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(c)Installation work and electrical wiring must be done by qualified
person(s) in accordance with all applicable codes & standards
including fire rated construction.
(d)Sufficient air is needed for proper combustion and exhausting of
gases through the flue (chimney) of fuel burning equipment to prevent
back drafting. Follow the heating equipment manufacturers
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.
(e)When cutting or drilling into wall or ceiling, do not damage electrical
wiring and other hidden utilities.
(f) Ducted fans must always be vented to the outdoors.
(g)If this unit is to be installed over a tub or a shower, it must be marked
as appropriate for the application and connected to a GFCI (Ground
Fault Circuit Interrupter) – protected branch circuit.
(h)Never place a switch where it can be reached from a tub or shower.
(i) CAUTION: For General Ventilating Use Only. Do Not Use To Exhaust
Hazardous Or Explosive Materials And Vapors.
(j) CAUTION: This unit has an unguarded impeller. Do Not Use In
Locations Readily Accessible To People Or Animals.
(k) TO REDUCE THE RISK OF FIRE OR SHOCK, THIS FAN SHOULD
ONLY BE USED WITH FAN SPEED CONTROL PART NO KBWC-16,
MANUFACTURED BY KB ELECTRONICS.
The POWERVENT series can be mounted in any orientation, horizontal
or vertical, and is suitable for numerous types of applications. It is
recommended that the booster fan is mounted in the ductwork not less
than 15 feet from the exhaust outlet of the dryer. Installation of the fan
closer than the recommended 15 feet may allow enough pressure to lift
wet lint into the fan impeller. This can result in excessive lint loading in the
fan and drastically affect performance and can restrict the performance
of the system. The best location for the fan to be mounted is as close as
possible to the desired 15 feet from the dryer's exhaust outlet. (Exception:
If a secondary lint filter is installed between the dryer and the booster fan,
the booster fan may be mounted within the minimum distance otherwise
recommended. The supplied mounting bracket attached to a rafter or
joist should be used to stabilize the fan. (Consult local codes prior to
supporting the fan in the duct alone if rafter or joist is not available to
secure the fan.) The duct connection should be properly sealed to prevent
leakage and loss of fan performance. It is recommended to maximize
performance that rigid duct is utilized. If flexible duct connections between
the dryer duct connection and exhaust duct are utilized, the duct should
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