[EnergyPlus_Support] Modeling A Fresh Air System based only on Central Extract Fans

["hisham.rashrash@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

Hi,

I am looking for ideas on how to model a fresh air system that is based only on rooftop central extract fans in a residential building in Moscow, Russia, so that the fresh air is induced in the form of infiltration because of the negative pressure.

So far, I have tried modeling it as infiltration "ZoneInfiltration:DesignFlowRate", but then for assessing the passive measures performance, I could not get the heat removal rate (due to infiltration) separately from fresh air; therefore, I re-modeled it as PTACs with coils always off and fans with zero power, and modeled the energy consumption of the central extract fan using an "Exterior:FuelEquipment" object.

Are there any better ideas for modeling such system?

Thank you.

Best regards,

Hisham

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Posted by: hisham.rashrash@xxxxxxxxx

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