UPS for 480 Vac Grid, User Guide, doc. rel. 4.0
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Figure 146: Required system off warning
2.
Select OK to continue
The following system and subsystem selection screen appears:
Figure 147: Select unit for update
3.
Select from one of the subsystems to upgrade exclusively. If you intend on updating all of
the subsystems you can do so by selecting System.
You will be prompted to insert a USB drive with the appropriate preloaded software in the root
folder.