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5
4
EPO Port Connection
This optional feature is only for those applications
which require connection to a facility’s Emergency
Power Off (EPO) circuit. When the UPS is connected
to this circuit, it enables emergency shutdown of
the UPS's inverter.
Using the cable provided, connect the EPO port of
your UPS (see
4a
) to a user-supplied normally
closed or normally open switch according to the
circuit diagram (see
4b
). The EPO port is not a
phone line surge suppressor; do not connect a
phone line to this port.
Optional Installation
continued
Basic Operation
Buttons
“POWER” Button
• To turn the UPS ON: with the UPS plugged into a live AC wall outlet,* press
and hold the POWER button for one second.** Release the button. If utility
power is absent, you can “cold-start” the UPS (i.e.: turn it ON and supply
power for a limited time from its batteries***) by pressing and holding the
POWER button for one second.**
• To turn the UPS OFF: with the UPS ON and receiving utility power,
press and hold the POWER button for one second.** Then unplug the
UPS from the wall outlet. The UPS will be completely OFF.
* After you plug the UPS into a live AC outlet, the UPS will automatically charge its
batteries, but will not supply power to its outlets until it is turned ON. ** The alarm
will beep once briefly after the indicated interval has passed. *** If fully charged.
OPTION 1: USER SUPPLIED NORMALLY CLOSED SWITCH
OPTION 2: USER SUPPLIED NORMALLY OPEN SWITCH
RJ11
PLUG
5
4
3
2
NO CONNECTION
4-5 JUMPER
N.C. EPO SWITCH
RJ11
PLUG
5
4
3
2
NO CONNECTION
N.O. EPO SWITCH
4a
4b
201112099 931874.indb 5 12/28/2011 4:44:08 PM
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