Controller Siemens LMV37.400A2

Siemens LMV37.400A2 controller is used for start-up and control of multi-stage or modulating gas or oil burners of any capacity. Flame monitoring is performed by an ionization electrode or flame detector QRB.., QRC.., QRA2, QRA4.. or QRA10.. All safety-related digital inputs and outputs of the system are monitored via a feedback network. Main functions: Electronic air/fuel ratio control. Control of 2 actuators with max. torque 10 Nm. Fuel valve leak test. Intermittent operation with ionization electrode and flame detectors. Continuous operation with ionization electrode. Analog output for load controller 4...20 mA. Adjustable program parameters. Various display types AZL2x.