Control element with room temperature controller function for controlling heating, ventilation and fan coil actuators. For controlling commercially available actuators. For contacting the central disk 6236-xxx. With integrated temperature sensor. With temperature display target value. Master/slave operation. With base load operation. The bus connection is made via the enclosed bus terminal. Class of the temperature controller: 1 Contribution to room heating energy efficiency: 1.0%. From ETS4: Commissioning via native ETS application