Empire Comfort Systems DVLXG55BP90N Installer's Manual page 32

TYPICAL BASEMENT INSTALLATION
1" (2.5cm)
MINIMUM
32
VENTING FIREPLACE
COMBUSTIBLE
PROJECTION
18" (45.7cm)
MINIMUM
12" (30.5cm) ABOVE GRADE
OR AVERAGE EXPECTED
SNOW LEVEL
VENT INFORMATION
Begin the vent system installation by identifying the path
the vent will take from the fireplace to the power-vent.
Verify clearances are met throughout the entire path of the
venting system.
Determine how the vent system will be terminated,
(vertically or horizontally). Verify clearances for the
termination.
NOTICE: If terminated vertically, DVKCVP (Vertical
Conversion Kit) is required.
NOTICE: This Power-Vent cannot be vented out the rear
of the fireplace.
NOTICE: This Power-Vent can only be used with DuraVent
Direct Vent Pro® 4 X 6-5/8 inch piping.
NOTICE: All outer connection joints must be sealed
with aluminum tape or silicone sealant rated above
300°F/149°C. The inner flue joints do not require any
sealant.
This power vent can be routed in any
path as long as it meets the following
requirements:
• Maximum vertical distance above fireplace floor=50 ft
• Maximum effective length =
Equation 1
calculations shown in
• Minimum effective length = 2 ft *
• Maximum 6-90° elbows or 12-45° elbows
• Maximum 5 ft below the base of the fireplace
• Maximum drop of 12 ft from highest point in run.
• If vent pipe runs downward it cannot turn back upward.
* excess fan noise may be present at this distance
50 ft
(effective length
on next page).