Siemens LOA24.571C27 burner control system

The Siemens LOA24.571C27 burner control is based on microprocessor technology, which contributes to the accurate execution of the specified command sequence. It automates the start-up, combustion stages, flame monitoring, and safe shutdown of the system in case of malfunctions and failures. Supports intermittent operation. Initiates a periodic restart every 24 hours for self-diagnosis of malfunctions. Using color indication, it informs the user about operating statuses and failures.

Main characteristics and functions:

• control of forced-draft two-stage burners burning liquid fuel;
• power supply from 220-240 V, 50-60 Hz network;
• intermittent mode, periodic restart every 24 hours for self-diagnosis;
• flame monitoring using a photoresistor QRB or QRC sensor;
• fast response to flame loss;
• dust and moisture protection level of electrical components: IP40;
• voltage surge protection system (safe shutdown, restart);
• de-energization of fuel valves, burner motor and ignition system in case of lock-out for 1 sec.;
• color indication for tracking the operating stage, informing about failures;
• possibility of remote lock-out reset;
• connection contact for fuel heater;
• housing made of impact-resistant heat-resistant plastic;
• ambient air temperatures: -5...+60 °C;
• restart button to exit lock-out, activate diagnostic mode;
• supplied with cables for electrical connection, without base.

Burner controls comply with European standard EN230 and CE requirements regarding electromagnetic compatibility. For more information, please contact our consultants.