If the support time is not measured due to local conditions or regulations, we
recommend the prophylactic replacement of the accumulators every other year
to avoid any risk of insufficient autonomous time (support time) caused by de-
generated accumulators.
If the UPS internally identifies a defective accumulator, an operation message is
sent.
In addition, the fans and ventilation ducts of the device should be inspected reg-
ularly and cleaned, if needed, to ensure full output power. The frequency of the
inspection and cleaning depends very much on the environment of the equip-
ment (key word: dust).
12.2 Replacing components / accumulators
The replacement of accumulators and possibly other UPS components must on-
ly be performed by personnel from EFFEKTA Regeltechnik GmbH or an accred-
ited service center.
During the replacement of the accumulators and other UPS components, the
loads are directly connected to the mains power supply via an external bypass
whereby other support functions of the UPS cannot occur at this time. Power
failures and other grid disturbances are directly transferred to the loads.
The UPS is essentially capable of a “HOT PLUG.” This means that the battery
bank can be replaced during ongoing operation. This is generally not a problem
for an external battery bank. However, when replacing an internal battery bank,
it is more reasonable to switch the system off and replace the battery bank. In
that case, if problems should arise, this possibly influences the supply of the
loads.
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