وحدة التحكم Siemens LMV26.300A2

Siemens LMV26.300A2 burner management system is used for startup and control of multi-stage or modulating gas, oil, or combination forced-draft burners of any capacity. For use with combination burners (gas/oil) with 2 fuel valves, a fuel changeover unit AGM60.. is required. 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 without AGM60 unit. Frequency converter control for fan. Analog output for load controller 4...20 mA. Configurable program parameters. Various display types AZL2x.