8
Models
4
6
7.5
10
Air System Data
Maximum / Minimum Inlet Air Pressure (compressed air at inlet to dryer)
725 psig (50 barg) / 15 psig (1.0 barg)
Maximum / Minimum Inlet Air Temperature (compressed air at inlet to dryer)
120°F (49°C) / 40°F (4°C)
Maximum / Minimum Ambient Temperature
Air-cooled: 110°F (43°C) / 40°F (4°C), Water-cooled: 130°F (54°C) / 40°F (4°C)
Outlet Air Temperature (nominal at rated conditions)
85°F (29°C)
Refrigeration System Data
Refrigeration Capacity @ Rated Flow (BTU/hr)*
60 Hz
42,140
57,310
69,370
92,550
50 Hz
41,400
58,000
70,900
93,300
Refrigerant Type
R-404a
Refrigerant Charge
See Data Tag on Dryer
Suction Pressure Setting
78 psig (5.4 barg)
Compressor Control Ranges (out-in) (air-cooled models)
High
450 - 350 psig (31.0 - 24.1 barg)
Low
84 - 67 psig (5.8 - 4.6 barg)
Compressor Control Ranges (out-in) (water-cooled models)
High
320 - 280 psig (22.1 - 19.3 barg)
Low
84 - 67 psig (5.8 - 4.6 barg)
Air-Cooled Condensers
Air Flow Across Condenser (cfm)
60 Hz
3,400
4,230
5,300
4,900
50 Hz
2,830
3,530
4,420
4,080
Condenser Fan Switch Setting (in-out)
Fan 1
300 - 230 psig (21 - 16 barg)
Fan 2
N/A
325 - 255 psig (22 - 18 barg)
Water-Cooled Condensers
Water Regulating Valve Setting
135 psig (9.3 barg)
Required Available Water Pressure Differential
40 psig (2.8 barg) - minimum
Flow Required with 85°F Cooling Water (gallons per minute)
60 Hz
12
14
21
27
50 Hz
10
12
18
23
Electrical Data
Nominal Voltage
230/3/60**
Min. - Max. Voltage
207 - 253
Input Power @ Rated Flow (watts) *
5,010
7,710
9,710
14,400
Minimum Circuit Ampacity
25.4
28.0
48.0
63.0
Maximum Overcurrent Protector (amps)
40
45
75
100
Compressor Rated Load Amps
8.2
9.3
15.7
21.1
Compressor Locked Rotor Amps
49.5
70.0
99.0
127.0
Compressor Winding Resistance (ohms)
3.64
2.27
1.41
1.02
Nominal Voltage
460/3/60
Min. - Max. Voltage
414 - 506
Input Power @ Rated Flow (watts) *
5,010
7,710
9,710
14,400
Minimum Circuit Ampacity
12.7
14.0
24.0
31.5
Maximum Overcurrent Protector (amps)
20
20
35
50
Compressor Rated Load Amps
8.2
9.3
15.7
21.1
Compressor Locked Rotor Amps
49.5
70.0
99.0
127.0
Compressor Winding Resistance (ohms)
3.64
2.27
1.41
1.02
Nominal Voltage
575/3/60**
Min. - Max. Voltage
518 - 633
Input Power @ Rated Flow (watts) *
5,010
7,710
9,710
14,400
Minimum Circuit Ampacity
10.2
11.2
19.2
25.2
Maximum Overcurrent Protector (amps)
15
15
30
40
Compressor Rated Load Amps
8.2
9.3
15.7
21.1
Compressor Locked Rotor Amps
49.5
70.0
99.0
127.0
Compressor Winding Resistance (ohms)
3.64
2.27
1.41
1.02
Nominal Voltage
380-420/3/50
Min. - Max. Voltage
342 - 462
Input Power @ Rated Flow (watts) *
3,590
5,380
7,120
10,400
Minimum Circuit Ampacity
12.7
14.0
24.0
31.5
Maximum Overcurrent Protector (amps)
20
20
35
50
Compressor Rated Load Amps
8.2
9.3
15.7
21.1
Compressor Locked Rotor Amps
49.5
70.0
99.0
127.0
Compressor Winding Resistance (ohms)
3.64
2.27
1.41
1.02
* For 60 Hz, 35°F Evaporator, 100°F Ambient; for 50Hz, 35°F Evaporator, 77°F Ambient
** 230/3/60 and 575/3/60 units use equipment transformers on incoming power. Compressor and fan voltage is 460/3/60.
ENGINEERING DATA