Table of Contents
Advertisement
20. Repeat Steps 8 through 19 for each UPS in the distributed bypass system.
NOTE To transfer to Normal mode after starting individual UPMs, follow the procedure in paragraph 7.4.5 .
7.4.4
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.
2.
3.
4.
5.
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.
2.
3.
4.
5.
6.
EATON Powerware
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
On any UPS, press the
CONTROLS
Status screen is displayed.
On the System Status screen, select the
Press the
pushbutton on the System Status menu bar. The Bypass
CONTROLS
Control Command screen is displayed.
On the Bypass Control Command screen, select
Press the
pushbutton on the Bypass Command menu bar.
SELECT
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.
status indicator is illuminated. The Bypass status indicates ON. The
The
BYPASS
UPM status indicates READY. The power module remains on.
If not already closed, close the battery breaker.
On any UPS, press the
CONTROLS
Status screen is displayed.
On the System Status screen, select the
Press the
pushbutton on the System Status menu bar. The UPS
CONTROLS
Control Command screen is displayed.
On the UPS Control Command screen, select
Press the
pushbutton on the UPS Command menu bar.
SELECT
All of the UPSs transfer to Normal mode. If the power module is not available,
the system remains on bypass and an alarm sounds.
status indicator is illuminated. The UPS status indicates ONLINE.
The
NORMAL
The UPM status indicates ONLINE.
UPS OPERATING INSTRUCTIONS
C A U T I O N
pushbutton on the main menu bar. The System
command.
BYPASS
GO TO BYPASS
W A R N I N G
pushbutton on the main menu bar. The System
command.
UPS
GO TO NORMAL
S
164201764 Rev 1 www.powerware.com
.
.
7−23
Advertisement
Table of Contents
