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Venting Requirements
Vent system must terminate to the outdoors.
Do not terminate the vent system in an attic or other enclosed
area.
Do not use 4" (10.2 cm) laundry-type wall caps.
Use metal vent only. Rigid metal vent is recommended.
Plastic or metal foil vent is not recommended.
The length of vent system and number of elbows should be
kept to a minimum to provide efficient performance.
For the most efficient and quiet operation:
Use no more than three 90° elbows.
Make sure there is a minimum of 24" (61.0 cm) of straight
vent between the elbows if more than 1 elbow is used.
Do not install 2 elbows together.
Use clamps to seal all joints in the vent system.
The vent system must have a damper. If the roof or wall cap
has a damper, do not use the damper supplied with the grill
vent hood.
Use caulking to seal exterior wall or roof opening around the
cap.
The size of the vent should be uniform.
Venting Methods
This canopy grill vent hood is factory set for venting through the
roof or through the wall.
A 10" (25.4 cm) round vent system is needed for installation (not
included). The hood exhaust opening is 10" (25.4 cm) round.
NOTE: Flexible vent is not recommended. Flexible vent creates
back pressure and air turbulence that greatly reduce
performance.
Vent system can terminate either through the roof or through the
wall. To vent through a wall, a 90° elbow is needed.
Rear discharge
A 90° elbow may be installed immediately above the hood.
Roof Venting
C
B
A
D
A. Optional decorative duct cover
B. 10" (25.4 cm) round vent
C. Roof cap
D. 10" (25.4 cm) round vent
transition
Wall Venting
C
B
A
D
A. Optional decorative duct cover
B. 10" (25.4 cm) round vent and
elbow
C. Wall cap
D. 10" (25.4 cm) round vent
transition
Calculating Vent System Length
To calculate the length of the system you need, add the
equivalent feet (meters) for each vent piece used in the system.
Vent Piece
45° elbow
90° elbow
Maximum equivalent vent length is 35 ft (10.7 m).
Example vent system
90 elbow
6 ft (1.8 m)
2 ft
(0.6 m)
The following example falls within the maximum recommended
vent length of 35 ft (10.7 m).
1 - 90° elbow
= 5.0 ft (1.5 m)
1 - wall cap
= 0.0 ft (0.0 m)
8 ft (2.4 m) straight
= 8.0 ft (2.4 m)
Length of system
= 13.0 ft (3.9 m)
Electrical Requirements
Observe all governing codes and ordinances.
Ensure that the electrical installation is adequate and in
conformance with National Electrical Code, ANSI/NFPA 70 (latest
edition), or CSA Standards C22.1-94, Canadian Electrical Code,
Part 1 and C22.2 No. 0-M91 (latest edition) and all local codes
and ordinances.
If codes permit and a separate ground wire is used, it is
recommended that a qualified electrician determine that the
ground path is adequate.
A copy of the above code standards can be obtained from:
National Fire Protection Association
One Batterymarch Park
Quincy, MA 02269
CSA International
8501 East Pleasant Valley Road
Cleveland, OH 44131-5575
A 120 Volt, 60 Hz., AC only, 15-amp, fused electrical circuit is
required.
10" (25.4 cm) Round
2.5 ft
(0.8 m)
5.0 ft
(1.5 m)
Wall cap
5
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