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8
Ventilation Requirements
Vent Hood Combinations:
It is recommended that these ranges be installed in conjunction with a suitable overhead vent hood.
Due to the high heat capacity of this unit, particular attention should be paid to the hood and ductwork installation to assure it
meets local building codes.
WARNING:
Air curtain or other overhead hoods, which operate by blowing a downward air flow on to a range-
top, shall not be used in conjunction with ranges with gas cooktop other than when the hood and range-top
have been designed, tested and certified by an independent test laboratory for use in combination with each
other. Clearances to horizontal surfaces above the range, measured to the cooking surface are below. Failure
to comply may result in fire hazard.
• Installations without a hood require 30” minimum to combustibles;
• A custom hood installation with exposed horizontal combustible surfaces must have an Auto-On feature;
• For other installations with a hood, refer to the hood installation instructions for specific hood clearances.
Cabinet Preparation
IMPORTANT NOTE: When installing against a combustible surface, a minimum riser is required for a the
range-top, follow all minimum clearances to combustible surfaces shown in the illustration on the previous
pages. The range-top is a free standing unit. If the unit is to be placed adjacent to cabinets, the clearances
shown in Figure 1, are required. The same clearances apply to island installations, except for the overhead
cabinets, which must have a space wide enough to accept the flared island hood.
• Any openings in the wall behind the range and in the floor under the range must be sealed.
•
When using the island hood a minimum 12” (305 mm) rear clearance to a combustible surface is recommended (see
Figure 2 on page 10, Cabinet Clearances). Clearances from non-combustible materials are not part of the ANSI Z21.1
scope. Clearances of less than 12” (305 mm) must be approved by the local codes and/or by the local authority having jurisdiction.
• When the range is installed against a combustible side wall a minimum clearance of 8” (203mm) is needed from the side
of the range to the wall.
• Always keep appliance area clear from combustible materials, gasoline and other flammable vapors and liquids. The
maximum depth of overhead cabinets installed on either side of the hood is 13” (330mm).
• Do not obstruct the flow of combustion and ventilation air to the unit.
There is a 48” (1220 mm) minimum clearance required between the top of the cooking surface and the bottom of an
unprotected cabinet.
A 48-inch minimum clearance is required between the top of the cooking surface and the bottom of an unprotected cabinet.
A 30- inch clearance can be used when the bottom of the wood or metal cabinet is protected by not less than No. 28MSG
sheet steel, 0.015 inch (0.4 mm) thick stainless steel, 0.024 inch (0.6 mm) aluminium, or 0.020 inch (0.55 mm) thick copper.
Flame retardant materials bear the mark:
UNDERWRITERS LABORATORIES INC. CLASSIFIED MINERAL AND FIBER BOARDS SURFACE CHARACTERISTICS
Followed by the flame spread and smoke ratings. These designations are shown as “ FHC ( Flame Spread/Smoke Devel-
oped)”. Materials with “O” flame spread ratings are flame retardant. Local codes may allow other flame spread ratings.
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