Protection degree: IP20ON / OFF boiler control (settable from the main menu)Acoustic signals: buzzer feedback with key pressingPerpetual clock calendar, with backup batterySoftware Class A. Minimum differential: ±0,1K. Thermal gradient: 4K/h. Maximum ambient temperature: 45 °CElectric featuresPower supply from MiA busInsulation class: IIPollution degree: 2
