Primary Fan (Electric), Secondary Fan (Fuel)
Stage Y1 Y2 W1 W2 O B G
1st Stage * * *
2nd Stage * * * *
3rd Stage (Before Aux Stage
Delay)
* * * * *
Auxiliary Stage (After Aux
Stage Delay)
* *
E-Heat (Stage 1) *
Primary Fan (Fuel), Secondary Fan (Electric)
Stage Y1 Y2 W1 W2 O B G
1st Stage * * *
2nd Stage * * * *
3rd Stage (Before Aux Stage
Delay)
* * * * *
3rd Stage (After Aux Cuto
Delay)
*
E-Heat (Stage 1) * *
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