Electrical Preparation - Sullair TSR32 User Manual

SECTION 4
4.7

ELECTRICAL PREPARATION

Interior electrical wiring is installed at the factory.
Required customer wiring should be done by a
qualified electrician in compliance with OSHA,
National Electric Code and/or any applicable local
electrical codes. Customer to supply power via cam-
lock located on end of enclosures. An electrical
check should be made to ensure that the first start-up
will be successful. The compressor and drive should
be properly grounded/earthed in accordance with
applicable codes, regulations, and requirements.
Feeder cables should be sized by the customer/
electrical contractor to ensure that the circuit is
balanced and not overloaded by other electrical
equipment. The length of wiring from a suitable
electrical power source is critical because voltage
drops can adversely effect the performance of the
compressor. Refer to Table 4-2:Motor Wiring Basic
Data.
Table 4-2: Motor Wiring Basic Data
480 V 40 C
HP (I low) Current I
low OL
MAX 300 HP 385
Phase Wire GND
MCM Conductor
2x300 300MCM
TSR32 USER MANUAL R00
Parallel feeder cable connections to incoming
terminal cam-locks L1-L2-L3 should be tight and
clean. These are located on end of package. Behind
the access door located above the cam-loks is the
package circuit breaker disconnect, supplied for
additional safety.
The applied voltage must conform to the motor and
compressor data plate ratings.
WARNING
Energized internal components are a poten-
tially FATAL SHOCK HAZARD. Disconnect
all power before performing any work on the
1. Check incoming voltage. The incoming
rating/specifications.
2. Check motor starting device and overload
heater sizes.
3. Check all electrical
tightness.
connections for
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