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2.2.2 Installation
External battery connection (for extended model only )
1) Make sure battery quantity complies with the specs. Measure the voltage of
battery bank after finishing connection and the battery voltage should be around
192/216/240VDC. Don’t mix batteries with different capacity & brands and don’t
mix brand new and old batteries, either.
2) The breaker on battery cabinet should be off.
3) Take out the connection box and remove the cover of terminals, use multi-meter
to make sure there is no DC voltage at the battery terminals of the UPS.
4) Connect battery with positive pole, common pole and negative pole to battery
connector(BAT+,BATN,BAT-）, don’t reverse battery polarity.
CAUTION
It is recommended to connect or replace battery after switching off the system;
don’t reverse battery polarity when doing battery hot-swapping.
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