6
Makeup air
Local building codes may require the use of makeup air systems
when using ventilation systems with greater than specified CFM
of air movement. The specified CFM varies from locale to locale.
Consult your HVAC professional for specific requirements in your
area.
Venting Methods
This range hood is factory set for venting through the roof or
through the wall.
The vent system needed for installation is not included.
A 3
¹⁄₄
" x 10" (8.3 cm x 25 cm) rectangular vent system is
recommended.
Calculate Vent System Length
The recommended vent system length is 3
¹⁄₄
" x 10" (8.3 cm x
25 cm) vent with maximum length of 26 ft (8 m) for vent system.
For the best performance, use no more than three 90° elbows.
To calculate the length of the system, add the equivalent feet
(meters) for each of the vent pieces used in the system.
Example vent system
3
¹⁄₄
"
x 10" (8.3 cm x 25 cm)
Non-Vented (recirculating) Installations Through the
Soffit/Cabinet
If it is not possible to vent cooking fumes and vapors to the
outside, the range hood can be used in the non-vented
(recirculating) version, using an activated carbon filter. Charcoal
Filter Kit Part Number 883140 is available from the dealer or an
authorized parts distributor. Damper installation is not required.
Roof Venting
Wall Venting
A. 3
¹⁄₄
" x 10" (8.3 cm x 25 cm)
vent through the roof
B. Roof cap
A. 3
¹⁄₄
" x 10" (8.3 cm x 25 cm)
vent through the wall
B. Wall cap
Vent Piece
3
¹⁄₄
" x 10" (8.3 cm x 25 cm)
3
¹⁄₄
" x 10" (8.3 cm x 25.4 cm)
90° elbow
5.0 ft
(1.5 m)
3
¹⁄₄
" x 10" (8.3 cm x 25.4 cm)
flat elbow
12.0 ft
(3.7 m)
3
¹⁄₄
" x 10" (8.3 cm x 25.4 cm)
wall cap
0.0 ft
(0.0 m)
A
B
A
B
Maximum Length
= 26 ft (8 m)
1 - 90° elbow
= 5 ft (1.5 m)
1 - wall cap
= 0 ft (0 m)
9 ft (2.8 m) straight
= 9 ft (2.8 m)
System length
= 14 ft (4.3 m)
A. 3
¹⁄₄
" x 10" (8.3 cm x 25 cm) vent
B. 3
¹⁄₄
" x 10" (8.3 cm x 25 cm) elbow
C. Vent cover
D. Soffit
A. Range hood
B. Vent system
C. Top of cabinet
D. Vent cover
E. Ceiling or soffit
90˚ elbow
3 ft
(0.93 m)
6 ft (1.8 m)
Wall cap
A
B
C
D
A
B
C
D
E
