davidjheath Senior Member Joined: 4 May 2012 Posts: 4 Location: Sydney, Australia Expertise: Just starting
Posted Sat Sep 22, 2012, 4:58am Subject: wiring up a capacitor
I am trying to get my motor connected to my machine for the first time but am not sure how the capacitor wires up to the whole thing. I have no diagrams and I can't seem to find any relevant or simple enough to understand.
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 7,772 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Vene. A1, La Cimbali M32 Grinder: Azkoyen Capriccio, Major Vac Pot: 40s era Silex Drip: Msl. Com. brewers Roaster: gave it a try, decided no
Posted Mon Sep 24, 2012, 6:24am Subject: Re: wiring up a capacitor
For a generic question such as this with no information on make, model, age of the machine I will have to give a generic answer.
The cap goes on the starting circuit of the motor to shift the magnetic field inside the motor to get the rotor spinning. Once the motor hits about half to 3/4 speed, the cap drops out of the circuit. There is a switch in the motor that is controlled by a centrifical speed.
This is for single phase motors, three phase motors do not need a starting cap.
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