Siemens LFL1.622 control box

Siemens LFL1.622 burner control unit is used for start-up and monitoring of multi-stage or modulating gas, oil or combination forced-draft burners of medium and high power with intermittent operation. Main characteristics: Supply voltage: 230 V. Pre-purge time: 65s. Safety time: 2s. Safety time or first safety time when operating with pilot burner: 2 s. Time to ignition: 4s. Time to ignition: 4 s. Interval between voltage application to terminals: 10s. Interval between start of TSA' and valve shutdown at terminal: 10s. Interval between voltage application to terminals: 10s. Post-purge time: 12s. Interval between start command and voltage application to terminal: 2s. Start-up sequence duration: 95s. Second safety time for burners with pilot burner: 2s. Additional information: 30850