121
9395P 250 kVA / 275 kVA / 300 kVA
User’s and Installation Guide
7.5.17
Transfer from Online to Bypass Mode
To transfer the critical load to Bypass mode:
1.
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.
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
status indicator is illuminated. The Bypass status indicates ON. The UPM
status
indicates READY. The power module remains on.
7.5.18
Transfer from Bypass to Online Mode
To transfer the critical load to Online mode:
1.
If not already closed, close the battery breaker.
2.
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 ONLINE
.
6.
Press the
SELECT
pushbutton on the UPS Command menu bar.
The UPS transfers to Online mode. If the power module is not available, the system
remains on
bypass and an alarm sounds.
The Online status indicator is illuminated. The UPS status indicates ONLINE. The UPM
status
indicates ONLINE.
CAUTION
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
WARNING
Power is present inside the UPS cabinet.
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