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Section 4
INSTALLATION
Figure 4-1 Service Air Piping (Typical)
er amount of fluid. However, it is necessary to check
the fluid level at installation. The level is checked by
looking at the sight glass located on the sump. If the
sump is properly filled, the coolant level MAX
should fill 1/2 of the sight glass when the compres-
sor is running.
4.6 ELECTRICAL PREPARATION
Interior electrical wiring is performed at the factory.
Required customer wiring is minimal, but should be
done by a qualified electrician in compliance with
any applicable regional or local electrical code con-
cerning isolation switches, fuse disconnects, etc.
Sullair provides a wiring diagram for use by the
installer.
Lethal shock hazard inside.
Disconnect all power at source before opening or
servicing starter or control panel.
1. Check incoming voltage. Be sure that the incom-
ing voltage is the same voltage that the com-
pressor was wired for.
28
2. Check starter and overload heater sizes (see
electrical parts in Parts Manual).
3. Check all electrical connections for tightness.
4.7 MOTOR ROTATION CHECK
After the electrical installation has been done, it is
necessary to check the direction of motor rotation.
With the control system in MANUAL MODE, pull out
the EMERGENCY STOP button and press once,
quickly and in succession, the (START) "
and (STOP) "
start the motor for a very short time. When looking
at the motor rear end, the driveline should be rotat-
ing in the direction indicated by the "Direction of
Rotation" decal located on the top of the compres-
sor/motor adapter piece. If the reversed rotation is
noted, disconnect the power to the starter and
exchange any two of the three power input leads,
then re-check rotation. A "Direction of Rotation"
decal is located on the top of the compressor/motor
adapter piece.
" pads. This action will bump
"
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