Vertiv™ NetSure™ 7100 Series -48 VDC Power System User Manual
4.7 Reconfiguring a Dual Voltage Distribution Panel (List DE, DF, DG, DH, DJ,
DK, FE, FF, FG, FH, FJ, FK)
Perform the following procedure to reconfigure a dual voltage distribution panel (List DE, DF, DG, DH, DJ, DK, FE, FF, FG, FH, FJ, FK) 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.
Removing the Distribution Panel
Procedure
1. Performing this procedure may activate external alarms. Do one of the following. If possible, disable these alarms. If these
alarms cannot be easily disabled, notify the appropriate personnel to disregard any future alarms associated with this system
while the procedure is being performed.
2. Open the distribution cabinet’s front door by turning the latch in the counterclockwise position (system’s in a relay rack), or
open the system’s enclosure door.
3. Remove the plastic shield covering the circuit breakers and/or fuseholders on the distribution panel to be removed by
loosening the screws holding the shield and sliding the shield upwards.
4. Record circuit breaker and/or fuse positions and sizes.
5. Remove circuit breakers and/or fuseholders.
6. Label the load leads.
7. Disconnect and insulate all load leads from the circuit breaker and/or fuse positions.
8. Disconnect and insulate all load return leads from the ground busbar.
9. Refer to Figure 4.11 and remove the hardware securing the +24V or -58V jumper leads. Insulate and tie back these leads.
10. Refer to Figure 4.11 and locate the in-line FA/CBA connector located near the back of the distribution panel. Separate the
connector halves.
11. Refer to Figure 4.11 and remove the hardware securing the distribution panel’s ground busbar to the distribution cabinet’s
busbar.
12. Refer to Figure 4.11 and remove the hardware securing the distribution panel’s system load distribution busbar to the
distribution cabinet’s busbar.
13. Refer to Figure 4.11 and remove the hardware securing the distribution panel to the distribution cabinet. Remove the
distribution panel from the distribution cabinet.
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