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NetSure -48V DC Bulk Output Power System Installation and User Instructions (UM582127100)
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Rev. E
25
Accessing Connections and Wire Routing
1.
Remove the two AC input access covers from the rear of the rectifier module mounting shelf by first
removing the screws that secure them.
2.
Install conduit fittings in the side or rear openings as required. Plug buttons are provided, and must be
installed in the openings not being used.
3.
Route wiring into the shelf through the previously installed conduit fittings.
Making AC Input Connections
NOTE!
In each shelf, rectifier module mounting positions are number 1-6 from left to right as viewed
from the front. Note that in the main shelf, the 6th position is occupied by the NCU Controller.
1.
Make AC input connections as shown in
. Connect each wire by inserting the stripped end into
the wire opening, and then tightening the screw. Torque connections to value shown in
Making AC Equipment Grounding Connections
NOTE!
Make equipment grounding connections to earth ground, not to the branch circuit neutral
conductor.
1.
Connect AC input equipment grounding leads to the frame ground studs using installer-provided ring
lugs and factory-supplied mounting hardware. Torque connections to value shown in
Reinstalling Covers
1.
After all AC input and equipment grounding connections have been made and checked, reinstall the two
AC input access covers on the back of the shelf. Secure with the previously removed screws.
