STEP 3
Plenum Installation (cont.)
Secure plenum using the field supplied screws through
the four provided slots in the plenum rear face.
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.
* Field Supplied Parts
Installation Instructions
Screws*
Proper Caulking*
All 4 sides
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.
Drive screws through
vertical sides of wall
plenum to secure
through rough
opening.
DO NOT drive screws
through the bottom of
the plenum.
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.
Add additional insulation pieces (peel and stick) to
exposed metal interior surfaces.
Peel and Stick
Insulation
4
Printed in China