PSC motors rely on the rotating magnetic field that is generated by the applied alternating voltage and corresponding alternating current to turn the rotor. The magnetic field rotates at 3,600 rpm (60 ...

HVACR technicians have traditionally swapped out customers’ faulty blower motors with like motors, and, more often than not, those motors have been single-speed permanent split capacitor (PSC) units.

Much like the switch from incandescent to LED light bulbs, there has been a paradigm shift in the technology of circulator pumps used for heating and cooling applications that vastly improves ...