Siemens: Gas Burner Controller RMG88.62C2

The burner controls are designed for the startup and supervision of single- or multistage forced draft burners in intermittent operation. The RMO88.53... is for use with forced draft oil burners, the RMG88.62... / RMG/M88.62... for forced draft gas burners. When firing on oil, yellow-burning flames are supervised with photoresistive detectors QRB1B..., and blue-burning flames with blue-flame detectors QRC... When firing on gas, the flame is supervised with an ionization probe or flame detector QRA... (with ancillary unit AGQ2...A27).