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4 Hood Exhaust Duct
When the hood is vented to the outside, a hood exhaust
duct is required. All ductwork must be metal; absolutely
do not use plastic duct. Check that all connections are
made securely. Please read the following carefully:
Exhaust cOnnEctiOn: The hood exhaust has
been designed to connect to a standard 3-1/4" x 10"
rectangular duct. If round duct is required, a rectangular-
to-round adapter must be used.
rEar Exhaust: If a rear or horizontal exhaust is to be
used, care should be taken to align the exhaust with the
space between the studs, or wall should be prepared
at the time it is constructed by leaving enough space
between wall studs to accommodate exhaust.
maximum duct lEngth: For satisfactory air
movement, the total duct length of 3-1/4" x 10"
rectangular or 6" diameter round duct should not exceed
140 feet.
Elbows, adapters, wall caps, roof caps, etc. present
additional resistance to air flow and are equivalent to a
section of straight duct which is longer than their actual
physical size. When calculating the total length, add the
equivalent lengths of all transitions and adapters plus
the length of all straight duct sections. Figure 3 shows
the approximate feet of equivalent length of some
typical ductwork parts. Use the values in parentheses for
calculating air flow resistance equivalent, which should
total less than 140 feet.
5 Tools Recommended for
Installation
• Phillips Screwdriver
• Electric Drill
• Scissors
• Saw to cut exhaust
opening (if needed)
6 Installation Hardware
The INSTALLATION HARDWARE items 1 - 5 are in
a small bag. Items 6 - 9 are packed separately. All
items are in a small carton packed below the oven.
item
Part name & code
Wood Screw 5 X 35 mm
1
Toggle Bolt with nuts #10 - 24 x 50 mm
2
Top Cabinet Screw 5 x 85 mm
3
Tapping Screw 4 x 12 mm
4
Flat Washer 30 mm diameter
5
Rear Cushion
6
Exhaust Damper Assembly
7
Scale Plate
8
Grease Filter
9
Parts shown not to common scale.
3
• Pencil
• Measure
• Tape
• 1/2", 5/8" and
3/32" Drill Bits
qtY
4
4
2
1
2
1
1
2
2
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