.~ Shutdown by sensed absence of flame in proving period {2}
71
.~.~ Igniter cut off when flame establishment proved
DEFINITION
Classification: 431/71
(under subclass 69) Apparatus in which the flame responsive control acts to de-energize the igniter upon establishment of combustion.
SEE OR SEARCH THIS CLASS, SUBCLASS:
46, for a structure in which a sensor of a first burner control a second burner and shuts off the igniter of the first burner responsive to the establishment of flame at the first burner.
