Section 4
INSTALLATION
30
the sump is properly filled, the fluid level should be
visible in the sight glass.
4.6 MOTOR ROTATION DIRECTION CHECK
Pull out the EMERGENCY STOP button and press
once, quickly and in succession, the (START)
and (STOP) pads. This action will bump start
the motor for a very short time. Verify proper rota-
tion by observing the motor shaft during start-up.
The shaft should rotate in the same direction as
indicated by the rotation decal located on the motor
adapter. If the motor shaft is not turning in the prop-
er direction, disconnect power to the compressor
and exchange any two of the three power-input
leads, then recheck rotation.
An alternative to this procedure is to set the
Supervisor to display P1. Pull out the EMER-
GENCY STOP button and press once, quickly and
in succession, the (START) and (STOP)
pads. This action will bump start the motor for a
very short time. If motor rotation is correct there will
Figure 4-1 Service Air Piping (Typical Installation)
Motor rotation check must be made at compres-
sor start-up. Remove compressor panel as need-
ed to view motor rotation.
After the electrical wiring has been done, it is
necessary to check the direction of the motor
rotation.
Do not overfill.
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