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The ECM Textbook. The ECM Textbook. Table of Contents History of ECM Constant Airflow ECM Constant Torque ECM Constant Speed ECM. The ECM Textbook. Constant Speed ECM v3.0. Constant Speed ECM S ECM. Constant Speed (OEM) Outdoor Fan ECM. Constant Speed ECM. Page 1 .

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The ECM Textbook


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    Presentation Transcript
    1. The ECM Textbook

    2. The ECM Textbook Table of Contents History of ECM Constant Airflow ECM Constant Torque ECM Constant Speed ECM

    3. The ECM Textbook Constant Speed ECM v3.0

    4. Constant Speed ECMS ECM Constant Speed (OEM) Outdoor Fan ECM

    5. Constant Speed ECM Page 1 Constant Speed (OEM) Outdoor Fan ECM • Genteq introduced the Constant Speed outdoor fan motor in 2000 • Two piece motor/control design • Installed, serviced and replaced as one component • Out of production 142 • 2008 Current production 142R • Constant Speed • OEM programming • Optimize more efficient quieter fan operation • ECM Technology – PSC simplicity • Higher efficiency & OEM programmability

    6. Constant Speed ECM Page 1 • Operation • 208-230vac continuous line voltage • A/C or DC communication • Constant Speed • Hardwired at motor • No plugs at the motor • Wire colors OEM specific • Model 142 • 1/3 horse power only • Model 142R • 1/5, 1/3, 1/2, 3/4 horse power • Improved start routine

    7. Constant Speed ECM Page 2 • Operation • 208-230vac continuous line voltage • Operates internal electronics and drives the motor • A/C or DC communication • OEM specific • Speed per demand by OEM program

    8. Constant Speed ECM Page 2 • Application • High SEER A/C and Heat Pump • Single and Two stage applications • Split and Package units • Shaft up, shaft down, remotely located control Shaft Up Design Shaft Down Design

    9. Constant Speed ECM Page 3 • Installation/Set-up • Typically no set up • See OEM manuals • Troubleshooting • Model 142 and 142R • Line voltage continuously powered • Voltage within ±10% acceptable • Communication voltage by demand • OEM specific • Use OEM manual and/or schematic to confirm voltage

    10. Constant Speed ECM Page 3

    11. Constant Speed ECM Page 4 Repair • Programs are specific to HVAC OEM, model and size unit • 142R is available only as a single component • Replacement parts must come from HVAC OEM • No universal replacement parts, NOT FIELD REPARIABLE • Using the wrong motor voids all warranties • May produce unexpected results • Follow all instructions with replacement parts • 142R is backward compatible with model 142

    12. Constant Speed ECM Page 4 Conclusion • Genteq 142R motor built with 6 generations of ECM technology • Reliability improvements include: • Fully encapsulated electronics • Improved EMI filter • Speed limiting • 6KVA • Durable ball bearings • Proven reliability with proper installation, set-up, and annual maintenance

    13. Constant Speed ECM Page 4 www.theDealerToolbox.com • Genteq product information & training videos • ECM Service Guide • Free to download • Latest version updated in 2009 • Troubleshooting Guide for all Genteq ECM • Constant Airflow (Variable Speed) indoor blower motors • Including use of TECMate PRO and TECMate XL • Constant Torque X13 and Evergreen indoor blower motors • Constant Speed 142 and 142R outdoor fan motors

    14. The ECM Textbook Constant Speed ECM v3.0

    15. Constant Speed ECM Constant Speed Commercial Refrigeration ECM HVAC/R curriculum

    16. Page 5 Constant Speed ECM Constant Speed Commercial Refrigeration Motors 1997 – General Electric introduces ECM products for commercial refrigeration applications. 2004 – Regal Beloit acquires ECM division from General Electric and continues to build commercial refrigeration products under the name GE ECM by REGAL BELOIT. 2007 – Regal Beloit acquires Morrill Motors. Morrill has been producing commercial refrigeration motors in an ECM design called SSC since 2003. 2010 – Regal Beloit rebrands all commercial refrigeration products under Morrill Motors HVAC/R curriculum

    17. Page 5 Constant Speed ECM Constant Speed Commercial Refrigeration Motors • Initially designed for evaporator fan motors • Near continuous run time and low efficiency • Commonly used 25-30% efficient shaded pole • Benefits of ECM technology • Increased electrical efficiency, more than double shaded pole • Reduced waste heat on refrigeration load • ECM applications • Evaporator and condenser motors • 20 watt unit bearing up to fractional Hp 48 NEMA frame • OEM and drop-in replacement HVAC/R curriculum

    18. Page 5 Constant Speed ECM • Operation • Constant Speed • Reduces effects of dirt load on motor performance • Decreases motor sizes HVAC/R curriculum

    19. Constant Speed ECM Page 6 • ARKTIC SSC • Unit bearing motor • Output rating 2-25 watts • Speed rating 1000-3600 RPM • Applications • Reach in coolers • Bottle coolers • Display cases • Vending machines • Available in complete fan/shroud assembly • Motor and control in one complete housing HVAC/R curriculum

    20. Constant Speed ECM Page 6 • ARKTIC 59 • Ball bearing motor (3.3” dia.) • Output rating 1/15th Hp • Speed rating 500-1800 RPM • Applications • Walk in coolers • Walk in freezers • Motor and control built in separate housings bolted together • Also available in ICE series HVAC/R curriculum

    21. Constant Speed ECM Page 6 • ARKTIC 142 • Ball bearing motor (NEMA 48 Frame) • Available in 1/5, 1/3, 1/2, and 3/4 Hp • Speed rating 300-1200 RPM • Applications • Condensing fan • Large walk in coolers and freezers • Motor and control built in separate housings bolted together • Also available in ICE series HVAC/R curriculum

    22. Constant Speed ECM Page 6 • ARKTIC Series Motors • Commonly used in single speed applications • Two and three speed options available • Simple 2-pin refrigeration connections to line voltage • Available ¼’ fast on and bare wire strip • Simplicity of shaded pole, energy savings of ECM • ICE Series Motors • Fully programmable • PWM and DSI communication • Compatible with automated controls HVAC/R curriculum

    23. Page 7 Constant Speed ECM Conclusion • Changing marketplace • High efficiency standards • Increasing OEM application • Increasing retrofit HVAC/R curriculum

    24. Page 7 Constant Speed ECM • Conclusion • Morrill Motors commercial refrigeration motors built with 10 years ECM technology • Reliability improvements include: • Form fit drop in replacement • Fully encapsulated electronics • Improved EMI filter • Speed limiting • 4KVA • Durable ball bearings HVAC/R curriculum

    25. Constant Speed ECM New Commercial Refrigeration Website

    26. Constant Speed ECM New Commercial Refrigeration Website

    27. That’s All Folks!