Air-Cooled Screw Liquid Chillers with Variable Speed ... - Aireyork
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Air-Cooled Screw Liquid Chillers with Variable Speed ... - Aireyork

Air-Cooled Screw Liquid Chillers with Variable Speed ... - Aireyork

Air-Cooled Screw Liquid Chillers with Variable Speed ... - Aireyork

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Power Wiring - continued<br />

126<br />

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FIG. 3 – THREE COMPRESSOR WIRING DIAGRAM WITH CIRCUIT BREAKER – SINGLE POINT<br />

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1<br />

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VSD<br />

2<br />

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FIG. 4 – THREE COMPRESSOR WIRING DIAGRAM WITH TERMINAL BLOCK – SINGLE POINT<br />

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3 COMPRESSOR POWER WIRING CONNECTIONS<br />

VSD<br />

3<br />

VSD CONTROL PANEL<br />

STANDARD<br />

CONTROL<br />

TRANSFORMER<br />

LINE<br />

REACTOR<br />

TERMINAL<br />

BLOCK<br />

FIELD PROVIDED<br />

UNIT POWER<br />

SUPPLY<br />

UNIT CONTROLS<br />

EVAPORATOR HEATER<br />

GRD<br />

FAN<br />

CONTACTORS<br />

See Note 3<br />

JOHNSON CONTROLS

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