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Variable Speed ECM 

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Homeowners demand quality and reliability. They also demand comfort inside the home – regardless the weather outside. So whether you are a contractor or an original equipment manufacturer, you have to deliver the latest in technology and innovation for their HVAC systems. That’s why we developed the Emerson® variable-speed electroniclly controlled motors (ECM): to improve both comfort and efficiency and to give you more options – and more opportunity – than ever.

Emerson variable speed motors feature the advanced technology required to help you meet the ever growing demand for comfort and energy efficiency in today’s premium HVAC systems. Featuring state of the art designs that minimize noise, provide quiet, consistent starts and reliable operation, Emerson variable speed ECM motors provide the comfort and efficiency homeowners want, the quality installation contractors demand and the reliability and ease of integration original equipment manufacturers require.

Emerson Variable Speed Technology

Precise Airflow Control 

  • Sensorless sine wave control provides smooth starting, quiet low speed operation and excellent airflow control.  
  • Advanced motor software can provide unrivalled output control for constant airflow across a wide range of operating conditions. 

Smooth, Quiet Operation

  • At low speed settings, Emerson variable speed motors are up to two decibels quieter than other ECM motors.
  • Ultra-smooth shaft cogging helps provide quieter startup and coast-down.

Reliability your Customers Demand

  • All Emerson variable speed motor designs are subjected to extensive design validation and life testing to help ensure reliable service 
  • UltraTech® motors incorporate features to help withstand lightning surges up to 6000 volts.

Faster Set-up and Integration

  • Proprietary motor programming software tool helps you quickly develop blower coefficients needed to achieve the constant CFM airflow demanded by the industry today.
  • The software also generates torque profiles for SelecTech™ and RESCUE EcoTech® motors.

Emerson Variable Speed Motors

UltraTech® Communicating Variable-Speed Motor
A four-wire, two-way serial communicating ECM motor and control (a component of the UltraTech™ communicating system)

16X4W 16 Pin ECM Variable-speed Solution
A 16-pin non-communicating ECM motor and control solution for non-communicating variable speed systems

SelecTech™ Indoor Discrete Speed Blower Motor

Five speed ECM motor with 24 volt speed taps for easy integration into air handler systems

SelecTech™ Outdoor Discrete Speed Condenser Fan Motor

Two speed ECM motor designed for high SEER A/C and heat pump systems

RESCUE EcoTech® High Efficiency Retrofit Blower Motor

A high efficiency, retrofit ECM blower motor designed as a drop-in upgrade for existing PSC powered blower motors in furnace and air handler applications.  Featuring an exclusive design that utilizes high voltage speed taps to determine desired speed,  the RESCUE EcoTech motor easily replaces or upgrades most existing PSC blower motors without need for extensive system modification.

Watch a review of Emerson Variable Speed Motor Solutions at the AHR Expo 2010 with Mike Murphy, Editor-In-Chief, The ACHR News

 

 

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