10
−
8
EATON
Powerware 9315 Parallel Capacity/Redundant System
164201150 Rev. E
www.powerware.com
10.3
Operation of SBM with
Powerware 9315−625 thru 9315−750 UPMs
10.3.1 Initial Setup
1.
Ensure the System Bypass Module (SBM) circuit breakers are manually
charged and set as follows:
System Output Breaker (CBS)
OPEN
System Bypass Breaker (CBP)
OPEN
Backfeed Protection Breaker (FBP)
OPEN
Maintenance Isolation Breaker (MIS)
CLOSED (optional)
Maintenance Bypass Breaker (MBP)
OPEN (optional)
2.
Ensure the UPS circuit breakers for all UPMs are set as follows:
UPS Input Breaker (CB1)
Open
UPS Battery Breaker (CB2) (MBB)
Open
UPS Output Breaker (CB3)
Open
3.
Ensure the Emergency UPM OFF PUSH TO RESET pushbuttons on the SBM
and all UPMs are pressed in.
NOTE:
When power is applied in the following step, circuit breakers CBS, CBP, and
FBP will charge, if not already charged.
4.
Close upstream UPM and SBM input feeder circuit breakers.
5.
Observe SBM monitor screen becoming active and Alarm and Notice
messages scrolling.
6.
Observe all UPM monitor screens become active as an indication of logic
power.
7.
Verify all UPMs are shown on the SBM mimic screen.
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