CC1N7454en20.11.2017Building Technologies Division7 454Gas Burner Control LFL1.148Gas burner control for atmospheric gas burners in intermittent operation flame supervision with ionization probeThe LFL1.148 and this Data Sheet are intended for use by OEMs which integratethe burner controls in their products!Use For the supervision of 1- or 2-stage atmospheric gas burners For use with medium- to high-capacity burners For intermittent operation (at least 1 controlled shutdown in 24 hours) The gas burner has a connection facility for an auxiliary fan or flue gas fan (e.g. forcondensing boilers)Flame supervision is ensured by means of an ionization probe, 1 electrode is used for thefirst stage and 1 for the second stage. Changeover takes place automatically afterrelease of the second fuel valve.