Honeywell MMI816.1 0621620 centralina di controllo

Resideo MMI816.1 0621620 automatic gas firing device controls the operation of atmospheric gas, liquid fuel and combined burners. It supports two-stage operation and intermittent operation, ensuring automation and safety of boilers and heat generators. Satronic MMI816.1 control unit features: Package contents: synchronous electric motor, electronic boards, cam switch, color indication, 12-pin drive, reset button, mounting screw. The base is not included. Protection: plastic housing, IP 40 standard (dust/moisture). Flame control: IRD 1020 infrared sensor, ionization probe. Voltage: shutdown when falling below 160 V, restart when restored to 180 V. Purge: check the relay, air pressure, and ambient light. Installation: in any position, without vibration.