Vertiv™ NetSure™ 5100 Series -48 VDC Power System User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
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4.7
Reconfiguring the Distribution Voltage on Positions 23 to 26 of a List DF
Distribution Panel installed in a List 27 Distribution Cabinet
Perform the following procedure to reconfigure the distribution voltage on positions 23 to 26 of a List DF distribution panel installed in
a List 27 distribution cabinet (to move distribution positions from one voltage to the other).
DANGER!
Performing this procedure exposes service personnel to battery potential. Exercise extreme caution not to
inadvertently contact or have any tool inadvertently contact any energized electrical termination.
NOTE!
Save all removed hardware. Hardware will be re-used.
Procedure
This procedure is written changing from +48 VDC distribution to +24 VDC distribution on positions 23 to 26. Reverse the procedure
to go from +24 VDC distribution to +48 VDC distribution.
1.
Open the distribution cabinet’s front door by turning the latch in the counterclockwise position or open the system’s
enclosure door.
2.
Remove the top cover from the distribution cabinet.
Figure 4.19
Removing the Distribution Cabinet Top Cover
3.
Locate the shorting busbar shield in the area below the distribution cabinet top cover just removed.
4.
Bend the top flap of the shorting busbar shield up to access the shorting busbar.
Remove Top Cover