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SALICRU
•
If everything is correct, proceed. Press the ‘OFF’ button on
all of the UPSs for more than 2 seconds and each of them
will begin to shut down the device.
Turn the output circuit breakers on the distribution board
to ‘On’. The output terminals on the board will be under
potential through the static bypass of the devices, the same
potential as the manual bypass line.
•
Turn the manual bypass switch or disconnector on the
distribution board to ‘Off’ and reposition the mechanical
lock to prevent possible accidents
•
To prevent incorrect operations, it is necessary to fit
the mechanical lock and the covers of the manual
bypass mechanisms and their fixing screws.
•
Press the ‘ON’ button on all of the UPSs for more than 2
seconds and each of them will start up, in order to finally
leave the system in parallel operation in ‘Normal mode’.
•
The load or loads are again protected by the parallel system.
6.5. HOW TO REPLACE A FAULTY UPS IN AN
OPERATIONAL PARALLEL SYSTEM.
•
The steps to follow to replace a UPS in a system consisting
of two or three units are the same as those for incorporating
a device, except for the difference in the type of action to
be carried out. Proceed therefore as described in section
