Outside Air Duct–Optional (Part# 096-915)
After the fireplace is correctly positioned, connect the outside air inlet of the fireplace to the outside (see adjacent Diagram).
The air inlet MUST be at least 5' below the top of the chimney flue and must never terminate in attic spaces.
A 4" diameter duct can be used if the total duct run is less than 20'. For longer runs, use 5" diameter duct.
1. Find a convenient location for the combustion air duct and outside air inlet. The outside air inlet can be above or below
floor level.
2. Make a 4 ¼” (5 ¼” if using a 5” diameter duct) hole in the outside wall of the house. Push the outside air hood in from
the outside. Seal the joint between the air hood and the outside wall with an appropriate sealant.
3. Place the insulated flexible duct over the round sleeve on the outside air hood. At both ends, carefully pull back the
insulation and plastic cover, exposing the flexible duct. Then at each end, attach the duct with supplied metal screws
to the air hood and to the fireplace connecting sleeve. Carefully push the insulation and cover back over the duct. Tape
the plastic cover in place with 2” aluminum duct tape (not supplied).
Outside Air Connection and Installation
Example
CAUTION: WHEN RUNNING THE DUCT AROUND
CORNERS, AVOID CRUSHING THE DUCT WHICH CAN
RESTRICT THE COMBUSTION AIRFLOW.
Insulated
Flexible
Air Duct
2" Aluminum
Duct Tape
Outside Air Inlet:
either above or below
the level of the fireplace
Ducting -
4" diameter x 4' length
CF780 Wood Fireplace
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15
installation
Содержание CF780
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