88
UPS 225 - 275 kVA/300kVAPF0.8
1027212
User’s and Installation Guide
Revision E
WARNING
Power is present inside the UPS cabinets.
7.3.12 Transfer from Bypass to Normal mode
To transfer the critical load to Normal mode, perform the following procedure:
1.
Press the CONTROLS pushbutton on the main menu bar. The System Status screen appears.
2.
Press the NORMAL pushbutton on the System Status menu bar. The UPS transfers to Normal
mode. If the power processor is not available, the system remains on bypass and an alarm sounds.
3.
The UPS is now operating in Normal mode, and the NORMAL status indicator is illuminated. The
UPM status indicates
ONLINE
.
7.3.13 Transfer from Normal to Energy Saver System
To transfer the critical load to Energy Saver System:
NOTE
The Energy Saver System commands are displayed only if enabled at the factory or by an Eaton
Customer Service Engineer.
1.
Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
2.
On the System Status screen, select the
UPS
command.
3.
Press the CONTROLS pushbutton on the System Status menu bar. The UPS Control Command
screen is displayed.
4.
On the UPS Control Command screen, select
ENABLE ENERGY SAVER
.
5.
Press the SELECT pushbutton on the UPS Command menu bar.
The UPS transfers 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
ENERGY SAVER
. The Bypass
status indicates
ON
. The UPM status indicates
ONLINE
. If the battery is not charging, the power
module is off.
7.3.14 Transfer from Energy Saver System to Normal mode
To transfer the critical load to Normal mode:
NOTE
The Energy Saver System commands are displayed only if enabled at the factory or by an Eaton
Customer Service Engineer.
1.
Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
2.
On the System Status screen, select the
UPS
command.