Liebert 12 bay, User Manual

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22
Start-up and Initialization
Follow these steps in order to start up the UPS.
1. Close Input Circuit Breaker (CB1) and close
the Enable Switch (SW2). Ensure the
manual bypass switch is in UPS position.
You should see the following on the LCD
display window:
2. Press
&
button.
3. Press
%
to access the main menu.
Shutting down the UPS
Use the following procedure to power down the
UPS.
1. Press
&
to disable power from the
connected equipment.
2. Verify request to disable the output by
pressing
%
.
3. Turn off the Enable Switch (SW2). Open the
Input Circuit Breaker (CB1).
Manual Transfer to Bypass
In the event of a UPS overload or failure, the
UPS will transfer to bypass via its automatic
bypass switch. It is possible for the user to
manually transfer the UPS to bypass by
operating the manual bypass switch located
behind the lowest front cover to the bypass
position. To transfer the UPS from bypass to
normal mode, simply operate the manual bypass
switch back to the UPS position.
It should be noted that the load is not protected
from utility interruptions when in bypass mode.
Operating Procedures