Warm air furnace

Details Warm air furnace Warm air furnace

F - Mech Eng,Light,Heat,Weapons

24

H

F24H 3/02 (2006.01) F24H 9/20 (2006.01)

Patent

CA 2709669

A warm air furnace prevents household articles from freezing in the case where combustion is discontinued due to lack of gas during combustion operation when a house is emptied. The warm air furnace is equipped with a retry operation controller 33 which carries out ignition action of a combustor 5, in the case where a predetermined period of time lapsed from the time it is determined that combustion at the combustor 5 is discontinued during combustion operation by a combustion operation controller which controls operation of the combustor, determines whether or not combustion at the combustor 5 is started, and repeats the ignition action for igniting the combustor 5 until it is determined that combustion at the combustor 5 is started, in the case where a predetermined time lapsed from the time it is determined that the combustion at the combustor 5 is not started.

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