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Hello,

I was trying to model a controlled mechanical ventilation with heat recovery using ZoneHVAC:EnergyRecoveryVentilator in OpenStudio. For the heat recovery using an Air-To-Air heat exchanger, I want to active the free-cooling mode (bypass) when exhaust air temperature or zone air temperature is higher a set-point temperature. However, with ERV component in OpenStudio Application I cannot do that. Regarding temperature-based control for ERV unit, what I can do is to active the free-cooling when

low limit < Toutdoor < high limit && Toutdoor < Texshaut

Does anyone know if there is anyway to create an EMS for ERV bypass controller based on zone air temperature or exhaust air temperature please?

Thanks a lot

Long

Hello,

I was trying to model a controlled mechanical ventilation with heat recovery using ZoneHVAC:EnergyRecoveryVentilator in OpenStudio. For the heat recovery using an Air-To-Air heat exchanger, I want to active the free-cooling mode (bypass) when exhaust air temperature or zone air temperature is higher a set-point temperature. However, with ERV component in OpenStudio Application I cannot do that. Regarding temperature-based control for ERV unit, what I can do is to active the free-cooling when

low limit < Toutdoor < high limit && Toutdoor < Texshaut

Does anyone know if there is anyway to create an EMS for ERV bypass controller based on zone air temperature or exhaust air temperature please?

Thanks a lot

Long