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@
LnstaHing the Duct'work
Use minimum 26 gauge galvanized or 24 gauge alu-
minum duct in 6" round or 3W" x t0" size, or combina-
tion of both.
PVC duct should be used if installing under a poured
concrete slab.
NOTE: Local building code must be followed in speci-
fying approved type and schedule of PVC duct used.
5" round duct may be used on SHORT DUCT runs.
But, note higher equivalent lengths for each 5" dia.
piece used. Don't convert back to 5" duct after use of
6" round or 3'/.," x 10" duct.
Always use an appropriate roof or wall cap with
damper. Laundry type walt caps should NEVER by
used.
ThruCabinetTeeSpace
BetweenFloorJoist
DownwardVenting
install ductwork, making male-female connections in
direction of airflow as shown. Secure all joints with
sheet metal screws and duct tape to assure airtight
seal.
-DuctTape
Over Seam and Screw
Screw
Select downward or wall venting. To convert blower
exhaust direction, remove four nuts inside the plenum
which hold blower and wire finger guard. Remove
blower and rotate so that exhaust faces downward or
rear direction needed. Replace wire finger guard and
nuts. Retighten nuts.
Blower exhaust direction can be adjusted slightly
while in its vertical or horizontal direction by loosen-
ing four nuts holding blower, rotating blower and
retightening nuts.
Use the shortest and straightest duct run possible. For
satisfactory performance the duct run should not
exceed t00 feet equivalent length, Refer to TABLE 1
of equivalent lengths. Use TABLE 1 to calculate the
total equivalent length of the ductwork,
Inside Wall to Roof
Direct to Outside
RearWall Venting
(continued next page)
5
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