UPS OPERATING INSTRUCTIONS
Eaton 9395 UPS (225–275 kVA) Installation and Operation Manual S 164201683 Rev 3 www.eaton.com/powerquality
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5. Press the SELECT pushbutton on the Bypass Command menu bar.
If the UPS is online, the UPS transfers to Battery mode and then to Online mode
in approximately ten seconds.
The Online status indicator is illuminated. The UPS status indicates ONLINE. The
UPM status indicates ONLINE.
7.4.14 Start Variable Module Management System High Alert Mode from
the Bypass Command Menu
To start High Alert mode:
NOTE The High Alert mode commands are displayed only if enabled at the factory or by an Eaton Customer
Service Engineer.
NOTE The Variable Module Management System and Energy Saver System modes are mutually exclusive.
If the Energy Saver System mode is enabled, the Variable Module Management System mode commands will
not be displayed.
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 START HIGH ALERT.
5. Press the
SELECT pushbutton on the Bypass Command menu bar.
If the UPS is online, the UPS starts High Alert mode with the UPMs online
supplying the critical load. After one hour the UPS transfers to Variable Module
Management System mode.
The Online status indicator is illuminated. The UPS status indicates HIGH
ALERT. The UPM status indicates ONLINE. The power module is on.
7.4.15 Starting the UPS UPMs
To start the power modules without transferring the critical load to Online mode:
1. Unfasten the front door latches and swing the doors open on all of the UPSs (see
Figure 4‐2 on page 4-4).
2. If the UPSs contain input breakers (CB1), verify that all input breakers are open.
3. Close all UPS input feeder circuit breakers.
4. Close all UPS Bypass input feeder circuit breakers.
5. If the UPSs contain input breakers (CB1), close all input breakers.
6. Close the doors and secure the latches.
7. Observe the UPS control panel displays becoming active, indicating logic power.
8. On any UPS, press the
CONTROLS pushbutton on the main menu bar. The System
Status screen is displayed.
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