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PROPER VENTILATION REQUIREMENTS
6
IMPORTANT INFORMATION:
CAUTION
:
Ventilation hoods and blowers are designed for use with single wall ducting.
However, some local building codes or inspectors may require double wall
ducting. Consult local building codes and/or local agencies before starting, to
ensure that hood and duct installation will meet local requirements. Hood
blower speeds should be variable to reduce noise and loss of heated or air
conditioned household air when maximum ventilation is not required.For best
smoke elimination, the lower edge of the hood should BE INSTALLED A
MINIMUM OF 30" TO A MAXIMUM OF 36" ABOVE THE COOKING SURFACE.If the
hood contains any combustible materials (i.e. a wood covering) it must be a
minimum of 36" above the cooking surface.Due to a high volume of ventilation
air, a source of outside replacement air is recommended. This is particularly
important for tightly sealed and insulated homes. A reputable heating and
ventilating contractor should be consulted.
VENTILATION REQUIREMENTS:
STANDARD COUNTER INSTALLATION RECOMMENDATIONS
HOOD: (24" Deep x Unit Width)
BLOWER: 30”/36" COOKTOPS
600 CFM min.
3O" Min. clearance to
non-combustible surface,
36" Min. clearance to
combustible surface – from
cooktop cooking surface
18" Min. clearance to
combustible surface
from side of cooktop
outer edge
5"
min. to
combustible
surface
∆ As defined in the “National Fuel Gas Code”(ANSI Z223.1,lastest edition).
The horizontal surfaces of the range top (cooktop) trim must not be below
countertop level.
NOTE:See manufacture’s recommendations for ducting specifications.