10
−
11
EATON
Powerware 9315 Parallel Capacity/Redundant System
164201150 Rev. E
www.powerware.com
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.
WARNING
Power is present at UPM CB1 input until upstream UPM input
feeder circuit breaker is opened. The load side of CB3 still has
voltage present.
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
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 SBM mimic screen, check for presence of UPM.
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