STEP 4
Plenum Installation (cont.)
Secure plenum using the field supplied screws
through the four provided slots in the plenum front
face.
A
Screws
A
Caulk may need to be applied to the outside of
the building along all top, bottom and sides of the
plenum to ensure a water tight seal.
Installation Instructions
A
A
Proper Caulking*
All 4 sides
* Field Supplied Parts
If additional screws are used to secure the inside of
the wall plenum to the rough opening framing, only
drive screws through the vertical sides of the wall
plenum. Water may penetrate into framing if screws
are driven into the bottom of the plenum.
See Detail A.
Apply caulk on the bottom of the plenum at the
seam between part A and part B, running the caulk 3
inches up each side.
4
Detail A
Four places
Printed in China