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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. GE ECM 2.3 Wiring

    Started by krips, Yesterday 07:08 PM
    • Replies: 3
    • Views: 103
    Today, 12:40 PM Go to last post
    • Replies: 1
    • Views: 1,130
    10-05-2021, 05:25 PM Go to last post
  3. Condenser fan motor FLA

    Started by gallienus, 09-03-2020 11:09 PM
    • Replies: 6
    • Views: 4,968
    05-11-2021, 07:23 PM Go to last post
  4. Question regarding ECM motors.

    Started by few2many, 05-02-2020 05:00 PM
    • Replies: 13
    • Views: 11,053
    05-04-2021, 11:41 PM Go to last post
  5. Equipment do not have or have mocp, mca

    Started by hhsting, 02-06-2021 09:02 PM
    • Replies: 3
    • Views: 4,348
    02-08-2021, 01:30 AM Go to last post
  6. Rheostat and hard start kits.

    Started by 2hot4you, 07-18-2016 11:41 AM
    • Replies: 5
    • Views: 8,268
    01-13-2021, 08:51 PM Go to last post
  7. X13 motor constant run!

    Started by CFLHVAC, 04-27-2013 12:15 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 29,153
    12-23-2020, 06:36 PM Go to last post
  8. ABB ?

    Started by gazoo, 10-29-2020 05:27 PM
    • Replies: 1
    • Views: 2,388
    10-29-2020, 07:10 PM Go to last post
  9. Compressor Inverters

    Started by GSHPP, 12-28-2019 07:13 AM
    • Replies: 1
    • Views: 4,290
    12-28-2019, 07:22 AM Go to last post
  10. VFD's in rooftop units

    Started by Subcool215, 06-28-2019 09:21 AM
    • Replies: 7
    • Views: 8,129
    06-28-2019, 10:39 PM Go to last post
  11. 11 (not 12) lead dual voltage motor

    Started by Arayt, 04-06-2016 10:19 PM
    • Replies: 3
    • Views: 10,860
    02-23-2019, 09:04 PM Go to last post
  12. Motor for Elevator

    Started by ranitupe, 01-07-2019 12:52 AM
    • Replies: 12
    • Views: 7,733
    01-17-2019, 01:13 AM Go to last post
  13. Hermetic Compressor Motor Issue

    Started by Ryan Babros, 11-13-2018 09:37 AM
    • Replies: 3
    • Views: 5,366
    11-13-2018, 08:03 PM Go to last post
  14. Soft starters

    Started by chander, 06-28-2018 10:50 PM
    • Replies: 4
    • Views: 6,835
    11-04-2018, 01:05 PM Go to last post
    • Replies: 2
    • Views: 5,298
    09-25-2018, 06:16 AM Go to last post
  15. Where to get HVAC fan motor rebuilt?

    Started by valvashon, 04-05-2018 02:35 PM
    • Replies: 3
    • Views: 7,311
    04-07-2018, 06:47 PM Go to last post
  16. Time delay timers explained.

    Started by anthonyac1, 03-31-2018 04:46 PM
    • Replies: 2
    • Views: 4,906
    04-04-2018, 08:43 PM Go to last post
  17. Finding a motor?

    Started by dingo707, 06-20-2017 08:38 PM
    • Replies: 2
    • Views: 5,425
    06-21-2017, 12:17 AM Go to last post
  18. ABB and fault 16 !!!!!!!

    Started by texast, 06-30-2014 10:41 AM
    • Replies: 10
    • Views: 31,717
    11-16-2016, 09:59 PM Go to last post
  19. Someone experienced in 3ph to single ph conversion ?

    Started by maximusvigor, 10-16-2016 08:24 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 10,706
    10-25-2016, 12:27 AM Go to last post
  20. Have you ecer experienced a motor do this?

    Started by Ricky Dale, 05-26-2016 07:27 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 10,937
    08-01-2016, 02:29 AM Go to last post
  21. Fan cycling switch wire short.

    Started by Clawed worm, 07-25-2016 11:28 PM
    • Replies: 0
    • Views: 5,846
    07-25-2016, 11:28 PM Go to last post
  22. Combustion blower fault

    Started by mockingbird, 07-24-2016 08:42 PM
    • Replies: 8
    • Views: 8,172
    07-25-2016, 05:13 AM Go to last post
  23. 3 phase voltage question

    Started by jmcgreevey, 08-12-2013 12:41 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 20,838
    06-01-2016, 12:32 AM Go to last post
  24. Cooling tower fan minimum speed

    Started by RezAtDorsia, 05-26-2016 09:42 PM
    • Replies: 5
    • Views: 7,810
    05-29-2016, 11:30 PM Go to last post
  25. Yaskawa z1000 drive

    Started by AJS HVAC, 02-29-2016 02:43 PM
    • Replies: 1
    • Views: 8,044
    02-29-2016, 06:36 PM Go to last post
  26. Single phase and Three phase motors

    Started by RIEIO, 05-15-2013 01:36 PM
    • Replies: 13
    • Views: 18,686
    11-29-2015, 10:15 PM Go to last post
  27. Premium Efficient Motors

    Started by meby, 01-31-2013 05:41 PM
    • Replies: 7
    • Views: 11,995
    10-23-2015, 01:46 PM Go to last post
  28. Motor control issues

    Started by alexanderlev74, 09-02-2015 10:59 PM
    • Replies: 0
    • Views: 8,438
    09-02-2015, 10:59 PM Go to last post
    • Replies: 1
    • Views: 7,232
    08-21-2015, 09:43 AM Go to last post
  29. VFD Enclosures NEMA 3 or NEMA 4 rated enclosures

    Started by airprep, 03-14-2015 02:43 AM
    • Replies: 2
    • Views: 8,269
    03-25-2015, 01:18 PM Go to last post
  30. Counter-Rotating Fan Motor

    Started by ilostmydrink, 12-28-2014 06:21 PM
    • Replies: 1
    • Views: 7,668
    03-07-2015, 07:29 PM Go to last post
  31. VFD on side-grounded delta

    Started by bluke1, 12-17-2014 08:54 PM
    • Replies: 2
    • Views: 8,108
    02-08-2015, 01:02 PM Go to last post
  32. Progremming a VFD

    Started by LMSystems, 12-26-2013 04:40 PM
    • Replies: 2
    • Views: 8,335
    08-09-2014, 11:39 PM Go to last post
  33. Permanent Magnet DC Treadmill Motor

    Started by hurtinhvac, 02-18-2014 01:29 PM
    • Replies: 7
    • Views: 12,449
    02-23-2014, 02:18 PM Go to last post
  34. 1075rpm 1/2hp condenser fan motor bad

    Started by 02JeepKing, 06-16-2013 05:13 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 20,975
    02-15-2014, 12:59 PM Go to last post
  35. ecm motors can the motor its self be replaced?

    Started by Geo Joe, 01-19-2014 07:59 PM
    • Replies: 1
    • Views: 7,926
    01-19-2014, 09:03 PM Go to last post
  36. Question on a 460V, 3 phase 50hertz pump motor

    Started by seathop, 10-10-2013 10:58 PM
    • Replies: 2
    • Views: 8,467
    12-15-2013, 05:19 PM Go to last post
  37. Why use constant torque ECMs?

    Started by JimtheHVACguy, 07-24-2013 02:40 AM
    • Replies: 13
    • Views: 34,718
    09-25-2013, 11:25 AM Go to last post
  38. Reversing Motor with Drum Switch

    Started by VAV616, 03-20-2013 02:59 AM
    • Replies: 2
    • Views: 10,181
    09-04-2013, 09:31 PM Go to last post

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