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Version 02/12 - Page 2
VENTING REQUIREMENTS
Flexible ductwork is not recommended. If it is used,
each foot of exible ductwork used is equivalent to
two feet of straight metal ductwork when calculating
the ductrun length. Thus, a exible elbow equals two
standard elbows.
WARNING - To Reduce The Risk Of Fire, Use Only Metal
Ductwork.
ELECTRICAL REQUIREMENTS
-
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, ELECTRI-
CAL SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING:
A) Use this unit only in the manner intended by
the manufacturer. If you have any questions, contact the
manufacturer.
B) Before servicing or cleaning unit, switch
power off at service panel and lock the service discon-
necting 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, ELECTRI-
CAL SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING:
A) Installation Work And Electrical Wiring Must Be Done
By Qualied Person(s) In Accordance With All Applicable
Codes And Standards, Including Fire-Rated Construc-
tion.
B) 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 Heating, Refrigeration and Air Conditioning Engineers
(ASHRAE), and the local code authorities.
C) When cutting or drilling into wall or ceiling, do not
damage electrical wiring and other hidden utilities.
D) Ducted fans must always be vented to the outdoors.
WARNING
WARNING
For residential use only.
!
!
Cold Weather installations
CAUTION: To reduce risk of re and to properly exhaust air, be
sure to duct air outside - do not vent exhuast air into spaces within
walls or ceilings or into attics, crawl spaces or garages.
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