Applying power and operation, Chapter, Applying power – Rockwell Automation 1608P-200A480V... HC-DySC User Manual User Manual

Page 15

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Rockwell Automation Publication 1608P-UM005A-EN-P - November 2014

15

Chapter

4

Applying Power and Operation

Applying Power

Before applying power to the HC-DySC, make certain there are no metal
filings or any conductive debris in or on any components inside the
cabinet.

Verify HC-DySC voltage rating matches ac source voltage.

Verify all input/output wiring including grounding has been completed
and properly tightened.

Replace all covers. Close all cabinet doors.

Put CBI circuit breaker and CBO circuit breaker in the OFF position.
CBB circuit breaker closes automatically when upstream power is applied.

Apply power from the upstream branch protection device. Power flows
directly to the load through the CBB circuit breaker. The HC-DySC
touch screen becomes active and displays "System Offline" in the upper left
corner.

Verify output (load) voltage is present.

Wait for the HC-DySC to display "READY TO CLOSE CBI" in the
upper left corner of the touch screen. Rotate CBI circuit breaker to the
ON position. The HC-DySC electronics become energized in this mode
but the load is still powered through the CBB circuit breaker.

Verify that the touch screen displays "OK" in the upper left corner, with a
bar above that states "Sag Prot. Bypassed." Verify that the voltage, current,
and frequency readings in the status display are correct.

If a "Critical" or "Fatal" system event appears on the touch screen,(1) rotate
CBI circuit breaker to the off position (2) call for technical support.

Rotate CBO circuit breaker to the ON position. Press the red "CBB OFF"
push button. Verify that the red "CBB CLOSED" lamp is off. The load is
now being protected by the HC-DySC. The display shows "OK" in the
upper left corner.

IMPORTANT

Always use red "CBB OFF" pushbutton to open the CBB circuit breaker. Do not
use the red "Push OFF" button that is part of the CBB circuit breaker. For proper
operation of the HC-DySC, the CBB circuit breaker spring must be charged
(displays "Charged Spring") when the CBB circuit breaker is off. If the CBB
circuit breaker is off and displays "Discharged Spring", push the "CBB OFF"
pushbutton to charge the spring.

IMPORTANT

NOTICE: If the HC-DySC input power is cycled in the sequence OFF--ON--OFF--
ON within one minute, a “Limit Cycle Timeout” alarm. In such case sag
correction will be inhibited for one minute, after which the alarm will
automatically reset.

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