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5
Optional Installation
Basic Operation
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.
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
Buttons
“ON/OFF/STANDBY” Button
• To turn the UPS ON: with the UPS plugged into a live AC wall
outlet,* press and hold the ON/OFF/STANDBY 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 ON/OFF/
STANDBY button for one second.**
• To turn the UPS OFF: with the UPS ON and receiving utility
power, press and hold the ON/OFF/STANDBY button for one sec-
ond.** 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 (in “Standby”
mode) 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.
18-08-322-932245.indb 5 5/3/2019 1:44:53 PM
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