Combustion Air
Make sure adequate combustion air is available. Excerpt from NFPA 211 12.3:
“Solid-fuel burning devices shall be installed in a location and manner so as to
for Commercial Cooking Operations) as its ventilation standard. While NFPA
96 allows direct ventilation with factory-built grease ducts or properly
constructed welded ducts (with fire-rated enclosures), it also permits the
exhaust hood ventilation option for our units.
Option Two: Exhaust Hood Venting
U.L. 2162 cites NFPA 96 (Standard for Ventilation Control and Fire Protection
Page 4 of 43
It is very important that the filter bank be located toward the rear of
the unit (near the chimney connector).
Notes :
1. Exhaust volume should be determined by the exhaust hood
manufacturer based on their products listing and local code requirements.
States such as California, Oregon, Washington, and Connecticut all have
code driven maximum exhaust volumes for specific equipment. For
example: California mandates that solid fuel exhaust hoods for a wall
mounted application can use NO MORE than 385 cfm/lf for solid fuel.
2. Spark arrestor type filters are required.
3. Hoods serving solid fuel equipment must be dedicated to solid fuel
only (no gas or electric) with their own dedicated fire protection system.
Refer to the specifications from the 2009 (or later) International Mechanical
Code Section 507.13.1 (Extra Heavy Duty Cooking Appliances, Single
Canopy, 700 CFM per linear foot of hood). Wall- mounted hoods will
require less volume (550 CFM per linear foot).
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