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[EnergyPlus_Support] Re: EMS actuator for opening of windows


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "nik_jap" <nik_jap@...> wrote:
>
> Hello everyone,
> 
> I am trying to control the opening of windows according to the concentration of CO2 in the zone. So I used an EMS actuator for one window and the concentration of CO2 finally was decreased as expected. But when I used two different windows as actuators, the concentration increased significantly. Do you know why did this happen? Do we usually use only one actuator no matter how many windows exist in a building?
> 
> What is more, do you know what is happening when there are two factors that determine the opening of the windows? For instance, what do we do when in the summer we open the windows due to 1)the temperature and 2)CO2 concentration?
> 
> Your help will be more than appreciated!!!
> Thank you in advance!!!
> Nik
>


Hi,
you should use one EMS actuator per window. 
CO2 - Dont know the AFN configuration... where are the sensors? different zones? What about zone air mixing?

For second question: try to use IF....SET...

Best Tobias




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