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Unsheltered (outside) installations should be avoided whenever possible. Installation next to a heated
building where enough heat can be used to keep the compressor room above freezing will save many
complications in the operation and installation of the unit.
Refer to Engineering Data Sheet 13-9-411, available from an authorized Gardner Denver distributor, for
the advantages of using the heat recovered from rotary compressors. This heat recovery could easily
pay for an adequate shelter for the unit.
AUXILIARY AIR RECEIVER
- An auxiliary air receiver is not required if the piping system is large and
provides sufficient storage capacity to prevent rapid cycling. An adequate receiver capacity for the VS
units is ½ gallon for each cfm delivered by the compressor package.
MOISTURE SEPARATOR/TRAP
- Since the unit is equipped with a built-in aftercooler, a combination
moisture separator and drain valve are furnished (loose) with the unit. The device must be piped at the
outlet of the compressor package during final installation.
CONTROL PIPING
- Control piping is not necessary since the Gardner Denver compressor package is
factory wired and piped for the control system specified.
INLET LINE
– The air filter assembly used in the VS compressor package is not suitable for relocation, as
its housing assembly is an integral part of the enclosure sheet metal components. See LOCATION
comments on this section of the manual for duct work recommendations to bring in ventilation air.
DISCHARGE SERVICE LINE
- The discharge service line connection on both water-cooled and air-
cooled units is located at the upper right-hand area of the intake grill side of the enclosure. Gardner
Denver compressor packages are inherently isolated from the service line by their own minimum
pressure/check valves. Installer or end user must ensure that other compressors that are piped into a
common pipe manifold with the Gardner Denver compressor package are each provided with an isolation
check valve. It is recommended that an additional receiver be installed between the rotary screw and
reciprocating compressors sharing a common pipeline. Do not install another check valve in the unit
’s
discharge line as operational upsets will occur.
Discharge air used for breathing will cause severe injury or death.
Consult filtration specialists for additional filtration and treatment equipment to
meet health and safety standards.
BLOW DOWN VALVE PIPING
– The blow down valve is vented between the air filter and inlet valve,
thus avoiding the need of any external pipe work.
WATER PIPING (Water-Cooled Heat Exchanger Models Only)
- On machines equipped with water-
cooled heat exchangers, the water inlet and outlet connections are located next to air discharge
connection.
Содержание AirSmart VS135A
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