Transcription of ELECTRONICALLY COMMUTATED MOTORS Part 2: Constant …
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ELECTRONICALLY COMMUTATED MOTORS Part 2: Constant …
Constant -AIRFLOW, VARIABLE-SPEED (OEM)INDOOR BLOWER ECMsTheconstant-airflow(variable-speed) ECM wasintroduced in 1987 by GE (rebranded Genteq in2009). It was the first and only indoor blower ECMuntil the introduction of the Constant -torque ECM in2006. The term variable-speed motor was coined inthe late 1980s. By function it is a Constant -airflowmotor. Both of these terms define the type or style of ECM and how it is programmed to MOTORS are built in 1 3-, 1 2-, 3 4-, and 1-hp sizes, and only in direct-drive MOTORS have gone through many generationalimprovements in their more than 20 years ofexistence, including advances in reliability andcommunication formats, as well as changes in theirphysical appearance.
CONSTANT-AIRFLOW, VARIABLE-SPEED (OEM) INDOOR BLOWER ECMs The constant-airflow (variable-speed) ECM was introduced in 1987 by GE (rebranded Genteq™ in 2009). It was the first and only indoor blower ECM
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