9
5.2 Engineering Data
Models
DHP130
DHP200
DHP300
DHP500
DHP750
DHP1000
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 (29.4°C)
Refrigeration System Data
Refrigeration Capacity @ 35°F Evaporator & 100°F Ambient (BTU/hr)
60 Hz
4820
6030
8900
15200
22000
30500
50 Hz
4020
5690
7420
12700
18300
25400
Refrigerant Type
R-134A
Refrigerant Charge
See Data Tag on Dryer
Suction Pressure Setting - Hot Gas Bypass Valve (psig)
30.5 psig (2.1 barg)
Compressor Control Ranges (out-in)
(both air-cooled and water-cooled models)
High
N/A
281 - 190 psig (19.4 - 13.1 barg)
Low
N/A
22 - 34 psig (1.5 - 2.3 barg)
Air-Cooled Condensers
Air Flow Across Condenser (cfm) (air-cooled models)
60 Hz
300
450
710
1070
1680
2170
50 Hz
250
370
590
890
1400
1810
Condenser Fan Switch Setting (in-out)
Fan 1
110 - 70 psig (7.6 - 4.8 barg)
113 - 78 psig (7.8 - 5.4 barg)
Fan 2
N/A
183 - 124 psig (12.6 - 8.6 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
N/A
1.3
2.1
3.0
3.6
50 Hz
N/A
1.2
2.0
2.8
3.3
Electrical Data
Nominal Voltage
115/1/60
208-230/3/60
Min. - Max. Voltage
104 - 127
187 - 253
Input Power @ Rated Flow (watts)
932
1280
1255
1962
2910
4120
Rated Load Amps**
10.2
13.0
7.5
10.4
13.9
22.1
Locked Rotor Amps**
51.0
70.0
51.0
66.0
88.0
115.0
Minimum Circuit Ampacity
13.6
18.0
10.5
15.9
19.7
30.4
Branch Circuit Fuse Size (amps)
20
25
15
20
30
45
Resistance (ohms)
4.3 S / 0.7 R
3.2 S / 0.4 R
1.8
1.3
1.0
0.7
Nominal Voltage
208-230/1/60
460/3/60
Min. - Max. Voltage
187 - 253
414 - 506
Input Power @ Rated Flow (watts)
932
1280
1255
1962
2910
4120
Rated Load Amps**
5.4
6.5
3.6
4.7
7.1
9.6
Locked Rotor Amps**
30.0
35.0
25.0
33.0
44.0
63.0
Minimum Circuit Ampacity
7.3
9.1
5.2
7.5
10.4
15.2
Branch Circuit Fuse Size (amps)
15
15
15
15
15
20
Resistance (ohms) Main/Start
9.0 S / 2.3 R
7.9 S / 1.6 R
7.4
5.0
4.0
2.7
Nominal Voltage
240/1/50
575/3/60
Min. - Max. Voltage
216 - 264
518 - 633
Input Power @ Rated Flow (watts)
680
1019
1255
1962
2910
4120
Rated Load Amps**
4.5
5.0
3.6
4.7
7.1
9.6
Locked Rotor Amps**
21.0
30.0
25.0
33.0
44.0
63.0
Minimum Circuit Ampacity
6.2
7.3
4.2
6.0
8.3
12.2
Branch Circuit Fuse Size (amps)
15
15
15
15
15
20
Resistance (ohms)
19.5 S / 3.3 R
10.5 S / 1.8 R
7.4
5.0
4.0
2.7
Nominal Voltage
N/A
380-420/3/50
Min. - Max. Voltage
N/A
342 - 462
Input Power @ Rated Flow (watts)
N/A
1002
1613
2040
2860
Rated Load Amps**
N/A
3.6
4.7
7.1
9.6
Locked Rotor Amps**
N/A
25.0
33.0
44.0
63.0
Minimum Circuit Ampacity
N/A
5.2
7.5
10.4
15.2
Branch Circuit Fuse Size (amps)
N/A
15
15
15
20
Resistance (ohms)
N/A
7.4
5.0
4.0
2.7
* For 60 Hz, 35°F Evaporator, 100°F Ambient; for 50Hz, 35°F Evaporator, 77°F Ambient
** Compressor Only