Rockwell Automation 2100 CENTERLINE MCC Joining Splicing Vertical Sections - Manual (Page 2)

2 CENTERLINE ® 2100 Motor Control Centers Joining and Splicing Vertical Sections
2. Remove top and bottom horizontal wireway covers as shown in Figure 2
and Figure 3. Remove the wood shim used in transportation from the
side of the MCC.
3. Remove top, bottom and center end closing plates, if present, exposing
joining holes (referred to as A and B in Figure 2 and Figure 3) of the
MCC. Joining holes not covered by end closing plates may contain
1/4-20 hex head thread-forming screws on the left side and removable
plastic plugs on the right side. These screws and plugs are accessible
both from within the vertical wireway and from the outside surface of
the vertical side plate and must be removed from the side plates to be
joined. See Figure 2 and Figure 3.
4. Remove the vertical wireway cover and horizontal bus splice access
cover from the sections to be joined. See Figure 1 and Figure 7.
5. Pull all “bottom entry” cables, if any are present, through the conduits
to a point where they will be accessible when the center is positioned.
6. NOTE: For NEMA 12 MCCs refer to publication 2100-IN037x-EN-P,
NEMA 12 Sealing Instructions. This publication was shipped with the
splice kit.
7. Slide sections together making sure cabinets are level and holes in side
sheets line-up with adjacent holes. See Figure 2.
NOTE: Make sure cabinets are level and pushed together, tightly. Do
not use hardware to draw cabinets together.
8. Join the two MCCs using the hardware furnished with the splice kit.
• Pass the 1/4-20 hex head thread forming screw from inside the left
MCC through joining holes (A in Figure 2 and Figure 3) and engage
the screws with the holes located in the right center. Refer to Torque
Requirements on page 15
• Pass the 1/4-20 x 5/8 hex screw from inside the left center through
joining hole (B in Figure 2 and Figure 3) and secure with the 1/4-20
steel nut. Refer to Torque Requirements on page 15
9. Secure the MCC to the floor as required by local code.
10. Inspect the interior for dust and dirt; vacuum cleaning is recommended.
Do not clean using compressed air—it contains moisture and may
blow debris into the control equipment.
Publication
2100-IN010D-EN-P—February 2007