ECM (Electronically Commutated Motor) control manipulates the motor speed and torque in order to control airflow. Found in many newer furnaces, but not all and can be a retrofit to older furnaces with inefficient PSC blower motors.
When a furnace or air handler with an ECM is installed on a well designed duct system, evaporator coil and furnace air filtration system with static pressures within proper design parameters, it can perform flawlessly. These systems can deliver precise airflow to match two-speed condenser designs and multi-stage gas furnace firing rates to deliver quiet, draft-free comfort in virtually any configuration.
Many ducted systems are poorly designed right from the start. Unaware to
many homeowners. Increasing electricity and operating costs. Our whole house approach repairs air flow problems, permanently. Reducing energy costs and saving money.
The module or ECM Microprocessor or the “brains” of the motor. It receives the programming information from the board via a 16 pin harness and “translates” so the motor produces the CFM desired. The DC "hub" mounts on end of the motor or can be remotely mounted and stores the “relationship” between the speed (rpm's), torque & air flow (CFM) as required.
What is a ECM motor for furnace? Variable speeds – Unlike an on/off PSC motor, a furnace ECM motor can operate at a range of outputs between zero and 100 percent. (Energy) CFM output of the motor can be adjusted by signals from a controller, or permanently programmed to advance through a range of speeds selected during each on cycle of furnace to include determined fan and cooling speeds.
When a furnace is properly installed with properly sized ductwork to move airflow to the farther point (outlet) of home, an ECM Motor is your #1 Best Choice. Installed on a well-built, engineered duct system, evaporator coil, and filtration system with static pressures within proper design parameters, it can perform flawlessly. These systems can deliver precise airflow to match two-speed condenser designs and multi-stage gas furnace firing rates to deliver
quiet, draft-free comfort in virtually any configuration. Our reputation of
quality, professional, design-build ductwork systems provide long term air
flow energy solutions.
A PSC or permanent split capacitor is a type of motor that is designed to move
air flow according to a fixed rate of speed or rpm. ECM or electronically commutated motors save energy and improve the efficient movement of air through home. Saving energy by changing the frequency and its direction of wavelengths.
Speed control on ECM Motors is accomplished through the use of armature-mounted windings to rotate the motor shaft, eliminating mechanical "brushes" and commutators. ECM control offers true torque and/or variable speed capability along with high efficiency ratings over a full (constant) operating range.
In contrast, saving up to 75% in electrical energy costs during operation over other Permanent Split Capacitor (PSC) older, cheaper furnace motors. PCS type motors become less efficient when motor speed is decreased. As more multi-speed applications become more common and energy efficiency requirements increase, ECM control is a useful tool to create efficient and more comfortable indoor environments. These motors generally include a five year manufacturer warranty.
ECM Motor Replacement Experts. Improve your Air Flow. Increase Efficiency. Better Total Home Comfort. Call 952.941.6049
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