Empire Comfort Systems VFP32FB Series Installation Instructions And Owner's Manual page 11

OPTIONAL FRESH AIR KIT INSTALLATION INSTRUCTIONS
4. Fasten the Handle Retainer to the firebox side with two
10 x 1/2 Phillips Truss Head Screws as shown in Figure 16.
5. Push the handle for Open position and pull the handle for the
Closed position. See Figure 17.
33742-6-1217
Figure 17
Completion of Air Kit installation
1. Determine the length of 4 inch diameter rigid or flex duct con-
nector (installer supplied) you will need from the firebox/fire-
place to the exterior surface of the outside wall, where the air
kit hood will be installed. Add a few extra inches to the length
to allow for easier attachment of the outside duct connection
prior to securing the outside rain cap hood to the building.
2. Secure the 4 inch diameter duct to the Slide Assembly collar
on the firebox with band clamps or screws (installer supplied).
3. Run the other end of the duct through the exterior wall cutout.
4. From the outside of the building, connect the duct to the collar
on the outside air vent assembly with band clamp or screws
to secure (installer supplied).
5. Secure the Outside Air Vent Assembly to the outside wall with
the four 10 x 1 1/2 Hex Head Slotted Screws provided. Seal
with caulk as necessary. See Figure 18.
6. Figure 19 illustrates the various options for installation of the
air duct run possibilities.
NOTICE: In installations where the flex duct would normally be
straight (without turns), it is recommended a turn or dip
be added in the run to reduce air velocity.
WALL
Caulk and Install Duct Termination
CAULKING
OUTSIDE
AIR VENT ASSY
Figure 18
RECOMMENDED TO
ELIMINATE COLD AIR
DRAFT
Figure 19
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