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Powerware 10001100 kVA User Manual

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UPS OPERATING INSTRUCTIONS
EATON Powerware
®
 9395 UPS (1000–1100 kVA) Installation and Operation Manual  
S
  164201764 Rev 1 www.powerware.com
7−21
7.4.2
Starting the Distributed Bypass System in Bypass Mode
If the inverter output of the distributed bypass system is not available and the critical
load needs to be energized:
C
 
A
 
U
 
T
 
I
 
O
 
N
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1.
If the UPSs contain input breakers (CB1), verify that all input breakers are open.
2.
Close all MOBs.
3.
Close all UPS input feeder circuit breakers.
4.
Close all UPS Bypass input feeder circuit breakers.
5.
Observe the UPS control panel displays becoming active, indicating logic power.
6.
On any UPS, press the 
CONTROLS
 pushbutton on the main menu bar. The System
Status screen is displayed.
7.
On the System Status screen, verify the UPS status is 
SHUTDOWN and the UPM
status is 
OFFLINE.
8.
If the UPSs contain input breakers (CB1), close all input breakers.
9.
On the System Status screen, select the 
BYPASS
 command.
10. Press the 
CONTROLS
 pushbutton on the System Status menu bar. The Bypass
Control Command screen is displayed.
11. On the Bypass Control Command screen, select 
GO TO BYPASS
.
12. Press the 
SELECT
 pushbutton on the Bypass Command menu bar.
The critical load is immediately supplied by the bypass source in Bypass mode
from all UPSs.
The 
BYPASS
 status indicator is illuminated. The Bypass status indicates 
ON. The
UPM status indicates 
SHUTDOWN, CLOSE BATTERY.
7.4.3
Starting the UPSs UPMs
To start the power modules without transferring the critical load to Normal mode:
1.
If the UPSs contain input breakers (CB1), verify that all input breakers are open.
2.
Close all UPS input feeder circuit breakers.
3.
Close all UPS Bypass input feeder circuit breakers.
4.
Observe the UPS control panel displays becoming active, indicating logic power.
5.
On any UPS, press the 
CONTROLS
 pushbutton on the main menu bar. The System
Status screen is displayed.
6.
On the System Status screen, verify the UPS status is 
SHUTDOWN and the UPM
status is 
OFFLINE.
7.
If the UPSs contain input breakers (CB1), close all input breakers.