Section 4
INSTALLATION
24
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.
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.
2. Check starter and overload heater sizes (see
Electrical Parts in Parts Manual).
3. Check all electrical connections for tightness.
4. “DRY RUN” the electrical controls by disconnect-
ing the three (3) motor leads from the starter.
Pull out the EMERGENCY STOP button on the
control panel and press .
Since some solid state starters have built-in power
monitoring, a dry run will only indicate compres-
sor overload when machine has this type of
starter.
5. Reconnect the three (3) motor leads and jog the
motor for a direction of rotation check, as
explained in Section 4.7.
4.7 MOTOR ROTATION DIRECTION CHECK
After the electrical wiring has been done, it is nec-
Figure 4-1 Service Air Piping (Typical Installation)
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