SIEMENS LME21.130C2 CONTROL BOX (C21732J)
REPLACES (LGB21.130A27)
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SIEMENS LME21.130C2 CONTROL BOX (C21732J). LME… burner controls are used for the startup and supervision of 1- or 2-stage gas or gas / oil burners in intermittent operation. The flame is supervised by an ionization probe or flame detector QRA… with ancillary unit AGQ3…A27 for gas / oil forced draft burners or blue-burning flames with blue-flame detectors QRC…
In terms of housing dimensions, the LME… are identical with the LGB… and LMG… burner controls (refer to «Type summary»).
For gas burners:
– with or without fan to EN 298: 2003
– fans conforming to EN 676
– For oil burners to EN 230: 2005
– Undervoltage detection
– Air pressure supervision with functional check of the air pressure switch during startup and operation
– Electrical remote reset facility
– Multicolor indication of fault status and operational status messages
– Limitation of the number of repetitions
– Accurate control sequence thanks to digital signal handling
– Controlled intermittent operation after 24 hours of continuous operation


