Gardner Denver PUREAIR EWD99E, Руководство по эксплуатации и обслуживанию

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13-11-608 Page 8
The air-cooled unit requires cooling air as well as air to the compressor inlet. Proper ventilation MUST be
provided; hot air must be exhausted from the compressor operating area. A typical inlet-outlet air flow
arrangement is shown in Figure 2-1, page 8.
Air-Cooled Units - A combination water/aftercooler is supplied as standard equipment on all air-cooled
units. An air-cooled motor and fan are mounted on the cooling module. Air is drawn into the enclosure
through roof-mounted grills (main driver side of package), blown through the cooling cores, and
exhausted through roof-mounted grills (cooler side of package).
The air-cooled unit with the standard enclosure requires sufficient flow, Figure 2-2, page 8, for the
compressor water/aftercooling system and for electric motor cooling. Do not block the air flow to and from
the unit. Allow three and one-half (3-1/2) feet to the nearest obstruction on the control box end of the unit.
Allow three (3) feet to the nearest obstruction above and on other sides of unit. For continuous efficiency,
the heat exchanger and aftercooler cores must be periodically cleaned with either vacuum or compressed
air. If wet cleaning is required, shield the motor and spray on a mild soap solution, then flush with clean
water.
Figure 2-1 – TYPICAL COMPRESSOR ROOM
Minimum Air Flow * For Compression and Cooling
Cubic Feet/Minute (Cubic Meters/Minute)
HP (kW) Air-Cooled Water-Cooled
40 – 75 (30 – 56) 8000 (226) 2200 (62)
* 80
°
F (27
°
C) Inlet Air
Figure 2-2 – AIR FLOW CHART