The typical start up sequence for a hot surface ignition system is:
A) Combustion blower prepurge, igniter energized after a delay, gas valve energized after a delay, flames sensed, indoor blower energized after time delay.
B) Combustion blower, indoor blower, igniter, and gas valve all energized simultaneously.
C) Gas valve and igniter energized, flames sensed, combustion blower and indoor blower energized after time delay.
D) Combustion blower energized, igniter energized and gas valve energized, flames sensed, indoor blower energized after time delay.
A
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