The burner control LME7... is a microprocessor-based unit with matching system components for the control and supervision of forced draft burners of medium to high capacity.
LME7... are used for the startup and supervision of multistage or modulating forced draft burners and atmospheric gas burners in intermittent operation
The fuel-air ratio can be set either via an air damper actuator - acting on mechanical or pneumatic ratio control - or via pulse width modulated fans and pneumatic ratio control.
The flame supervision supervised with ionization probe and with UV flame detector QRA2..., QRA4.U or QRA10....