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2. What’s with all the copyright stuff?
Three main purposes of the copyrights:
Prevent the sale of as produced material we are creating and giving away to the HVAC educational community for individual profit. Including this information in your HVAC courseware is encouraged.
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3. The ECM Textbook

4. Table of Contents The ECM Textbook Constant Airflow ECM
History of ECM
Constant Airflow ECM
Constant Torque ECM
Constant Speed ECM
This power point contains images that are not in the printed version. This was done to keep the size of the printed text short and improve the concepts that are being taught in the classroom.

5. The ECM Textbook
Constant Speed ECM v3.0

6. Constant Speed ECM S ECM
Constant Speed (OEM) Outdoor Fan ECM

7. Constant Speed ECM Constant Speed (OEM) Outdoor Fan 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

8. Constant Speed ECM Operation Page 1 208-230vac 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

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

10. Constant Speed ECM Application Page 2 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

11. Constant Speed ECM Installation/Set-up Troubleshooting Page 3
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

12. Constant Speed ECM
Page 3

13. Constant Speed ECM Repair
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

14. Constant Speed ECM Conclusion
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

15. Constant Speed ECM www.theDealerToolbox.com
Page 4
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

16. The ECM Textbook
Constant Speed ECM v3.0

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

18. Constant Speed ECM Constant Speed Commercial Refrigeration Motors
Page 5
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

19. Constant Speed ECM Constant Speed Commercial Refrigeration Motors
Page 5
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

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

22. Constant Speed ECM ARKTIC SSC Page 6 Unit bearing motor
Output rating 2-25 watts
Speed rating 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

30. Constant Speed ECM ARKTIC 59 Page 6 Ball bearing motor (3.3” dia.)
Output rating 1/15th Hp
Speed rating 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

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

39. Constant Speed ECM ARKTIC Series Motors ICE Series Motors Page 6
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
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HVAC/R curriculum

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

41. Constant Speed ECM Form fit drop in replacement
Page 7
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

42. New Commercial Refrigeration Website
Constant Speed ECM
New Commercial Refrigeration Website

43. New Commercial Refrigeration Website
Constant Speed ECM
New Commercial Refrigeration Website

44. That’s All Folks!