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VENTING REQUIREMENTS
Flexible ductwork is not recommended. Flexible ductwork
creates back pressure and air turbulence that greatly
reduces performance.
WARNING - To Reduce The Risk Of Fire, Use Only Metal Ductwork.
WARNING - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, do
not use this fan with any solid-state speed control device.
WARNING - TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK, OR
INJURY TO PERSONS, OBSERVE THE FOLLOWING: Use this unit only
in the manner intended by the manufacturer. If you have any ques-
tions, contact the manufacturer.
Before servicing or cleaning unit, switch power off at service panel
and lock the service disconnecting means to prevent power from
being switched on accidentally. When the service disconnecting
means cannot be locked, securely fasten a prominent warning
device, such as a tag, to the service panel.
CAUTION: For General Ventilating Use Only. Do Not Use To Exhaust
Hazardous or Explosive Materials and Vapors.
WARNING - TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK,
OR INJURY TO PERSONS, OBSERVE THE FOLLOWING: Installation
Work And Electrical Wiring Must Be Done By Qualied Person(s)
In Accordance With All Applicable Codes And Standards, Including
Fire-Rated Construction.
Sufcient air is needed for proper combustion and exhausting of
gases through the ue (chimney) of fuel burning equipment to prevent
backdrafting. Follow the heating equipment manufacturer's guideline
and safety standards such as those published by the National Fire
Protection Association (NFPA), and the American Society for Heat-
ing, Refrigeration and Air Conditioning Engineers (ASHRAE), and the
local code authorities.
When cutting or drilling into wall or ceiling, do not damage electrical
wiring and other hidden utilities.
Ducted fans must always be vented to the outdoors.
WARNING
WARNING
ELECTRICAL REQUIREMENTS
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For residential use only.
!
!
Cold Weather installations
additional back draft damper should be installed to minimize
backward cold air ow and a nonmetallic 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.
CAUTION - To reduce risk of re and to properly exhaust
air, be sure to duct air outside – Do not vent exhaust air into
spaces within walls or ceilings or into attics, crawl spaces,
or garages.
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