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