Gree U-match Series User manual

T1/R410A/50&60Hz
(GC201602 - І )
U-MATCH SERIES DC INVERTER AIR
CONDITIONERS SERVICE MANUAL

2
CONTENTS
PRODUCT......................................................................................................................................................... 2
1MODELS LIST............................................................................................................................................. 2
1.1 Outdoor Unit......................................................................................................................................... 2
1.2 Indoor Unit............................................................................................................................................ 3
2NOMENCLATURE...................................................................................................................................... 4
2.1 Outdoor Unit......................................................................................................................................... 4
2.2 Intdoor Unit........................................................................................................................................... 4
3PRODUCT DATA......................................................................................................................................... 5
3.1 Product Data of Indoor Unit ................................................................................................................. 5
3.2 Operation Range.................................................................................................................................11
3.3 Electrical Data.....................................................................................................................................11
4PIPING DIAGRAM .................................................................................................................................... 12
CONTROL....................................................................................................................................................... 14
1OPERATION FLOWCHART...................................................................................................................... 14
1.1 Cooling/Dry Operation ....................................................................................................................... 14
1.2 Heating Operation.............................................................................................................................. 15
2WIRELESS REMOTE CONTROLLER...................................................................................................... 16
2.1 Operation and Display View............................................................................................................... 16
3WIRED CONTROLLER............................................................................................................................. 18
3.1 Display View....................................................................................................................................... 18
3.2 Operation View................................................................................................................................... 20
4OPERATION INSTRUCTION OF SPECIALFUNCTIONS........................................................................ 22
4.1 Setting of Filter Clean Reminder Function......................................................................................... 22
4.2 Low Temperature Drying Function..................................................................................................... 24
4.3 Lock Function..................................................................................................................................... 24
4.4 Memory Function ............................................................................................................................... 25
4.5 Door Control Function/Human Sensitive Function............................................................................. 25
4.6 Switch between Fahrenheit and Centigrade...................................................................................... 25
4.7 Enquiry of Ambient Temperature........................................................................................................ 25
4.8 Enquiry of Historical Malfunction........................................................................................................ 26
4.9 Debugging Function........................................................................................................................... 26
5INSTALLATION OF WIRED CONTROLLER............................................................................................. 29
5.1 Standard Accessories......................................................................................................................... 29
5.2 Installation Position and Requirement ............................................................................................... 30
5.3 Installation of Wired Controller........................................................................................................... 30
5.4 Removal of Wired Controller.............................................................................................................. 31
6TROUBLE SHOOTING............................................................................................................................. 31
6.1 Display of Error Code......................................................................................................................... 31
7CENTRALIZED CONTROLLER................................................................................................................ 33
7.1 Smart Zone Controller........................................................................................................................ 33
7.2 Additional Special Functions .............................................................................................................. 36
INSTALLATION............................................................................................................................................... 51
1INDOOR UNIT INSTALLATION................................................................................................................. 51
1.1 Installation of Duct Type..................................................................................................................... 51
1.2 Installation of Cassette Type.............................................................................................................. 60
2OUTDOOR UNIT INSTALLATION............................................................................................................. 67
2.1 Before Installation .............................................................................................................................. 67
2.2 Installation Site................................................................................................................................... 68
2.3 Caution for Installation ....................................................................................................................... 68
2.4 Dimension Data.................................................................................................................................. 69
3REFRIGERATION PIPING WORK............................................................................................................ 69
3.1 Refrigeration Piping Work Procedures and Caution in Connecting................................................... 69
3.2 Specification of Connection Pipe ....................................................................................................... 74
4ELECTRIC WIRINGWORK...................................................................................................................... 74
4.1 Wiring Precautions............................................................................................................................. 74
4.2 Electrical Wiring ................................................................................................................................. 75

MAINTENANCE .............................................................................................................................................. 81
1TROUBLE TABLE ..................................................................................................................................... 81
2FLOW CHART OFTROUBLESHOOTING................................................................................................ 84
2.1 Troubleshooting Flow Chart of Main Control Malfunction.................................................................. 84
2.2 Troubleshooting Flow Chart of Drive Malfunction.............................................................................. 91
2.3 Interface ............................................................................................................................................. 95
2.4 IPM, PFC Testing Method.................................................................................................................. 99
3WIRING DIAGRAM................................................................................................................................. 101
3.1 Outdoor unit ..................................................................................................................................... 101
3.2 Indoor unit........................................................................................................................................ 103
4DISASSEMBLYANDASSEMBLYPROCEDURE OF MAIN PARTS....................................................... 106
4.1 Outdoor Unit..................................................................................................................................... 106
4.2 Indoor Unit........................................................................................................................................ 109
5EXPLODED VIEWSAND SPARE PART LIST..........................................................................................116
5.1 Outdoor Unit......................................................................................................................................116
5.2 Indoor Unit........................................................................................................................................ 126

U-Match Series DC Inverter Service Manual
1
PRODUCT

U-Match Series DC Inverter Service Manual
2
PRODUCT
1 MODELS LIST
1.1 Outdoor Unit
Model Name
Product Code
Power Supply
(V, Ph, Hz)
Appearance
GUHD24NS3GO
CF090W0800
220-240V~ 50/60Hz
GUHD36NS3GO
CF090W0860
220-240V~ 50/60Hz
GUHD42NS3GO
CF090W0870
220-240V~ 50/60Hz
GUHD48NS3GO
CF090W0880
220-240V~ 50/60Hz
GUHD60NS3GO
CF090W0790
220-240V~ 50/60Hz

U-Match Series DC Inverter Service Manual
3
1.2 Indoor Unit
Type
Model Name
Product Code
Nominal Capacity
Cooling/Heating
(kW)
Power
Supply
(V, Ph, Hz)
Appearance
Duct
Type
GFH24S3GI
CF060N0560
7.0/8.0
220-240V~
50/60Hz
GFH24S3G1I
CF060N0561
7.0/8.0
GFH36S3GI
CF060N0650
10.0/12.0
220-240V~
50/60Hz
GFH36S3G1I
CF060N0660
10.0/12.0
GFH42S3GI
CF060N0670
12.0/13.8
220-240V~
50/60Hz
GFH42S3G1I
CF060N0680
12.0/13.8
GFH48S3GI
CF060N0690
13.7/16.0
220-240V~
50/60Hz
GFH48S3G1I
CF060N0700
13.7/16.0
GFH60S3GI
CF060N0550
16.0/18.0
220-240V~
50/60Hz
GFH60S3G1I
CF060N0551
16.0/18.0
Cassette
Type
GKH24S3GI
ET010N1160
7.2/8.2
220-240V~
50/60Hz
GKH36S3GI
ET010N1150
10.0/12.0
220-240V~
50/60Hz
GKH42S3GI
ET010N1170
11.5/13.8
220-240V~
50/60Hz
GKH48S3GI
ET010N1180
14.0/16.0
220-240V~
50/60Hz
Note:1 Ton =12000Btu/h = 3.517kW
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.

U-Match Series DC Inverter Service Manual
4
2 NOMENCLATURE
2.1 Outdoor Unit
G
U
H
D
24
N
S
3
G
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
S= 220-240V~ 50/60Hz
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
2.2 Intdoor Unit
G
F
H
24
T
S
3
G
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
S= 220-240V~ 50/60Hz
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

U-Match Series DC Inverter Service Manual
5
3 PRODUCT DATA
3.1 Product Data of Indoor Unit
3.1.1 Duct Type
Model
Indoor unit
GFH24S3GI
GFH24S3G1I
Outdoor unit
GUHD24NS3GO
GUHD24NS3GO
Nominal
Capacity
Cooling
kW
7.00
7.00
Btu/h
23884
23884
Heating
kW
8.00
8.00
Btu/h
27296
27296
Power Input
Cooling
kW
2.18
2.18
Heating
kW
2.28
2.28
EER/COP
W/W
3.21/3.51
3.21/3.51
Indoor Unit
GFH24S3GI
GFH24S3G1I
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Fan
Type
-
Centrifugal
Centrifugal
Drive
-
Direct
Direct
Motor Output
kW
—
—
Air Flow
m3/h
1500
1500
Rated Ext. Static Pressure
Pa
50
50
Sound Pressure Level(SS/H/M/L)
dB(A)
46/43/41/38
46/43/41/38
Air Filter
-
PPKZ
Drain Piping
mm
Ф20×1.2
Ф20×1.2
Dimensions (W×H×D)
(Outline/Package)
mm
1225×290×775
1225×290×775
1338×305×877
1338×305×877
Weight(Net/Gross)
kg
47.0/55.0
47.0/55.0
Outdoor Unit
GUHD24NS3GO
GUHD24NS3GO
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Axial-flow
Fan Motor Speed
rpm
800
800
Compressor
Type
-
Inverter Rotary
Inverter Rotary
Power Input
W
2550
2550
Refrigerant
Type
-
R410A
Control
-
Electronic Expansion Valve
Charge
kg
2.2
2.2
Dimensions (W×H×D)
(Outline/Package)
mm
1005×790×425
1005×790×425
1083×855×428
1083×855×428
Weight(Net/Gross)
kg
69.0/74.0
69.0/74.0
Piping
Connections
Liquid
Inch
3/8
3/8
Gas
Inch
5/8
5/8
Max. Length
m
50
50
Max. Height
m
15
15

U-Match Series DC Inverter Service Manual
6
Model
Indoor unit
GFH36S3GI
GFH36S3G1I
GFH42S3GI
Outdoor unit
GUHD36NS3GO
GUHD36NS3GO
GUHD42NS3GO
Nominal
Capacity
Cooling
kW
10.00
10.00
12.00
Btu/h
34120
34120
40944
Heating
kW
12.00
12.00
13.80
Btu/h
40944
40944
47086
Power Input
Cooling
kW
3.10
3.10
3.70
Heating
kW
3.30
3.30
4.00
EER/COP
W/W
3.23/3.64
3.23/3.64
3.24/3.45
Indoor Unit
GFH36S3GI
GFH36S3G1I
GFH42S3GI
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Type
-
Centrifugal fan
Centrifugal fan
Centrifugal fan
Drive
-
direct
direct
direct
Motor Output
kW
—
—
—
Air Flow
m3/h
2000
2000
2200
Rated Ext. Static Pressure
Pa
50
50
50
Sound Pressure Level(SS/H/M/L)
dB(A)
48/45/43/41
48/45/43/41
50/48/46/43
Air Filter
-
PPKZ
Drain Piping
mm
Ф20×1.2
Ф20×1.2
Ф20×1.2
Dimensions (W×H×D)
(Outline/Package)
mm
1340×350×750
1340×350×750
1340×350×750
1423×455×837
1423×455×837
1423×455×837
Weight(Net/Gross)
kg
56.0/68.0
56.0/68.0
59.0/71.0
Outdoor Unit
GUHD36NS3GO
GUHD36NS3GO
GUHD42NS3GO
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Axial fan
Fan Motor Speed
rpm
780
780
780
Compressor
Type
-
Inverter Rotary
Inverter Rotary
Inverter Rotary
Power Input
W
4150
4150
4580
Refrigerant
Type
-
R410A
Control
-
Electronic Expansion Valve
Charge
kg
3.5
3.5
3.9
Dimensions (W×H×D)
(Outline/Package)
mm
1105×1105×440
1105×1105×440
1105×1105×440
1158×1235×493
1158×1235×493
1158×1235×493
Weight(Net/Gross)
kg
91.0/100.0
91.0/100.0
101.0/111.0
Piping
Connections
Liquid
Inch
3/8
3/8
3/8
Gas
Inch
5/8
5/8
5/8
Max. Length
m
50
50
50
Max. Height
m
15
15
30

U-Match Series DC Inverter Service Manual
7
Model
Indoor unit
GFH42S3G1I
GFH48S3GI
GFH48S3G1I
Outdoor unit
GUHD42NS3GO
GUHD48NS3GO
GUHD48NS3GO
Nominal
Capacity
Cooling
kW
12.0
13.7
13.7
Btu/h
40944
46744
47768
Heating
kW
13.8
16.0
16.0
Btu/h
47086
54592
54592
Power Input
Cooling
kW
3.70
4.25
4.25
Heating
kW
4.00
4.80
4.80
EER/COP
W/W
3.24/3.45
3.22/3.33
3.22/3.33
Indoor Unit
GFH42S3G1I
GFH48S3GI
GFH48S3G1I
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Centrifugal fan
Drive
-
direct
Motor Output
kW
—
Air Flow
m3/h
2200
2500
2500
Rated Ext. Static Pressure
Pa
50
50
50
Sound Pressure Level(SS/H/M/L)
dB(A)
50/48/46/43
51/48/46/44
51/48/46/44
Air Filter
-
PPKZ
Drain Piping
mm
Ф20×1.2
Ф20×1.2
Ф20×1.2
Dimensions (W×H×D)
(Outline/Package)
mm
1340×350×750
1340×350×750
1340×350×750
1423×455×837
1423×455×837
1423×455×837
Weight(Net/Gross)
kg
59.0/71.0
59.0/71.0
59.0/71.0
Outdoor Unit
GUHD42NS3GO
GUHD48NS3GO
GUHD48NS3GO
Power Supply
-
220-240V~50/60Hz
220-240V~ 50/60Hz
220-240V~50/60Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Cross Fin Coil
Fan
Type
-
Axial fan
Axial fan
Axial fan
Fan Motor Speed
rpm
780
800
800
Compressor
Type
-
Inverter Rotary
Inverter Rotary
Inverter Rotary
Power Input
W
4580
4580
4580
Refrigerant
Type
-
R410A
R410A
R410A
Control
-
Electronic Expansion Valve
Charge
kg
3.9
4.0
4.0
Dimensions (W×H×D)
(Outline/Package)
mm
1105×1105×440
1085×1365×425
1085×1365×425
1158×1235×493
1143×1505×478
1143×1505×478
Weight(Net/Gross)
kg
101.0/111.0
117.0/128.0
117.0/128.0
Piping
Connections
Liquid
Inch
3/8
3/8
3/8
Gas
Inch
5/8
5/8
5/8
Max. Length
m
50
50
50
Max. Height
m
30
30
30

U-Match Series DC Inverter Service Manual
8
Model
Indoor unit
GFH60S3GI
GFH60S3G1I
Outdoor unit
GUHD60NS3GO
GUHD60NS3GO
Nominal
Capacity
Cooling
kW
16.0
16.0
Btu/h
54592
54592
Heating
kW
18.0
18.0
Btu/h
61416
61416
Power Input
Cooling
kW
5.00
5.00
Heating
kW
5.00
5.00
EER/COP
W/W
3.20/3.60
3.20/3.60
Indoor Unit
GFH60S3GI
GFH60S3G1I
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Centrifugal
Drive
-
direct
Motor Output
kW
-
Air Flow
m3/h
3100
3100
Rated Ext. Static Pressure
Pa
50
50
Sound Pressure Level(SS/H/M/L)
dB(A)
55/53/51/48
55/53/51/48
Air Filter
-
PPKZ
Drain Piping
mm
Ф30×1.5
Ф30×1.5
Dimensions (W×H×D)
(Outline/Package)
mm
1500×390×800
1500×390×800
1578×470×883
1578×470×883
Weight(Net/Gross)
kg
79.0/103.0
79.0/103.0
Outdoor Unit
GUHD60NS3GO
GUHD60NS3GO
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Axial-flow
Fan Motor Speed
rpm
800
800
Compressor
Type
Inverter Rotary
Power Input
W
4580
4580
Refrigerant
Type
-
R410A
Control
-
Electronic expansion valve
Charge
kg
5.5
5.5
Dimensions (W×H×D)
(Outline/Package)
mm
1085×1365×425
1085×1365×425
1143×1505×478
1143×1505×478
Weight(Net/Gross)
kg
121.0/133.0
121.0/133.0
Piping
Connections
Liquid
Inch
3/8
3/8
Gas
Inch
3/4
3/4
Max. Length
m
50
50
Max. Height
m
30
30

U-Match Series DC Inverter Service Manual
9
3.1.2 Cassette Type
Model
Indoor unit
GKH24S3GI
GKH36S3GI
Outdoor unit
GUHD24NS3GO
GUHD36NS3GO
Nominal
Capacity
Cooling
kW
7.20
10.00
Btu/h
24566
34120
Heating
kW
8.20
12.00
Btu/h
27978
40944
Power Input
Cooling
kW
2.15
3.00
Heating
kW
2.45
3.50
EER/COP
W/W
3.34/3.34
3.34/3.43
Indoor Unit
GKH24S3GI
GKH36S3GI
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Fan
Type
-
Centrifugal
Centrifugal
Drive
-
Direct
Direct
Motor Output
kW
—
—
Air Flow
m3/h
1400
1900
Rated Ext. Static Pressure
Pa
0
0
Sound Pressure Level(SS/H/M/L)
dB(A)
50/48/45/43
54/53/52/50
Air Filter
-
PPKZ
Drain Piping
mm
Ф31.5×2.3
Ф31.5×2.3
Dimensions (W×H×D)
(Outline/Package)
mm
840×840×240
840×840×290
963×963×325
963×963×379
Weight(Net/Gross)
kg
29.0/37.0
33.0/41.0
Outdoor Unit
GUHD24NS3GO
GUHD36NS3GO
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Axial-flow
Fan Motor Speed
rpm
800
800
Compressor
Type
-
Inverter Rotary
Inverter Rotary
Power Input
W
2550
4150
Refrigerant
Type
-
R410A
Control
-
Electronic Expansion Valve
Charge
kg
2.2
3.5
Dimensions (W×H×D)
(Outline/Package)
mm
1005×790×425
1105×1105×440
1083×855×428
1158×1235×493
Weight(Net/Gross)
kg
69.0/74.0
91.0/100.0
Piping
Connections
Liquid
Inch
3/8
3/8
Gas
Inch
5/8
5/8
Max. Length
m
50
50
Max. Height
m
15
15

U-Match Series DC Inverter Service Manual
10
Model
Indoor unit
GKH42S3GI
GKH48S3GI
Outdoor unit
GUHD42NS3GO
GUHD48NS3GO
Nominal
Capacity
Cooling
kW
11.50
14.00
Btu/h
39238
47768
Heating
kW
13.80
16.00
Btu/h
47086
54592
Power Input
Cooling
kW
3.50
4.30
Heating
kW
4.20
4.50
EER/COP
W/W
3.28/3.28
3.25/3.55
Indoor Unit
GKH42S3GI
GKH48S3GI
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Cross Fin Coil
Fan
Type
-
Centrifugal
Centrifugal
Drive
-
Direct
Direct
Motor Output
kW
—
—
Air Flow
m3/h
2000
2300
Rated Ext. Static Pressure
Pa
0
0
Sound Pressure Level(SS/H/M/L)
dB(A)
53/52/50/47
55/53/50/47
Air Filter
-
PPKZ
Drain Piping
mm
Ф31.5×2.3
Ф31.5×2.3
Dimensions (W×H×D)
(Outline/Package)
mm
840×840×290
910×910×290
963×963×379
1023×993×375
Weight(Net/Gross)
kg
34.0/42.0
43.0/53.0
Outdoor Unit
GUHD42NS3GO
GUHD48NS3GO
Power Supply
-
220-240V~ 50/60Hz
Heat Exchange
-
Cross Fin Coil
Fan
Type
-
Axial-flow
Fan Motor Speed
rpm
800
800
Compressor
Type
-
Inverter Rotary
Inverter Rotary
Power Input
W
4580
4580
Refrigerant
Type
-
R410A
Control
-
Electronic Expansion Valve
Charge
kg
3.9
4.0
Dimensions (W×H×D)
(Outline/Package)
mm
1105×1105×440
1085×1365×425
1158×1235×493
1143×1505×478
Weight(Net/Gross)
kg
101.0/111.0
117.0/128.0
Piping
Connections
Liquid
Inch
3/8
3/8
Gas
Inch
5/8
5/8
Max. Length
m
50
50
Max. Height
m
30
30
Note: Nominal capacities are based on the follow conditions.
Mode
Indoor℃(℉)
Outdoor℃(℉)
Cooling
DB:27(80.6)
WB:19(66.2)
DB:35(95.0)
WB:24(75.2)
Heating
DB:20(68.0)
WB:--(--)
DB:7(44.6)
WB:6(42.8)
Piping Length
24-60k
7.5m
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.

U-Match Series DC Inverter Service Manual
11
3.2 Operation Range
Mode
Range of Outdoor Temperature ℃
Cooling
-15-48
Heating
-10-24
3.3 Electrical Data
3.3.1 Outdoor unit Table 1-4-1 Electrical Data of Outdoor Unit
Model
Compressor
Fan Motor
Fuse/Breaker
Capacity
Min.
Power
Supply
Cord
Power Supply
Qty.
RLA
FLA
V/Ph/Hz
−
A
A
A
mm2
GUHD24NS3GO
220-240,1,50/60
1
11.5
-
20
2.5
GUHD36NS3GO
220-240,1,50/60
1
19.0
-
20
4.0
GUHD42NS3GO
220-240,1,50/60
1
21.0
-
25
4.0
GUHD48NS3GO
220-240,1,50/60
1
21.0
-
40
6.0
GUHD60NS3GO
220-240,1,50/60
1
21.0
-
40
6.0
3.3.2 Indoor unit Table 1-4-2 Electrical Data of Indoor Unit
Model
Power Supply
Fan Motor FLA
Fuse/Breaker
Capacity
Min. Power
Supply Cord
V/Ph/Hz
A
A
mm2
GFH24S3GI
220-240,1,50/60
＜1
5/6
1.0
GFH24S3G1I
220-240,1,50/60
＜1
5/6
1.0
GFH36S3GI
220-240,1,50/60
＜1
5/6
1.0
GFH36S3G1I
220-240,1,50/60
＜1
5/6
1.0
GFH42S3GI
220-240,1,50/60
＜1
5/6
1.0
GFH42S3G1I
220-240,1,50/60
＜1
5/6
1.0
GFH48S3GI
220-240,1,50/60
＜1
5/6
1.0
GFH48S3G1I
220-240,1,50/60
＜1
5/6
1.0
GFH60S3GI
220-240,1,50/60
＜1
5/6
1.0
GFH60S3G1I
220-240,1,50/60
＜1
5/6
1.0
GKH24S3GI
220-240,1,50/60
＜1
5/6
1.0
GKH36S3GI
220-240,1,50/60
＜1
5/6
1.0
GKH42S3GI
220-240,1,50/60
＜1
5/6
1.0
GKH48S3GI
220-240,1,50/60
＜1
5/6
1.0
Notes:
RLA: Rated load amperes
LRA: Locked rotor amperes
FLA: Full load current
①. Install the disconnect device with a contact gap of at least 3mm in all poles nearby the units
(Both indoor unit and outdoor unit).The appliance must be positioned so that the plug is
accessible.

U-Match Series DC Inverter Service Manual
12
②. The specifications of the breaker and power cable listed in the table above are determined based
on the maximum power (maximum amps) of the unit.
③. The specifications of the power cable listed in the table above are applied to the conduit-guarded
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. If the working condition changes, they should
be modified according to the related national standard.
④. The specifications of the breaker listed in the table above are applied to the breaker with the
working temperature at 40°С. If the working condition changes, they should be modified
according to the related national standard.
4 PIPING DIAGRAM

U-Match Series DC Inverter Service Manual
13
CONTROL

U-Match Series DC Inverter Service Manual
14
CONTROL
1 OPERATION FLOWCHART
1.1 Cooling/Dry Operation
Satisfying open
Comp. condition
Temp of indoor
≤Set temp
Comp. stop
for 3 min NY
N
Y
Y
N
Open unit running at
cool or dry mode
Indoor fan run
Comp. and outdoor
fan run
Comp. and
outdoor fan stop
Power
On

U-Match Series DC Inverter Service Manual
15
1.2 Heating Operation
Satisfying open
comp. condition
N
Y
N
Y
Y
N
Power
On
Comp. and
outdoor
fan run
Avoid cool wind
(only when comp.
start)
Temp of indoor
≥Set temp
Comp. and
outdoor fan stop
Comp. stop
for 3 min
Open unit running
at heat mode

U-Match Series DC Inverter Service Manual
16
2 WIRELESS REMOTE CONTROLLER
2.1 Operation and Display View
Table 2-2-1 Operation instruction of wireless remote controller
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.

U-Match Series DC Inverter Service Manual
17
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/DOWN
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 is 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.
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.