Instruction manual
UPS OPERATING INSTRUCTIONS
Eaton
®
9390 UPS (20–80 kVA) and 9390IT (20-40 kVA) Installation and Operation Manual S 164201603 Rev 4 www.eaton.com/powerquality
9-8
9.1.14 Transfer from Energy Saver to High Alert Mode
To transfer the critical load to High Alert mode:
NOTE The Energy Saver and High Alert mode 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 GO TO HIGH ALERT.
5. Press the
SELECT pushbutton on the UPS Command menu bar.
The UPS transfers to Battery mode and then to High Alert mode. After one hour
the UPS transfers to Energy Saver 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 NORMAL status indicator is illuminated. The UPS status indicates HIGH
ALERT. The UPM status indicates ONLINE. The power module is on.
9.1.15 Transfer from High Alert to Energy Saver Mode
To transfer the critical load to Energy Saver mode:
NOTE The High Alert and Energy Saver mode 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 GO TO ENERGY SAVER.
5. Press the
SELECT pushbutton on the UPS Command menu bar.
The UPS transfers to Energy Saver 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 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.