Fisher and Paykel CDV2-365HN N Installation Guide - Page 8

Proper Ventilation Requirements

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6 PROPER VENTILATION REQUIREMENTS US CA 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 RECOMMENDED MAXIMUM OF 42" ABOVE THE COOKING SURFACE. If the hood contains any combustible materials (ie 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: (19" Deep x Unit Width) BLOWER: 36" COOKTOPS min 550 CFM 30" COOKTOPS min 550 CFM 18" Min. clearance to combustible surface from side of cooktop outer edge 30" Min. clearance to non-combustible surface, 36" Min. clearance to combustible surface - from cooking surface COOKING SURFACE ∆ AS DEFINED IN THE "NATIONAL FUEL GAS CODE" (ANSI Z223.1, LATEST EDITION). THE HORIZONTAL SURFACES OF THE RANGE TOP (COOKTOP) TRIM MUST NOT BE BELOW COUNTERTOP LEVEL. NOTE: SEE MANUFACTURER'S RECOMMENDATIONS FOR DUCTING SPECIFICATIONS.

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6
US
CA
PROPER VENTILATION REQUIREMENTS
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 RECOMMENDED
MAXIMUM OF 42” ABOVE THE COOKING SURFACE. If the hood contains any combustible materials (ie 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:
(19” Deep x Unit Width)
BLOWER:
36” COOKTOPS
30” COOKTOPS
min 550 CFM
min 550 CFM
30" Min. clearance to
non-combustible surface
,
36" Min. clearance to
combustible surface – from
cooking surface
18" Min. clearance to
combustible surface
from side of cooktop
outer edge
COOKING SURFACE
∆ AS DEFINED IN THE “NATIONAL FUEL GAS CODE” ±ANSI Z223.1, LATEST EDITION².
THE HORIZONTAL SURFACES OF THE RANGE TOP ±COOKTOP² TRIM MUST NOT BE
BELOW COUNTERTOP LEVEL.
NOTE: SEE MANUFACTURER’S RECOMMENDATIONS FOR DUCTING SPECIFICATIONS.