Siemens LME22.331C1 control box

Siemens LME22.331C1 combustion control unit is used for starting and monitoring 1- or 2-stage gas burners with intermittent operation. Flame monitoring is performed by an ionization electrode or a QRA... flame detector with an AGQ3... auxiliary unit or by QRC... blue flame detectors. Voltage AC 230 V. Mains frequency 50...60 Hz. Fuse 10 A. Power consumption 12 VA. Protection rating IP 40. Waiting time 2.5 sec. Pre-purge time with open air damper 3 sec. Time to ignition 30 sec. Time after ignition 3 sec. Air damper travel time to OPEN position 12 sec. Air damper travel time to low-fire position MIN 12 sec.