oil sequence of operations
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8 Terms
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Call For Heat : The thermostat closes the circuit between RH and W
After safety check Primary control energizes the burner motor
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After safety check Primary control energizes the burner motor
Burner motor activates
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Burner motor activates
Ignition and Cad cell senses flame
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Ignition and Cad cell senses flame
On heat rise Fan comes on
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On heat rise Fan comes on
Call of heat ends open between RH and W
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Call of heat ends open between RH and W
Burner primary control circuit de-energize
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Burner primary control circuit de-energize
Burner motor shutdown
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Burner motor shutdown
Fan shutdown on cool down / when temperature drops
Note 
Flashcards (41)