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Chapter 4, Applying power and operation, Applying power – Rockwell Automation 1608P HC-DySC Installation Instructions, 200 A User Manual

Page 15: Ch 4 - applying power and operation, Chapter

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Rockwell Automation Publication 1608P-IN004A-EN-P - September 2013

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.

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

Verify CBA circuit breaker is in the ON position before replacing covers.
Replace all covers. Close and lock cabinet doors.

Put bypass switch in the “BYPASS” position.

Put CBI circuit breaker in the ON position.

Apply power from the upstream branch protection device. Power will flow
directly to the load through the bypass switch. The HC-DySC
touchscreen will become active and display “System Offline” in the upper
left corner.

Verify output (load) voltage is present

Put bypass switch in the “TEST” position. The HC-DySC system will
become energized in this mode but the load will still be powered through
the bypass switch.

Ensure that the touchscreen displays “OK” in the upper left corner, with a
bar above that states “Sag Prot. Bypassed.” Ensure 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) place
the maintenance bypass switch in BYPASS and (2) call for technical
support.

Put the bypass switch in the “NORMAL” position. The load is now being
protected by the HC-DySC. The display should show “OK” in the upper
left corner.

NOTICE: Cycling HC-DySC input power in the sequence OFF--ON--OFF--ON within a one minute

period will cause a “Limit Cycle Timeout” alarm. In such case sag correction will be inhibited for

one minute, after which the alarm will automatically reset.

WARNING: This system is interlocked: Opening HC-DySC doors while the
system is in operation will result in loss of power to protected loads, unless the
bypass switch is in the Bypass mode (see HC-DySC SYSTEM OPERATION)