What are the principal advantages of ECM motors? High efficiency, Low maintenance, Speed control, Constant CFM etc.ĮCM stands for an “electronically commutated motor” which basically means a motor that uses electronic controls to vary its speed. What are the principal advantages of ECM motors? ECM motors do not use brushes, thereby reducing maintenance and extending service life.
These brushes are known to wear out over time. Variable speeds – Unlike an on/off PSC motor, a furnace ECM motor can operate at a range of outputs between zero and 100 percent.ĮCM Motors = Energy savings and added functionality PSC motors, or permanent split capacitor, use non-polarized capacitors and brushes to deliver electricity to the rotating parts. HVAC Blower Parts Cost Does my furnace have an ECM motor?Įlectronically commutated motors (ECM) represent an advance in blower motor efficiency that saves substantial energy and improves aspects of overall system performance. The ECM model is a variable speed unit that will adjust the airflow to optimal levels based on the desired temperature of the home.
#What is an ecm motor full#
Any time that the blower is on it blows at full force.
The big difference between the two models is that the PSC motor has one speed: full speed. What is the difference between a PSC and ECM motor?
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