Hi there,

I just exported my .idf file using OS and found something weird about system sizing inputs.

My central air system doesn't have any preheat/precool coils but EnergyPlus requires the inputs of "Preheat Design Temperature" "Preheat Design Humidity Ratio" "Precool Design Temperature" "Precool Design Humidity Ratio" if there is any preheat/precool design. I'm wondering if I should just leave these spaces blank? Or simply type some values (Assuming that the program will ignore them since I don't have these components)?

Thank you in advance.