7
SpecIfIcatIonS - models 20 thru 75
Description
Model
20
25
35
50
75
Operating Conditions
Rated Capacity
@125 psig, 8.8 kgf/cm
2
*
scfm
m
3
/min
60 / 50 Hz
60 / 50 Hz
20 / 17
0.57 / 0.48
25 / 21
0.71 / 0.59
35 / 27
0.99 / 0.76
50 / 50
1.42 / 1.42
75 / 61
2.12 / 1.7
Maximum Working Pressure
250 psig (17.6 kgf/cm
2
)
Maximum Inlet Temperature
180°F (82°C)
Min/Max. Ambient Temperature
35-110°F (2-43°C)
Pressure Drop @
rated capacity
psi
(kgf/cm
2
)
60 / 50 Hz
60 / 50 Hz
4.5 / 2.9
(0.32 / 0.20)
3.3 / 2.4
(0.23 / 0.17)
4.7 / 2.9
(0.33 / 0.20)
4.5 / 4.5
(0.32 / 0.32)
3.8 / 2.2
(0.27 / 0.15)
Refrigeration System Data
Compressor Type
Hermetic, Rotary, Permanent Split Capacitor
BTU/HR - Refrigeration Only
@ ASRE-T Conditions
60 / 50 Hz
8720 / 7043
12500 / 9970
Outlet Air Temperature
(nominal @ rated conditions)
155°F (68°C)
Refrigerant Type
R-407C
Refrigerant Charge
oz (grams)
60 / 50 Hz
See Dryer Serial Tag
Suction Pressure Setting
67 psig (4.7 kgf/cm
2
)
Factory Test (design) Pressure
high side/low side
330/178 psig (23.2/12.5 kgf/cm
2
)
Condenser Fan Switch Setting (in-out)
240-180 psig (16.9-12.7 kgf/cm
2
)
Air Flow Across Condenser
cfm
m
3
/min
60 / 50 Hz
60 / 50 Hz
280 / 235
(7.9 / 6.7)
620 /515
(17.6 / 14.6)
Electrical Data
Unit
VAC/phase/Hz
115/1/60
115/1/60
Minimum/maximum volts
98-127
Full Load AmpS (FLA)
8.7
12.6
Branch Circuit Fuse Size (amps)
15
20
Compressor
Volts/phase/Hz
115/1/60
Rated Load amps (RLA)
7.5
11.0
Locked Rotor amps (LRA)
44.0
67.0
Watts (input)
853
1220
Overload
Thermal and Current (Auto Reset)
Condenser fan motor
Volts/phase/Watts (output)
115/1/25
115/1/35
Full Load Amps (FLA)
1.2
1.6
Other Loads
Volts/amps/Watts
115/0.002/0.2
Unit
VAC/phase/Hz
220-240/1/50
220-240/1/50
Minimum/maximum volts
198-264
Full Load Amps (FLA)
3.4
6.0
Branch Circuit Fuse Size (amps)
15
Compressor
Volts/phase/Hz
220-240/1/50
Rated Load amps (RLA)
2.8
5.1
Locked Rotor amps (LRA)
18.6
28.0
Watts (input)
690
990
Overload
Thermal and Current (Auto Reset)
Condenser fan motor
Volts/phase/Watts (output)
220-240/1/18.3
220-240/1/25.6
Full Load Amps (FLA)
0.6
0.8
Other Loads
Volts/amps/Watts
220-240/0.002/0.4
* Capacity @ 180°F, 82°C inlet temperature, 160°F, 71°C inlet pressure dew point, 95°F, 35°C ambient temperature, 50°F, 10°C outlet pres-
sure dew point, and less than 5 psi, 0.35 kgf/cm
2
pressure drop.
