Gardner Denver VST110 Operating And Service Manual page 19

DISCHARGE SERVICE LINE - The discharge service line connection on both water-cooled and air-
cooled units is located at the center roof area 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 in the unit base flange.
It is mandatory that any water-cooled unit be installed in a shelter heated to
temperatures above freezing (40° F., 5° C).
Please refer to Section 6, page 50 of this manual for detailed instructions on the installation, operation
and maintenance of the water-cooled heat exchangers.
ELECTRICAL WIRING - The compressor package is (internally) factory wired for use with the voltage
specified on the order - it is only necessary to connect power supply and ground wires to the provided
wire blocks.
Electrical shock can cause injury or death. Open main disconnect switch,
lockout and tagout before working on control box.
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