Powerware BPIV 15 kVA, Руководство по установке и эксплуатации

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4--7 Powerware BPIV Parallel Cabinet Installation and Operation
164201409 REV. B 101503
4.4.5 Single UPM Shutdown
To shutdown a single UPM, perform the following procedure:
NOTE: UPM can only be shutdown if remaining UPMs can support the critical load
without being overloaded.
1.
Press the System Control pushbutton on UPM to be shutdown. The System
Control screen appears.
2.
Select
PPU OFF
from the System Control menu on UPM to be shutdown.
The PPU status indicates SHUTDOWN.
The input, output, and battery contactors
open and the PPU is turned off.
3.
On the UPM, open Input circuit breaker CB1.
4.
On the UPM, open Battery circuit breaker CB2.
5.
If installed, open the Battery breakers on Battery cabinets.
6.
Open the UPM input and bypass (if dual feed) feeder circuit breakers.
NOTE: The monitor screen continues to be active until the UPM is isolated from the
critical bus.
WARNING:
Power is present inside the shutdown UPM cabinet due to internal batteries
and connection to the critical bus.
7.
If it is necessary to isolate the UPM from the critical bus, contact Customer
Service (refer to Getting Help in the Introduction to this manual).