Operation
Liebert
®
NXL
™
46
2.15.13 Shutdown—Single Module UPS System
Perform a Module Shutdown to remove power from a UPS module.
Read all warnings in 4.0 - Maintenance before performing any maintenance on your Liebert NXL
UPS. These warnings and cautions must be observed during any work on the UPS.
Use the module Monitor/Mimic Display to determine the operating condition of the UPS module.
UPS Shutdown
1. Press the “Shutdown” menu button on the touchscreen.
The Shutdown screen will appear in the multipurpose window (see Figure ).
2. Press the “UPS” button. This brings up a warning that pressing “OK” will shut down the UPS
and, if bypass is not available, drop the load (see Figure 22).
3. Press “OK” to shut down the UPS.
UPS System Shutdown
1. Press the “Shutdown” menu button on the touchscreen. The Shutdown screen will appear in the
multipurpose window (see Figure ).
2. Press the “System” button. This brings up a warning that pressing “OK” will shut down the UPS
and, if bypass is not available, drop the load (see Figure 22).
3. Press “OK” to shut down the system.
NOTE
Service and maintenance work must be performed only by properly trained and qualified
personnel and in accordance with applicable regulations as well as with manufacturers’
specifications.
NOTE
This shutdown turns Off the inverter and the rectifier and trips all DC source breakers.
Transfers to bypass if available
NOTE
This shutdown turns Off the inverter and the rectifier and trips all DC source breakers. Will
shut down UPS completely.
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