Sequence of operation thermostat calls for heat, Start up, Simulated resistive device check – Bradford White TW4-75S-76B-3X User Manual

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

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Sequence of operation thermostat calls for heat, Start up, Simulated resistive device check | Blower energizes, Blower pre-purge period (2 seconds), Trial for pilot ignition (90 seconds), Main burner ignition | Bradford White TW4-75S-76B-3X User Manual | Page 10 / 36

This manual is related to the following products:

TW4-65S-70FB-3X TW4-50S-67FB-3X TW4-75S-76B-3N TW4-65S-70FB-3N TW4-50S-67FB-3N M-2-TW-75T6SX M-2-TW-65T6FSX M-2-TW-50T6FSX M-1-TW-60T6FSX M-1-TW-50S6FSX M-1-TW-40S6FSX