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Po werware 9315 Maintenance Bypass Module 30-160kVA
164201177 Rev. C 041500
From Maintenance Bypass to UPS Bypass:
1. Confirm BIBs, if installed, are closed.
2. Transfer UPS to Bypass mode (see UPS Operation manual).
NOTE: For Parallel R edundant systems, transfer both UPS modules to
Bypass mode.
3. Depress pushbutton on the Solenoid Key Release Unit (SKRU). Turn and
remove key “A”.
4. Insert key “A” into MIS lock, retract bolt, close MIS breaker. Remo ve key “B”.
CAUTION:
Failure to close MBP breaker results in loss of power to the critical load.
5. Insert k ey “B” into MBP lock, open MBP breaker, extend bolt. Remove key “A”.
6. Insert key “A” into solenoid and turn key to LOCK position.
7. SeeUPSOperationmanualtoplaceUPSinNormalmode.
WARNING:
Dangerous and potentially lethal voltages are present within the UPS enclosure.
When maintenance or repair activities are to be performed, the UPS and the UPS
Bypa ss power sources should be deenergized and verified with a meter before
working in the required area.
WARNING:
UPS equipment has power feeds that are derived from two or more power
sources.