Single Upm Shutdown; Sbm Shutdown To Bypass - Eaton Powerware 9315 Installation And Operation Manual

10.2.4

Single UPM Shutdown

NOTE: If system is not redundant, UPM can not be shutdown using this procedure.
1.
On UPM, turn the MODE switch to BYPASS.
2.
On SBM monitor screen, verify UPS OFF message appears.
3.
Set UPM battery disconnect breaker to open.
4.
When UPM Battery Disconnected alarm and notification message is received,
open CB1 on UPM. The UPM powers down.
Power is present at UPM CB1 input, until upstream UPM input
feeder circuit breaker is opened. Fans and load side of K3 will
10.2.5

SBM Shutdown to Bypass

1.
On SBM, turn the SYSTEM MODE key switch to BYPASS momentarily.
2.
Observe CBS opens and CBP closes.
3.
On SBM monitor screen, verify On Bypass message appears. System is now
on bypass.
4.
Set UPM battery disconnect breakers to open.
5.
When UPM Battery Disconnected alarm and notification message is received,
open CB1 on all UPMs, except the last UPM. The last UPM must be shutdown
using the UPM LOAD OFF pushbutton. Refer to Using the UPM LOAD OFF
Pushbutton" in this chapter.
6.
To shutdown last UPM, press last UPM LOAD OFF pushbutton.
Power is present at UPM CB1 input, until upstream UPM input
feeder circuit breaker is opened. Fans and load side of K3 will
10−4
WARNING
still have voltage present.
WARNING
still have voltage present.
EATON Powerware 9315 Parallel Capacity/Redundant System
164201150 Rev. E www.powerware.com