Siemens (Landis&Gyr) LFL1.333 controller

Siemens LFL 1.333 burner control unit (LFL1.333)

A burner control system for gas, liquid fuel, or dual-fuel burners of medium to high capacity. Multistage or modulating burners with intermittent operation. Controlled air damper control. Flame monitoring with a QRA ultraviolet sensor… and an ionization electrode.

• Control and monitoring of adjustable flame blower burners or pilot interrupter
• For medium to high power
• For intermittent operation (at least one controlled shutdown every 24 hours)
• For universal use with multi-stage or modulating burners
• For use with combination burners
• For use with stationary air heaters

Available modifications of Siemens LFL 1 burner controls:

• Siemens LFL 1.122
• Siemens LFL 1.122-110V
• Siemens LFL 1.122F
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