Rockwell Automation 1512B MV Controllers, 200/400A Two-High Cabinet, Standard and Arc-Resistant Enclosure - Manual (Page 87)

Rockwell Automation Publication 1500-UM055G-EN-P - May 2013 79
ArcShield Plenum Installation Instructions Appendix B
Figure 76 - ArcShield Line-up
Plenum exhaust can be on the left or right hand end of the line up. Pictures and
figures in this procedure are shown for a right hand exhaust exit direction. Also
shown is an optional vertical (top) direction exhaust extension (see
Figure 88 ).
STEP 1 – Mounting a Single
Plenum Before mounting a single Plenum over an MV enclosure, the front duct section
must first be removed. This is shown in
Figure 77 .
Figure 77 - Removing Front Duct Section
Sealed end
36 in. Exhaust
extension
Exhaust end
IMPORTANT Plenum components not directly mounted to the tops of the MV enclosures,
must have additional mounting support. This includes the Extension
components and 90° Elbow Sections (refer to
STEP 7 – Additional Mounting
Support on page 86 ).
Front Duct Section
Components