7
Minimum – Maximum Operating Conditions
25
35
50
75
100 / 125
150
Min.-Max. Inlet Air Pressure (compressed air at inlet to dryer)
30 psig (2.1 kgf/cm
2
) - 250 psig (17.6 kgf/cm
2
)
Max. Inlet Air Temp. (compressed air at inlet to dryer)
120
°
F (49
°
C)
Min.-Max. Ambient Temperature
Air-cooled 45
°
F (7
°
C) - 110
°
F (43
°
C) Water-cooled 45
°
F (7
°
C) - 130
°
F (54
°
C)
Refrigeration System Data
Compressor Type
Hermetic - Resistance Start, Induction Run - Non-Cycling
Refrigeration Compressor Horsepower
1/6
1/5
1/4
1/3
1/2
3/4
BTU/HR – Refrigeration Only
@ 35
°
F Evaporator & 100
°
F Ambient
60 Hz / 50 Hz
1010 / 842
1380 / 1150
2160 / 1800
2780 / 2317
4430 / 3692
6020 / 5017
Refrigerant Type
R-134a
R-134a
R-134a
R-134a
R-134a
R-134a
Refrigerant Charge
See dryer serial number tag
Suction Pressure Setting (controlled by hot gas by-pass valve)
31.5 psig
31.5 psig
31.5 psig
31.5 psig
31.5 psig
31.5 psig
Condenser Fan Switch Setting (in-out) (psig)
NA
NA
NA
NA
NA
110-70
Air Flow Across Condenser (cfm)
60 Hz / 50 Hz
105 / 98
235 / 196
275 / 229
220 / 183
350 / 292
530 / 440
Condenser Cooling Water Requirements (gpm @ 85
°
F)
NA
NA
NA
NA
NA
2.2 / 1.8
(water-cooled models only) (40 psig min. pressure)
Electrical
Nominal Voltages
115/1/60
Max.- Min. Voltage
127-104
127-104
127-104
127-104
127-104
127-104
Rated Load Amps
3.4
3.9
5.9
7.4
10.3
14.7
Locked Rotor Amps
18.0
22.0
28.0
35.0
48.0
66.3
Minimum Circuit Ampacity
4.0
4.7
7.3
9.1
12.4
18.3
Branch Circuit Fuse Size (amps)
15
15
15
15
20
25
Watts @ 35
°
F Evaporator & 100
°
F Ambient
280
290
465
600
815
1060
Resistance (ohms) Single phase Start C/S
---
---
---
---
---
3.15
Run C/R
---
---
---
---
---
0.416
Overload
Thermal & Current (Auto reset)
Nominal Voltages
208-230/1/60
Max.-Min. Voltage
253-187
253-187
253-187
253-198
253-187
253-198
Rated Load Amps
1.8
2.1
3.0
4.1
5.1
8.3
Locked Rotor Amps
8.5
13.7
14.4
19.0
23.0
33.5
Minimum Circuit Ampacity
2.2
2.6
3.7
5.1
5.2
10.5
Branch Circuit Fuse Size (amps)
15
15
15
15
15
15
Watts @ 35
°
F Evaporator & 100
°
F Ambient
280
290
470
600
815
1060
Resistance (ohms) Single phase Start C/S
---
---
---
---
---
7.92
Run C/R
---
---
---
---
---
1.55
Overload
Thermal & Current (Auto reset)
Nominal Voltages
220-240/1/50
Max.-Min. Voltage
264-198
264-198
264-198
264-198
264-198
264-198
Rated Load Amps
1.6
1.8
2.6
3.5
4.2
7.6
Locked Rotor Amps
8.7
10.7
14.5
15.2
21.0
53.0
Minimum Circuit Ampacity
2.0
2.2
3.2
4.4
5.2
9.9
Branch Circuit Fuse Size (amps)
15
15
15
15
15
15
Watts @ 35
°
F Evaporator & 100
°
F Ambient
223
257
395
507
669
930
Resistance (ohms) Single phase Start C/S
---
---
---
---
---
10.49
Run C/R
---
---
---
---
---
1.8
Overload
Thermal & Current (Auto reset)
ENGINEERING DATA
