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 | 6" (15.2 cm) Round |
45° elbow | 2.5 ft |
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90° elbow | 5.0 ft |
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6" (15.2 cm) | 0.0 ft |
wall cap | (0.0 m) |
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3¹⁄₄" x 10" (8.3 cm x 25.4 cm) | 4.5 ft |
to 6" (15.2 cm) transition | (1.4 m) |
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6" (15.2 cm) to 3¹⁄₄" x 10" | 1 ft |
(8.3 cm x 25.4 cm) transition | (0.3 m) |
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3¹⁄₄" x 10" (8.3 cm x 25.4 cm) | 5.0 ft |
to 6" (15.2 cm) 90° elbow | (1.5 m) |
transition |
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6" (15.2 cm) to 3¹⁄₄" x 10" | 5.0 ft |
(8.3 cm x 25.4 cm) 90° elbow | (1.5 m) |
transition |
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3¹⁄₄" x 10" (8.3 cm x 25.4 cm) | 5.0 ft |
90° elbow | (1.5 m) |
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3¹⁄₄" x 10" (8.3 cm x 25.4 cm) | 12.0 ft |
flat elbow | (3.7 m) |
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3¹⁄₄" x 10" (8.3 cm x 25.4 cm) | 0.0 ft |
wall cap | (0.0 m) |
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Example vent system
wall cap
90˚ elbow
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| 6 ft (1.8 m) |
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| 2 ft |
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(0.6 m) |
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1- 90° elbow | = 5 ft (1.5 m) | |||||||||||
8 ft (2.4 m) straight | = 8 ft (2.4 m) | |||||||||||
1 - wall cap | = 0 ft (0 m) | |||||||||||
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System length | = 13 ft (3.9 m) | |||||||||||
NOTE: Flexible vent is not recommended. Flexible vent creates back pressure and air turbulence that greatly reduce performance.
Electrical Requirements
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Use 8 gauge copper wire.
Electrically ground cooktop.
Failure to follow these instructions can result in death, fire, or electrical shock.
If codes permit and a separate ground wire is used, it is recommended that a qualified electrical installer determine that the ground path and wire gauge are in accordance with local codes.
Check with a qualified electrical installer if you are not sure the cooktop is properly grounded.
Make sure that the electrical connection and wire size are adequate and in conformance with the National Electrical Code, ANSI/NFPA
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
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