Powerware 9315s User Manual
Page 62
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7--10
Powerware 9315 Parallel Capacity/Redundant System with PHP SSBM
164201373 Rev. A
092402
7.3
Optional Modes of Parallel Operation:
Maintenance Bypass and Redundant CBP
There are two optional modes of operation in this Parallel Capacity/Redundant
system:
•
In
Maintenance Bypass mode (optional), the SMB bypass supplies the load and
isolates the SSBM and UPMs for maintenance purposes.
•
In
Redundant CBP mode (optional), if the CBP breaker fails to close during a
manual or automatic operation, the SSBM automatically closes the MBP
breaker to maintain power to the critical load.
The following descriptions provide the Parallel Capacity/Redundant system
optional operating mode differences.
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