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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

  1. Normal Thread Normal Threads

  2. Question regarding ECM motors.

    Started by few2many, 05-02-2020 04:00 PM
    • Replies: 12
    • Views: 1,694
    05-03-2020, 06:47 PM Go to last post
  3. Compressor Inverters

    Started by GSHPP, 12-28-2019 06:13 AM
    • Replies: 1
    • Views: 1,425
    12-28-2019, 06:22 AM Go to last post
  4. X13 motor constant run!

    Started by CFLHVAC, 04-26-2013 11:15 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 21,211
    12-07-2019, 10:54 AM Go to last post
  5. VFD's in rooftop units

    Started by Subcool215, 06-28-2019 08:21 AM
    • Replies: 7
    • Views: 4,964
    06-28-2019, 09:39 PM Go to last post
  6. 11 (not 12) lead dual voltage motor

    Started by Arayt, 04-06-2016 09:19 PM
    • Replies: 3
    • Views: 7,918
    02-23-2019, 08:04 PM Go to last post
  7. Motor for Elevator

    Started by ranitupe, 01-06-2019 11:52 PM
    • Replies: 12
    • Views: 4,843
    01-17-2019, 12:13 AM Go to last post
  8. Hermetic Compressor Motor Issue

    Started by Ryan Babros, 11-13-2018 08:37 AM
    • Replies: 3
    • Views: 2,785
    11-13-2018, 07:03 PM Go to last post
  9. Soft starters

    Started by chander, 06-28-2018 09:50 PM
    • Replies: 4
    • Views: 4,046
    11-04-2018, 12:05 PM Go to last post
    • Replies: 2
    • Views: 2,834
    09-25-2018, 05:16 AM Go to last post
  10. Where to get HVAC fan motor rebuilt?

    Started by valvashon, 04-05-2018 01:35 PM
    • Replies: 3
    • Views: 3,955
    04-07-2018, 05:47 PM Go to last post
  11. Time delay timers explained.

    Started by anthonyac1, 03-31-2018 03:46 PM
    • Replies: 2
    • Views: 2,292
    04-04-2018, 07:43 PM Go to last post
  12. Finding a motor?

    Started by dingo707, 06-20-2017 07:38 PM
    • Replies: 2
    • Views: 2,576
    06-20-2017, 11:17 PM Go to last post
  13. ABB and fault 16 !!!!!!!

    Started by texast, 06-30-2014 09:41 AM
    • Replies: 10
    • Views: 23,929
    11-16-2016, 08:59 PM Go to last post
  14. Someone experienced in 3ph to single ph conversion ?

    Started by maximusvigor, 10-16-2016 07:24 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 6,004
    10-24-2016, 11:27 PM Go to last post
  15. Rheostat and hard start kits.

    Started by 2hot4you, 07-18-2016 10:41 AM
    • Replies: 1
    • Views: 4,183
    08-01-2016, 01:40 AM Go to last post
  16. 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: 6,644
    08-01-2016, 01:29 AM Go to last post
  17. Fan cycling switch wire short.

    Started by Clawed worm, 07-25-2016 10:28 PM
    • Replies: 0
    • Views: 3,226
    07-25-2016, 10:28 PM Go to last post
  18. Combustion blower fault

    Started by mockingbird, 07-24-2016 07:42 PM
    • Replies: 8
    • Views: 4,607
    07-25-2016, 04:13 AM Go to last post
  19. 3 phase voltage question

    Started by jmcgreevey, 08-11-2013 11:41 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 15,771
    05-31-2016, 11:32 PM Go to last post
  20. Cooling tower fan minimum speed

    Started by RezAtDorsia, 05-26-2016 08:42 PM
    • Replies: 5
    • Views: 4,526
    05-29-2016, 10:30 PM Go to last post
  21. Yaskawa z1000 drive

    Started by AJS HVAC, 02-29-2016 01:43 PM
    • Replies: 1
    • Views: 4,974
    02-29-2016, 05:36 PM Go to last post
  22. Single phase and Three phase motors

    Started by RIEIO, 05-15-2013 12:36 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 15,357
    11-29-2015, 09:15 PM Go to last post
  23. Premium Efficient Motors

    Started by meby, 01-31-2013 04:41 PM
    • Replies: 7
    • Views: 8,868
    10-23-2015, 12:46 PM Go to last post
  24. Motor control issues

    Started by alexanderlev74, 09-02-2015 09:59 PM
    • Replies: 0
    • Views: 5,604
    09-02-2015, 09:59 PM Go to last post
    • Replies: 1
    • Views: 4,379
    08-21-2015, 08:43 AM Go to last post
  25. VFD Enclosures NEMA 3 or NEMA 4 rated enclosures

    Started by airprep, 03-14-2015 01:43 AM
    • Replies: 2
    • Views: 5,240
    03-25-2015, 12:18 PM Go to last post
  26. Counter-Rotating Fan Motor

    Started by ilostmydrink, 12-28-2014 05:21 PM
    • Replies: 1
    • Views: 4,798
    03-07-2015, 06:29 PM Go to last post
  27. VFD on side-grounded delta

    Started by bluke1, 12-17-2014 07:54 PM
    • Replies: 2
    • Views: 5,084
    02-08-2015, 12:02 PM Go to last post
  28. Progremming a VFD

    Started by LMSystems, 12-26-2013 03:40 PM
    • Replies: 2
    • Views: 5,472
    08-09-2014, 10:39 PM Go to last post
  29. Permanent Magnet DC Treadmill Motor

    Started by hurtinhvac, 02-18-2014 12:29 PM
    • Replies: 7
    • Views: 8,886
    02-23-2014, 01:18 PM Go to last post
  30. 1075rpm 1/2hp condenser fan motor bad

    Started by 02JeepKing, 06-16-2013 04:13 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 15,093
    02-15-2014, 11:59 AM Go to last post
  31. ecm motors can the motor its self be replaced?

    Started by Geo Joe, 01-19-2014 06:59 PM
    • Replies: 1
    • Views: 5,125
    01-19-2014, 08:03 PM Go to last post
  32. Question on a 460V, 3 phase 50hertz pump motor

    Started by seathop, 10-10-2013 09:58 PM
    • Replies: 2
    • Views: 5,573
    12-15-2013, 04:19 PM Go to last post
  33. Why use constant torque ECMs?

    Started by JimtheHVACguy, 07-24-2013 01:40 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 25,906
    09-25-2013, 10:25 AM Go to last post
  34. Reversing Motor with Drum Switch

    Started by VAV616, 03-20-2013 01:59 AM
    • Replies: 2
    • Views: 6,954
    09-04-2013, 08:31 PM Go to last post
  35. PF Correction Capacitors

    Started by ascj, 07-28-2013 05:08 PM
    • Replies: 6
    • Views: 6,787
    07-31-2013, 09:04 AM Go to last post
  36. VFD For 2 Speed Motor

    Started by The Reaper, 02-28-2013 08:09 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 16,832
    07-26-2013, 02:38 PM Go to last post
  37. ECM troubleshooting

    Started by waterdawg, 07-15-2013 06:32 AM
    • Replies: 1
    • Views: 5,571
    07-25-2013, 03:12 PM Go to last post
  38. VFDs on ungrounded delta systems.

    Started by Randy S., 04-08-2013 09:18 PM
    • Replies: 5
    • Views: 11,522
    07-21-2013, 10:18 PM Go to last post
  39. How to hook up blower motor?

    Started by uncle18, 06-22-2013 12:38 PM
    • Replies: 12
    • Views: 9,724
    06-23-2013, 07:37 AM Go to last post

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