Borri UPSaver 1000 kVa, Operating Manual, Page: 96 / 185

UPSaver installation and start-up
OMH44149 REV. C 83
5.3 SHUT-DOWN PROCEDURE
It is advisable to shut-down the UPSaver system by using the emergency power off push-
button (EPO) and then proceed to open the general switches OCB, SBCB, BCB and RCB.
Operating the EPO push-button allows the control logic to stop the system in a controlled
manner, so that whatever operation will follow, it will be done in complete safety.
In case the EPO push-button is not installed, or the operator needs to operate in a different
way, proceed as indicated below.
1) Stop all power modules using, for each one of them, the procedure indicated at
paragraph 5.6.
2) Open the general switch OCB .
3) Open the general switch BCB .
4) Open the general switch RCB .
5) Open the general switch SBCB .
5.4 SWITCHING PROCEDURE TO MANUAL BYPASS
The load is transferred to Manual Bypass with no interruption of supply to the loads. In this
configuration, the system can be restarted via the return procedure from load on manual
bypass, without the need to de-energize the loads.
Manual bypass
To perform the switching procedure correctly, make sure no alarms are present on
the system.
During Manual Bypass the load is supplied directly by the input mains, therefore
continuous supply cannot be guaranteed to the loads.
1) Move the Bypass_SW selector to the BYPASS position.
2) Close the switch MBCB.
3) Stop all power modules using, for each one of them, the procedure indicated at
paragraph 5.6.
4) Open the general switch OCB .
5) Open the general switch BCB .
6) Open the general switch RCB .
7) Open the general switch SBCB .