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[INSTALLING
THE
DUCTWORK
NOTE
THESE INSTRUCTIONS
WILL FOLLOW THE PLANS
MADE ON PAGE 2. START AT THE EXTERIOR AND RUN
THE DUCT BACK TO THE RANGE HOOD.
FOR BEST PERFORMANCE
OF YOUR RANGE HOOD,
USE THE SHORTEST POSSIBLE DUCT RUN AND A MINI-
MUM NUMBER OF ELBOWS.
NEVER VENT A RANGE HOOD INTO AN ATTIC SPACE
BECAUSE A BUILDUP OF GREASE WILL BECOME A FIRE
HAZARD.
USE ONLY METAL DUCTWORK (DO NOT USE PLASTIC
DUCT). ASSEMBLE SECURELY SO THAT IN CASE OF A
GREASE FIRE ON THE RANGE, THE FIRE WILL BE CON-
TAINED INSIDE METAL DUCT WORK.
IT IS A GOOD PRACTICE TO TAPE ALL DUCT CONNEC-
TIONS, MAKING THEM BOTH SECURE AND AIR TIGHT.
ppropriate
directions
below for type of duct work
you are installing:
WALL
CAPS
(FIG. 9)
Use a saber
saw to cut a hole
slightly
larger
than
duct so
duct will line up easily
with
hood.
Install
casing
strips
on
outside
walls finished
in siding.
Assemble
the duct work and
tape all joints.
Run duct work back to hood.
Fasten
wall cap
to last section
of duct and nail or screw
cap to wall. Seal all
around
flange
on wall cap with
caulking
compound.
Make
sure that enough
duct
runs
into the room so that the duct
will overlap
the damper/duct
connector
by 3/4" when
the
hood
is installed.
ROOF
CAPS
Cut hole in roof slightly
larger
than duct so duct will line up
easily with hood. Trim shingles
around
hole so that they will
fit snugly
around hood of cap when cap is installed.
Assemble
the duct work and tape all joints.
Run the duct work down to
hood.
Trim duct
parallel
to roof pitch,
leaving
3/4" of duct
projecting
above
roof. Seal all around
duct with roof cement.
install
roof cap,
inserting
back edge
of cap under
shingles.
Seal around
cap with
roof cement
and seal all nail heads
and shingles
which
were
cut or lifted.
Make
sure that enough
duct runs into the room so that the
duct will overlap
the damper/duct
connector
by 3/4" when
the hood
is put into place.
FIG. 8
FRONTOF
HOR ZONTAL
TJ/8
DUCTING AND
WIRING
(Through Wall)
3-1/4" x 10" DUCT
CABINET BOTTOM
[
197'° HI !
-_" BACK WALL
VERTICAL
DUCTING AND WIRING
(Through
Cabinet Bottom)
7" ROUND
DUCT
- CABINET FRONT
WOOD SHEMS
T
t
ELECTRICAL ACCESS HOLE
___
(incabinet bottom)
FIG, 9
WALL CAP
ROOF CAP
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