صندوق التحكم Siemens LME21.330A2

Siemens LME21.330A2 combustion control unit is a reliable electronic controller for automatic control and monitoring of gas burners in boilers, heat generators and heating systems. The device ensures safe start-up, flame monitoring and automatic fuel shut-off in case of faults, guaranteeing stable and efficient operation of the equipment. The LME21 series controller is developed by Siemens specifically for use in forced draught gas burners with intermittent operation. Due to high reliability and precise control, the unit is widely used in domestic, commercial and industrial heating systems. Advantages of Siemens LME21.330A2 • High safety level The controller continuously monitors flame presence and correct execution of all burner start-up stages. In case of flame absence, ignition error or malfunction, the device automatically stops gas supply and locks restart until fault is eliminated. • Efficient combustion control The unit ensures precise sequence of burner operation: pre-purge, ignition, flame monitoring and transition to operating mode. This contributes to stable fuel combustion and increased energy efficiency of the equipment. • Compatibility with modern heating systems Siemens LME21.330A2 is used in single-stage and two-stage gas burners of various manufacturers, making it a universal solution for service and equipment modernization. • Compactness and ease of installation Compact housing and standard connectors allow quick integration of the unit into existing automation system without complex modifications. ⚙️ Functional features automatic flame monitoring; ignition and start control