Vertiv | NetSure™ 8200 Series -48 VDC Power System Installation Manual (IM582140000) | Rev. A
AC Input Connections to Lists 101 and 111 Bays (w/out PDSC)
Lists 101 and 111 bays provide connections for up to 10 AC input branch circuits, one per rectifier mounting
position. Customer is to provide AC input branch circuit protection.
Refer to Figure 99 for lug landing locations.
Procedure
1. Refer to Figure 99 and locate the rectifier AC input busbars. Remove the cover panel to gain access to
these terminals.
2. The rectifier AC input busbars are equipped with 1/4-20 studs on 5/8 inch centers. Attach rectifier AC
input leads to these using customer supplied two-hole lugs. When lugs are secured using 1/4-20
hardware, recommended torque is 84 in-lbs when a standard flat washer and lock washer are used.
3. Connect Phase A to the terminal designated "A". Connect Phase B to the terminal designated "B".
Connect Phase C to the terminal designated "C".
4. Note that rectifier mounting positions are numbered 1 through 10, starting at the top of the bay.
5. Equipment grounding conductors must be provided with the AC input conductors supplied to each bay.
Connect to earth ground, not power system neutral.
6. Refer to Figure 99 and locate the rectifier AC input frame ground studs (1/4-20 studs). Attach rectifier
AC input ground leads to these studs using customer supplied one-hole lugs. When lugs are secured
using 1/4-20 hardware, recommended torque is 84 in-lbs when a standard flat washer and lock washer
are used.
7. Replace the terminal access panel.
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