Sequence of operation thermostat calls for heat, Start up, Flammable vapor – Bradford White M-2-TW-75T6BN User Manual

Page 10: Blower energizes, Trial for pilot ignition (90 seconds), Main burner ignition, Blower pre-purge period (2 seconds)

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Sequence of operation thermostat calls for heat, Start up, Flammable vapor | Blower energizes, Trial for pilot ignition (90 seconds), Main burner ignition, Blower pre-purge period (2 seconds) | Bradford White M-2-TW-75T6BN User Manual | Page 10 / 40 Sequence of operation thermostat calls for heat, Start up, Flammable vapor | Blower energizes, Trial for pilot ignition (90 seconds), Main burner ignition, Blower pre-purge period (2 seconds) | Bradford White M-2-TW-75T6BN User Manual | Page 10 / 40
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