A variable speed motor includes first and second main windings wound on a stator, and a relay for performing a switching operation between {HEAD ~ serial/parallel connections} of {TAIL ~ the first and second main windings} to control motor speed 
A variable speed motor includes first and second main windings wound on a stator , and a relay for performing a switching operation between { HEAD ~ serial / parallel connections } of { TAIL ~ the first and second main windings } to control motor speed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH