Hello,
 I would like to build my project the night air, which is a function of the horizontal radiation.
 Here is my approach:
 First In trnbuild I made at an input ventilation (I: 1 * Nachtl)
 Second In studio I use the controller 2d, the controller when the radiation is 0 to go to on and if more than 0 to 0.
 Have already tried all the options and do not get it back, he does it the other way.
 What values should I enter into the input fields 1-6.
 Thank you very much