UPS user manual
Utilizzo dell’UPS
OMS02083 REV. A 15
and the load is switched to the bypass line (bypass operation). If the bypass line is not available
or is out of tolerance, the loads supply is interrupted as soon as the battery reaches the
discharge limit threshold (black-out).
As soon as the supply is restored, the rectifier will recharge the battery. In the standard
configuration, the loads are supplied again via static switch SSB when mains is available again.
The inverter is restarted when the battery has partially restored its capacity.
The system restart from the black-out condition can be customized based on the
requirements of the plant, in three different modes:
Bypass loads are supplied as soon as the bypass line is available (factory
configuration).
Inverter loads are supplied by the inverter (even if the bypass line is
available) when the battery voltage has reached a programmed
threshold, after the rectifier restart.
Man. Inverter the output supply is NOT restored automatically. The system
requires a confirmation to restart which can only be done manually
by the user via the front panel.
Picture 5 – Battery operation
3.3.5 Manual bypass
The manual bypass operation is necessary whenever the UPS functionality is tested, or
during maintenance or repair work.
Picture 6 – Manual bypass for functional checks
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