Friedrich VRP Series Installation & Operation Manual page 15

Wall Plenum Installation
Step 2 - Inside Wall Plenum Half
Detail A
1) Apply sealant to all 4 flange corners and unused holes. See Detail A.
2) Place the baffle (Part D) on the approprate baffle mounting tabs located on the inner perimeter of the inside
plenum half based on unit size (Compact/Standard).
3) Flash the inside of the rough opening to ensure the proper fit and level.
4) Insert inside plenum half (Part B) into Outside Plenum Half (Part A). Ensure that Part A does not back out of
the rough opening.
5) Remove the inside plenum half.
6) Apply sealant to the outside plenuem half and insert into the rough opening to ensure a water-tight seal.
15
Caulk all 8
Flange Corners
and Unused
Holes