User Manual

— 11 —
IMPORTANT:
r A minimum of 6 in. (15.3 cm) round or 3-1/4 × 10 in. (8.3
cm × 25.4 cm) rectangular duct must be used to maintain
maximum airflow efficiency.
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total available duct run when using elbows, transitions
and caps.
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transitions and turns. If long duct run is required,
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cm) or 8 in. (20.3 cm). If a reducer is used, install a
long reducer instead of a pancake reducer. Reducing
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from opening and as far apart, between two (2), as
possible.
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bottom should be no less than 24-inch (61 cm) for
electric cook tops and minimum of 30-inch (76.2 cm)
for gas stove tops and no higher than 30-inch (76.2 cm)
for electric cook tops.
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height. Hoods mounted too low could result in heat
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may be hard to reach and will lose its performance and
efficiency.
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height clearance requirements and recommended
hood mounting height above range.
Installation
r This range hood is factory set for venting through the roof or wall.
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IMPORTANT:
t NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or
garages. All exhaust must be ducted to the outside.
r Use metal/aluminum duct work only.
r Fasten all connections with sheet metal screws and tape all joints with certified Silver Tape or Duct Tape.
r Use caulking to seal exterior wall or roof opening around the cap.
TOP VENTING
ROOF EXHAUST
TOP VENTING
WALL EXHAUST
REAR VENTING
Duct Run
Calculation
example:
One roof cap, two
90º elbows, and
one 45º elbow use.
0ft + 9ft + 9ft + 5ft
= 23ft used.
Deduct 23ft from
30ft, 7ft maximum
available for
straight duct run.