AFN and Heating - Excessive ventilation volume triggers Heating Setpoint

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Hi all,

I´m running into a problem of coordiation between the AFN and an Ideal Loads Heating system. While in the past I´ve always controlled it by setting the setpoint for window operation 3-5 degrees higher that the Heating setpoint, in this case it becomes problematic even with +7-8ºC.

In a more detailed way, when the temperature inside reaches the Window opening setpoint (27ºC), the intermediatte windows open slightly which causes the temperature inside to drop by more than 4ºC, activating the heating system (23ºC setpoint). I´ve also tried to - unrealistically - set the window opening at 30ºC, but doesn´t really improve the situation.

Probably a graph is worth a thousand words:

Both the living room and kitchen are heated, whereas the Wintergarden is not:

I´m also attaching the simulation folder here, in case it helps solving the problem.

I´m aware the issue is opened in Github by Aaron Boranian, hopefully someone has a work around in the meantime.

Thanks! Rafael