Establish extract airflow from the hood design, appliances and cooking loads. Calculate duct, filter and discharge losses before selecting the duty point.
Fan suitability
Confirm suitability for grease-laden air, continuous air temperature, motor location and cleaning access with the manufacturer. Corrosion resistance does not establish grease suitability, and a fire classification does not replace a continuous operating-temperature rating.
System review
Review replacement air, discharge location, noise, fire requirements and maintenance. Send the duty point and air conditions to IMETCO for the datasheet and technical confirmation.
General guidance; the project designer and manufacturer must confirm suitability.
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