Threads 1 to 42 of 42

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. Compressor Inverters

    Started by GSHPP, 12-28-2019 07:13 AM
    • Replies: 1
    • Views: 595
    12-28-2019, 07:22 AM Go to last post
  3. X13 motor constant run!

    Started by CFLHVAC, 04-26-2013 11:15 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 20,043
    12-07-2019, 11:54 AM Go to last post
  4. VFD's in rooftop units

    Started by Subcool215, 06-28-2019 08:21 AM
    • Replies: 7
    • Views: 4,553
    06-28-2019, 09:39 PM Go to last post
  5. 11 (not 12) lead dual voltage motor

    Started by Arayt, 04-06-2016 09:19 PM
    • Replies: 3
    • Views: 7,215
    02-23-2019, 09:04 PM Go to last post
  6. Motor for Elevator

    Started by ranitupe, 01-07-2019 12:52 AM
    • Replies: 12
    • Views: 4,482
    01-17-2019, 01:13 AM Go to last post
  7. Hermetic Compressor Motor Issue

    Started by Ryan Babros, 11-13-2018 09:37 AM
    • Replies: 3
    • Views: 2,424
    11-13-2018, 08:03 PM Go to last post
  8. Soft starters

    Started by chander, 06-28-2018 09:50 PM
    • Replies: 4
    • Views: 3,697
    11-04-2018, 01:05 PM Go to last post
    • Replies: 2
    • Views: 2,493
    09-25-2018, 05:16 AM Go to last post
  9. Where to get HVAC fan motor rebuilt?

    Started by valvashon, 04-05-2018 01:35 PM
    • Replies: 3
    • Views: 3,523
    04-07-2018, 05:47 PM Go to last post
  10. Time delay timers explained.

    Started by anthonyac1, 03-31-2018 03:46 PM
    • Replies: 2
    • Views: 1,955
    04-04-2018, 07:43 PM Go to last post
  11. Finding a motor?

    Started by dingo707, 06-20-2017 07:38 PM
    • Replies: 2
    • Views: 2,246
    06-20-2017, 11:17 PM Go to last post
  12. ABB and fault 16 !!!!!!!

    Started by texast, 06-30-2014 09:41 AM
    • Replies: 10
    • Views: 22,784
    11-16-2016, 09:59 PM Go to last post
  13. Someone experienced in 3ph to single ph conversion ?

    Started by maximusvigor, 10-16-2016 07:24 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 5,323
    10-24-2016, 11:27 PM Go to last post
  14. Rheostat and hard start kits.

    Started by 2hot4you, 07-18-2016 10:41 AM
    • Replies: 1
    • Views: 3,730
    08-01-2016, 01:40 AM Go to last post
  15. 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: 5,988
    08-01-2016, 01:29 AM Go to last post
  16. Fan cycling switch wire short.

    Started by Clawed worm, 07-25-2016 10:28 PM
    • Replies: 0
    • Views: 2,768
    07-25-2016, 10:28 PM Go to last post
  17. Combustion blower fault

    Started by mockingbird, 07-24-2016 07:42 PM
    • Replies: 8
    • Views: 4,014
    07-25-2016, 04:13 AM Go to last post
  18. 3 phase voltage question

    Started by jmcgreevey, 08-11-2013 11:41 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 14,920
    05-31-2016, 11:32 PM Go to last post
  19. Cooling tower fan minimum speed

    Started by RezAtDorsia, 05-26-2016 08:42 PM
    • Replies: 5
    • Views: 4,021
    05-29-2016, 10:30 PM Go to last post
  20. Yaskawa z1000 drive

    Started by AJS HVAC, 02-29-2016 02:43 PM
    • Replies: 1
    • Views: 4,518
    02-29-2016, 06:36 PM Go to last post
  21. Single phase and Three phase motors

    Started by RIEIO, 05-15-2013 12:36 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 14,653
    11-29-2015, 10:15 PM Go to last post
  22. Premium Efficient Motors

    Started by meby, 01-31-2013 05:41 PM
    • Replies: 7
    • Views: 8,383
    10-23-2015, 12:46 PM Go to last post
  23. Motor control issues

    Started by alexanderlev74, 09-02-2015 09:59 PM
    • Replies: 0
    • Views: 5,175
    09-02-2015, 09:59 PM Go to last post
    • Replies: 1
    • Views: 3,940
    08-21-2015, 08:43 AM Go to last post
  24. VFD Enclosures NEMA 3 or NEMA 4 rated enclosures

    Started by airprep, 03-14-2015 01:43 AM
    • Replies: 2
    • Views: 4,805
    03-25-2015, 12:18 PM Go to last post
  25. Counter-Rotating Fan Motor

    Started by ilostmydrink, 12-28-2014 06:21 PM
    • Replies: 1
    • Views: 4,336
    03-07-2015, 07:29 PM Go to last post
  26. VFD on side-grounded delta

    Started by bluke1, 12-17-2014 08:54 PM
    • Replies: 2
    • Views: 4,594
    02-08-2015, 01:02 PM Go to last post
  27. Progremming a VFD

    Started by LMSystems, 12-26-2013 04:40 PM
    • Replies: 2
    • Views: 5,043
    08-09-2014, 10:39 PM Go to last post
  28. Permanent Magnet DC Treadmill Motor

    Started by hurtinhvac, 02-18-2014 01:29 PM
    • Replies: 7
    • Views: 8,387
    02-23-2014, 02:18 PM Go to last post
  29. 1075rpm 1/2hp condenser fan motor bad

    Started by 02JeepKing, 06-16-2013 04:13 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 14,279
    02-15-2014, 12:59 PM Go to last post
  30. ecm motors can the motor its self be replaced?

    Started by Geo Joe, 01-19-2014 07:59 PM
    • Replies: 1
    • Views: 4,677
    01-19-2014, 09:03 PM Go to last post
  31. Question on a 460V, 3 phase 50hertz pump motor

    Started by seathop, 10-10-2013 09:58 PM
    • Replies: 2
    • Views: 5,136
    12-15-2013, 05:19 PM Go to last post
  32. Why use constant torque ECMs?

    Started by JimtheHVACguy, 07-24-2013 01:40 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 24,199
    09-25-2013, 10:25 AM Go to last post
  33. Reversing Motor with Drum Switch

    Started by VAV616, 03-20-2013 01:59 AM
    • Replies: 2
    • Views: 6,484
    09-04-2013, 08:31 PM Go to last post
  34. PF Correction Capacitors

    Started by ascj, 07-28-2013 05:08 PM
    • Replies: 6
    • Views: 6,265
    07-31-2013, 09:04 AM Go to last post
  35. VFD For 2 Speed Motor

    Started by The Reaper, 02-28-2013 09:09 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 16,071
    07-26-2013, 02:38 PM Go to last post
  36. ECM troubleshooting

    Started by waterdawg, 07-15-2013 06:32 AM
    • Replies: 1
    • Views: 5,120
    07-25-2013, 03:12 PM Go to last post
  37. VFDs on ungrounded delta systems.

    Started by Randy S., 04-08-2013 09:18 PM
    • Replies: 5
    • Views: 11,006
    07-21-2013, 10:18 PM Go to last post
  38. How to hook up blower motor?

    Started by uncle18, 06-22-2013 12:38 PM
    • Replies: 12
    • Views: 9,259
    06-23-2013, 07:37 AM Go to last post
  39. Hawkeye 458

    Started by blazey10, 05-02-2013 09:59 AM
    • Replies: 2
    • Views: 5,322
    05-12-2013, 10:18 AM Go to last post
  40. Mystery Board

    Started by btucker62, 04-28-2013 11:23 AM
    • Replies: 2
    • Views: 5,169
    04-28-2013, 05:20 PM Go to last post
  41. GE 5KSP39FGW452S Condenser Fan Motor

    Started by Tetracomm, 03-17-2013 11:44 AM
    • Replies: 2
    • Views: 5,734
    03-19-2013, 05:25 PM Go to last post

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