How it Works
INVENTOR
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u-match on/off
Service Manual
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INVENTOR u-match on/off Service Manual

2
CONTENTS
PRODUCT ....................................................................................................................................... 2
1 MODELS LIST .................................................................................................................... 2
1.1 Outdoor Unit
1.2 Indoor Unit
.................................................................................................................. 3
2 NOMENCLATURE ............................................................................................................. 4
3 FUNCTION .......................................................................................................................... 4
4 PRODUCT DATA ................................................................................................................ 5
4.1 Product Data at Rated Condition ................................................................................. 6
4.2 Operation Range
........................................................................................................ 19
4.3 Electrical Data ........................................................................................................... 20
5 PIPING DIAGRAM ........................................................................................................... 21
CONTROL .................................................................................................................................... 23
1 OPERATION FLOWCHART .......................................................................................... 23
1.1 Cooling/Dry Operation
.............................................................................................. 23
1.2 Heating Operation ..................................................................................................... 24
2 MAIN LOGIC .................................................................................................................... 25
2.1 Cooling ...................................................................................................................... 25
2.2 Dry Mode .................................................................................................................. 26
2.3 Heating Mode ............................................................................................................ 27
2.4 Defrosting .................................................................................................................. 28
2.5 Fan Mode .................................................................................................................. 29
3 WIRELESS REMOTE CONTROLLER ......................................................................... 30
3.1 Operation View ......................................................................................................... 30
3.2 Display V
iew ............................................................................................................. 32
4 WIRED REMOTE CONTROLLER ................................................................................ 33
4.1 Operation View ......................................................................................................... 33
4.2 Display V
iew ............................................................................................................. 35
4.3 Dimension ................................................................................................................. 36
4.4 Installa
tion ................................................................................................................. 36
5 CENTRALIZED CONTROLLER ................................................................................... 38
5.1 Centralized Controller-not with week timer .............................................................. 38
5.2 Centralized Controller-week timer ............................................................................ 39
5.3 Field Setting .............................................................................................................. 43
5.4 Control Wiring Design
.............................................................................................. 44
INSTALLATION ........................................................................................................................... 46
1 INDOOR UNIT INSTALLATION ................................................................................... 46
1.1 Installation of Duct
Type ........................................................................................... 46
1.2 Installation of Ceiling Type ....................................................................................... 55
1.3 Installation of Cassette Type ..................................................................................... 60
2 OUTDOOR UNIT INSTALLATION ............................................................................... 71
2.1 Before Installation ..................................................................................................... 71
3
2.2 Installation Site .......................................................................................................... 71
2.3 Caution for Installation ............................................................................................. 71
2.4 Dimension Data ......................................................................................................... 72
2.5 Installation Clearance Data ....................................................................................... 73
3 REFRIGERATION PIPING WORK ............................................................................... 74
3.1 Refrigeration Piping W
ork Procedures ...................................................................... 74
3.2 Caution in Conne
cting Pipes ..................................................................................... 77
3.3 Specification of C
onnection Pipe .............................................................................. 78
4 ELECTRIC WIRING WORK .......................................................................................... 79
4.1 Wiring Principle
........................................................................................................ 79
4.2 Electric Wiring Design
.............................................................................................. 83
4.3 Specification of Power Supply W
ire and Air Switch ................................................ 86
MAINTENANCE .......................................................................................................................... 89
1 TROUBLE TABLE ............................................................................................................ 89
2 FLOW CHART OF TROUBLESHOOTING .................................................................. 93
3 WIRING DIADRAM ....................................................................................................... 103
3.1 Wiring Diagram-Outdoor Units
.............................................................................. 103
3.2 Wiring Diagram-Indoor units .................................................................................. 111
4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS_ .................... 113
4.1 Outdoor Unit
........................................................................................................... 113
4.2 Indoor Unit
.............................................................................................................. 141
5 EXPLODED VIEWS AND PART LIST ........................................................................ 160
5.1 Outdoor Unit
........................................................................................................... 160
5.2 Indoor Unit
.............................................................................................................. 176
INVENTOR COMMERCIAL AIR CONDITION U-MATCH AIR CONDITIONERS
1
PRODUCT
U-MATCH AIR CONDITIONERS PRODUCT
2
PRODUCT
1 MODELS LIST
1.1 Outdoor Unit
Model
Nominal Capacity
Cooling/Heating
(Btu/h)
Ref.
Power
Supply
ULS-09 8870/9720 R410a
220-240,1,50
ULS-12 11940/12283 R410a
220-240,1,50
ULS-18 17060/19448 R410a
220-240,1,50
ULS-24 23884/27296 R410a
220-240,1,50
ULS-36 33437/37532 R410a
220-240,1,50
ULT-36 34120/37532 R410a
380-415,3,50
ULT-45 40944/47768 R410a
380-415,3,50
ULT-50 47768/52886 R410a
380-415,3,50
ULT-60 54592/63122 R410a
380-415,3,50
Note:1Ton =12000Btu/h = 3.517kW
U-MATCH AIR CONDITIONERS PRODUCT
3
1.2 Indoor Unit
Type Model
Nominal Capacity
Cooling/Heating
(Btu/h)
Ref.
Power
Supply
Duct
Type
IDI-09 8870/9720
R410a
220-240
1Ph
50Hz
IDI-12 11940/12283
IDI-18 17060/19448
IDI-24 23880/27300
IDI-36 33437/37500
IDI-45 42000/48000
IDI-50 48000/53000
IDI-60 60000/63120
Floor-
Ceiling
Type
IKI-09 8870/9720
R410a
220-240
1Ph
50Hz
IKI-12 11940/12283
IKI-18 17060/19448
IKI-24 23880/27300
IKI-36 33437/36781
IKI-45 42000/48000
IKI-50 48000/53000
Cassette
Type
ICI-12 11940/12283
R410a
220-240
1Ph
50Hz
ICI-18 17060/19448
ICI-24 23201/25590
ICI-36 36000/37500
ICI-45 42000/48000
ICI-50 48000/53000
Note:1 Ton =12000Btu/h = 3.517kW
NOTES˖
The universal outdoor unit 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 AIR CONDITIONERS PRODUCT
4
2 NOMENCLATURE
NO. Description Options
1 INVENTOR
2 Unit Type
U=Match Outdoor Unit
F=Duct Type
K=Cassette Type
T= Ceiling Type
3 Product Type
C=Cool Only
H=Heat Pump without Aux Electric Heaters
4 Power Supply 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=1Ph 220~240V 50HZ
M=3Ph 380~415V 50HZ
8 Refrigerant
1 =R22
2=R407C
3=R410A
9 Design Code Design Code:A,B,C,D……
10
Unit Code for Condensing Unit
or Indoor Unit
O=Outdoor
I=Indoor Unit
3 FUNCTION
U-MATCH AIR CONDITIONERS PRODUCT
5
Function Description
Memory function
when unit restart after power off, it will run on former status, the mode and
parameter are kept the same
Remote control function
wireless controller and remote controller can be opted, and the maximum
control distance of remote controller is 10m.
Timing function
it can timing ON/ OFF separately, meanwhile, it can also can timing on
circularly
Self-diagnosis with alarm function
once unit has malfunction, the malfunction code will be indicated and alarm
ring immediately
Sleep function it can self control for saving energy in energy saving mode.
Automatic function
the fan of indoor unit can adjust fan speed automatically based on actual
demand when cooling or heating under automatic mode
Cool air proof function
the fan starts only when the temperature of indoor unit heat exchanger is higher
than indoor temperature under heating mode
Weekly Timer
Centralized Control and Week Timer Functions: The centralized controller and
the weekly timer are integrated in the same wire controller. The system has both
the centralized control and the week timing functions. Up to 16 sets of units can
be controlled simultaneously by the centralized controller (weekly timer). The
weekly timer has the function of invalidating the lower unit. The weekly timing
function is able to realized four timing ON/OFF periods for any unit every day,
so as to achieve fully automatic operation. No timing control can be set for
holidays.
High/low pressure protection
when suction pressure is too low or discharge pressure is too high, compressor
will stop and unit display malfunction code
Overload protection
compressor has its own overheat protection, once the temperature of compressor
is higher than allowable level, compressor will stop and only when temperature
recovery, compressor restart
Over current protection
once the current of compressor is higher that normal level, compressor will stop
and unit display malfunction code
Discharge high
temperature protection
once the discharge temperature of compressor is higher than allowable value,
compressor will stop and unit display malfunction code
Reverse (open) phase protection
once the phase sequence of power supply is incongruent or the phase is absent,
unit can’t work and display malfunction code
Anti-high
temperature protection
once the heat exchanger temperature of indoor unit is too high, compressor stop
and unit display malfunction code.
Timing ON/OFF display display and timing turn ON/OFF time
Fan speed display display the speed (high, medium, low) of fan
Function model display cooling mode, dehumidifying mode, heating mode, fan mode
Testing display display testing mode
Temperature display display room temperature and set temperature
4 PRODUCT DATA
U-MATCH AIR CONDITIONERS PRODUCT
6
4.1 Product Data at Rated Condition
4.1.1 Duct Type
Model
Indoor unit IDI-09 IDI-12 IDI-18
Outdoor unit ULS-09 ULS-12 ULS-18
Nominal
Capacity
Cooling
kW 2.6 3.5 5.0
Btu/h 8870 11940 17060
Heating
kW 2.85 3.6 5.7
Btu/h 9720 12283 19448
Power
Input
Cooling kW 1.35 1.2 2.1
Heating kW 1.4 1.1 1.8
EER/COP W/W 2.6/2.94 2.92/3.55 2.38/3.22
Indoor Unit
IDI-09 IDI-12 IDI-18
Power Supply
ˉ
220-240V~/1 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Centrifugal fan
Drive
ˉ
Direct Driver
Motor Output kW 0.02×2 0.02×2 0.07×2
Air Flow m3/h 550 600 840
Ext. Static Pressure Pa 25 25 40
Sound Pressure Level˄H/M/L˅
dB(A) 37 / 36 /34 40/38/36 42/40/38
Air Filter
ˉ
Standard washable synthetic
Drain Piping mm 20×1.2 20×1.2 30×1.5
Dimensions (H×W×D)
(Outline/Package)
mm
220×913×680/
258×995×750
220×913×680/
258×995×750
266×1012×736
308×1120×795
Weight˄Net/Gross˅
kg 27/32 27/32 36/39
Outdoor Unit
ULS-09 ULS-12 ULS-18
Power Supply
ˉ
220-240V~/1Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.03 0.03 0.03
Fan Motor Speed rpm 850
Compressor
Type
ˉ
ROTARY
Motor Output kW 0.922 1.185 1.9
Refrigerant
Type
ˉ
R410A
Control
ˉ
Capillary Tube
Charge kg 1.1 1.0 1.5
Dimensions (H×W×D)
(Outline/Package)
mm
540×848×320/
590×878×360
540×848×320/
590×878×360
540×848×320/
590×878×360
Weight˄Net/Gross˅
kg 32/37 32/37 40/45
Piping
Connections
Liquid mm 6.35 6.35 6.35
Gas mm 9.52 12.7 12.7
Max. Length m 20 20 20
U-MATCH AIR CONDITIONERS PRODUCT
7
Max. Height Difference m 15 15 15
Continued 1
Model Indoor unit IDI-24 IDI-36 IDI-36
U-MATCH AIR CONDITIONERS PRODUCT
8
Outdoor unit ULS-24 ULS-36 ULS-36
Nominal
Capacity
Cooling
kW 7.0 9.8 10
Btu/h 23880 33437 36000
Heating
kW 8.0 11 11
Btu/h 27300 37500 37500
Power
Input
Cooling kW 2.66 4.0 4.0
Heating kW 2.51 3.5 3.5
EER/COP W/W 2.63/3.19 2.5/3.14 2.5/3.14
Indoor Unit
IDI-24 IDI-36 IDI-36
Power Supply
ˉ
220-240V~/1 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Centrifugal fan
Drive
ˉ
Direct Driver
Motor Output kW 0.15×2 0.5×2 0.5×2
Air Flow m3/h 1400 2000 2000
Ext. Static Pressure Pa 80 150 150
Sound Pressure Level˄H/M/L˅
dB(A
)
44 / 42 /40
50 / 48 /46
50 / 48 /46
Air Filter
ˉ
Standard washable synthetic
Drain Piping mm 20×1.2 20×1.2 20×1.2
Dimensions (W×H×D)
(Outline/Package)
mm
1270 ×268×504/
1345×268×594
1251×290×744/
1335× 290× 834
1251×290×744/
1335× 290× 834
Weight˄Net/Gross˅
kg 37/45 57/67 57/67
Outdoor Unit
ULS-24 ULT-36 ULS-36
Power Supply
ˉ
220-240V~/1Ph/50
HZ
380-415V~/3Ph/50
HZ
220-240V~/1Ph/50
HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.068×1 0.092×2 0.092×2
Fan Motor
Speed(H/M/L)
rpm 840/620/400 940/840/700 940/840/700
Compress
or
Type
ˉ
ROTARY SCROLL SCROLL
Motor Output kW 2.475 3.65 3.8
Refrigeran
t
Type
ˉ
R410A
Control
ˉ
Capillary Tube
Charge kg 2.2 3.2 3.2
Dimensions (W×H×D)
(Outline/Package)
mm
1018×700× 412/
1100 ×755× 450
1018 ×8 40×412/
1110 × 985 × 450
1018 ×8 40×412/
1110 ×985 × 450
Weight˄Net/Gross˅
kg 59/64 90/100 90/100
Piping
Connectio
ns
Liquid mm 9.52 12.7 12.7
Gas mm 15.8 19.05 19.05
Max. Length m 30 50 50
U-MATCH AIR CONDITIONERS PRODUCT
9
Max. Height
Difference
m 15 30 30
Continued:2
Model
Indoor unit IDI-45 IDI-50 IDI-60
Outdoor unit ULT-45 ULS-48N ULS-60
Nominal
Capacity
Cooling
kW 12 14 16
Btu/h 42000 48000 60000
Heating
kW 14 15.5 18.5
Btu/h 48000 53000 63120
Power
Input
Cooling kW 5.3 5.8 6.5
Heating kW 4.9 5.4 5.5
EER/COP W/W 2.26/2.86 2.41/2.87 2.46/3.27
Indoor Unit
IDI-45 IDI-50 IDI-60
Power Supply
ˉ
220-240V~/1 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Centrifugal fan
Drive
ˉ
Direct Driver
Motor Output kW 0.5×2
Air Flow m3/h 2000 2300 2500
Ext. Static Pressure Pa 150 150 150
Sound Pressure Level˄H/M/L˅
dB(A) 50 / 48 /46 50 / 48 /46 53 / 50 /48
Air Filter
ˉ
Standard washable synthetic
Drain Piping mm 20×1.2 20×1.2 32×1.5
Dimensions (W×H×D)
(Outline/Package)
mm
1251× 290 ×744/
1335 × 290× 834
1251×290×744/
1335× 290× 834
1251×330×788/
1334 ×330 × 882
Weight˄Net/Gross˅
kg 57/67 57/67 66/76
Outdoor Unit
ULT-45 ULT-50 ULT-60
Power Supply
ˉ
380-415V~/3 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.092×2
Fan Motor Speed(H/M/L) rpm 940/840/700 940/840/700 940/840/700
Compressor
Type
ˉ
SCROLL
Motor Output kW 4.75 4.5 5.75
Refrigerant
Type
ˉ
R410A
Control
ˉ
Capillary Tube
Charge kg 3.55 3.8 5.0
Dimensions (W×H×D)
(Outline/Package)
mm
1018×700× 412
/1100 ×755×450
950×1250×412
/1110×1385×450
950×1250×412
/1110×1385×450
Weight˄Net/Gross˅
kg 112/123 112/123 123/134
Piping
Connections
Liquid mm 12.7 12.7 12.7
Gas mm 19.05 19.05 22.2
U-MATCH AIR CONDITIONERS PRODUCT
10
Max. Length m 50
Max. Height Difference m 30
Note˖
ķ Nominal capacities are based on the follow conditions.
Indoor Outdoor Cooling DB˖27ć(80.6)
WB˖19ć(66.2)
DB˖35ć(95) WB˖24ć(75.2)
Heating DB˖20ć(68)
WB˖--ć(--)
DB˖7ć(44.6) WB˖6ć(42.8)
Piping Length
5m
ĸ The air volume is measured at the relevant standard external static pressure.
Ĺ Noise is tested in the Semi anechoic Room, so it should be slightly higher in the actual
operation due to environmental change.
U-MATCH AIR CONDITIONERS PRODUCT
11
4.1.2 Ceiling Type
Models
Indoor unit IKI-09 IKI-12 IKI-18
Outdoor unit ULS-09 ULS-12 ULS-18
Nominal
Capacity
Cooling
kW 2.6 3.5 5.0
Btu/h 8870 11940 17060
Heating
kW 2.85 3.6 5.7
Btu/h 9720 12280 19448
Power
Input
Cooling kW 1 1.17 2.03
Heating kW 1 1.1 2.07
EER/ COP W/W 2.6/2.85 2.99/3.55 2.46/2.8
Indoor Unit
IKI-09 IKI-12 IKI-18
Power Supply
ˉ
220-240V~/1 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Centrifugal fan
Drive
ˉ
Direct Driver
Motor Output kW 0.01×2 0.01×2 0.04×2
Air Flow m3/h 550 550 700
Sound Pressure Level˄H/M/L˅
dB(A) 47/44/41 46/44/41 54/50/46
Air Filter
ˉ
Standard washable synthetic
Drain Piping mm 28×1.5
Dimensions (W×H×D)
(Outline/Package)
mm
836×238×695/
935×295×805
836×238×695/
935×295×805
836×238×695/
935×295×805
Weight˄Net/Gross˅
kg 27/35.5 27/35.5 32/36
Outdoor Unit
ULS-09 ULS-12 ULS-18
Power Supply
ˉ
220-240V~/1 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.03 0.03 0.03
Fan Motor Speed rpm 850 850 850
Compressor
Type
ˉ
ROTARY
Motor Output kW 0.922 1.185 1.9
Refrigerant
Type
ˉ
R410A
Control
ˉ
Capillary Tube
Charge kg 1.1 1.0 1.5
Dimensions (W×H×D)
(Outline/Package)
mm
848×540×320
/878×590×360
848×540×320
/878×590×360
848×540×320
/878×590×360
Weight˄Net/Gross˅
kg 32/37 32/37 40/45
Piping
Connections
Liquid mm 6.35 6.35 6.35
Gas mm 9.52 12.7 12.7
Max. Length m 20 20 20
U-MATCH AIR CONDITIONERS PRODUCT
12
Max. Height Difference m 15 15 15
Continued 1
Models
Indoor unit IKI-24 IKI-36 IKI-36
Outdoor unit ULS-24 ULT-36 ULS-24
Nominal
Capacity
Cooling
kW 7.0 9.8 10
Btu/h 23880 33440 36000
Heating
kW 8.0 10.78 11
Btu/h 27300 36780 37500
Power
Input
Cooling kW 2.61 3.6 3.6
Heating kW 2.59 3.3 3.3
EER/ COP W/W 2.68/3.09 2.78/3.33 2.78/3.33
Indoor Unit
IKI-24 IKI-36 IKI-36
Power Supply
ˉ
220-240V~/1Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Centrifugal fan
Drive
ˉ
Direct Driver
Motor Output kW 0.1×4 0.085×2 0.085×2
Air Flow m3/h 1170 1800 1800
Sound Pressure Level˄H/M/L˅
dB(A
)
50/48/46 54/51/48
54/51/48
Air Filter
ˉ
Standard washable synthetic
Drain Piping mm 28×1.5
Dimensions (H×W×D)
(Outline/Package)
mm
1300×188×600
/1414×248×724
1590×238×695/
1714×330×830
1590×238×695/
1714×330× 830
Weight˄Net/Gross˅
kg 32/36 42/51 42/51
Outdoor Unit
ULS-24 ULT-36 ULS-24
Power Supply
ˉ
220-240V~/1Ph/50
HZ
380-415V~/3Ph/50
HZ
220-240V~/1Ph/50
HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Axial fan
Motor Output kW 0.068 0.092×2 0.092×2
Fan
MotorSpeed(H/M/L) rpm 840/620/400 940/840/700
940/840/700
Compressor
Type
ˉ
ROTARY SCROLL SCROLL
Motor Output kW 2.475 3.65 3.8
Refrigerant
Type
ˉ
R410A
Control
ˉ
Capillary Tube
Charge kg 2.2 3.2 3.2
Dimensions (W×H×D)
(Outline/Package)
mm
1018 ×700×412/
1100×755×450
1018×840×412/
1110×985×450
1018×840×412/
1110×985×450
U-MATCH AIR CONDITIONERS PRODUCT
13
Weight˄Net/Gross˅
kg 59/64 90/100 90/100
Piping
Connections
Liquid mm 9.52 12.7 12.7
Gas mm 15.8 19.05 19.05
Max. Length m 30 50 50
Max. Height
Difference
m 15 30
30
Continued 2
Models
Indoor unit IKI-45 IKI-50
Outdoor unit ULT-45 ULT-50
Nominal
Capacity
Cooling
kW 12 14
Btu/h 42000 48000
Heating
kW 14 15.5
Btu/h 48000 53000
Power
Input
Cooling kW 4.8 6.1
Heating kW 4.7 5.8
EER/ COP W/W 2.5/2.98 2.3/2.67
Indoor Unit
IKI-45 IKI-50
Power Supply
ˉ
220-240V~/1Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type
ˉ
Centrifugal fan
Drive
ˉ
Direct Driver
Motor Output kW 0.085×2 0.18×2
Air Flow m3/h 1800 2100
Sound Pressure Level˄H/M/L˅
dB(A) 54/51/48 58/55/52
Air Filter
ˉ
Standard washable synthetic
Drain Piping mm 28×1.5
Dimensions (W×H×D)
(Outline/Package)
mm
1590×238×695
1714×330×830
1590×238×695/
1714×330×830
Weight˄Net/Gross˅
kg 42/51 42/51
Outdoor Unit
ULT-45 ULT-50
Power Supply
ˉ
380-415V~/3 Ph/50HZ
Heat Exchange
ˉ
Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.092×2 0.092×2
Fan MotorSpeed(H/M/L) rpm 940/840/700 940/840/700
Compressor
Type
ˉ
SCROLL
Motor Output kW
4ˊ75
4.5
Refrigerant
Type
ˉ
R410A
Control
ˉ
Capillary Tube
Charge kg
3ˊ55
3.8
U-MATCH AIR CONDITIONERS PRODUCT
14
Dimensions (W×H×D)
(Outline/Package)
mm
950×1250×412/
1110 ×1385× 450
950×1250×412/
1110 ×1385× 450
Weight˄Net/Gross˅
kg 112/123
Piping
Connections
Liquid mm 12.7
Gas mm 19.05
Max. Length m 50
Max. Height Difference m 30
Note˖
ķ Nominal capacities are based on the follow conditions.
Indoor Outdoor
Cooling
DB˖27ć(80.6) WB˖19ć(66.2)
DB˖35ć(95) WB˖24ć(75.2)
Heating
DB˖20ć(68) WB˖--ć(--)
DB˖7ć(44.6) WB˖6ć(42.8)
Piping Length
5m
ĸ The air volume is measured at the relevant standard external static pressure.
Ĺ Noise is tested in the Semianechoic Room, so it should be slightly higher in the actual operation
due to environmental change.
U-MATCH AIR CONDITIONERS PRODUCT
15
4.1.3 Cassette Type
Models
Indoor unit ICI-12 ICI-18
ICI-24
Outdoor unit ULS-12 ULS-18
ULS-24
Nominal Capacity
Cooling
kW 3.5 5.0
6.8
Btu/h 11940 17060
23200
Heating
kW 3.6 5.7
7.5
Btu/h 12280 19450
25590
Power
Input
Cooling kW 1.17 2.0
2.62
Heating kW 1.1 1.9
2.5
EER/COP W/W 2.8/3.2 2.5/3.05
2.67/3.2
Indoor Unit ICI-12 ICI-18
ICI-24
Power Supply ˉ 220-240V~/1 Ph/50HZ
Heat Exchange ˉ Cross Fin Coil
Fan
Type ˉ Centrifugal fan
Drive ˉ Direct Driver
Motor Output kW 0.011 0.011
0.035
Air Flow m3/h 550 600
1180
Sound Pressure Level˄H/M/L˅ dB(A) 47/45/43
Air Filter ˉ Standard washable synthetic
Drain Piping mm 31×3 31×3
32×3
Indoor Unit Dimensions
(Outline/Package) (W×H×D)
mm
600×230×600/
848×310×678
600×230×600/
848×310×678
840×260×840/
960×310×960
Panel Dimensions
(Outline/Package) (H×W×D)
mm
50×650×650/
102×730×670
50×650×650/
102×730×670
60×950×950/
115×1040×1025
Weight˄Net/Gross˅ kg 20/27 20/27
30 / 38
Outdoor Unit ULS-12 ULS-18
ULS-24
Power Supply ˉ 220-240V~/1 Ph/50HZ
Heat Exchange ˉ Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.03 0.03
0.068
Fan Motor Speed(H/M/L) rpm 850 850
840/620/400
Compressor
Type ˉ ROTARY
Motor Output kW 1.185 1.9
2.475
Refrigerant
Type ˉ R410A
Control ˉ Capillary Tube
Charge kg 1.0 1.5
2.2
U-MATCH AIR CONDITIONERS PRODUCT
16
Dimensions (W×H×D)
(Outline/Package)
mm
848×540×320/
878×590×360
848×540×320/
878×590×360
1018×700×412/
1100×755×450
Weight˄Net/Gross˅ kg 32/37 40/45
59/64
Piping
Connections
Liquid mm 6.35 6.35
9.52
Gas mm 12.7 12.7
15.8
Max. Length m 20 20
30
Max. Height Difference m 15 15
15
U-MATCH AIR CONDITIONERS PRODUCT
17
Continued 1
Models
Indoor unit ICI-36 ICI-36
Outdoor unit ULT-36 ULS-36
Nominal Capacity
Cooling
kW 10 10
Btu/h 36000 36000
Heating
kW 11 11
Btu/h 37500 37500
Power
Input
Cooling kW 3.6 3.6
Heating kW 3.1 3.3
EER/COP W/W 2.78/3.55 2.78/3.33
Indoor Unit ICI-36 ICI-36
Power Supply ˉ 220-240V~/1 Ph/50HZ
Heat Exchange ˉ Cross Fin Coil
Fan
Type ˉ Centrifugal fan
Drive ˉ Direct Driver
Motor Output kW 0.06
Air Flow m3/h 1600 1800
Sound Pressure Level˄H/M/L˅ dB(A) 53/51 /48
Air Filter ˉ Standard washable synthetic
Drain Piping mm 32×3
Indoor Unit Dimensions
(Outline/Package) (W×H×D)
mm
840×320×840/
960×394×960
Panel Dimensions
(Outline/Package) (H×W×D)
mm
60×950×950/
115×1040×1025
Weight˄Net/Gross˅ kg 38/46
Outdoor Unit ULT-36 ULS-36
Power Supply ˉ 380-415V~/3Ph/50HZ 220-240V~/1Ph/50HZ
Heat Exchange ˉ Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.092×2
Fan Motor Speed(H/M/L) rpm 940/840/700
Compressor
Type ˉ SCROLL
Motor Output kW 3.65 3.8
Refrigerant
Type ˉ R410A
Control ˉ Capillary Tube
Charge kg 3.2
Dimensions (W×H×D)
(Outline/Package)
mm
1018× 840 ×412
1110 ×985×450
Weight˄Net/Gross˅ kg 90/100
Piping
Connections
Liquid mm 12.7
Gas mm 19.05
Max. Length m 50
Max. Height Difference m 30
U-MATCH AIR CONDITIONERS PRODUCT
18
Continued 2
Models
Indoor unit ICI-45 ICI-50
Outdoor unit ULT-45 ULT-50
Nominal
Capacity
Cooling
kW 12 14
Btu/h 42000 48000
Heating
kW 14 15.5
Btu/h 48000 53000
Power
Input
Cooling kW 4.8 5.8
Heating kW 5.0 6.2
EER/COP W/W 2.5/2.8 2.3/2.67
Indoor Unit ICI-45 ICI-50
Power Supply ˉ 220-240V~/1 Ph/50HZ
Heat Exchange ˉ Cross Fin Coil
Fan
Type ˉ Centrifugal fan
Drive ˉ Direct Driver
Motor Output kW 0.06
Air Flow m3/h 1650 1700
Sound Pressure Level˄H/M/L˅ dB(A) 53/ 51 /48
Air Filter ˉ Standard washable synthetic
Drain Piping mm 32×3
Indoor Unit Dimensions
(Outline/Package) (H×W×D)
mm
840×320×840/
960×394×960
Panel Dimensions
(Outline/Package) (H×W×D)
mm
60×950×950/
115×1040×1025
Weight˄Net/Gross˅ kg 38/46
Outdoor Unit ULT-45 ULT-50
Power Supply ˉ 380-415V~/3 Ph/50HZ
Heat Exchange ˉ Cross Fin Coil
Fan
Type  Axial fan
Motor Output kW 0.092×2
Fan Motor Speed(H/M/L) rpm 940/840/700
Compressor
Type ˉ SCROLL
Motor Output kW 4.75 4.5
Refrigerant
Type ˉ R410A
Control ˉ Capillary Tube
Charge kg 3.55 3.8
Dimensions (W×H×D)
(Outline/Package)
mm
950×1250×412/
1110 × 1385 ×450
Weight˄Net/Gross˅ kg 112/123
Piping
Connections
Liquid mm 12.7
Gas mm 19.05
Max. Length m 50
Max. Height Difference m 30
U-MATCH AIR CONDITIONERS PRODUCT
19
Note˖
ķ Nominal capacities are based on the follow conditions.
Indoor Outdoor Cooling DB˖27ć(80.6)
WB˖19ć(66.2)
DB˖35ć(95) WB˖24ć(75.2)
Heating DB˖20ć(68)
WB˖--ć(--)
DB˖7ć(44.6) WB˖6ć(42.8)
Piping Length
5m
ĸ The air volume is measured at the relevant standard external static pressure.
Ĺ Noise is tested in the Semianechoic room, so it should be slightly higher in the actual operation due to
environmental change.
4.2 Operation Range
Mode Range of Outdoor Temperatureć ()
Cooling 18ć-43ć
-7ć-43ć(with low Ambient kit)
Heating -7ć-24ć
U-MATCH AIR CONDITIONERS PRODUCT
20
4.3 Electrical Data
Model
Compressor Fan Motor
Max. Fuse
Breaker Size
(Indoor/Outdoor)
Min.
Disconnect Size
(Indoor/Outoor)
Power
Supply
Qty. LRA RLA
Condenser
Fan Motors
Supply
Blower
Motor
V, P h , H z ˉEach Each
FLA
Each
FLA
Each
Amperes Amperes
ULS-09
IDI-09
220-240
1
50
1 18 4.28 0.27
0.18 6/10 1/5.7
IDI-09 0.09 6/10 1/5.7
ULS-12
IDI-12
1 32 5.6 0.27
0.18 6/13 1/7.3
IKI-12 0.09 6/13 1/7.3
ICI-12 0.1 6/13 1/7.3
ULS-18
ICI-18
1 40 8.8 0.27
0.63 6/20 1.5/11.3
ICI-18 0.36 6/20 1/11.3
ICI-18 0.1 6/20 1/11.3
ULS-24
ICI-24
1 60 11.2 0.61
1.35 6/25 2.5/14.6
ICI-24 0.9 6/25 1.5/14.6
ICI-24 0.32 6/25 1/14.6
ULS-36
ICI-36
1 97 18.42 0.8
4.5 10/40 5.7/23.8
ICI-36 1.35 6/40 2.5/23.8
ICI-36 0.54 6/40 1/23.8
ULT-36
ICI-36
380-415~
3
50
1 67 6.58 0.8
4.5 10/16 5.7/9.1
ICI-36 1.35 6/16 2.5/9.1
ICI-36 0.54 6/16 1/9.1
ULT-45
ICI-45
1 66 8.22 0.8
4.5 10/20 5.7/11.1
ICI-45 1.35 6/20 2.5/11.1
ICI-45 0.54 6/20 1/11.1
ULT-50
ICI-50
1 59.4 8 0.8
4.5 10/16 5.7/10.8
ICI-50 1.62 6/16 2.5/10.8
ICI-50 0.54 6/16 1/10.8
ULT-60 ICI-60 1 67 9.77 0.8 4.5 10/20 5.7/13
Notes˖
RLA˖Rated load amperes
LRA˖Locked rotor amperes
FLA˖Full load current
U-MATCH AIR CONDITIONERS PRODUCT
21
5 PIPING DIAGRAM
INVENTOR COMMERCIAL AIR CONDITION U-MATCH AIR CONDITIONERS
22
CONTROL
U-MATCH AIR CONDITIONERS CONTROL
23
CONTROL
1 OPERATION FLOWCHART
1.1 Cooling/Dry Operation
U-MATCH AIR CONDITIONERS CONTROL
24
1.2 Heating Operation
U-MATCH AIR CONDITIONERS CONTROL
25
2 MAIN LOGIC
2.1 Cooling
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
H
When T
amb.Tpreset t
+1ć, the unit begins cooling operation and the compressor and the outdoor
fan are running; and the indoor fan is running at a set speed.
When T
amb.
tT
preset
-1ć, the unit is in the cooling shutdown state, and the compressor and the
outdoor fan stop running; and the indoor fan is running at a set speed.
When T
preset
-1ć˘T
amb.˘Tpreset
+1ć, the unit keeps in the operation state.
Cooling mode
Compressor
Outdoor fan
Indoor fan
4-way valve
Manual shutdown
Starting up
Operation at a set speed
Time
H grade
U-MATCH AIR CONDITIONERS CONTROL
26
2.2 Dry Mode
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
H
When T
amb.Tpreset
+2ć, the unit begins cooling operation and the compressor and the outdoor fan
are running; and the indoor fan is running at a low speed.
When T
amb.Tpreset
-2ć, the unit is in the cooling shutdown state and the compressor and the
outdoor fan stop running.
When T
prese
-2ć˘T
amb.˘Tpreset
+2ć, the unit is in the six-minute stop and four-minute operation
state, that is, the compressor runs for 6 minutes and then stops for 4 minutes, in such cycle
repeatedly; and the indoor fan operates at a low speed.
Compressor
Outdoor fan
Indoor fan
4-way valve
Dry Mode
Manual shutdown
Starting up
Operation at a low speed
H grade
Time
U-MATCH AIR CONDITIONERS CONTROL
27
2.3 Heating Mode
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
When T
amb.Tpreset
-1ć, the unit begins heating operation and the compressor and the outdoor fan
are running; and the indoor fan is running at a set speed according to cold fan prevention
conditions.
When T
amb.Tpreset
+1ć, the compressor and the outdoor fan stop running and the four-way valve
keeps energized; and the indoor fan is running according to afterheat blowing conditions.
When T
䇮
-1ć˘T
amb.˘Tpreset
+1ć, the unit keeps in the previous operation state.
Compressor
Outdoor fan
Indoor fan
4-way valve
Heating Mode
Manual shutdown
Starting up
Auxiliary heating
Operation at a
set speed
Operation under normal conditions
Operation in blowing
afterheat state
Cold blast prevention
Time
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