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

10.3.5

SBM Shutdown to Bypass

1.
On SBM, turn the SYSTEM MODE key switch to BYPASS momentarily.
2.
Observe CBS opens, CBP closes.
3.
On SBM monitor screen, verify On Bypass message appears. System is now
on bypass.
4.
On all but the last UPM, turn the MODE key switch to BYPASS for three
seconds.
5.
Verify that UPS breakers CB1 and CB3 and battery breaker CB2 (MBB) are
open and the UPM powers down.
6.
To shut down last UPM, press last UPM LOAD OFF pushbutton.
7.
Verify that UPS breakers CB1 and CB3 and battery breaker CB2 (MBB) are
open and the UPM powers down.
10.3.6

Restarting a Single UPM

1.
Close upstream UPM input feeder breaker.
2.
Observe UPM monitor screen becoming active as an indication of logic power.
3.
Verify UPM is shown on the SBM mimic screen.
4.
On UPM, set BATTERY switch to ENABLE.
5.
On UPM, turn MODE key switch to NORMAL for three seconds
6.
Confirm the UPS breaker CB1 has closed by viewing breaker position on LCD
Mimic screen.
The rectifier and input/rectifier cooling blowers turn on.
7.
Confirm UPS Battery Breaker CB2 (MBB) has closed by viewing breaker
position on LCD Mimic screen.
NOTE: If CB2 is a manual battery breaker, manually close CB2 after UPM
The inverter and output/inverter cooling blowers turn on. When the inverter reaches
full voltage, UPS breaker CB3 closes. It takes less than 1 minute for the UPS to
achieve Normal mode. If UPS is not in Autorestart, turn the MODE key switch to
NORMAL for three seconds to transfer to Normal mode.
8.
The UPM is now operating in Normal mode.
9.
On SBM mimic screen, check for presence of UPM.
EATON Powerware 9315 Parallel Capacity/Redundant System
164201150 Rev. E www.powerware.com
Power is present at UPM CB1 input until upstream UPM input
feeder circuit breaker is opened. The load side of CB3 still has
Battery Disconnected alarm and notification is received.
WARNING
voltage present.
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