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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 5KSP39FGW452S Condenser Fan Motor

    Started by Tetracomm, 03-17-2013 11:44 AM
    • Replies: 2
    • Views: 6,893
    timebuilder
    03-19-2013, 05:25 PM Go to last post

  3. Mystery Board

    Started by btucker62, 04-28-2013 11:23 AM
    • Replies: 2
    • Views: 6,255
    btucker62
    04-28-2013, 05:20 PM Go to last post

  4. Hawkeye 458

    Started by blazey10, 05-02-2013 09:59 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 6,704
    blazey10
    05-12-2013, 10:18 AM Go to last post

  5. How to hook up blower motor?

    Started by uncle18, 06-22-2013 12:38 PM
    • Replies: 12
    • Views: 12,234
    timebuilder
    06-23-2013, 07:37 AM Go to last post

  6. VFDs on ungrounded delta systems.

    Started by Randy S., 04-08-2013 09:18 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 14,953
    jbarron4
    07-21-2013, 10:18 PM Go to last post

  7. ECM troubleshooting

    Started by waterdawg, 07-15-2013 06:32 AM
    • Replies: 1
    • Views: 8,429
    jbarron4
    07-25-2013, 03:12 PM Go to last post

  8. VFD For 2 Speed Motor

    Started by The Reaper, 02-28-2013 08:09 PM
    3 Attachment(s)
    • Replies: 18
    • Views: 23,566
    jbarron4
    07-26-2013, 02:38 PM Go to last post

  9. PF Correction Capacitors

    Started by ascj, 07-28-2013 05:08 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 11,904
    jbarron4
    07-31-2013, 09:04 AM Go to last post

  10. Reversing Motor with Drum Switch

    Started by VAV616, 03-20-2013 01:59 AM
    motor control, switch 3 Attachment(s)
    • Replies: 2
    • Views: 11,840
    RosaJ039
    09-04-2013, 08:31 PM Go to last post

  11. Why use constant torque ECMs?

    Started by JimtheHVACguy, 07-24-2013 01:40 AM
    • Replies: 13
    • Views: 44,318
    ksefan
    09-25-2013, 10:25 AM Go to last post

  12. Question on a 460V, 3 phase 50hertz pump motor

    Started by seathop, 10-10-2013 09:58 PM
    • Replies: 2
    • Views: 28,775
    genman
    12-15-2013, 04:19 PM Go to last post

  13. ecm motors can the motor its self be replaced?

    Started by Geo Joe, 01-19-2014 06:59 PM
    • Replies: 1
    • Views: 28,079
    jtrammel
    01-19-2014, 08:03 PM Go to last post

  14. 1075rpm 1/2hp condenser fan motor bad

    Started by 02JeepKing, 06-16-2013 04:13 PM
    2 Pages •
    1 2
    • Replies: 24
    • Views: 45,850
    mathesonequip
    02-15-2014, 11:59 AM Go to last post

  15. Permanent Magnet DC Treadmill Motor

    Started by hurtinhvac, 02-18-2014 12:29 PM
    • Replies: 7
    • Views: 33,551
    IRBH
    02-23-2014, 01:18 PM Go to last post

  16. Progremming a VFD

    Started by LMSystems, 12-26-2013 03:40 PM
    • Replies: 2
    • Views: 28,345
    Deercooler
    08-09-2014, 10:39 PM Go to last post

  17. VFD on side-grounded delta

    Started by bluke1, 12-17-2014 07:54 PM
    • Replies: 2
    • Views: 28,606
    jraef
    02-08-2015, 12:02 PM Go to last post

  18. Counter-Rotating Fan Motor

    Started by ilostmydrink, 12-28-2014 05:21 PM
    • Replies: 1
    • Views: 27,556
    buford
    03-07-2015, 06:29 PM Go to last post

  19. VFD Enclosures NEMA 3 or NEMA 4 rated enclosures

    Started by airprep, 03-14-2015 01:43 AM
    • Replies: 2
    • Views: 28,794
    airprep
    03-25-2015, 12:18 PM Go to last post

  20. What 2 bulbs with a neg and a pos wire can i run on a 6v Battery for a bit.

    Started by zone709, 08-21-2015 08:35 AM
    • Replies: 1
    • Views: 27,177
    zone709
    08-21-2015, 08:43 AM Go to last post

  21. Motor control issues

    Started by alexanderlev74, 09-02-2015 09:59 PM
    • Replies: 0
    • Views: 28,444
    alexanderlev74
    09-02-2015, 09:59 PM Go to last post

  22. Single phase and Three phase motors

    Started by RIEIO, 05-15-2013 12:36 PM
    • Replies: 13
    • Views: 39,096
    Bill B
    11-29-2015, 09:15 PM Go to last post

  23. Yaskawa z1000 drive

    Started by AJS HVAC, 02-29-2016 01:43 PM
    • Replies: 1
    • Views: 28,228
    AJS HVAC
    02-29-2016, 05:36 PM Go to last post

  24. Cooling tower fan minimum speed

    Started by RezAtDorsia, 05-26-2016 08:42 PM
    • Replies: 5
    • Views: 28,142
    RezAtDorsia
    05-29-2016, 10:30 PM Go to last post

  25. 3 phase voltage question

    Started by jmcgreevey, 08-11-2013 11:41 PM
    2 Pages •
    1 2
    • Replies: 26
    • Views: 44,466
    David Goodman
    05-31-2016, 11:32 PM Go to last post

  26. Combustion blower fault

    Started by mockingbird, 07-24-2016 07:42 PM
    • Replies: 8
    • Views: 29,316
    beenthere
    07-25-2016, 04:13 AM Go to last post

  27. Fan cycling switch wire short.

    Started by Clawed worm, 07-25-2016 10:28 PM
    • Replies: 0
    • Views: 25,356
    Clawed worm
    07-25-2016, 10:28 PM Go to last post

  28. 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: 32,798
    IRBH
    08-01-2016, 01:29 AM Go to last post

  29. Someone experienced in 3ph to single ph conversion ?

    Started by maximusvigor, 10-16-2016 07:24 AM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 34,891
    HVAC_Marc
    10-24-2016, 11:27 PM Go to last post

  30. ABB and fault 16 !!!!!!!

    Started by texast, 06-30-2014 09:41 AM
    • Replies: 10
    • Views: 61,268
    camo37
    11-16-2016, 08:59 PM Go to last post

  31. Finding a motor?

    Started by dingo707, 06-20-2017 07:38 PM
    • Replies: 2
    • Views: 25,131
    Supa-Heat
    06-20-2017, 11:17 PM Go to last post

  32. Time delay timers explained.

    Started by anthonyac1, 03-31-2018 03:46 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 25,393
    anthonyac1
    04-04-2018, 07:43 PM Go to last post

  33. Where to get HVAC fan motor rebuilt?

    Started by valvashon, 04-05-2018 01:35 PM
    • Replies: 3
    • Views: 29,092
    servicefitter
    04-07-2018, 05:47 PM Go to last post

  34. Johnson Controls VSD Series II Micro Drive Issue

    Started by The Reaper, 09-24-2018 06:46 PM
    • Replies: 2
    • Views: 25,260
    The Reaper
    09-25-2018, 05:16 AM Go to last post

  35. Soft starters

    Started by chander, 06-28-2018 09:50 PM
    • Replies: 4
    • Views: 26,879
    Palmer Hackle
    11-04-2018, 12:05 PM Go to last post

  36. Hermetic Compressor Motor Issue

    Started by Ryan Babros, 11-13-2018 08:37 AM
    • Replies: 3
    • Views: 25,350
    DavidDeBord
    11-13-2018, 07:03 PM Go to last post

  37. 11 (not 12) lead dual voltage motor

    Started by Arayt, 04-06-2016 09:19 PM
    • Replies: 3
    • Views: 31,012
    reeferrat
    02-23-2019, 08:04 PM Go to last post

  38. VFD's in rooftop units

    Started by Subcool215, 06-28-2019 08:21 AM
    • Replies: 7
    • Views: 29,931
    WAYNE3298
    06-28-2019, 09:39 PM Go to last post

  39. Compressor Inverters

    Started by GSHPP, 12-28-2019 06:13 AM
    • Replies: 1
    • Views: 24,431
    GSHPP
    12-28-2019, 06:22 AM Go to last post

  40. ABB ?

    Started by gazoo, 10-29-2020 04:27 PM
    • Replies: 1
    • Views: 22,514
    dieseldude
    10-29-2020, 06:10 PM Go to last post

  41. Rheostat and hard start kits.

    Started by 2hot4you, 07-18-2016 10:41 AM
    • Replies: 5
    • Views: 29,372
    JehanDM
    01-13-2021, 07:51 PM Go to last post
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