Gardner Denver RGD Series, Instruction Manual

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8
ENGINEERING DATA
SUCTION PRESSURE
Refrigerant Without Airflow
R-134a 31 psig
R-407c 60 psig
MODEL RGD75A1 RGD100A1 RGD125A1 RGD150A1 RGD200A4 RGD250A4 RGD300A4 RGD400A4 RGD500A4
SPECIFICATIONS
Rated Capacity1 - (scfm) 75 100 125 150 200 250 300 400 500
Inlet /Outlet Connections - (inches, NPT) 1 1 1 1 2 2 2 2 2
Dimensions
Height - (inches) 23.67 23.67 23.67
23.67 29.97 29.97 31.94 31.94
31.94
Width - (inches) 14.28 14.28 14.28
14.28 19.40 19.40 19.40 19.40
21.36
Length - (inches) 32.33 32.33 32.33
34.69 36.66 36.66 43.75 43.75
47.69
Net Weight - (lbs) 106 111 116
132 174 181 228 254
302
Shipping Weight - (lbs) 123 129 135
152 196 204 252 279
328
Power Supply - (V/Ph/Hz) 115/1/60 115/1/60 115/1/60
115/1/60 460/3/60 460/3/60 460/3/60 460/3/60
460/3/60
Refrigerant Compressor Capacity2 -
(BTU / hr)
4,320 5,000 5,000
9,754 17,224 17,224 21,425 28,052
28,040
Input Power - (kW) 0.52 0.65 0.68
0.91 1.81 1.92 2.48 3.09
3.18
Refrigerant Type R-134a R-134a R-134a
R-407c R-407c R-407c R-407c R-407c
R-407c
Charge3 - (oz) 16.9 18.7 20.5
26.5 31.7 40.6 38.8 44.1
63.5
1 Rated Flow Capacity - Conditions for rating dryers are in accordance with ISO 7183 (Option A2). Compressed air at dryer inlet: 100 psig (6.7 barg) and 100°F (38°C); ambient air
temperature: 100°F (38°C), operating on 60 Hz power supply.
2 Compressor capacity @ ASHRAE-T standard : 45°F evaporating temperature, 130°F condensing temperature, 95°F return temperature, 115°F liquid temperature, and 95°F ambient
temperature.
3 Refer to dryer data plate for refrigerant charge.
MINIMUM - MAXIMUM OPERATING CONDITIONS ALL MODELS
Min.-Max. Inlet Air Pressure (compressed air at inlet to dryer) 43.5 - 232 psig (3 - 16 barg)
Min.-Max. Inlet Air Temperature (compressed air at inlet to dryer) 45°F - 120°F (7°C - 49°C)
Min.-Max. Ambient Temperature 37°F - 110°F (3°C - 43°C)
NOTE: Continuous operation in the above maximum and minimum operation conditions is not allowable.
REFRIGERANT PRESSURE SWITCH SETTINGS
Fan Cycle Control
Fan Pressure Switch Setting
Model Refrigerant
Cut-In
(psig)
Cut-Out
(psig)
75-125 R-134a 199 psig 142 psig
150-500 R-407c 299 psig 213 psig
Refrigerant Compressor Control
High Pressure Switch Setting
Sensor Location Refrigerant Cut-In
Cut-Out
(psig)
Compressor Discharge R-407c
Manual
Reset
398 psig