AIR HEATING APPARATUS COMPRISING A FLAME MONITORING DEVICE

The heater (10) with burner (20) has a fan (16) delivering air from an inlet (24) through a heat exchanger (22) to an outlet (26). A control unit (18) located after the fan has a sensor (28) to measure the temperature of its printed circuit card. At the outlet end an air temperature sensor (30) is l...

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Bibliographische Detailangaben
Hauptverfasser: DAMNITZ, ANDREAS, BREHMER, MARTIN, POEHNER, MICHAEL, MALCHOW, ARNO
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The heater (10) with burner (20) has a fan (16) delivering air from an inlet (24) through a heat exchanger (22) to an outlet (26). A control unit (18) located after the fan has a sensor (28) to measure the temperature of its printed circuit card. At the outlet end an air temperature sensor (30) is located, the sensor readings provide the temperature gradient across the heat exchanger so indicating whether the burner is operating or not.