Boîtier de commande Siemens « LAL2.14 »

Siemens LAL2.14 burner control unit is used for starting and controlling multi-stage or modulating forced-draft oil burners of medium and high power with intermittent operation and air pressure monitoring via functional test of the air pressure relay during start-up and operation. Main characteristics: Supply voltage: AC 230 V. Pre-purge time: 10 s. Safety time: 4 s. Time to ignition: 2 s. Time after ignition: 10 s. Interval between voltage application to terminals: 8 s. Interval between voltage switching at terminals: 4 s. Post-purge time: 10 s. Fan motor start delay: 2 s. Start sequence duration: 30 s.