5 ssbm shutdown to bypass, 6 restarting a single upm – Powerware 9315s User Manual
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Powerware 9315 Parallel Capacity/Redundant System with PHP SSBM
164201373 Rev. A
092402
10.3.5 SSBM Shutdown to Bypass
1.
On SSBM, turn the
SYSTEM MODE key switch to BYPASS momentarily.
2.
Observe CBS opens, CBP closes.
3.
On SSBM 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.
WARNING:
Power is present at UPM CB1 input, until
upstream UPM input feeder circuit
breaker is opened.
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 SSBM 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
Battery Disconnected alarm and notification is received.
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 SSBM mimic screen, check for presence of UPM.