IV432E Rev.01 SIEL S.p.A.
Installation and user manual
Date of issue: 2021-05-05
Pag.
16
of
50
+ FR
External battery connections for long-run units.
Note
͵
The BAT+ of the UPS connect poles is connected to the anode of the positive battery, the
BAT-N is connected to the cathode of the positive battery and the anode of the negative battery,
the BAT- is connected to the cathode of the negative battery.
Factory setting of the long-run unit is battery quantity---32pcs, battery capacity---12V40AH
(charger current 6A). When connecting 34/36/38/40 batteries, please re-set desired battery
quantity and its capacity after UPS starts at AC mode. Charger current could be adjusted
automatically according to battery capacity selected. All related settings can be done through
LCD panel or monitoring software.
CAUTION!
Ensure correct polarity battery string series connection. I.e.
inter-tier and inter block connections are from (+) to (-) terminals.
Don
’
t mix batteries with different capacity or different brands, or
even mix up new and old batteries, either.
WARNING!
Ensure correct polarity of string end connections to the Battery
Circuit Breaker and from the Battery Circuit Breaker to the UPS
terminals i.e. (+) to (+) / (-) to (-) but disconnect one or more
battery cell links in each tier. Do not reconnect these links and do
not close the battery circuit breaker unless authorized by the
commissioning engineer.