Range -10 to +50°C. Selectable temperature controller (PI, Two-position, PWM). 1Bit +/-, 1Byte oder 2Byte absolute object for setpoint adjustment. Setpoint values are stored at bus voltage failure. Limit values min/max, frost protection alarm, min/max memory. Operation mode can be set via Bit/Byte objects. Temperature and humidy sensor with dew point calculation. Message when leaving the comfort zone. 4 binary inputs to connect potential free contacs (push-buttons or window/auxiliary contacts). Ventilation control by hand or automatic operation. 14Byte object for plain text diagnostic. Installation in a installation box with included support ring. Recommended installation height: 1,6m. Integrated bus coupling unit. 3 years warranty.