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Version 02/12 - Page 2
VENTING REQUIREMENTS
Determine which venting method is best for your application.
Ductwork can extend either through the wall or the roof.
The length of the ductwork and the number of elbows should
size of the ductwork should be uniform. Do not install two
around the cap.
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.
cut, then a supporting frame must be constructed.
TO PAGE 4.
WARNING - To Reduce The Risk Of Fire, Use Only Metal
Ductwork.
ELECTRICAL REQUIREMENTS
separate 15 amp fused circuit. A time-delay fuse or circuit
breaker is recommended. The fuse must be sized per local
codes in accordance with the electrical rating of this unit as
must conform to the requirements of the National Electrical
ordinances. Wire size and connections must conform with the
may be obtained from:
National Fire Protection Association
Quincy, Massachusetts 02269
home.
other enclosed space.
ventilation air.
This appliance should be connected directly to the fused
nonmetallic sheathed copper cable. Allow some slack in the
cable so the appliance can be moved if servicing is ever nec-
at each end of the power supply cable (at the appliance and at
When making the electrical connection, cut a 1 1/4" hole in the
wall. A hole cut through wood must be sanded until smooth. A
hole through metal must have a grommet.
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:
manufacturer. If you have any questions, contact the
manufacturer.
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:
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
-
ties.
electrical wiring and other hidden utilities.
D) Ducted fans must always be vented to the outdoors.
WARNING
nonmetallic gaskets or other materials, DO NOT
use for grounding.
circuit. A fuse in the neutral or grounding circuit
could result in electrical shock.
as to whether the rangehood is properly grounded.
WARNING
For residential use only.
!
!
Cold Weather installations
An additional back draft damper should be installed to minimize
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 exhuast air into spaces within
walls or ceilings or into attics, crawl spaces or garages.
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