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EXTRACTION
PRIOR TO THE INSERTION OF A BU ENSURE THAT THE SYSTEM IS NOT OPERATING ON
BATTERY MODE!
NOTE: when a BU is replaced, you must replace the other BU within the same A or B string.
To extract the BU from the cabinet, reverse the procedure described above. In brief:
1. Ensure that the SYSTEM IS NOT OPERATING ON BATTERY MODE
2. If present, remove the locking bracket and store it together with the fastening screws.
3. Carefully extract the BU from its housing. This operation requires two persons.
4. Caution: when the BU is not inserted, uncovered parts with dangerous voltage are present on the corresponding
backplane. Therefore, in the case where a new BU is not immediately inserted, install the supplied protection cover using
the dedicated screws.
BATTERY MAINTENANCE
WARNING: DANGEROUS VOLTAGE INSIDE
Never open the BU for any reason, if any anomaly is noted, contact your local service agent.
Batteries, in order to maintain a high efficiency and durability must be regularly charged using the Modular UPS System itself.
Batteries are subject to self-discharge. In the case where a BU or Battery Box are stored and not immediately installed, an
appropriate recharge must be planned.
To recharge the batteries, just connect the Battery Cabinet/Battery Box to a Modular UPS System in “NORMAL OPERATION” for
at least 24 hours.
For long storage periods, contact your local service agent.
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