Wall Plenum and Architectural Louver Installation
Install the wall plenum components in accordance with the installation instructions provided.
NOTE: IMPORTANT REMINDER FRIEDRICH WALL PLENUM IS NOT DESIGNED TO CARRY STRUCTURAL LOADS.
PROPER WALL HEADER CONSTRUCTION IS REQUIRED. THE PLENUM REQUIRES PROPER FLASHING, SHIM
AND CAULK FOR A WEATHER RESISTANT INSTALLATION.
YOUR WALL PLENUM WILL WORK ONLY IF INSTALLED CORRECTLY. TAKE NOTICE TO INSTALL IT IN THE
CORRECT ORIENTATION AS SHOWN IN THE ILLUSTRATIONS. ALWAYS FOLLOW LOCAL AND NATIONAL CODES
FOR PROPER INSTALLATION.
Figure 5
Included Parts
There are two parts to a Wall Plenum:
A) 1-Outside Assembly (Part A)
B) 1-Inside Assembly (Part B)
PART A CORRECT ORIENTATION:
LOUVER ATTACHMENT
FLANGES TOWARD THE BUILD-
ING OUTSIDE, 45°
DRIP LEDGE AT THE BOTTOM.
6
Part B
Inside
Plenum
Part A Out-
side Plenum
PART B CORRECT ORIENTATION:
LARGE OPENING TO BOTTOM
3/4" FLANGE TOWARD THE INSIDE
OF THE BUILDING.
Figure 6
Field Supplied Parts:
Caulk, Attachment screws and Flashing
are fi eld supplied. Silicone caulk is
recommended.
VPAWP1-8 adjusts for walls 5.5 - 8.0" thick.
VPAWP1-14 adjusts for walls 8 - 14.0" thick.
Both installations are similar.
Caulk
Header materials /
wall studs
Flashing
Shim
1" –3" Screws to attach
the plenum assembly
to the wall studs