The control panel, on the wall next to the bathroom door, is intended for cooling or heating the room. Turning the round knob upwards is warmer, the round knob downwards is colder. You can also see with the red / blue light if it is getting colder / warmer. The room temperature is between the 2nd and 3rd position.

The ventilation setting can be selected using the gray button. Depending on the fans light up here. The small fan is light blow position, rising to the large (heaviest blow position)

This control panel is in the bathroom and is used for the underfloor heating.