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8
SPECIFICATIONS
2.1.2
UD4-25, UD4-H25, UD4-HH25
COMPRESSOR DATA
UD4-25
UD4-H25
UD4-HH25
Capacity
acfm
95
90
78
Pressure @ Full Load
psig (bar)
125 (8.6)
150 (10.3)
175 (12.1)
Minimum Pressure
psig (bar)
60 (4.1)
70 (4.8)
70 (4.8)
Motor Output (60 Hz)
hp (kW)
25 (18.6)
25 (18.6)
25 (18.6)
Motor Speed
rpm
1,750
1,750
1,750
Motor Output @ Full Load
hp (kW)
25 (18.6)
27 (20.1)
27 (20.1)
Motor Output @ 100 psig
hp (kW)
22.2 (16.6)
TBD
TBD
Driven Rotor Coupling
Direct
Direct
Direct
Drive Ratio
1
1
1
Rotor Diameter
mm
108
108
108
COOLING DATA (AIR-COOLED)
UD4-25
UD4-H25
UD4-HH25
Fan Airflow
cfm
2,250
2,250
2,250
Maximum Duct Loss
inH
2
O
0.25
0.25
0.25
Aftercooler Approach
°F (°C)
15 (-9)
15 (-9)
15 (-9)
Heat Rejection
btu/hr (kW)
59,200 (17.3)
59,200 (17.3)
59,200 (17.3)
Lubricant Capacity SYS/SUMP
gallons (liters)
4.5 (17) / 3.5 (13 )
4.5 (17) / 3.5 (13 )
4.5 (17) / 3.5 (13 )
COOLING DATA (WATER-COOLED)
UD4-25
UD4-H25
UD4-HH25
Water Flow with 60°F Water
gpm (L/min)
3 (11.4)
3 (11.4)
3 (11.4)
Water Flow with 70°F Water
gpm (L/min)
3.7 (14.0)
3.7 (14.0)
3.7 (14.0)
Water Flow with 80°F Water
gpm (L/min)
5 (18.9)
5 (18.9)
5 (18.9)
Maximum Water Temperature
°F (°C)
85 (29)
85 (29)
85 (29)
Water Connection In-Out
NPT
3/4 - 3/4
3/4 - 3/4
3/4 - 3/4
NOTE: Supplied water pressure should be between 25-75 psig (1.7-5.2 bar).
SOUND DATA
UD4-25
UD4-H25
UD4-HH25
Air-Cooled (Open)
dba @ 1m
75
75
75
Air-Cooled (Enclosed)
dba @ 1m
68
68
68
Water-Cooled (Open)
dba @ 1m
73
73
73
Water-Cooled (Enclosed)
dba @ 1m
73
73
73
DISCHARGE PIPING
UD4-25
UD4-H25
UD4-HH25
Air-Cooled (Base-Mounted)
NPT
1
1
1
Water-Cooled (Base-Mounted)
NPT
1-1/2
1-1/2
1-1/2
Tank-Mounted (Tank End)
NPT
2
2
2
ELECTRICAL DATA
UD4-25
UD4-H25
UD4-HH25
Motor FLA @ 575V
amps
27.2
27.2
27.2
Motor FLA @ 460V
amps
34.0
34.0
34.0
Motor FLA @ 230V
amps
68.0
68.0
68.0
Motor FLA @ 208V
amps
75.2
75.2
75.2
Motor FLA @ 200V
amps
87.5
87.5
87.5
Summary of Contents for UD Series
Page 6: ...vi About This Manual ...
Page 12: ...4 Introduction ...
Page 42: ...34 Component Description ...
Page 52: ...44 Operation ...
Page 66: ...58 Troubleshooting ...
Page 74: ...66 Parts Catalog 8 5 COMPRESSOR FRAME AND DRIVE ASSEMBLY Figure 8 1 AS801 25UD 50UD VFD R00 ...
Page 76: ...68 Parts Catalog 8 6 CONTROL ASSEMBLY OPEN Figure 8 2 1072190415 609 R00 ...
Page 78: ...70 Parts Catalog 8 7 STARTER ASSEMBLY ENCLOSED Figure 8 3 AS802 405060 PANEL R03 ...
Page 94: ...86 Parts Catalog 8 15 COOLING ASSEMBLY AIR COOLED Figure 8 11 AS804 50UDAC INLINE R00 ...
Page 100: ...NOTES ...
Page 101: ...NOTES ...