. Length
m
25
25
30
30
Max. Height
m
15
15
15
15
3 PRODUCT DATA
3.1 Product Data of Indoor Unit
3.1.1 Duct Type
5
U-Match Series Service Manual
Model
Indoor unit
GFH30K3HI
GFH30K3H1I
GFH36K3HI
GFH36K3H1I
Product Code
CF022N0850
CF022N0860
CF022N0820
CF022N0810
Outdoor unit
GUHN30NK3HO
GUHN30NK3HO
GUHN36NM3HO
GUHN36NM3HO
Product Code
CF021W2110
CF021W2110
CF021W2080
CF021W2080
Capacity
Cooling Capacity
kW
8.3
8.3
10.0
10.0
Heating Capacity
kW
8.8
8.8
11.5
11.5
Power Input
Cooling
kW
2.8
2.8
3.6
3.6
Heating
kW
2.7
2.7
3.3
3.3
EER / COP
W/W
2.9/3.2
2.9/3.2
2.7/3.4
2.7/3.4
Indoor Unit
GFH30K3HI
GFH30K3H1I
GFH36K3HI
GFH36K3H1I
Power Supply - 220-240V~ 50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
direct
Direct
Motor Output
kW
0.15×1
0.15×1
0.20×1
0.20×1
Air Flow
m3/h
1400
1400
2100
2100
Rated Ext. Static Pressure
Pa
37
37
37
37
Ext. Static Pressure Range
Pa
0~50
0~50
0~75
0~75
Sound Pressure Level(SH/H/M/L)
dB(A)
48/46/45/44
48/46/45/44
51/48/46/44
51/48/46/44
Air Filter - Standard washable synthetic
Drain Piping
mm
Φ20×1.2
Φ26×3.0
Φ20×1.2
Φ26×3.0
Outline Dimensions (W×H×D)
mm
1260×555×270
1260×555×270
1230×790×290
1230×790×290
Net Weight
kg
34
35
46
47
Outdoor Unit
GUHN30NK3HO
GUHN30NK3HO
GUHN36NM3HO
GUHN36NM3HO
Power Supply
-
220-240V~ 50Hz
380-415V 3N~ 50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.100×1
0.100×1
0.100×1
0.100×1
Fan Motor Speed
rpm
900/665
900/665
900/665
900/665
Compressor
Type
-
Rotary
Rotary
Rotary
Rotary
Power Input
W
2760
2760
3320
3320
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
1.8
1.8
2.2
2.2
Outline Dimensions (W×H×D)
mm
980×425×790
980×425×790
980×425×790
980×425×790
Net Weight
kg
69
69
69
69
Piping
Connections
Liquid
Inch
Φ3/8
Φ3/8
Φ3/8
Φ3/8
Gas
Inch
Φ5/8
Φ5/8
Φ3/4
Φ3/4
Max. Length
m
30
30
30
30
Max. Height
m
15
15
15
15
6
U-Match Series Service Manual
Model
Indoor unit
GFH42K3HI
GFH42K3H1I
GFH48K3HI
GFH48K3H1I
Product Code
CF022N0790
CF022N0800
CF022N0770
CF022N0780
Outdoor unit
GUHN42NM3HO
GUHN42NM3HO
GUHN48NM3HO
GUHN48NM3HO
Product Code
CF021W2070
CF021W2070
CF021W2060
CF021W2060
Capacity
Cooling Capacity
kW
12.0
12.0
14.1
14.1
Heating Capacity
kW
13.5
13.5
15.2
15.2
Power Input
Cooling
kW
4.4
4.4
5.0
5.0
Heating
kW
4.1
4.1
4.7
4.7
EER / COP
W/W
2.7/3.3
2.7/3.3
2.8/3.2
2.8/3.2
Indoor Unit
GFH42K3HI
GFH42K3H1I
GFH48K3HI
GFH48K3H1I
Power Supply - 220-240V~ 50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
direct
Direct
Motor Output
kW
0.20×1
0.20×1
0.50×1
0.50×1
Air Flow
m3/h
2100
2100
2300
2300
Rated Ext. Static Pressure
Pa
37
37
50
50
Ext. Static Pressure Range
Pa
0~75
0~75
0~100
0~100
Sound Pressure Level(SH/H/M/L)
dB(A)
51/48/46/44
51/48/46/44
53/52/50/50
53/52/50/50
Air Filter Standard washable synthetic
Drain Piping
mm
Φ20×1.2
Φ26×3.0
Φ20×1.2
Φ26×3.0
Outline Dimensions (W×H×D)
mm
1230×790×290
1230×790×290
1230×790×290
1230×790×290
Net Weight
kg
46
47
53
53
Outdoor Unit
GUHN42NM3HO
GUHN42NM3HO
GUHN48NM3HO
GUHN48NM3HO
Power Supply - 380-415V 3N~ 50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.140×1
0.140×1
0.140×1
0.140×1
Fan Motor Speed
rpm
830/630
830/630
830/630
830/630
Compressor
Type
-
Rotary
Rotary
Rotary
Rotary
Power Input
W
4130
4130
4750
4750
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
3.3
3.3
3.7
3.7
Outline Dimensions (W×H×D)
mm
1120×440×1100
1120×440×1100
1120×440×1100
1120×440×1100
Net Weight
kg
100
100
103
103
Piping
Connections
Liquid
Inch
Φ1/2
Φ1/2
Φ1/2
Φ1/2
Gas
Inch
Φ3/4
Φ3/4
Φ3/4
Φ3/4
Max. Length
m
50
50
50
50
Max. Height
m
30
30
30
30
7
U-Match Series Service Manual
Model
Indoor unit
GFH60K3HI
GFH60K3H1I
Product Code
CF022N0750
CF022N0760
Outdoor unit
GUHN60NM3HO
GUHN60NM3HO
Product Code
CF021W2050
CF021W2050
Capacity
Cooling Capacity
kW
16.0
16.0
Heating Capacity
kW
18.0
18.0
Power Input
Cooling
kW
5.6
5.6
Heating
kW
5.5
5.5
EER / COP
W/W
2.8/3.2
2.8/3.2
Indoor Unit
GFH60K3HI
GFH60K3H1I
Power Supply - 220-240V~ 50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Fan
Drive - direct
Direct
Motor Output
kW
0.50×1
0.50×1
Air Flow
m3/h
2500
2500
Rated Ext. Static Pressure
Pa
50
50
Ext. Static Pressure Range
Pa
0~100
0~100
Sound Pressure Level(SH/H/M/L)
dB(A)
56/52/49/49
56/52/49/49
Air Filter - Standard washable synthetic
Drain Piping
mm
Φ30×1.5
Φ26×3.0
Outline Dimensions (W×H×D)
mm
1235×830×330
1235×830×330
Net Weight
kg
56
56
Outdoor Unit
GUHN60NM3HO
GUHN60NM3HO
Power Supply - 380-415V 3N~ 50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.070×2
0.070×2
Fan Motor Speed
rpm
880/500
880/500
Compressor
Type - Rotary
Rotary
Power Input W 5200
5200
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
4.1
4.1
Outline Dimensions (W×H×D)
mm
980×410×1350
980×410×1350
Net Weight
kg
118
118
Piping
Connections
Liquid
Inch
Φ1/2
Φ1/2
Gas
Inch
Φ3/4
Φ3/4
Max. Length m 50
50
Max. Height m 30
30
8
U-Match Series Service Manual
Model
Indoor unit
GKH18K3HI
GKH24K3HI
GKH30K3HI
GKH36K3HI
Product Code
ET010N1090
ET010N1110
ET010N1100
ET010N1080
Outdoor unit
GUHN18NK3HO
GUHN24NK3HO
GUHN30NK3HO
GUHN36NM3HO
Product Code
CF021W2090
CF021W2100
CF021W2110
CF021W2080
Capacity
Cooling Capacity
kW
5.0
7.0
8.5
10.0
Heating Capacity
kW
5.4
7.6
9.0
11.5
Power Input
Cooling
kW
2.0
2.5
2.7
3.5
Heating
kW
1.9
2.3
2.6
3.3
EER / COP
W/W
2.5/2.8
2.8/3.3
3.1/3.4
2.8/3.4
Indoor Unit
GKH18K3HI
GKH24K3HI
GKH30K3HI
GKH36K3HI
Power Supply - 220-240V~ 50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
direct
Direct
Motor Output
kW
0.03×1
0.04×1
0.04×1
0.06×1
Air Flow
m3/h
720
1450
1500
1650
Sound Pressure Level(SH/H/M/L)
dB(A)
50/49/47/46
49/48/47/46
51/50/49/48
52/47/46/43
Air Filter - Standard washable synthetic
Drain Piping
mm
Φ26×3.0
Φ33×4.0
Φ33×4.0
Φ33×4.0
Outline Dimensions (W×H×D)
mm
665×595×240
840×840×240
840×840×240
840×840×320
Net Weight
kg
20
27
27
32
Outdoor Unit
GUHN18NK3HO
GUHN24NK3HO
GUHN30NK3HO
GUHN36NM3HO
Power Supply
-
220-240V~ 50Hz
380-415V 3N~
50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.085×1
0.085×1
0.100×1
0.100×1
Fan Motor Speed
rpm
770/640
770/640
900/665
900/665
Compressor
Type
-
Rotary
Rotary
Rotary
Rotary
Power Input
W
1930
2460
2760
3320
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
1.3
1.5
1.8
2.2
Outline Dimensions (W×H×D)
mm
955×395×700
955×395×700
980×425×790
980×425×790
Net Weight
kg
53
61
69
69
Piping
Connections
Liquid
Inch
Φ1/4
Φ3/8
Φ3/8
Φ3/8
Gas
Inch
Φ1/2
Φ5/8
Φ5/8
Φ3/4
Max. Length
m
25
25
30
30
Max. Height
m
15
15
15
15
3.1.2 Cassette Type
9
U-Match Series Service Manual
Model
Indoor unit
GKH42K3HI
GKH48K3HI
GKH60K3HI
Product Code
ET010N1070
ET010N1060
ET010N1050
Outdoor unit
GUHN42NM3HO
GUHN48NM3HO
GUHN60NM3HO
Product Code
CF021W2070
CF021W2060
CF021W2050
Capacity
Cooling Capacity
kW
12.0
14.1
15.0
Heating Capacity
kW
13.5
15.0
16.8
Power Input
Cooling
kW
4.2
4.8
5.3
Heating
kW
4.0
4.9
5.2
EER / COP
W/W
2.8/3.3
2.9/3.0
2.8/3.2
Indoor Unit
GKH42K3HI
GKH48K3HI
GKH60K3HI
Power Supply - 220-240V~50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
Direct
Motor Output
kW
0.06×1
0.06×1
0.09×1
Air Flow
m3/h
1650
1650
1800
Sound Pressure Level(SH/H/M/L)
dB(A)
52/47/46/43
52/47/46/43
53/51/49/47
Air Filter - Standard washable synthetic
Drain Piping
mm
Φ33×4.0
Φ33×4.0
Φ32×2.0
Outline Dimensions (W×H×D)
mm
840×840×320
840×840×320
840×840×290
Net Weight
kg
32
33
37
Outdoor Unit
GUHN42NM3HO
GUHN48NM3HO
GUHN60NM3HO
Power Supply - 380-415V 3N~ 50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.140×1
0.140×1
0.070×2
Fan Motor Speed
rpm
830/630
830/630
880/500
Compressor
Type
-
Rotary
Rotary
Rotary
Power Input
W
4130
4750
5200
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
3.3
3.7
4.1
Outline Dimensions (W×H×D)
mm
1120×440×1100
1120×440×1100
980×410×1350
Net Weight
kg
100
103
118
Piping
Connections
Liquid
Inch
Φ1/2
Φ1/2
Φ1/2
Gas
Inch
Φ3/4
Φ3/4
Φ3/4
Max. Length
m
50
50
50
Max. Height
m
30
30
30
10
U-Match Series Service Manual
Model
Indoor unit
GTH18K3HI
GTH24K3HI
GTH30K3HI
GTH36K3HI
Product Code
ED020N1440
ED020N1450
ED020N1460
ED020N1420
Outdoor unit
GUHN18NK3HO
GUHN24NK3HO
GUHN30NK3HO
GUHN36NM3HO
Product Code
CF021W2090
CF021W2100
CF021W2110
CF021W2080
Capacity
Cooling Capacity
kW
5.5
7.2
8.5
10.6
Heating Capacity
kW
5.7
8.2
9.8
11.8
Power Input
Cooling
kW
2.0
2.5
2.8
3.6
Heating
kW
2.0
2.4
2.8
3.6
EER / COP
W/W
2.7/2.8
2.8/3.4
3.0/3.5
2.9/3.2
Indoor Unit
GTH18K3HI
GTH24K3HI
GTH30K3HI
GTH36K3HI
Power Supply - 220-240V~ 50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
direct
direct
Motor Output
kW
0.02×1
0.075×1
0.075×1
0.10×1
Air Flow
m3/h
1000
1400
1500
1600
Sound Pressure Level(SH/H/M/L)
dB(A)
40/37/35/33
48/46/44/40
50/48/46/43
52/51/50/49
Air Filter - Standard washable synthetic
Drain Piping
mm
Φ17×1.75
Outline Dimensions (W×H×D)
mm
1200×665×235
Net Weight
kg
31
32
32
36
Outdoor Unit
GUHN18NK3HO
GUHN24NK3HO
GUHN30NK3HO
GUHN36NM3HO
Power Supply
-
220-240V~ 50Hz
380-415V 3N~
50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.085×1
0.085×1
0.100×1
0.100×1
Fan Motor Speed
rpm
770/640
770/640
900/665
900/665
Compressor
Type
-
Rotary
Rotary
Rotary
Rotary
Power Input
W
1930
2460
2760
3320
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
1.3
1.5
1.8
2.2
Outline Dimensions (W×H×D)
mm
955×395×700
955×395×700
980×425×790
980×425×790
Net Weight
kg
53
61
69
69
Piping
Connections
Liquid
Inch
Φ1/4
Φ3/8
Φ3/8
Φ3/8
Gas
Inch
Φ1/2
Φ5/8
Φ5/8
Φ3/4
Max. Length
m
25
30
30
30
Max. Height
m
15
15
15
15
3.1.3 Floor ceiling Type
11
U-Match Series Service Manual
Model
Indoor unit
GTH42K3HI
GTH48K3HI
GTH60K3HI
Product Code
ED020N1470
ED020N1430
ED020N1480
Outdoor unit
GUHN42NM3HO
GUHN48NM3HO
GUHN60NM3HO
Product Code
CF021W2070
CF021W2060
CF021W2050
Capacity
Cooling Capacity
kW
12.0
14.2
15.8
Heating Capacity
kW
13.2
16.0
18.2
Power Input
Cooling
kW
4.3
5.0
5.50
Heating
kW
4.1
4.7
5.45
EER / COP
W/W
2.8/3.2
2.8/3.4
2.8/3.3
Indoor Unit
GTH42K3HI
GTH48K3HI
GTH60K3HI
Power Supply - 220-240V~50Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Drive
-
direct
direct
direct
Motor Output
kW
0.1×1
0.26×1
0.26×1
Air Flow
m3/h
1650
2400
2400
Sound Pressure Level(SH/H/M/L)
dB(A)
54/52/51/50
56/55/53/52
56/55/53/52
Air Filter - Standard washable synthetic
Drain Piping
mm
Φ17×1.75
Outline Dimensions (W×H×D)
mm
1200×665×235
1570×665×235
Net Weight
kg
38
46
46
Outdoor Unit
GUHN42NM3HO
GUHN48NM3HO
GUHN60NM3HO
Power Supply - 380-415V 3N~ 50Hz
Heat Exchange - Cross Fin Coil
Fan
Drive
-
Axial-flow
Motor Output
kW
0.140×1
0.140×1
0.070×2
Fan Motor Speed
rpm
830/630
830/630
880/500
Compressor
Type
-
Rotary
Rotary
Rotary
Power Input
W
4130
4750
5200
Refrigerant
Control
-
Electronic Expansion Valve
Charge
kg
3.3
3.7
4.1
Outline Dimensions (W×H×D)
mm
1120×440×1100
1120×440×1100
980×410×1350
Net Weight
kg
100
103
118
Piping
Connections
Liquid
Inch
Φ1/2
Φ1/2
Φ1/2
Gas
Inch
Φ3/4
Φ3/4
Φ3/4
Max. Length
m
50
50
50
Max. Height
m
30
30
30
12
U-Match Series Service Manual
Mode
Indoor ℃(℉)
Outdoor ℃(℉)
Cooling
DB:27 (80.6)
DB:35(95)
WB:19 (66.2)
WB:24(75.2)
Heating
DB:20 (68)
DB:7(44.6)
WB:--(--)
WB:6 (42.8)
Piping
Length
Duct type
Cassette type
18-48k：5m
60k：7.5m
Floor ceiling
type
18-30k：5m
36-60k：7.5m
Mode
Range of Outdoor Temperature ℃(℉)
Cooling
-15(5)-43(109.4)
Heating
-15(5)-24(75.2)
Model
Compressor
Fan Motor
Fuse/Breaker
Capacity
Min.
Power
Supply
Cord
Power
Supply
Qty.
RLA
FLA
V/Ph/Hz
− A A A mm2
GUHN18NK3HO
220-240,1,50
1
8.4
<1
5/13
2.5
GUHN24NK3HO
220-240,1,50
1
11.3
<1
5/20
4.0
GUHN30NK3HO
220-240,1,50
1
12.7
<1
5/20
4.0
GUHN36NM3HO
380-415,3,50
1
6.9
<1
5/13
1.5
GUHN42NM3HO
380-415,3,50
1
7.2
<1
5/13
2.5
GUHN48NM3HO
380-415,3,50
1
8.7
<1
5/16
2.5
GUHN60NM3HO
380-415,3,50
1
9.3
<1
5/16
2.5
Note: Nominal capacities are based on the follow conditions.
The air volume is measured at the relevant standard external static pressure.
Noise is tested in the semianechoic room, so it should be slightly higher in the actual operation due
to environmental change.
3.2 Operation Range
3.3 Electrical Data
3.3.1 Outdoor unit
Table 1-4-1 Electrical Data of Outdoor Unit
13
3.3.2 Indoor unit
Model
Power
Supply
Fan Motor
FLA
Fuse/Breaker
Capacity
Min. Power
Supply Cord
V/Ph/Hz
A A mm2
GFH18K3HI
220-240,1,50
<1
5/6
1.0
GFH18K3H1I
220-240,1,50
<1
5/6
1.0
GFH24K3HI
220-240,1,50
<1
5/6
1.0
GFH24K3H1I
220-240,1,50
<1
5/6
1.0
GFH30K3HI
220-240,1,50
<1
5/6
1.0
GFH30K3H1I
220-240,1,50
<1
5/6
1.0
GFH36K3HI
220-240,1,50
<1
5/6
1.0
GFH36K3H1I
220-240,1,50
<1
5/6
1.0
GFH42K3HI
220-240,1,50
<1
5/6
1.0
GFH42K3H1I
220-240,1,50
<1
5/6
1.0
GFH48K3HI
220-240,1,50
<1
5/6
1.0
GFH48K3H1I
220-240,1,50
<1
5/6
1.0
GFH60K3HI
220-240,1,50
<1
5/6
1.0
GFH60K3H1I
220-240,1,50
<1
5/6
1.0
GKH18K3HI
220-240,1,50
<1
5/6
1.0
GKH24K3HI
220-240,1,50
<1
5/6
1.0
GKH30K3HI
220-240,1,50
<1
5/6
1.0
GKH36K3HI
220-240,1,50
<1
5/6
1.0
GKH42K3HI
220-240,1,50
<1
5/6
1.0
GKH48K3HI
220-240,1,50
<1
5/6
1.0
GKH60K3HI
220-240,1,50
<1
5/6
1.0
GTH18K3HI
220-240,1,50
<1
5/6
1.0
GTH24K3HI
220-240,1,50
<1
5/6
1.0
GTH30K3HI
220-240,1,50
<1
5/6
1.0
GTH36K3HI
220-240,1,50
<1
5/6
1.0
GTH42K3HI
220-240,1,50
<1
5/6
1.0
GTH48K3HI
220-240,1,50
<1
5/6
1.0
GTH60K3HI
220-240,1,50
<1
5/6
1.0
U-Match Series Service Manual
Table 1-4-2 Electrical Data of Indoor Unit
Notes:
RLA: Rated load amperes
LRA: Locked rotor amperes
FLA: Full load current
Install the disconnect device with a contact gap of at least 3mm in all poles nearby the units
①
(Both indoor unit and outdoor unit).The appliance must be positioned so that the plug is
accessible.
The specifications of the breaker and power cable listed in the table above are determined based
②
on the maximum power (maximum amps) of the unit.
The specifications of the power cable listed in the table above are applied to the conduit-guarded
③
multi-wire copper cable (like, YJV copper cable, consisting of PE insulated wires and a PVC
cable jacket) used at 40°С and resistible to 90°С (see IEC 60364-5-52). If the working condition
changes, they should be modified according to the related national standard.
14
U-Match Series Service Manual
The specifications of the breaker listed in the table above are applied to the breaker with the
④
working temperature at 40°С. If the working condition changes, they should be modified
according to the related national standard.
15
4 PIPING DIAGRAM
U-Match Series Service Manual
16
U-Match Series Service Manual
CONTROL
17
CONTROL
1 OPERATION FLOWCHART
1.1 Cooling/Dry Operation
U-Match Series Service Manual
18
U-Match Series Service Manual
1.2 Heating Operation
19
U-Match Series Service Manual
No.
Name
Function Description
Signal
transmitter
Signal transmitter
ON/OFF
button
Press this button and the unit will be turned on; press it once more and the unit will be turned off.
When turning off the unit, the Sleep function will be canceled, but the presetting time is still
remained.
MODE
button
By pressing this button, Auto, Cool, Dry, Fan, Heat mode can be selected circularly. Auto
mode is default after power on. Under the Auto mode, the setting temperature will not be
displayed; Under the Heat mode, the initial value is 28°C (82°F); under other modes, the initial
value is 25°C (77°F).
AUTO; COOL; DRY; FAN; HEAT (only for cooling and heating unit)
- button
Preset temperature can be decreased by pressing this button. Pressing and holding this button
for more than 2 seconds can make the temperature changed quickly until release this button and
then transmit this order. The temperature adjustment is unavailable under the Auto mode, but
the order can be sent by pressing this button. Centigrade setting range: 16-30; Fahrenheit scale
setting range 61-86.
+ button
Preset temperature can be increased by pressing this button. Pressing and holding this button
for more than 2 seconds can make the temperature changed quickly until release the button and
then transmit this order. The temperature adjustment is unavailable under the Auto mode, but
the order can be sent by pressing this button. Centigrade setting range: 16-30; Fahrenheit scale
setting range 61-86.
2 WIRELESS REMOTE CONTROLLER
2.1 Operation and Display View
Table 2-2-1 Operation instruction of wireless remote controller
20
U-Match Series Service Manual
FAN
button
By pressing this button, Auto, Low, Middle, High speed can be circularly selected. After power
on, Auto fan speed is default.
Low speed
Middle speed
High speed
Note: Under the DRY mode, the fan will be kept running at the low speed and the fan speed isn't
adjustable.
SWING
UP/DOW
N button
Press this button to set up the swing angle, which circularly changes as below:
When the guide louver starts to swing up and down, if SWING functions are canceled, the air
guide louver will stop and remains at the current position.
Indicates the guide louver swings up and down among those five directions.(Simplified
SWING function applicable for some Fan Coil Units: When the wireless remote controller is
energized initially with the unit under the OFF status, it should be set by pressing the + button
and the SWING button simultaneously, with the symbol blinking twice. Then, after the unit
is turned on, this function can be activated by pressing the SWING button, with the displayed
symbol indicating swing function is on and without this displayed symbol indicating swing
function is off.)
CLOCK
button
By pressing this button, the clock is allowed to be set, with blinking, and then press the +/-
button to adjust the clock within 5 seconds. If the +/-button is pressed down constantly for more
than 2 seconds, the clock setting will be increased or decreased 10 minutes every 0.5 seconds.
After that, another press on the CLOCK button accepts the setting. 12:00 is the default, when
the wireless remote controller is energized.
TIMER
ON button
When TIMER ON is activated, ON will blink while the symbol will disappear. Within 5
seconds it is allowed to set the ON time by pressing the +/- button. Each press will make the
time increase or decrease one minute. Besides, the time can also be set by pressing the +/button constantly. That is, in the early 2.5 seconds, the time will increase/decrease quickly per
single minute, and in the late 2.5, the time will increase/decrease per ten minutes. After the
desired time value is set, press TIENE ON again to conform the setting within five seconds. After
that, another press on TIMER ON will cancel the setting. Prior to this setting, the clock shall be
set to the actual time.
X-FAN
button
Pressing this button can activate or deactivate the X-FAN function. In Cool or Dry mode, by
pressing this button, if " " is displayed, it indicates the X-FAN function is activated. By
repressing this button, if " " disappears, it indicates the X-FAN function is deactivated. After
energization, X-FAN OFF is defaulted. If the unit is turned off, X-FAN can be deactivated but
can't be activated.
TEMP
button
By pressing this button it is allowed to select displaying the indoor setting temperature or the
indoor ambient temperature.
Indoor setting temperature is default after the indoor unit is energized initially.
By pressing the TEMP button, when the temperature symbol is displayed, the indoor
displayer will show the indoor setting temperature; when is displayed, it will show the
indoor ambient temperature; when is invalidation, If current displays indoor ambient
temperature, if received the other remote control signal, it will display presetting temperature, 5s
later, will back to display the ambient temperature. (This function is applicable to partial of
models)
TIMER
OFF
button
By pressing this button it is available to go to the TIMER OFF setting state with the same setting
method as that of the TIMER ON, in which case the OFF symbol blinks.
21
TURBO
button
In the Cool or Heat mode, pressing this button can activate or deactivate the TURBO function.
When the TURBO function is activated, its symbol will be displayed; when the running
mode or the fan speed is changed, this function will be canceled automatically. (This function is
applicable to partial of models).
SLEEP
button
By pressing this button, Sleep On and Sleep Off can be selected. After powered on, Sleep Off is
defaulted. Once the unit is turned off, the Sleep function is canceled. When Sleep is set to on,
the symbol of SLEEP will display. Under the Fan and Auto modes, this function is not
available.
LIGHT
button
Press this button to select LIGHT on or off in the displayer. When the LIGHT is set to on, the icon
will be displayed and the indicating light in the displayer will be on. When the LIGHT is set
to off, the icon will be disappeared and the indicating light in the displayer will be off.
3 WIRED CONTROLLER
3.1 Display View
U-Match Series Service Manual
Figure 2-3-1 Appearance of wired controller
Figure 2-3-2 LCD display of wired controller
22
U-Match Series Service Manual
No.
Icons
Introduction
1 Left and right swing function
2 Up and down swing function
3 Air exchange function
4 Sleep function
5 Auto mode
6 COOL mode
7 DRY mode
8 FAN mode
9 HEAT mode
10 Health function
11 I-Demand function
12 Vacation function
13 Status display of master and slave wired controller
14
Shield function
The button operation, temperature setting, "On/Off" operation, "Mode" setting,
and "Save" setting are disabled.
15 Fan speed
16
Memory function
The unit will resume the original setting state after power recovery.
17 Turbo function
18 Energy-saving function
19 Ambient/setting temperature
20 Electric heater
21 Blow function
22 Defrosting function
23 Filter cleaning
24 Timer Setting
25 Keycard control / Detected status sensed by human body
26 Quiet function
27 Lock function
Table 2-3-1 Instruction to LCD Display
23
3.2 Operation View
No.
Description
Functions
1
Enter/Cancel
Function selection and canceling;
Press it for 5s to view the ambient temperature; press Mode button to
select viewing outdoor ambient temperature or indoor ambient
temperature.
2
▲
Running temperature setting range of indoor unit: 16-30℃;
Timer setting range: 0.5-24hr;
Setting of air function level;
Setting of energy-saving temperature;
Setting of cleaning class.
6
▼
3
Fan
Setting of high/medium high/medium/medium low/low/auto fan speed.
4
Mode
Setting of auto/cooling/heating/fan/dry mode of indoor unit.
5
Function
Switch over among these functions of swing/air/sleep/health/
I-Demand/out/turbo/save/e-heater/X-fan/clean/quiet.
7
Timer
Timer setting.
8
On/Off
Turn on/off indoor unit.
4 Mode and
2 ▲
Memory function
Press Mode and ▲ buttons at the same time for 5s under off state of the unit
to enter/cancel memory function (If memory function is set, indoor unit will
resume original setting state after power failure and then power recovery. If
not, indoor unit is defaulted to be off after power recovery. Ex-factory setting
of memory function is on).
2 ▲ and
6 ▼
Lock
Upon startup of the unit without malfunction or under off state of the unit,
press ▲ and ▼ buttons at the same time for 5s to enter lock state. In this
case, any other buttons won‟t respond when pressing. Repress ▲ and ▼
buttons for 5s to quit lock state.
4 Mode and
5 Function
Enquiry and
setting of address
of wired controller
Under off state of the unit, press Mode and Function buttons at the same time
for 5s to set the address. (More details please refer to project debugging)
5 Function and
7 Timer
Setting of project
parameters (More
details please
refer to the Notes)
Under off state of the unit, press Function and Timer buttons at the same time
for 5s to go to the debugging menu. Press Mode button to adjust the setting
items and press ▲ or ▼ buttons to set the actual value.
4 Mode and
6 ▼
Switch between
Fahrenheit and
Centigrade
Under off state of the unit, press Mode and ▼ buttons at the same time for 5s
to switch between Fahrenheit and Centigrade.
5 Function and
6 ▼
Viewing historical
malfunction
Continuously press Function and ▼ buttons for 5s to view historical
malfunction. Then press ▲ and ▼ buttons to adjust displayed contents. The
timer displaying position displays the sequence of malfunction and the
detailed error code. The 5th displayed malfunction is the last malfunction.
3.2.1 Silk Screen of Buttons
U-Match Series Service Manual
Figure 2-3-3 Silk screen of buttons
3.3.2 Instruction to Function of Buttons
Table 2-3-2 Instruction to buttons of wired controller
24
U-Match Series Service Manual
1 Enter/Cancel
and
4 Mode
Setting of master
and slave wired
controller
Under off state of the unit, press Enter/Cancel and Mode buttons at the same
time for 5s to set master and slave wired controller. Press ▲ or ▼ button to
adjust. (More details please refer to project debugging)
Notes:
The following functions can be set through Function and Timer buttons: setting of ambient
temperature sensor, selecting three speeds in high speed and three speeds in low speed of indoor fan
motor, display setting of freeze protection error code, setting of cold air prevention and hot air hot
prevention function, setting of refrigerant-lacking protection function, selecting of blowing residual heat of
indoor unit, selecting of compressor electric heater mode, selecting of low-power consumption mode,
selecting door control function, selecting human sensitive function, long-distance monitoring,
temperature compensation value at the air return port.
3.2.3 Setting of Wired Controller’s Address
3.2.3.1 Enquiry and Setting of Wired Controller’s Address
Under off state of the unit, press Function and Mode buttons at the same time for 5s to enter setting
interface of wired controller‟s address. In this case, LCD displays address number. Then press▲ or ▼
button to adjust address and then press Enter/Cancel button to confirm. The address setting is related to
the setting of Debugging Function 4.9.10. When the selection in 4.9.10 is 00, address of centralized
controller is to be set and the address setting range is 01~16; when the selection in 4.9.10 is 01, address
of long-distance monitor is to be set and the address setting range is 01~255.
Enquiry and setting of wired controller‟s address is shown as Figure 2-3-4 below:
Figure 2-3-4 Enquiry and setting of wired controller‟s address
25
U-Match Series Service Manual
3.2.3.2 Setting of Master/Slave Wired Controller’s Address
Under off status of the unit, press Enter/Cancel and Mode buttons at the same time for 5s to go to
the enquiry and setting interface of master/slave wired controller. In this case, LCD displays wired
controller‟s address (01 for master wired controller and 02 for slave wired controller). Press ▲ or ▼
button to adjust address of master/slave wired controller and then press Enter/Cancel button to confirm.
If slave wired controller is set, the icon will be displayed.
Note: If there is only one wired controller, it only can be set as the master; if there are two wired
controllers, one should be the master and the other should be the slave.
Setting of master/slave wired controller‟s address is shown as Figure 2-3-5 below:
Figure 2-3-5 Enquiry and setting of master/slave wired controller‟s address
26
U-Match Series Service Manual
Description
Quantity
Note
Socket base box installed in the wall
1
No.1 in Figure 2-5-1
Base plate of wired controller
1
No.2 in Figure 2-5-1
Screw M4×25
2
No.3 in Figure 2-5-1
Panel of wired controller
1
No.4 in Figure 2-5-1
4 OPERATION INSTRUCTION OF SPECIAL FUNCTIONS
4.1 Door Control Function
Door control function can be selected (More details please refer to Debugging Function).
When door control function is selected, the wired controller will work when the room card is inserted
and stop working when the room card is not inserted. When the door control function senses the room
card is not inserted, the wired controller will display icon.
Note:
In long-distance monitoring or centralized control, no matter the room card is inserted or not,
（1）
the ON/OFF of unit can be controlled. If long-distance monitoring or centralized control
information is received when the room card is not inserted, icon is cleared. When the card
is reinserted, door control function is judged to be turned on. If long-distance monitoring or
centralized control information is received when the room card is inserted, it will keep the
original status.
The unit can not be controlled by buttons when the card is not inserted.
（2）
5 INSTALLATION OF WIRED CONTROLLER
5.1 Standard Accessories
Table 2-5-1 Standard Accessories of Wired Controller
5.2 Installation Position and Requirement
(1) Prohibit installing the wired controller at the misty place or the place with direct sunlight.
(2) Prohibit installing the wired controller at the place near high temperature objects or
water-splashing places.
(3) Prohibit installing the wired controller at the place where faces forward to the window, to avoid
interference of another remote controller from neighborhood.
(4) Cut off the power of heavy current wire in the installation hole of the wall. All power should be cut
Figure 2-5-1
27
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