KNX Temperature Controller 8-fold, 2SU, MDRC. MDRC device.Temperature range -20 to +110 °C. Selectable KNX Temperature Controller (PI, Two-position, PWM). Temperature measurement by separate KNX temperature sensors. Limit values min/max. Frost-/heat protection alarm. Min/max memory. Cyclical sending adjustable. Day-/night-/frost-/heat protection operation, cooling function. Status feedback by HVAC and RHCC status objects. Operation mode can be set via Bit/Byte objects. Desired value can be given by visualisation, e.g. MDT VisuControl. 3 year warranty.