Eaton Power Xpert 9395 550/275 Installation And Operation Manual page 166

In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1. Unfasten the front door latches and swing the doors open on all of the UPSs (see
2. If the UPSs contain input breakers (CB1), verify that all input breakers are open.
3. Close all MOBs.
4. Close all UPS input feeder circuit breakers.
5. Close all UPS Bypass input feeder circuit breakers.
6. If the UPSs contain input breakers (CB1), close all input breakers.
7. Close the doors and secure the latches.
8. Observe the UPS control panel displays becoming active, indicating logic power.
9. On any UPS, press the CONTROLS pushbutton on the main menu bar. The System Status screen is
displayed.
10. On the System Status screen, verify the UPS status is SHUTDOWN and the UPM status is SHUTDOWN.
11. On the System Status screen, select the BYPASS command.
12. Press the CONTROLS pushbutton on the System Status menu bar. The Bypass Control Command screen
is displayed.
13. On the Bypass Control Command screen, select GO TO BYPASS.
14. Press the SELECT pushbutton on the Bypass Command menu bar.
The critical load is immediately supplied by the bypass source in Bypass mode from all UPSs.
The BYPASS status indicator is illuminated. The Bypass status indicates ON. The UPM status indicates
SHUTDOWN, CLOSE BATTERY.
7 7 . . 4 4 . . 9 9 E E n n a a b b l l e e E E n n e e r r g g y y S S a a v v e e r r S S y y s s t t e e m m M M o o d d e e f f r r o o m m t t h h e e B B y y p p a a s s s s C C o o m m m m a a n n d d M M e e n n u u
To enable Energy Saver System mode:
NOTE 1 The Energy Saver System mode commands are displayed only if enabled at the factory
or by an Eaton Customer Service Engineer.
NOTE 2 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 ENABLE ENERGY SAVER.
5. Press the SELECT pushbutton on the Bypass Command menu bar.
If the UPS is online, the UPS transfers to Energy Saver System mode.
The Online status indicator is illuminated. The UPS status indicates ONLINE WITH ESS. The UPM status
indicates ONLINE. If the battery is not charging, the power module is off.
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
UPS Operating Instructions
Figure 12).
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