Burner Sequence Control
Burner controls for the supervision of 1- or 2-stage gas burners or gas burners of
small to medium capacity, with or without fan in intermittent operation.
The LME… and this Data Sheet are intended for use by OEMs which integrate the
burner controls in their products.
Use
LME are used for the startup and supervision of 1- or 2-stage gas burners or gas burners in intermittent operation.
Flame supervision takes place via an ionization probe or a QRA flame detector with AGQ3.xA27 ancillary unit for forced draft gas burners, or, in the case of blue-burning flames, with a QRC blue-flame detector.
In terms of housing dimensions, the LME… are identical with the burner control LGB… and LMG… burner controls (refer to Type summary).
- Applications in accordance with EN 676: Automatic forced draft burners for gaseous fuels
- Type-tested and approved in accordance with DIN EN 298
Controller Features
- 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 a maximum 24 hours of continuous operation
