3 – 22
VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391STG
Section 3 • Installation
Pre Start-Up
The following check list is to help prepare the equipment before the Vilter technician arrives at the jobsite. Vilter
recommends that a trained technician go through the following tasks. The operating manuals provided by Vilter can
be referenced for any type of questions or special instructions.
NOTICE
Each item below must be checked-off, signed and
returned to Vilter Service Department. Failure to do
so will “Null & Void” future warranty considerations.
Pre Start-Up Checklist
Name (Please Print):
Signature:
Company:
Vilter Sales Order Number:
Equipment Description:
Date
(M/D/Y):
1. The unit should be leveled and secured to the concrete pad foundation.
2. Proper electric supply and grounding need to be supplied to the unit. All power and control lines should be
wired to unit. Electric supply to be veri
fi
ed at each device requiring power.
3. Verify any type of level switches that are on a vessel before the compressor are hardwired and able to shut
off the compressor (should be wired to “Aux” on micro-controller and starter).
4. The suction and discharge line must be piped and properly supported independent of the unit.
5. The discharge stop and check valve is shipped loose and must be installed. During off periods, liquid can
condense in the line downstream of the discharge stop and check valve. It is recommended that the stop and
check valve be located horizontally to minimize the quantity of liquid that can accumulate downstream of the
check valve.
6. A dual safety relief valve is shipped loose for
fi
eld installation. A connection is provided on the oil separator
for the relief valve. Refer to ASME Code for proper sizing of relief valves and vent lines.
7. On water cooled oil coolers, the water lines must be connected to the front head of the oil cooler. Water
regulating and solenoid valves are recommended.
8. On air cooled oil coolers, the oil lines from the compressor must be connected to the air cooled oil cooler. Oil
cooler fans will need to be wired and checked for proper rotation. Refer to supplied GA drawing for connection
points and piping sizes.
(Continued on next page)
