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