Application Guide

Section 5876 Installation Instructions
Issue AT, April 26, 2013 Spec. No. 582140000 (Models 802
NLDB, 802NLEB and 802NL-B)
Page 4-44 Chapter 4. Making Electrical Connections
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AC Input Connections to Lists 1 and 11 Bays (w/out PDSC)
Lists 1 and 11 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 4-15 for lug landing locations.
Procedure
1) Refer to Figure 4-15 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.
Connect Phase A to the terminal designated "A". Connect Phase B to the
terminal designated "B". Connect Phase C to the terminal designated "C".
Note that Rectifier mounting positions are numbered 1 through 10, starting at the
top of the bay.
3) Equipment grounding conductors must be provided with the AC input conductors
supplied to each bay. Connect to earth ground, not power system neutral.
Refer to Figure 4-15 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.
4) Replace the terminal access panel.