Rockwell Automation 1512B MV Controllers, 200/400A Two-High Cabinet, Standard and Arc-Resistant Enclosure - Manual (Page 92)

84 Rockwell Automation Publication 1500-UM055G-EN-P - May 2013
Appendix B ArcShield Plenum Installation Instructions
Figure 86 - 90° Elbow Section Assembly, Step 5C (Front View)
STEP 6 – Mounting
Extension/Elbow to Plenum
“Line-up” As referred to in STEP 4 – Closing the Front of the Plenum Sections on page 83 ,
the last Plenum at the exhaust side of the line-up has the front duct section
removed. This allows access to fastener holes in order to mount the Extension/
Elbow components (see
Figure 87 ).
Figure 84 - 90° Elbow Section Assembly, Step 5A (Front View) Figure 85 - 90° Elbow Section Assembly, Step 5B (Front View)
36 in. extensions
2-piece 90 °
elbow section
Screen Cover Plate
The Extension components are
attached to the Elbow Section using
5/16-in. Hardware.
Figure 86 illustrates what the
Extension/Elbow Assembly should
resemble when finished.
Screen Cover Plate
36 in. extensions
TIP Use silicone caulking generously to fill any air gaps once the Plenum has been
securely mounted in place.