LME Burner Control Box

Siemens LME22.331 C2 Controls 2 stage burners with actuator control

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

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.

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

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