23
ENGINEERING DATA
Model
1000
1250
1500
1750
2000
2500
3000
Air System Data
Rated Air Flow at 100°F & 100 psig Inlet, 100°F Ambient (scfm)
60 Hz, a-c
1000
1250
1500
1750
2000
2500
3000
60 Hz, w-c
1150
1438
1725
2013
2300
2875
3450
Rated Air Flow at 95°F & 100 psig Inlet, 77°F Ambient (scfm)
50 Hz, a-c
1060
1325
1590
1855
2120
2650
3180
50 Hz, w-c
1070
1338
1605
1873
2140
2675
3210
Minimum / Maximum Inlet Compressed Air Pressure
30 / 232 psig (2.1 / 16.0 barg)
Minimum / Maximum Inlet Compressed Air Temperature
40° / 120°F (4° / 49°C)
Minimum / Maximum Ambient Temperature
a-c
40° / 110°F (4° / 43°C)
w-c
40° / 130°F (4° / 54°C)
Outlet Air Temperature (nominal at rated conditions)
85°F (29°C)
Refrigeration System Data
Compressor Type
Hermetic Reciprocating
Refrigeration Compressor Horsepower
4
5
7
8
8
10
13
Refrigeration Capacity @ Rated Flow (BTU/hr)*
60 Hz, a-c
42,300
52,700
65,700
78,400
78,400
98,800
125,700
50 Hz, a-c
46,500
58,100
73,400
87,600
87,600
112,900
140,200
Refrigerant Type
R-404A
Refrigerant Charge
See Data Tag on Dryer
Suction Pressure Setting - Hot Gas Bypass Valve
78 psig (5.4 barg)
Compressor Pressure Switch Setting (cut out / cut in)
High, a-c
450 / 350 psig (31.0 / 24.1 barg)
High, w-c
320 / 250 psig (22.1 / 17.2 barg)
Low
47 / 64 psig (3.2 / 4.4 barg)
Air-Cooled Condensers
Air Flow Across Condenser (cfm)
60 Hz
4,200
4,200
7,300
7,300
7,300
7,300
14,600
50 Hz
3,500
3,500
6,100
6,100
6,100
6,100
12,200
Condenser Fan Switch Setting (in-out)
Fan 1
300 / 230 psig (20.7 / 15.9 barg)
Fan 2
N/A
325 / 255 psig (22.4 / 17.6 barg)
Water-Cooled Condensers
Water Regulating Valve Setting
255 psig (17.6 barg)
Minimum Water Pressure Differential
40 psig (2.8 barg)
Cooling Water Flow with 85°F (gpm)*
60 Hz
8.3
10.3
12
14
16
20
24
50 Hz
7.7
9.6
11
13
15
19
22
Notes
* 60 Hz: 35°F Evaporator & 100°F Ambient; 50 Hz: 35°F Evaporator & 77°F Ambient
