Section 3
INSTALLATION
12
Do not install a water-cooled or an air- cooled/after-
cooled machine where it will be exposed to temper-
atures less than 32˚F.
3.3 SERVICE AIR PIPING
Service air piping should be installed as shown in
Fig. 3-1. A shut-off valve should be installed to iso-
late a machine from the service line if required. Also
notice that the service line should be equipped w ith
water legs and condensate drains throughout the
system.
3.4 COUPLING ALIGNMENT CHECK
In preparation for the factory test, the coupling sup -
plied with your machine is properly aligned for op-
eration. However, due to s hipping and handling, it
is necessary to re-check the coupling alignment.
Refer to coupling alignment procedure explained
in the maintenance section of this manual.
3.5 COOLANT FLUID LEVEL CHECK
This 24KT air compressor is also supplied with the
proper amount of 24KT coolant 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 should fall between the FULL and
ADD marks on the side of the sight glass.
3.6 MOTOR ROTATION DIRECTION CHECK
After the electrical w iring has been done, it is nec -
essary to check t he direction of the motor rotation.
This can be done by jogging the start-stop button
on the instrument panel. When looking at the motor
from the end opposite the compressor unit, the
shaft should be turning clockwise. If your motor
shaft is not t u rning clockwise, disconnect the pow-
er to the starter and exchange any two of the three
power input leads, then re-check rotation.
3.7 ELECTRICAL PREPARATION
Interior electrical wiring is performed a t the factory.
Required customer wiring is minimal, but should
be done by a qualified electrician in compliance
with OSHA, National Electrical Code, and any other
applicable local electrical code concerning isola-
tion switches, fused disconnects, etc. Sullair pro-
vided a wiring diagram for use by the installer.
A few electrical checks should be made to help as-
sure that the first start-up will be trouble free.
DANGER
Lethal shock hazard inside. Disconnect
all power at source, before opening or
servicing.
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. (See in-
strument panel and electrical parts in Section 6.)
3. Check all electrical connections for tightness.
4. ”DRY RUN” the electrical controls by disconnect-
ing the three (3) motor leads from the starter. En-
ergize the control circuits by pushing the start
button and check all protective devices t o be
sure that they will de-energize the starter coil
when activated.
5. Reconnect the three (3) motor leads and jog
the motor for a direction of rotation check, as ex-
plained in Section 3.6.
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