How can I control the speed of a single phase induction motor of a ceiling fan by controlling voltage?I need to design the circuit such a way that it would be possible to select three speed level, I need to divide the speed level into 2800, 2100 & 1400 rpm.

If so, can I buy the relay separately or is it part of the control board?

Ok, I am replacing my condenser fan motor on a tempstar smart comfort 2000, the old motor(2speed) has 5 wires, red, black, brown, blue, and green the new motor(1speed) also has 5 wires, white, black, brown, brown/white, and green.the schematics I can find for the motors, show white-red,...

Hi, I have a Jandy 2 speed motor to replace a 1 speed motor and need help with wiring. Before removing the old motor, I wrote down the colors of the wires to the old motor terminals (L2 blue, l1 black). Both went to a timer (black on position 2 of timer, blue on position4 of timer). The new...

It is wired 480v. Right now aand is connected to a dust collection fan (direct drive). I need to slow it down so I can control the cfm and static pressure inside the lines.