– 11 –
VENTING REQUIREMENTS
NOTE: Any listed and labeled factory-built commercial exhaust hood tested in accordance
with UL Standard 710 by a nationally recognized testing laboratory, must be installed
according to the terms of its listing and the manufacturer’s installation instructions.
Rate of Exhaust Flow Calculations
Based on the 2018 International Mechanical Code.
The minimum net airow for Type II hoods used for dishwashing appliances shall be 100
cfm per linear foot of hood length. The net quantity of exhaust air shall be calculated by
subtracting any airow supplied directly to a hood cavity from the total exhaust ow rate of
a hood.
Ventless models AM16VL-BAS, AM16VLT-BAS, AM16-SVLT, AM16VL-ADV, AM16VLT-ADV
and AM16SVL-SCB do not require a Type II vent hood. According to 507.3 of the 2018
IMC, Type II hoods are not required where the heat and moisture load is incorporated into
the HVAC system design. See Table A (page 12) for heat dissipation or heat gain to space.
➤
➤
LENGTH
➤
➤
CLEARANCE
HEIGHT
➤
➤
WIDTH
Fig. 8
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