Section 4
INSTALLATION
42
the proper 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 fluid level
should fall at the center of the sight glass.
4.6 MOTOR ROTATION DIRECTION CHECK
After the electrical wiring has been done, it is nec-
essary to check the direction of the motor rotation.
This can be done by jogging the START and STOP
buttons on the control panel. When looking at the
motor from the end opposite the vacuum unit, the
shaft should be turning clockwise. If your motor
shaft is not turning clockwise, disconnect the power
to the starter and exchange any two of the three
power input leads at the incoming side of the
starter, then re-check rotation. A "Direction of
Rotation" decal is located on the adapter between
the motor and vacuum unit to insure correct
motor/unit rotation.
4.7 ELECTRICAL PREPARATION
Interior electrical wiring is performed at the factory.
Required customer wiring is minimal, but should be
done be a qualified electrician in compliance with
OSHA, National Electrical Code, and any other
applicable local electrical code concerning isolation
switches, fused disconnects, etc. Sullair provides a
wiring diagram for use by the installer.
A few electrical checks should be made to help
assure that the first start-up will be trouble free.
1. Check incoming voltage. Be sure that the incom-
ing voltage is the same voltage that the machine
was wired for.
2. Check starter and overload heater sizes.
3. Check all electrical connections for tightness.
4. "DRY RUN" the electrical controls by disconnect-
ing the three (3) motor leads and the three (3)
fluid pump motors from the starter. Energize the
control circuits by pushing the START button
and check all protective devices to be sure that
they will de-energize the starter coil when acti-
vated.
5. Reconnect all motor leads and jog the motor for
a direction of rotation check, as explained in
Section 4.6.
4.8 RUPTURE DISK
To preclude shipping damage, machines will be
shipped with the rupture disk packed in the starter
panel. Remove and install between the two (2) 2"
flanges provided on the side of the sump tank.
When performing maintenance on disk, consult
Table 4C - Dimensions and Torque Guide for torque
specifications.
Lethal shock hazard inside.
Disconnect all power at source, before
opening or servicing.
Table 4C - Dimension and Torque Guide
Disk
Size
Max Disk
Burst Rating
Diameter (in) ft.lbs.
2 290 5/8 29
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