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606.2.1 Shuting dn. HVAC with area smoke

Question asked by on Mar 28, 2019
Latest reply on Apr 12, 2019 by pwelch

Will 606.2.1 allow you to shut down an hvac unit with an open air return under 15001 cfm with area smoke detectors in the room of the hvac unit? Note that the return air is coming from holes in the walls pulling from the corridors. I would think the word "plenum" the the code allows for this. Thanks