Unirom Ups/Pfu Startup Procedures; Ups/Pfu Behavior With Custom Input/Output Connection Box For Unirom - Eaton 9355-F47 Unirom User Manual

Unirom UPS/PFU startup procedures

Startup for normal operating mode.
1. Make sure the EMO button has been released. For standard
2. Close CB­EMO.
3. Close CB1.
4. Close CB2 if internal battery or Ultracapacitors are used OR close
5. On UPS display, turn UPS on.
6. After UPS has been turned on, close CB3.
Additional steps if 24V EMO scheme is used:
1. Turn on the 22­26Vdc/Vac power supply. CB­EMO shall trip while
NOTE In a customer application, this 22­26Vdc/Vac source typically comes from the
distribution/load connected downstream of the UPS. When this 22­26Vdc/Vac source is lost
for any reason, the operator should cut­off all input and output power to /from the UPS.
UPS/PFU behavior with custom input/output connection
box for Unirom
Standard behavior under normal operating mode regardless of remote
EPO/EMO scheme.
NOTE Pushing EMO switch trips CB1, CB2 and CB3.
Eaton 9355-F47 Unirom UPS (10/15 kVA) User's Guide
Option 1: For 24V EMO scheme, connect 22­26Vdc/Vac source
across 24V EMO (TB4) terminal strip. Do not apply power to unit
yet.
Option 2: For standard REPO/REMO scheme, replace jumper on
remote EMO switch (TB5) terminal strip with a N.C. EMO switch.
REPO/REMO scheme, also ensure that the remote EMO switch
has been released (contact closed).
battery breaker in EBC if EBC is used.
the UPS operates normally. The EMO circuit is now active.
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