The Dimlux Maxi Controller EVO 1.1 gas got an Aux / fan output, where the external box or Aux Fan / Aux box can be connected to.
The auxiliary box has two outputs (2 x 230V, 10A). One for a heater and one for a humidifier or dehumidifier. After setting the desired values the Dimlux Maxi Controller can control these external devices.