I guess i am little confused when you say 1200 cfm exhaust does it mean to outdoor. Or i will take 1200 cfm as return and exhaust 640 cfm. Then add 640cfm as fresh air to my 560cfm left over.
Will this 560cfm considered as recirculation which as i understand is not allowed by code.
i need help on air change requirement in a recovery room. I have a room of 40x20x8 code says 6 ACH and no recirculation allowed.
CFM = 40x20x8 x(6ACH)/60 = 640 CFM
By my load calculation i need about 1200 cfm for this space. And i will have dedicated unit for this space.
My question is what...