39INSTALLATION
4.5.1
4.5.2
Technical Data on page 6
CAUTION!
4.6 ELECTRICAL CONNECTIONS
All internal wiring is done at the Factory; however all electrical connections must be checked for tightness
NOTE! A certied electrician must install the compressor in accordance with the National Electric Code (NEC), local
electrical codes and Occupational Safety and Health Administration (OSHA) worker safety regulations. The
compressor must also be grounded properly in accordance with all applicable codes.
Three-phase supply power terminates at connections L1, L2, and L3 on the main compressor motor
contactor Make sure the
WARNING! Ensure a tight electrical and mechanical connection and verify there are no loose strands of wire sticking
out. The ground wire must be connected at the designated ground terminal lug inside the electrical panel
and securely tightened. For single phase power, the ground serves as the neutral for the 115 VAC supply.
Any conduit termination (or entrance into the starter enclosure) must be sealed properly to maintain the
original rating for the enclosure.
Machines with sound-reducing enclosures must have the power supply conduit routed continuously through
should be made with consideration of future needs to remove panels for maintenance or service without
4.7 FLUID LEVEL CHECK
showing ½ to ¾ full while the compressor
CAUTION!
4.8 DIRECTION OF ROTATION
CAUTION! Reverse rotation will cause damage that is not covered by the warranty.
NOTE! Rotation must be checked whenever the compressor has been moved to a new location or aer any change or
reconnection of the main electrical wiring.
The rotation of the drive coupling should
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