Replacing A Distribution Panel List Aa, Ab, Ac, Ad, Ae, Af, Ag, Ah, Aj, Ak, Da, Db, Dc, Dd, Ba, Bb; Bc, Bd, Be, Bf, Bg, Or Bh With A List Al, An, De, Df, Dg, Dh, Dj, Or Dk, Fe, Ff, Fg, Fh, Fk - Vertiv NetSure 7100 Series User Manual

Vertiv™ NetSure™ 7100 Series -48 VDC Power System User Manual
5.6.9 Replacing a Distribution Panel List AA, AB, AC, AD, AE, AF, AG, AH, AJ, AK, DA, DB,
DC, DD, BA, BB, BC, BD, BE, BF, BG, or BH with a List AL, AN, DE, DF, DG, DH, DJ, or
DK, FE, FF, FG, FH, FK
DANGER! Performing the next steps exposes service personnel to battery potential. Exercise extreme caution not to
inadvertently contact or have any tool inadvertently contact any energized electrical termination.
Procedure
Removing the Existing Distribution Panel
NOTE!
Refer to Figure 5.9.
1. 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.
2. Remove the plastic shield covering the circuit breakers or fuseholders on the panel to be removed by loosening the screws
holding the shield and sliding the shield upwards.
3. Disconnect and insulate all load or battery wiring from the circuit breaker or fuse positions.
4. On panels equipped with a ground busbar, remove all load return or battery return wiring from the ground busbar.
5. On panels equipped with shunts, label the shunt leads then remove them from the panel.
6. Locate the in-line FA/CBA connector located near the back of the panel, and separate the connector halves.
7. Refer to Figure 5.9 and remove the hardware securing the panel's Ground Busbar (if equipped) to the distribution cabinet's
busbar.
8. For load distribution panels, refer to Figure 5.9 and remove the hardware securing the panel's System Load Distribution
busbar to the distribution cabinet's busbar.
9. For battery distribution panels, refer to Figure 5.9 and remove the hardware securing the panel's Battery Busbar to the
distribution cabinet's busbar.
10. For dual voltage load distribution panels, refer to Figure 5.9 and remove the hardware securing the +24V jumper leads.
11. Refer to Figure 5.9 and remove the hardware securing the distribution panel to the distribution cabinet. Remove the panel
from the distribution cabinet.
Replacing the Busbar
NOTE!
Refer to Figure 5.10.
NOTE!
In the following procedure, before making busbar-to-busbar connections, apply a thin coating of electrical anti-
oxidizing compound to the mating surfaces of the busbars.
1. Perform the procedure in Figure 5.10.
Installing the New Distribution Panel
NOTE!
Refer to Figure 5.11.
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