KNX Room Temperature Extension Unit Smart 55, Black matt. With colour display, temperature- and humidity sensor. Suitable for 55 mm switch ranges e.g. MDT assortment 55 or GIRA E2 or BERKER B3, B7 or JUNG A 550 or Merten M-Pure. Active colour display for function and status indication. Selectable background colour and brightness of the display (white or black). Display of set- and actual temperature. Room temperature extension unit for rooms. Measurement range -10 … +50 °C. Easy setpoint adjustment over separate +/- Push-buttons. 1 Bit +/-, 1 Byte or 2 Byte absolute object for setpoint adjustment. Temperature min/max memory and messages. Room temperature control in combination with the MDT AKH-Heating actuators. Ventilation control with manual and automatic operation. Installation in an installation box using the included installation frame. Recommended installation height: 1.60 m. Integrated Bus coupler. 3 year warranty.











