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shout down of mechanical units at the time of fire?

Question asked by nedkhachikian on May 7, 2018
Latest reply on May 9, 2018 by milt.werner

Need some clarification about shout down of the mechanical units in commercial buildings/school buildings at the time of fire.  California Mechanical code 2016 (CMC) 608.1 talks about shout down of units over 2000CFM when there is smoke in system…so what happens to other unites (less then 2000CFM) at the time of fire? Are they spouse to say on?