Friedrich VRP Series Service & Parts Manual page 48

Wall Plenum Installation
Wall Plenum Installation 12 & 24k
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 plenum half and insert into the rough opening to ensure a water-tight seal.
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15
INSTALLATION
Caulk all 8
Flange Corners
and Unused
Holes
(Wall Plenum Installation
FIGURE 407 )