The programmer system module enables managing the heating levels of each heater (to a maximum of 20 heaters), based on a chosen program and established schedule, it's the ideal system for those seeking to control heating of the entire home, while maximizing their economies. Better heating, for better economies Program an automatic lowering of the temperature by 3 deg C when you aren't home or when you're sleeping and an increase in temperature to 20 deg C when you return home or 60 min prior to waking up, the possibilities are almost infinite The programmer system module can be inserted directly into the socket on the heater, beside the thermostat, for heaters without a socket, connection to the programmer is done through the pilot wire (a pre-installed wire on all heaters, except the soprano, the 120 V units and the commercial heaters) With the programmer, you have the choice of 7 pre-selected programs or a custom program organized hourly, in comfort or economy mode (different for each day of the week) or in Frost protection mode, for prolonged absences The Programmer system module operates without a battery and can be programmed directly on the heater or outside the module socket, in cases of power outages, the heating schedule remains programmed, only the date and time need to be reset afterwards