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Implementing @Archmage tips on actuating the Mass Flow Rate for the AirTerminal:SingleDuct:Uncontrolled
and sensing the zone output, it was still not working.
I actually started investigating whether it was some kind of sizing problem. Here's what I did to make it work:
Controller:MechanicalVentilation
. This had a problem because I never defined a space type for my Cavity (which is like a plenum...) and therefore does NOT have a DesignSpecification:OutdoorAir
object associated with itAirLoopHVAC
, Controller:OutdoorAir
and the ATU. Not sure if I need to hardsize all of that...I think the real problem was the Controller:MechanicalVentilation
one and it is probably deeply related to this issue: Controller:OutdoorAir Field: Minimum Fraction of Outdoor Air Schedule Name
For the record, actuating the Fan mass flow rate instead of AirTerminal:SingleDuct:Uncontrolled
mass flow rate does NOT work.