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8
Optional Installation
3
External Battery Connection
(select models only)
Your UPS comes with a robust internal battery
system; external batteries are needed only to
extend runtime. Adding external batteries will
increase recharge time as well as runtime.
The illustration
3a
shows the location of your UPS
External Battery Connector, where you will insert
the battery pack cable. Complete installation
instructions for your battery pack appear in the
battery pack owner’s manual. Make sure that
cables are fully inserted into their connectors.
Small sparks may result during battery
connection; this is normal.
Do not connect or disconnect battery packs when
the UPS is running on battery power.
If you connect any external batteries, set the
Battery Charge Level Switch
3b
to the down
position. This will increase your UPS charger
output so that the additional batteries charge
faster.
Note: The switch to the right of the Battery Charge Level
Switch is inactive and will not affect UPS operation
regardless of its position.
Caution! DO NOT set the Battery Charge Level
Switch to the down position without an
external battery connected. There is a risk of
damaging the UPS’s internal battery system.
3a
3b
17-06-249-932406.indb 8 6/20/2017 4:49:15 PM
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