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UPS OPERATING INSTRUCTIONS
7−14
EATON Powerware
7.3.4
Transfer from Normal to Bypass Mode
To transfer the critical load to Bypass mode:
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1.
Press the
CONTROLS
screen is displayed.
2.
On the System Status screen, select the
3.
Press the
CONTROLS
Control Command screen is displayed.
4.
On the Bypass Control Command screen, select
5.
Press the
SELECT
The UPS transfers to Bypass mode and the critical load is immediately supplied
by the bypass source. If the bypass source is not available, the power module
remains on and an alarm sounds.
The
BYPASS
UPM status indicates READY. The power module remains on.
Power is present inside the UPS cabinet sections.
7.3.5
Transfer from Bypass to Normal Mode
To transfer the critical load to Normal mode:
1.
If not already closed, close the battery breaker.
2.
Press the
CONTROLS
screen is displayed.
3.
On the System Status screen, select the
4.
Press the
CONTROLS
Control Command screen is displayed.
5.
On the UPS Control Command screen, select
6.
Press the
SELECT
The UPS transfers to Normal mode. If the power module is not available, the
system remains on bypass and an alarm sounds.
The
NORMAL
The UPM status indicates ONLINE.
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
C A U T I O N
pushbutton on the main menu bar. The System Status
pushbutton on the System Status menu bar. The Bypass
pushbutton on the Bypass Command menu bar.
status indicator is illuminated. The Bypass status indicates ON. The
W A R N I N G
pushbutton on the main menu bar. The System Status
pushbutton on the System Status menu bar. The UPS
pushbutton on the UPS Command menu bar.
status indicator is illuminated. The UPS status indicates ONLINE.
S
164201764 Rev 1 www.powerware.com
command.
BYPASS
.
GO TO BYPASS
command.
UPS
.
GO TO NORMAL
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