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Venting requirements
•
The discharge circuit must vent the air to the outside.
•
Do not terminate the venting system in an attic or other enclosed space such as inside walls.
•
Do not use a wall cap of 4'' (10.2 cm) normally used for laundry equipment.
•
Use metal venting equipment only. A rigid metal vent is recommended. Do not use a plastic or aluminum
duct.
•
The length of the discharge pipe and the number of elbows should be minimal in order to provide the best
performance
.
For an efficient and quiet operation:
•
Do not use more than three (3) 90° elbows.
•
Ensure that there is a straight section of pipe a minimum of 24'' (61 cm) between the elbows if you must
use more than one.
•
Do not install two (2) consecutive elbows.
•
The discharge circuit must include a check valve.
•
At each juncture of the exhaust system, make sure to seal with clamps.
•
Using caulking, seal around the exhaust hood to the outside (that passes through the wall or roof).
•
The size of the pipe must be the same throughout.
Air booster
Local building codes may require the use of an air exchange system / extra air supply when using a flow suction system
that exceeds a specified value (cubic feet per minute). The rate specified in cubic feet per minute varies from one jurisdiction
to another. Consult a heating, ventilation and air conditioning specialist for specific requirements in your local jurisdiction.
Evacuation (exhaust) methods
This hood has been configured to evacuate to the outside through the roof or through the wall. The discharge system
required for installation is not provided. A discharge circuit with circular duct 6 '' (15.2 cm) is recommended.
Evacuation through the roof
Duct of 6'' (15.2 cm) in
A.
diameter to discharge
through the roof
B.
Discharge exit through roof
Evacuation through the wall
Duct of 6'' (15.2 cm) in
A.
diameter to discharge
through the wall
B.
Discharge exit through wall
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