Siemens (Landis&Gyr) LGB 21.330 A2BT 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… burner control unit 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 fan for 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 ionisation electrode, a blue flame sensor QRC1… for gas/oil forced-air burners, or by means of a QRA… ultraviolet sensor (with an AGQ1…A27 auxiliary device).

Characteristics of Siemens LGB burner controls:

* For two-stage or modulating burners with a capacity of up to 350 kW;
* Remote reset of parameters and ionization;
* Connection of pilot burner.

Available modifications of Siemens LGB burner controls:

LGB21.130A17, LGB21.130A27, LGB21.230A27,, LGB21.330A27, LGB21.350A17, LGB21.350A27, LGB21.550A27, LGB22.130A27, LGB22.230B27, LGB22.330A17, LGB22.330A27, LGB22.330A270, LGB22.330A2BT, LGB32.330A27, LGB32.350A27, LGB41.258A17, LGB41.258A27.

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