Siemens (Landis&Gyr) LGB 21.330 A27 controller

The Siemens LGB controller is designed to control single- or two-stage gas or combined gas/liquid fuel burners of low or medium power.

Landis & Gir (Siemens) LGB controller

Siemens LGB

The LGB… combustion controller is designed to control single- or two-stage gas or combined gas/liquid fuel burners of low or medium power (usually up to 350 kW) with/without a fan during intermittent operation.

Application areas of Siemens LGB burner controls:

* The LGB burner control unit… is used to start and control single- and two-stage gas or combined gas/liquid fuel burners during intermittent operation;
* Depending on the type of burner control used, flame control is carried out either by means of an ionization electrode, a blue flame sensor QRC1… for gas/liquid fuel forced-air burners, or by means of an ultraviolet sensor QRA… (with auxiliary
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