ECM Motor

[coolersoon09]

My carrier oil furnace states it has a "Direct-drive, Variable Speed" Blower Motor. Can anyone explain what an "ECM Motor" is? Trying to determine if my motor falls in this category.

Carrier Comfort 80 Oil Furnace, Upflow Horizontal - Model #: 58CMA105-13112.

[gary_g]

http://www.nailor.com/pdf/ECM_1.pdf

http://en.wikipedia.org/wiki/Electronically_commutated_motor