Siemens „LMO24.255B2“-Steuergerät

Siemens LMO24.255B2 burner control is used for starting and monitoring 1- or 2-stage forced draught oil burners in intermittent operation. Yellow flame monitoring is performed by a photoresistive sensor QRB, blue flame monitoring by a sensor QRC. In terms of operating cycle, dimensions, external electrical connections and flame sensors, LMO burner controls are identical to LOA. Undervoltage detection. Remote electrical restart capability. Shunt contact for fuel preheater. Time monitoring for fuel preheater. Precise control sequence thanks to digital signal processing. Controlled intermittent operation after 24 hours of continuous operation. Limitation of restart attempts. Multi-color indication of fault status and operational messages.