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Home > HVACR Training Materials > DVD Video - Understanding Fan Relays and Multiple Speed Motors

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DVD Video - Understanding Fan Relays and Multiple Speed Motors

In this HVAC training video program, Jim explains the popular PSC multiple speed motor used in HVAC/R equipment and how relays are used to control their operation. He also uses meters and graphics to explain the wiring of the motor windings and how to test them and the accompanying relays.


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