Latest 3 Speed Fan Motor Wiring Diagram Wiring - How To Wire 1-Phase 3-Speed Motor - Electrical - I believe that @stainlesssteelrat has supplied a quite in all likelihood configuration for the "run" coil and the speed selections. I believe that the white wire is attached to an inner capacitor that is related in series with the "auxiliary" coil. That might be one reason behind infinite resistance among the white twine and the other wires. This question seems to be off-subject matter. The customers who voted to close gave this particular purpose:"questions on the usage of digital gadgets are off-topic as this website online is meant in particular for questions on electronics layout." ?? laptop2d, derstrom8, dave tweed if this query may be reworded to fit the guidelines in the assist center, please edit the query.
One greater issue to preserve in mind is that the real working speed for a motor like this is determined via the load. With the motor disconnected from the weight the velocity will be close to 1500 rpm irrespective of the relationship. The weight will sluggish the motor down. The medium and low connections make the motor weaker so it slows down greater.