Electrolux EI48HI55KS Complete Owner's Guide (Français) - Page 7
Venting Requirements
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Venting Requirements 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 and use furnace duct tape to fully seal joint connection. • Use caulking to seal exterior wall or roof opening around the cap. • The size of the vent should be uniform. • On installations using the 1200 CFM Blower Motor Systems, a 10" round vent system should be used. • You can use a smaller round vent system , but there will be a louder sound level. 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 wall. To vent through the wall, a 90° elbow is needed. Roof venting B Wall Venting A A B Cold weather installations An additional back draft damper should be installed to minimize backward cold air flow as part of the vent system. A thermal break should be installed to minimize conduction of outside temperatures as part of the vent system. The damper should be on the cold air side of the thermal break. The break should be as close as possible to where the vent system enters the heated portion of the house. Makeup air Local building codes may require the use of makeup air systems when using ventilation systems 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 • The hood exhaust opening has a 10" diameter round vent outlet. • On installations using the 600 CFM Blower Motor Systems, a 6" or 8" round vent system is recommended. A. 10" (25.4 cm) round vent B. Roof cap A. 10" (25.4 cm) round vent B.Wall cap Typical Remote Blower Motor System Venting Installations C A E D A B A D F G A H A. 10" (25.4 cm) round vent B. Mount on top of ceiling joists. C. Roof caps D. Plywood (optional for some installations) E. Mount on underside of roof rafters. F. Mount from cross-members tied to trusses. G. Duct horizontal; mount to cross-members tied to trusses. H. Wall cap