Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019 261
ArcShield Plenum Installation Instructions Appendix E
Plenum Placement on Structure
Once the Plenum has been lifted in place directly over the relief vent (shown in
Figure 88
), all 1/4-20 fasteners, removed in Cabinet Preparation above, are
replaced to attach the Plenum to the top of the enclosure. Use hand tools only.
Figure 88 - Plenum Placement
STEP 2 – Alignment of
“Side-by-Side” Plenums
Plenums mounted side-by-side must be fastened together through the aligning
holes using 5/16-inch supplied hardware (see Figure 89
).
Use recommended torque
value for 1/4-20 fasteners
TIP Use silicone caulking generously to fill any air gaps once the Plenum has been
securely mounted in place.
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