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Required Opening = CFM / 300 FPM
Example:
Given:
Qty of 2 units in an area surrounded by a fence on two sides and solid walls on the other two sides. Units
are 2TTZ9030A100A’s -
Required:
Determine free air opening space required in fence -
Solution:
4075CFM X Qty of 2 = 8150 CFM
8150 CFM / 300 FPM = 27.17 square feet
Round 27.17 to 27 square feet of free air opening in the 2 fence sections surrounding the units.
*Table produced Jan. 2003. For the most current information, please refer to specific equipment Product Data.
Pg. 16
Summary of Contents for XL19i-APG02-EN
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