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Powerware 9315 Parallel Capacity/Redundant System with PHP SSBM
164201373 Rev. A 092402
10.3.10 Using the SSBM EMERGENCY UPM OFF Pushbutton
An SSBM Emergency UPM Off is initiated by the covered, red EMERGENCY UPM
OFF pushbutton o n the SSBM Control/Monitor Panel. T his pushbutton is
protected by a clear plastic shield to prevent accidental activation. In an
emergency, you can press this pushbutton to instantaneously control the UPM
and SSBM output. The SSBM EMERGENCY UPM OFF pushbutton functions
differently, depending on the Emergency Power Off (EPO) option specified when
ordered. The options available are as follows:
S The critical load is transferred to bypass and UPMs powered down.
UPM breakers C B1, CB2 (MBB) a nd CB3 open.
S Power to the critical load is de-energized and UPMs powered down.
UPM breakers remain CB1, CB2 (MBB) and CB3 open.
S The critical load is transferred to bypass and UPMs powered down.
UPM CB1 breakers trip and the UPM is cut off from utility power.
This function requires additional EPO kit available from Powerware.
S Power to the critical load is de-energized and UPMs powered down.
UPM CB1 breakers trip and the UPM is cut off from utility power.
This function requires additional EPO kit available from Powerware.
The SSBM (including Bypass) remains locked off until you reset the EMERGENCY
UPM OFF pushbutton.
To restart the UPS after pressing the EMERGENCY UPM OFF pushbutton, follow
the procedure “Resetting the Parallel Capacity/Redundant System after Emergency
UPM Off”, of this chapter, before starting the system.
NOTE: The Remote SSBM Eme rgency Power Off (REPO) option functions differently
than the SSBM EMERGENCY UPM OFF pushbutton on the SSBM control
panel. If activated, the REPO option will deenergize the critical load, power
down the UPMs and open UPM breakers CB1, CB2 (MBB), and CB3. The
Remote SSBM Emergency Power OFF (RE PO) option is n ot configurable to
transfer the critical load to bypass power, if activated.
10.3.11 To Use the SSBM EMERGENCY UPM OFF Pushbutton
1. Raise the clea r plastic shield covering the red SSBM EMERGENCY UPM OFF
pushbutton o n the SSBM Control Panel.
2. Press the EMERGENCY UPM OFF pushbutton.
Breakers open and close (you can hear them opening and closing) and the
Emergency UPM Off PUSH IN TO RESET pushbutton on the SSBM Control Panel
pops out.