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Forum: Motors & Motor Controls

Discussions related to the design, installation, and maintenance of AC and DC motors, and their associated controls

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  2. Why use constant torque ECMs?

    Started by JimtheHVACguy, 07-24-2013 01:40 AM
    • Replies: 13
    • Views: 32,380
    09-25-2013, 10:25 AM Go to last post
  3. ABB and fault 16 !!!!!!!

    Started by texast, 06-30-2014 09:41 AM
    • Replies: 10
    • Views: 29,314
    11-16-2016, 08:59 PM Go to last post
  4. X13 motor constant run!

    Started by CFLHVAC, 04-26-2013 11:15 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 26,581
    12-23-2020, 05:36 PM Go to last post
  5. VFD For 2 Speed Motor

    Started by The Reaper, 02-28-2013 08:09 PM
    • Replies: 18
    • Views: 19,892
    07-26-2013, 02:38 PM Go to last post
  6. 1075rpm 1/2hp condenser fan motor bad

    Started by 02JeepKing, 06-16-2013 04:13 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 19,174
    02-15-2014, 11:59 AM Go to last post
  7. 3 phase voltage question

    Started by jmcgreevey, 08-11-2013 11:41 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 19,082
    05-31-2016, 11:32 PM Go to last post
  8. Single phase and Three phase motors

    Started by RIEIO, 05-15-2013 12:36 PM
    • Replies: 13
    • Views: 17,890
    11-29-2015, 09:15 PM Go to last post
  9. VFDs on ungrounded delta systems.

    Started by Randy S., 04-08-2013 09:18 PM
    • Replies: 5
    • Views: 13,102
    07-21-2013, 10:18 PM Go to last post
  10. Permanent Magnet DC Treadmill Motor

    Started by hurtinhvac, 02-18-2014 12:29 PM
    • Replies: 7
    • Views: 11,499
    02-23-2014, 01:18 PM Go to last post
  11. Premium Efficient Motors

    Started by meby, 01-31-2013 04:41 PM
    • Replies: 7
    • Views: 11,291
    10-23-2015, 12:46 PM Go to last post
  12. How to hook up blower motor?

    Started by uncle18, 06-22-2013 12:38 PM
    • Replies: 12
    • Views: 10,729
    06-23-2013, 07:37 AM Go to last post
  13. 11 (not 12) lead dual voltage motor

    Started by Arayt, 04-06-2016 09:19 PM
    • Replies: 3
    • Views: 10,240
    02-23-2019, 08:04 PM Go to last post
  14. Have you ecer experienced a motor do this?

    Started by Ricky Dale, 05-26-2016 06:27 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 9,600
    08-01-2016, 01:29 AM Go to last post
  15. Reversing Motor with Drum Switch

    Started by VAV616, 03-20-2013 01:59 AM
    • Replies: 2
    • Views: 9,368
    09-04-2013, 08:31 PM Go to last post
  16. PF Correction Capacitors

    Started by ascj, 07-28-2013 05:08 PM
    • Replies: 6
    • Views: 9,312
    07-31-2013, 09:04 AM Go to last post
  17. Someone experienced in 3ph to single ph conversion ?

    Started by maximusvigor, 10-16-2016 07:24 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 9,203
    10-24-2016, 11:27 PM Go to last post
  18. Question regarding ECM motors.

    Started by few2many, 05-02-2020 04:00 PM
    • Replies: 13
    • Views: 9,026
    05-04-2021, 10:41 PM Go to last post
  19. Question on a 460V, 3 phase 50hertz pump motor

    Started by seathop, 10-10-2013 09:58 PM
    • Replies: 2
    • Views: 7,857
    12-15-2013, 04:19 PM Go to last post
  20. Motor control issues

    Started by alexanderlev74, 09-02-2015 09:59 PM
    • Replies: 0
    • Views: 7,853
    09-02-2015, 09:59 PM Go to last post
  21. Progremming a VFD

    Started by LMSystems, 12-26-2013 03:40 PM
    • Replies: 2
    • Views: 7,769
    08-09-2014, 10:39 PM Go to last post
  22. ECM troubleshooting

    Started by waterdawg, 07-15-2013 06:32 AM
    • Replies: 1
    • Views: 7,669
    07-25-2013, 03:12 PM Go to last post
  23. VFD Enclosures NEMA 3 or NEMA 4 rated enclosures

    Started by airprep, 03-14-2015 01:43 AM
    • Replies: 2
    • Views: 7,519
    03-25-2015, 12:18 PM Go to last post
  24. ecm motors can the motor its self be replaced?

    Started by Geo Joe, 01-19-2014 06:59 PM
    • Replies: 1
    • Views: 7,408
    01-19-2014, 08:03 PM Go to last post
  25. Yaskawa z1000 drive

    Started by AJS HVAC, 02-29-2016 01:43 PM
    • Replies: 1
    • Views: 7,405
    02-29-2016, 05:36 PM Go to last post
  26. VFD on side-grounded delta

    Started by bluke1, 12-17-2014 07:54 PM
    • Replies: 2
    • Views: 7,384
    02-08-2015, 12:02 PM Go to last post
  27. Combustion blower fault

    Started by mockingbird, 07-24-2016 07:42 PM
    • Replies: 8
    • Views: 7,222
    07-25-2016, 04:13 AM Go to last post
  28. VFD's in rooftop units

    Started by Subcool215, 06-28-2019 08:21 AM
    • Replies: 7
    • Views: 7,182
    06-28-2019, 09:39 PM Go to last post
  29. Rheostat and hard start kits.

    Started by 2hot4you, 07-18-2016 10:41 AM
    • Replies: 5
    • Views: 7,173
    01-13-2021, 07:51 PM Go to last post
  30. Counter-Rotating Fan Motor

    Started by ilostmydrink, 12-28-2014 05:21 PM
    • Replies: 1
    • Views: 7,136
    03-07-2015, 06:29 PM Go to last post
  31. Cooling tower fan minimum speed

    Started by RezAtDorsia, 05-26-2016 08:42 PM
    • Replies: 5
    • Views: 7,109
    05-29-2016, 10:30 PM Go to last post
  32. Motor for Elevator

    Started by ranitupe, 01-06-2019 11:52 PM
    • Replies: 12
    • Views: 6,884
    01-17-2019, 12:13 AM Go to last post
    • Replies: 1
    • Views: 6,672
    08-21-2015, 08:43 AM Go to last post
  33. Where to get HVAC fan motor rebuilt?

    Started by valvashon, 04-05-2018 01:35 PM
    • Replies: 3
    • Views: 6,350
    04-07-2018, 05:47 PM Go to last post
  34. Soft starters

    Started by chander, 06-28-2018 09:50 PM
    • Replies: 4
    • Views: 6,129
    11-04-2018, 12:05 PM Go to last post
  35. GE 5KSP39FGW452S Condenser Fan Motor

    Started by Tetracomm, 03-17-2013 11:44 AM
    • Replies: 2
    • Views: 6,035
    03-19-2013, 05:25 PM Go to last post
  36. Hawkeye 458

    Started by blazey10, 05-02-2013 09:59 AM
    • Replies: 2
    • Views: 5,870
    05-12-2013, 10:18 AM Go to last post
  37. Fan cycling switch wire short.

    Started by Clawed worm, 07-25-2016 10:28 PM
    • Replies: 0
    • Views: 5,473
    07-25-2016, 10:28 PM Go to last post
  38. Mystery Board

    Started by btucker62, 04-28-2013 11:23 AM
    • Replies: 2
    • Views: 5,447
    04-28-2013, 05:20 PM Go to last post
  39. Finding a motor?

    Started by dingo707, 06-20-2017 07:38 PM
    • Replies: 2
    • Views: 4,899
    06-20-2017, 11:17 PM Go to last post
  40. Hermetic Compressor Motor Issue

    Started by Ryan Babros, 11-13-2018 08:37 AM
    • Replies: 3
    • Views: 4,768
    11-13-2018, 07:03 PM Go to last post

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