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5" round duct may be used on SHORT DUCT runs of
3 feet or less, such as direct to outside wall venting
To convert blower exhaust direction, remove four
nuts behind the filter which hold blower and wire
finger guard
Rotate blower and reinstall to vent chamber, as
shown above Retighten nuts, but do not overtighten
Use galvanized or aluminum duct in 6” round or 3
1
⁄4”
x 10" size, or a combination of both
PVC duct should be used if installing under a poured
concrete slab
Local building code must be followed in
specifying approved type and schedule of ALL
duct used
Always use an appropriate roof or wall cap with
damper Laundry-type wall caps should NEVER
be used
Install ductwork, making male-female connections
in the direction of airflow as shown Secure all joints
with sheet metal screws and duct tape to assure an
airtight seal
Use the shortest and straightest duct run possible
For satisfactory performance the duct run should
not exceed 100 feet equivalent length Refer to
DUCTWORK CALCULATIONS for equivalent lengths
Use this chart to calculate the total equivalent
length of the ductwork
Through Cabinet Toe Space Between Floor Joist
Downward Venting
Inside Wall to Roof Direct to Outside
Rear Wall Venting
Duct Tape Over Seam
and Screw
Air Flow
Screw
6
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