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1. Outdoor Unit
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2
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4
5
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8
9
3WAY VRF SYSTEM Unit Specifications
Unit Specifications (2)
Outdoor unit
MODEL
U-120MF2U9
U-144MF2U9
Performance test condition
AHRI Standard 1230
AHRI Standard 1230
Nominal
Cooling capacity
Btu/h (kW)
120,000 (35.2)
144,000 (42.2)
Heating capacity
Btu/h (kW)
135,000 (39.6)
162,000 (47.5)
Rating
Standard
AHRI 1230
Indoor unit
Ducted (Type F2)
Ducted (Type F2)
Cooling
Capacity
Btu/h
114,000
138,000
EER
11.7
11.7
IEER
22.4
22.0
SCHE
29.1
28.0
High Heating
47F
Capacity
Btu/h
129,000
154,000
COP
3.69
3.26
Low Heating
17F
Capacity
Btu/h
93,000
100,000
COP
2.51
2.42
Power supply
Ø, V/Hz
3Ø 208/230V 60Hz
3Ø 208/230V 60Hz
Electrical
Ratings
Outdoor
Unit only
Voltage
V
208 / 230
208 / 230
Ducted cooling
Amperes
A
25.8 / 23.6
30.7 / 28.0
Power input
kW
8.73 / 8.73
10.5 / 10.5
Power factor
%
94 / 93
95 / 94
Ducted
heating
Amperes
A
27.3 / 24.9
37.1 / 33.9
Power input
kW
9.34 / 9.34
12.7 / 12.7
Power factor
%
95 / 94
95 / 94
Starting amperes
A
1 / 1
1 / 1
Min Circuit Ampacity
A
47
49
Max Overcurrent Protection
A
60
70
Design Pressure
High side
psi
484
484
Low side
psi
236
236
Operation sound
dB(A)
57.5 (Quiet mode : 54.5)
58.0 (Quiet mode : 55.0)
Compressor
Type/Quantity
Inverter driven Rotary × 2
Inverter driven Rotary × 2
Motor output
kW
4.5 + 4.5
5.6 + 5.6
Refrigeration oil
Type
FV68S (Ether oil)
FV68S (Ether oil)
Charge amount gal(liters)
1.53 (5.80)
1.53 (5.80)
Crankcase heater
W
30 + 30 (at 230 V)
30 + 30 (at 230 V)
Capacity control range
%
13 - 100
11 - 100
Fan
Type/Quantity
Propeller × 1
Propeller × 1
Air flow
CFM
9,000
9,000
External static pressure
Pa (in. WC)
0 ~ 80 (0 ~ 0.32)
0 ~ 80 (0 ~ 0.32)
Fan motor output
W / Pole number
750 / 8
750 / 8
Refrigerant amount at shipment
lbs. , oz (k
g
)
R410A/ 18.3, 293 (8.3) *
1
R410A/ 18.3, 293 (8.3) *
1
Refrigerant control
Electronic expantion valve
Electronic expantion valve
Defrost method
Reverse-cycle defrost
Reverse-cycle defrost
Coil face area:(sq. ft.) / Number of rows
37.8 / 3
37.8 / 3
High pressure switch
Yes
Yes
Overcurrent (CT Method)
Yes
Yes
External finish
Polyester powder double coating
Polyester powder double coating
Product dimension
Height
inch (mm)
72-33/64 (1842)
72-33/64 (1842)
Width
inch (mm)
46-29/64 (1180)
46-29/64 (1180)
Depth
inch (mm)
39-3/8 (1000)
39-3/8 (1000)
Packing dimension
Height
inch (mm)
77-53/64 (1977)
77-53/64 (1977)
Width
inch (mm)
50-25/64 (1280)
50-25/64 (1280)
Depth
inch (mm)
43-5/16 (1100)
43-5/16 (1100)
Weight
NET lbs(k
g
)
752 (341)
756 (343)
GROSS lbs(k
g
)
787 (357)
791 (359)
Layers limit
1
1
Operation condition
(Outdoor)
Cool
°F/°C DB
14 ~ 122 / -10 ~ 50
14 ~ 122 / -10 ~ 50
Heat
°F/°C DB
-13 ~ 75 / -25 ~ 24
-13 ~ 75 / -25 ~ 24
°F/°C WB
-13 ~ 64 / -25 ~ 17.8
-13 ~ 64 / -25 ~ 17.8
Heat & Cool
°F/°C DB
14 ~ 75 / -10 ~ 24
14 ~ 75 / -10 ~ 24
°F/°C WB
- ~ 64 / - ~ 17.8
- ~ 64 / - ~ 17.8
PIPING
Pipe diameter inch (mm)
(Over 295 ft(90m) for ultimate Indoor unit.)
(Liquid) 3/8 (9.52) (Discharge) 5/8 (15.88)
(Suction) 3/4 (19.05) (Balance) 1/4(6.35)
((Liquid) 1/2 (12.7) (Discharge) 3/4 (19.05)
(Suction) 7/8 (22.22)) *
2
(Liquid) 3/8 (9.52) (Discharge) 3/4 (19.05)
(Suction) 7/8 (22.22) (Balance) 1/4(6.35)
((Liquid) 1/2 (12.7) (Discharge) 7/8 (22.22)
(Suction) 1-1/8 (28.58)) *
2
Connecting method
flared (Liquid, Balance),
brazing (Discharge, Suction)
flared (Liquid, Balance),
brazing (Discharge, Suction)
Pipe length range Ft(m)
- ~ 1640 ( - ~ 500)
- ~ 1640 ( - ~ 500)
Indoor unit & Outdoor unit height difference
(Outdoor unit upper / Outdoor unit lower) Ft (m)
164 / 131 (50 / 40)
164 / 131 (50 / 40)
The number of the indoor unit most connection
24
28
Primary accessories
Connection tubing (ID Ø3/4”-OD Ø7/8”)
Connection tubing (ID Ø1”-OD Ø1-1/8”)
Connection tubing (ID Ø3/4”-OD Ø7/8”)
Connection tubing (ID Ø1”-OD Ø1-1/8”)
Color (Munsell code)
Ivory (2.6Y7.6/1.1)
Ivory (2.6Y7.6/1.1)
*1 It’s necessary to charge additional refrigerant of 70.5 oz (2.0 k
g
) per one outdoor unit.
*2 If the longest tubing equivalent length exceeds 295 ft. (90m), increase the sizes of the main tubes by 1 rank for suction tubes,discharge tubes
and liquid tubes.
TD831183-00_北米向け3WAY.indb 3
2015/12/10 19:35:47
Содержание U-120MF2U9
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Страница 101: ...5 1 1 2 3 4 5 6 7 8 9 Test Run Contents 5 TEST RUN Refer to the SERVICE MANUAL TEST RUN SERVICE MANUAL SM830246 ...
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Страница 111: ...Electrical Data 6 9 1 Outdoor Unit 1 2 3 4 5 6 7 8 9 Electrical Data 6 2 1 Outdoor Unit Schematic Diagram U 144MF2U9 ...
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