Demo unit, gas burner Electronic simulation of the operation of a forced air gas burner Features - electronic simulation of the operation of a forced air gas burner - PLC controlled simulation of nine faults on individual components Learning objectives/experiments - specification of boiler temperature at the thermostat (reference variable) using potentiometer - specification of boiler water temperature using potentiometer - representation of flame aspect and burner operating state displays - possible faults (activated using pushbuttons): -- air pressure control device -- boiler temperature controller -- flame safeguard -- gas solenoid valve -- fan motor -- gas pressure control device -- safety temperature limiter -- ignition transformer -- current supply control unit Specification [1] simulation model of a forced air gas burner and all burner operating states [2] fault simulation: 9 fault buttons in lockable box [3] additional actual system components: flame safeguard, gas pressure and air pressure control devices, ignition transformer, thermostat, safety temperature limiter, gas solenoid valves, fan motor, emergency switch heating system [4] important electrical monitoring points on burner accessible via lab jacks and measuring bridge connectors for fault analysis Technical data Fully automatic air forced gas burner for natural gas - power: 15...45kW - connection load: approx. 160W - motor power: 70W PLC - 16 digital inputs - 14 digital outputs - 2 analogue inputs - 1 analogue output Digital multimeter - for direct or alternating current 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1330x790x1360mm Weight: approx. 105kg