Multi-functional ECM motors for HVAC systems
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United States of America Patent
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Mar 27, 2018
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app pub date -
Feb 20, 2014
filing date -
Feb 20, 2014
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Abstract
Systems and methods associated with an HVAC system and a multi-functional ECM motor for use in the HVAC system are disclosed. The motor controller of the ECM motor includes a microprocessor, a tap detection circuit and a power source portion. The tap detection circuit is coupled to several tap input lines. The motor also includes first and second AC input wires, a common wire, a ground wire, a first jumper wire and a second jumper wire. Each tap input line is coupled to the first input terminal of one current sensing unit. The first jumper wire is coupled to the second AC input wire, and the second jumper wire is coupled to the common wire. By coupling different wires of the ECM motor differently when replacing a PSC motor than when replacing ECM motors, the ECM motor is configured to replace PSC motors and ECM motors in HVAC systems.
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