SEDONA BY LYNX™ VENT HOOD CARE & USE/INSTALLATION
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9
CARE AND USE
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If a commercially available stainless steel cleaner is used, it is important to read the labels for chlorine
compounds. Chlorine is a corrosive substance, DO NOT USE. Follow polish manufacturer’s instructions.
HALOGEN LIGHT BULBS:
Hoods are designed for halogen light bulbs (PAR20). They can be purchased at most home improvement and/or grocery
stores.
We endeavor to incorporate the best technology provided to our industry, in manufacturing Sedona by Lynx™
products, therefore, we reserve the right to change models, mode of operation, and specification without prior
notice.
IMPORTANT: Problems caused by improper installations are not covered by the manufacturer’s warranty.
IMPORTANT: Undersized and improperly installed duct pipe and/or other ventilation components will cause
excessive static pressure (air resistance), that may result in rattling, vibration and air buffeting noises, as well as
inadequate ventilation.
1.
Building Codes
Vent hoods should be installed by qualified technicians familiar with state and local building codes.
2.
Duct Pipe and Fittings (Elbows, Transitions, Roof & Wall Caps)
Use round or rectangular rigid metal duct only. Where possible, use round duct as it creates the least amount of
static pressure. DO NOT use flex duct.
All duct sections and fittings (EXCEPT DAMPERS, per Section 4), should overlap and be connected with at least
3 – 4 equally spaced screws and wrapped tightly with 2 – 3 layers of Aluminum Foil Metal Duct Tape. This type
of duct tape is more durable than traditional cloth duct tape. DO NOT use butt joints.
For best air flow, elbows and pipe size transition fittings should not be directly connected to one another. Where
possible, always include at least 15 inches of straight pipe between fittings.
3.
Duct Pipe and Fitting Sizes
IMPORTANT: No portion of any length of duct pipe or fitting should be smaller than the discharge port of the
ventilator. This is very important because any type of restriction anywhere in the ventilation system will cause
increased static pressure (air resistance), that may result in rattling, vibration and air buffeting noises, as well as
inadequate ventilation. See Duct Sizing Chart and Area Calculations section for more detail.
Duct Runs – Length
Configure the ventilation duct run to be as short and as direct to the outside as possible.
Minimize the number of elbows and transition fittings used. Complex or long runs should be
reviewed by a qualified installer.
No portion of the ducting should be run so that the exhaust air flows downward. Since exhaust heat rises,
forcing the air to flow downward will cause increased static pressure. As previously mentioned, improperly
installed duct pipe will cause excessive static pressure (air resistance), that may result in rattling, vibration and air
buffeting noises, as well as inadequate ventilation.
Duct runs for 1200CFM ventilator models should not exceed 35 linear feet with two
90-degree elbows and two 45-degree elbows, and a roof or wall cap. Longer runs or additional elbows will
result in decreased ventilation performance. Each 90-degree elbow is the equivalent of 6 linear feet of duct
pipe; each 45-degree elbow is equivalent to 3 linear feet of duct pipe.
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