Rockwell Automation 1512A MV Controllers - 800A One-High Cabinet - Manual (Page 103)

ArcShield Chimney Installation Instructions C-5
1512A-UM102B-EN-P –June 2013
Chimney Placement on Structure
Once the Chimney has been lifted in place directly over the relief vent,
(Shown in Figure B.7) all ¼ -20 fasteners, removed in “Cabinet
Preparation” above, are replaced to attach the chimney to the top of the
enclosure.
Use recommended torque value
for 1/4 - 20 fasteners
Figure C.5 – Chimney Placement
NOTE: Use silicone caulking generously to fill any air gaps once the
chimney has been securely mounted in place.