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.
Summary of Contents for 9395 UPS 10001100 kVA
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