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Fan Motor Speed Controller Wiring ?

dwall174

Well-known member
Joined
Jun 1, 2012
Messages
453
Location
Southeast Michigan
I'm planning to wire THIS CONTROLLER to a 120V brush style universal motor so that I'll be able to control the speed of the motor.
I'll be adding a remote potentiometer as shown in the diagram, But I'm kind of confused on how the "Circuit Diagram" shows the L1 & L2 connection points.:rolleyes:
Normally doesn't the term L1 & L2 refer to the two hot lines of a 240V circuit?

Being I'll be wiring this on a 120V line am I correct on figuring that the hot lead would go to the "Red" wire that they are showing as L2 & the "Black" wire L1 will go to the hot lead of the motor?

Doug
 
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Terry D

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Joined
Mar 25, 2015
Messages
2,202
Location
St. Louis, MO.
With a universal motor wouldn't that just reverse the direction?

Doug
On a single phase motor, to reverse it, you switch the leads on the start winding. Unless it is a reversible motor, these leads would not be brought out with the other leads. Switching the power leads will not change rotation.
 
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