Eaton 9395 - Transfer from Online to Bypass Mode; Transfer from Bypass to Online Mode

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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22. On the UPM Control Command screen, select UPM GO TO ONLINE.
23. Press the
SELECT pushbutton on the UPM Command menu bar.
The UPM transfers to Online mode. The UPM status indicates ONLINE.
7.3.17 Transfer from Online to Bypass Mode
To transfer the critical load to Bypass mode:
C A U T I O N
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
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
GO TO BYPASS.
5. Press the SELECT pushbutton on the Bypass Command menu bar.
The UPS transfers to Bypass 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
BYPASS status indicator is illuminated. The Bypass status indicates ON. The
UPM status indicates READY. The power module remains on.
W A R N I N G
Power is present inside the UPS cabinet.
7.3.18 Transfer from Bypass to Online Mode
To transfer the critical load to Online mode:
1. If not already closed, close the battery breaker.
2. Press the
CONTROLS pushbutton on the main menu bar. The System Status
screen is displayed.
3. On the System Status screen, select the UPS command.
4. Press the
CONTROLS pushbutton on the System Status menu bar. The UPS
Control Command screen is displayed.
5. On the UPS Control Command screen, select GO TO ONLINE.
6. Press the
SELECT pushbutton on the UPS Command menu bar.
The UPS transfers to Online mode. If the power module is not available, the
system remains on bypass and an alarm sounds.
The Online status indicator is illuminated. The UPS status indicates ONLINE. The
UPM status indicates ONLINE.