Advantage OACS Series, Instruction Manual

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OACS Central Chillers : with MG Series Control Instrument
Page: 18
ADVANTAGE ENGINEERING, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-0729 Fax: 317-881-1277
Service Department Fax: 317-885-8683
Email: service@AdvantageEngineering.com
4. A customer supplied, four conductor cable is
required for connection to a customer supplied fused
disconnecting means. The fused disconnecting means
shall be sized and installed according to the unit’s
power supply requirements and local electrical codes.
(Some custom units may include a fused or non-fused
disconnect switch.)
5. Connect the four conductor power cable to the power
entry terminal block on the unit’s electrical panel.
Then connect the power cable to the fused disconnect
switch. There is no power entry hole into the electrical
cabinet. This allows the matching of the entry hole size
and location to the customer supplied fittings.
6. A unit specific electrical drawing is shipped with the
unit.
7. Voltage supplies must be /- 10% of the name plate voltage and must be
within 2% from leg to leg. Extreme voltage imbalance or using the wrong voltage
can damage your chiller and cause premature unit failure as well as a safety risk.
8. A proper ground is required for the unit.
B. CONTROL CIRCUIT WIRING
1. The unit’s supplied control circuit is 110 volt, 1 phase, 60 cycle.
2. The control circuit is supplied by the factory installed transformer. A control circuit
fuse is provided.
C. GENERAL
1. Make certain all ground connections to the unit are properly affixed.
2. Make certain power conductor, disconnecting means, and fusing are properly
sized according to the unit’s power supply requirements.
3. Follow all local and national codes.
4. Make certain that all owner and factory wire connections are tight before applying
power to the unit.
WARNING: Check that all electrical connections are tight before starting.
Disconnect power before servicing. Follow all facility lock-out tag-out procedures.
Typical data tag.