Friedrich VERT-I-PAK VHA09K Installation & Operation Manual page 17

Single package heat pump

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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. Flash the inside of the rough opening to ensure the proper fit and level.

3. Insert inside plenum half (Part B) into outside plenum half (Part A). Ensure that Part A does not back out of the

rough opening.

4. Remove the inside plenum half.

5. Apply sealant to the inside plenum half and insert inside the outside plenum to ensure a water-tight seal.

Caulk all 8

Flange Corners

and Unused

Holes

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