1027212
UPS 225 - 275 kVA/300kVAPF0.8
105
Revision E
User’s and Installation Guide
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 the UPSs transfer to Battery mode and then to Bypass mode.
The BYPASS status indicator is illuminated. The UPS status indicates
READY
. The Bypass status
indicates
ON
. The UPM status indicates
READY
. The power module remains on.
7.4.19 Transfer from Bypass to High Alert mode
To transfer the critical load to High Alert mode:
NOTE
The High Alert mode commands are displayed only if enabled at the factory or by an Eaton
Customer Service Engineer.
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
START HIGH ALERT.
5.
Press the SELECT pushbutton on the Bypass Command menu bar.
All the UPSs transfer to High Alert mode, but remain online. After one hour the UPSs transfer to
Energy Saver System 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 NORMAL status indicator is illuminated. The UPS status indicates
HIGH ALERT
. The UPM sta-
tus indicates
ONLINE
. The power module is on.
7.4.20 Transfer from High Alert to Bypass mode
To transfer the critical load to Bypass mode:
NOTE
The High Alert mode commands are displayed only if enabled at the factory or by an Eaton
Customer Service Engineer.
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
.