Options—Installation
22
4.10
Cable Access—Top Cover, Back and Base
A fully removable top cover is available on Knurr DCM enclosures. These features are available:
• 24U cabinets: solid, with one 4" (101.6mm) diameter hole in each corner
• 42U and 45U cabinets: rectangular hole in the rear for mounting a fan or or for cabling. Four
cable entry slots, supplied with grommets are also available for cabling. Slots at each side on the
rear are fabricated for accepting tool-less modular busway brackets.
Figure 18 Top cover for Knurr DCM cabinets 42U and 45U high
The bottom of the Knurr DCM is open for cable entry. The low-profile caster plinth has a rectangular
slot for cable entry.
4.11
Top Cover Cable Management Kit
Top Cover Cable Management kits assist in organizing cables routed across the top of one or more
Knurr DCM racks. Panels may be attached to the front, rear and sides of the Knurr DCM and a
center management unit may be installed in the center of the racks.
The front, rear an side panels attach to the cabinet with the bolts at each corner (see Figure 19).
Center cable management units attach to the Knurr DCM with tabs that fit into slots on the top
cover. They are held in place by spring tension.
1.
Install the center piece first by squeezing it and sliding the four tabs into the holes in the top of
the rack.
2.
Remove the frame-member bolts at the front left and front right corners of a Knurr DCM.
3.
Position the front top cover cable management panel so the holes at each end align with the bolt
holes.
4.
Reinsert the bolts and tighten them.
5.
Repeat Steps 2 through 4 for the rear of rack.
Cable Entry Holes (four places)
Standard Roof Grommets
(P/N 539536P1) Supplied
Busway Mounting
Bracket Cutout
(Each Rear Corner)
Fan/Cable Access Hole
Standard Cover Plate
(P/N 540939P1) Supplied
Liebert XDV
Mounting
Holes
5.47"
(139mm)
7.76"
(197mm)
12.1" (307mm)
2.5" (64mm)
FRONT
OF CABINET
REAR
OF CABINET
Cover shown is for
cabinets 42U and 45U
high; cover for 24U
cabinet is solid, with
one 4" (101.6mm)
diameter hole in each
corner
