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Vertiv
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NetSure 7100 Series -48V DC Power System Installation Manual (IM582127000)
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Rev. BB
121
Direct DC Input Connections to 588705000 List 42 Module Mounting Assemblies
Spec. No. 588705000 List 42 module mounting assembly contains DC input terminal blocks which provide a
separate DC input connection for every three (3) converter positions.
Circular openings are provided in the side panels (side feed) and rear covers (rear feed) of the module
mounting assembly for DC input and equipment-grounding conductors. The openings accept 3/4 inch conduit
fittings. DC input wiring should be provided to all converter mounting positions, including currently unused
positions. This wiring will ease future installation of converters to meet increased load requirements.
NOTE!
One ground conductor per conduit is required.
Procedure
as these procedures are performed.
NOTE!
Repeat the following procedures for each module mounting assembly in the power system.
Accessing Connections and Routing Wire
1.
Remove the two DC Input Access Covers from the rear of the module mounting assembly 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 DC Input Connections
NOTE!
In each shelf, module mounting positions are number 1-6 from left to right as viewed from the
front.
1.
Make DC 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 Equipment Grounding Connections
1.
Connect 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 DC input and equipment grounding connections have been made and checked, reinstall the two
DC input access covers on the back of the shelf. Secure with the previously removed screws.