Powerware 10001100 kVA User Manual
UPS OPERATING INSTRUCTIONS
EATON Powerware
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
S
164201764 Rev 1 www.powerware.com
7−23
NOTE To transfer to Normal mode after starting individual UPMs,
7.4.4
Transfer from Normal to Bypass Mode
To transfer the critical load to Bypass mode:
C
A
U
T
I
O
N
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1.
On any UPS, press the
CONTROLS
pushbutton on the main menu bar. The System
Status screen is displayed.
2.
On the System Status screen, select the
BYPASS
command.
3.
Press the
CONTROLS
pushbutton on the System Status menu bar. The Bypass
Control Command screen is displayed.
4.
On the Bypass Control Command screen, select
GO TO BYPASS
.
5.
Press the
SELECT
pushbutton on the Bypass Command menu bar.
All of the UPSs transfer to Bypass mode and the critical load is immediately
supplied by the bypass source from all UPSs. If the bypass source is not
available, the power module remains on and an alarm sounds.
supplied by the bypass source from all UPSs. If the bypass source is not
available, the power module remains on and an alarm sounds.
The
BYPASS
status indicator is illuminated. The Bypass status indicates
ON. The
UPM status indicates
READY. The power module remains on.
W
A
R
N
I
N
G
Power is present inside the UPS cabinet sections.
7.4.5
Transfer from Bypass to Normal Mode
To transfer the critical load to Normal mode:
1.
If not already closed, close the battery breaker.
2.
On any UPS, press the
CONTROLS
pushbutton on the main menu bar. The System
Status screen is displayed.
3.
On the System Status screen, select the
UPS
command.
4.
Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS
Control Command screen is displayed.
5.
On the UPS Control Command screen, select
GO TO NORMAL
.
6.
Press the
SELECT
pushbutton on the UPS Command menu bar.
All of the UPSs transfer to Normal mode. If the power module is not available,
the system remains on bypass and an alarm sounds.
the system remains on bypass and an alarm sounds.
The
NORMAL
status indicator is illuminated. The UPS status indicates
ONLINE.
The UPM status indicates
ONLINE.