Rockwell Automation 1512A MV Controllers - 800A One-High Cabinet - Manual (Page 78)

A-4 ArcShield Unit Information
1512A-UM102B-EN-P – June 2013
23 [584]
25 [633]
Figure A.2 – Cross-section of plenum extension, dimensions in inches [mm].
The following options for locating the plenum exhaust are presented:
1. Plenum ducted to an area of the control room where arc gases are
permitted to escape, with plenum extensions (see Figures 4 and 5).
2. Plenum duct to outside of control room (see Figures 6 and 7).
Plan the location where the plenum will exhaust. Ensure that:
 There is no access to personnel while equipment is energized.
 Area is free of flammable material or vapors
Ensure that adequate space is provided around the plenum exhaust, as
outlined in Figures A.3 through A.6.
I M P O R T A N T I M P O R T A N T
Be aware that equipment in the area of the plenum
exhaust point will be damaged or destroyed.
Plenum