IV404E Rev.000 SIEL S.p.A.
Issue date: 2017-06-05 Pag. 90 di 90 + FR
Inverter ON/OFF
UNCONDITIONAL inverter block
command (the command is
executed even if there is no by-
pass line).
The UPS only switches onto by-
pass if the by-pass line is present
(otherwise the load remains
unpowered).
This is done with the contact kept
closed; if reopened, the command
is cancelled.
Load unpowered in the event of a
mains outage.
To be used for non-critical loads,
the battery does not discharge
during a mains power failure.
Rectifier off
UNCONDITIONAL rectifier block command.
This is done with the contact kept
closed; if reopened, the command
is cancelled.
Shuts down the rectifier and
discharges the battery.
