Furnace Blower Motors TECHNICAL DATA SHEET Product Motor Type Motor Finish Rated Horsepower. Thermal Overload Insulation Class Rated Speed Mounting Frame Size Bearings Rotation Shaft Length Shaft Diameter Shaft Flats Wiring Diagram Black Blue Red High Medium Low Cap Brown Brown/White Yellow/Green. Fasco Emerson Smart Run Capacitor.. According to the new motor White = L1 (neutral), Black = High speed, Blue = Medium speed, Red = Low speed. Check the diagram on the old motor, to figure out which wires are which. From what I can see, looks like on the old motor: Black = High speed, Yellow = Medium high, Orange = Medium Low, Red = Low speed. -
For Fasco blower motor wiring, the brown wire indicates start. The yellow indicates power. The black wire on this model indicates high speed. The rest of the taps are speed taps, but there is an option of having a single-speed application depending on your preference. If you prefer high speed and it gets too much for you to withstand, you can move the black wire to one of the other taps that.. fans. Fasco motors without these special markings and with ventilation openings may present a fire hazard in equipment where an inoperable motor would not immediately come to someone's attention. (Ref. LIL Standard Fasco motors without 'ventilation openings are not waterproof and should not be used in damp or dirty environments. Use only