Distance Between Exhaust and Intake
Distance Between Exhaust and Intake
(OP)
Design as per ASHRAE 2007 (no addenda). If a unitary RTU with gas heating has a barometric relief or power exhaust. RTU is less than 400O CFM. What do you see as the minimum separation of exhaust or flue on RTU and its air intake hood. I have extended the FAIs 10 feet. "Other" designer is stating 15' Exhaust / relief air does not contain any hazards. Not process.





RE: Distance Between Exhaust and Intake
RE: Distance Between Exhaust and Intake
RE: Distance Between Exhaust and Intake
and do you need separation between the gas-fired RTU exhaust and the fresh-air intake? If so, warm exhaust rises, so vent that to above the air intake.
I've seen many installations where the plumbing venting stack was separated from air intake per code (code doesn't use actual obstacles, etc, just distance) and nuisance complaints required relocation of the plumbing stack. So meeting code alone may not suffice....
RE: Distance Between Exhaust and Intake
RE: Distance Between Exhaust and Intake