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Forum: Tech to Tech Chat - Commercial

FOR TECHNICAL CHAT BETWEEN INDUSTRY WORKERS ONLY. NO AOP OR DIY** This forum is for Technical Chat in the Commercial Industry and only within the limits of the Open area Rules concerning DIY. Any technical chat that goes too far will be removed or moved to the Pro Area.

  1. Sticky Thread Sticky Threads

  2. Sticky Thread NO AOP or Homeowner posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 42,919
    Dad
    08-10-2011, 04:34 PM Go to last post

  1. Normal Thread Normal Threads

  2. Trane (Horizon) OABD108 - High Discharge Air Temp

    Started by echocrewchief, 07-13-2023 12:18 PM
    • Replies: 2
    • Views: 1,220
    echocrewchief
    07-21-2023, 04:41 PM Go to last post

  3. 2 second qwik check strips

    Started by MItech123, 07-17-2023 05:24 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 21
    • Views: 870
    MItech123
    07-21-2023, 11:28 AM Go to last post

  4. York high pressure

    Started by LJCB, 07-10-2023 06:11 PM
    7 Pages •
    1 2 3 4 5 6 ... 7
    2 Attachment(s)
    • Replies: 132
    • Views: 3,933
    Jshanl
    07-21-2023, 07:13 AM Go to last post

  5. 266 volts feeding into 24 volt coil

    Started by gazoo, 07-19-2023 10:51 AM
    1 Attachment(s)
    • Replies: 13
    • Views: 868
    71CHOPS
    07-20-2023, 07:33 PM Go to last post

  6. 10 ton, R22 Carrier system - need some help

    Started by nationheating, 07-15-2023 07:58 PM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 1,702
    ehsx
    07-20-2023, 03:43 PM Go to last post

  7. midea minutes split

    Started by nytech28, 06-11-2023 05:23 PM
    • Replies: 17
    • Views: 1,284
    EugeneTheJeep
    07-19-2023, 01:46 PM Go to last post

  8. Confused Danfos Turbocor

    Started by wireguy, 11-20-2012 07:52 PM
    • Replies: 8
    • Views: 8,174
    refrigerationtech
    07-19-2023, 01:11 PM Go to last post

  9. R22 retrofit 50 ton York.

    Started by UgLee1983, 07-18-2023 09:16 PM
    • Replies: 3
    • Views: 664
    2sac
    07-18-2023, 10:02 PM Go to last post

  10. Trane voyager comp 2 proving fail

    Started by Bamarookie, 07-18-2023 08:01 PM
    • Replies: 0
    • Views: 427
    Bamarookie
    07-18-2023, 08:01 PM Go to last post

  11. Using trace gas to leak search

    Started by muffinman540, 07-17-2023 08:05 PM
    • Replies: 5
    • Views: 556
    pecmsg
    07-18-2023, 08:18 AM Go to last post

  12. Economizer outdoor enthalpy sensor

    Started by muffinman540, 07-17-2023 12:46 AM
    • Replies: 7
    • Views: 689
    71CHOPS
    07-17-2023, 09:08 PM Go to last post

  13. Can someone recommend gauges?

    Started by Rusty Capacitor, 07-16-2020 07:27 AM
    3 Pages •
    1 2 3
    • Replies: 43
    • Views: 9,848
    EugeneTheJeep
    07-17-2023, 04:48 PM Go to last post

  14. This one has been a doozy!

    Started by abedjoud, 07-16-2023 02:42 PM
    • Replies: 10
    • Views: 873
    shavedneon
    07-17-2023, 04:09 AM Go to last post

  15. Confused 110L / 400H PSI on a R-22 System?

    Started by klabkebash, 07-16-2023 03:14 AM
    • Replies: 2
    • Views: 554
    ehsx
    07-16-2023, 08:31 AM Go to last post

  16. Module

    Started by Iceman_pdx, 07-15-2023 08:47 AM
    1 Attachment(s)
    • Replies: 5
    • Views: 513
    hvac69
    07-16-2023, 06:19 AM Go to last post

  17. First post! No oil in compressor all in liquid line AAON unit compressor high temp

    Started by Maximis, 07-14-2023 11:14 PM
    • Replies: 5
    • Views: 501
    71CHOPS
    07-15-2023, 10:46 AM Go to last post

  18. Nitrogen bottle

    Started by Sberry, 07-07-2023 08:43 AM
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 29
    • Views: 2,661
    supers_5
    07-11-2023, 12:41 PM Go to last post

  19. Ruud package unit blower need higher RPM?

    Started by koolerdude, 08-27-2011 06:10 AM
    • Replies: 8
    • Views: 3,133
    Bill mcC
    07-09-2023, 11:50 AM Go to last post

  20. York YVAC Chiller leak question.

    Started by budman21901, 06-18-2023 01:35 AM
    2 Attachment(s)
    • Replies: 4
    • Views: 599
    Poodle Head Mikey
    07-08-2023, 09:50 AM Go to last post

  21. light commercial

    Started by Hunter844, 07-07-2023 08:31 AM
    • Replies: 15
    • Views: 757
    shellkamp
    07-08-2023, 06:43 AM Go to last post

  22. Electric heating coil with scr not working

    Started by mlarson29, 07-01-2023 12:15 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 35
    • Views: 1,724
    Bill mcC
    07-08-2023, 04:44 AM Go to last post

  23. VRF LG LATS

    Started by delangel22, 07-06-2023 07:46 AM
    • Replies: 3
    • Views: 453
    JayMan7
    07-06-2023, 08:06 PM Go to last post

  24. Daikin VRV /Float Safety Switch

    Started by JSD2031, 07-06-2023 12:33 PM
    • Replies: 1
    • Views: 571
    JayMan7
    07-06-2023, 05:11 PM Go to last post

  25. Daikin air cooled screw chiller

    Started by Firebug_2020, 07-05-2023 11:56 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 644
    ehsx
    07-06-2023, 10:28 AM Go to last post

  26. Blower motor upgrade

    Started by Nicman's HW, 06-30-2023 08:01 PM
    2 Pages •
    1 2
    • Replies: 29
    • Views: 911
    hvacrmedic
    07-04-2023, 11:32 AM Go to last post

  27. Trane Voyager 3 Emergency stop.

    Started by Chupapi, 07-03-2023 05:34 PM
    • Replies: 3
    • Views: 930
    Spitz
    07-03-2023, 06:53 PM Go to last post

  28. LG VRF Indoor Units do nothing in "Auto"

    Started by JohnLoves2ski, 06-29-2023 03:49 PM
    • Replies: 9
    • Views: 1,025
    JohnLoves2ski
    07-01-2023, 05:05 PM Go to last post

  29. Confused City Multi VRF, Indoor units not cooling properly

    Started by brianl183, 06-24-2023 06:03 PM
    • Replies: 12
    • Views: 1,295
    JayMan7
    06-29-2023, 09:14 PM Go to last post

  30. 20 TON20 TON AAON High liquid line pressure AAON High liquid line pressure

    Started by Xerokross, 06-13-2023 10:58 AM
    1 Attachment(s)
    • Replies: 9
    • Views: 1,204
    onepraizinhim2
    06-29-2023, 03:40 PM Go to last post

  31. York pkg unit boards needed

    Started by BaldLoonie, 06-05-2023 12:59 PM
    • Replies: 14
    • Views: 956
    supers_5
    06-26-2023, 02:56 PM Go to last post

  32. Trane Precident Indoor blower not starting/ backwards

    Started by Hayden_444, 06-20-2023 09:33 PM
    • Replies: 5
    • Views: 760
    Spitz
    06-21-2023, 07:52 AM Go to last post

  33. Can a co meter be fooled by dust?

    Started by tinman74, 02-02-2016 03:45 PM
    • Replies: 19
    • Views: 2,928
    Hayden_444
    06-20-2023, 09:49 PM Go to last post

  34. Chiller evaporator parts list

    Started by ksefan, 10-08-2021 11:41 AM
    2 Attachment(s)
    • Replies: 11
    • Views: 1,569
    ehsx
    06-20-2023, 09:24 AM Go to last post

  35. Frown Horizon 1410 ice maker

    Started by Mvanslee, 06-19-2023 10:02 AM
    • Replies: 0
    • Views: 234
    Mvanslee
    06-19-2023, 10:02 AM Go to last post

  36. Samsung VRF-How do I make the Secondary the Main

    Started by delangel22, 06-19-2023 09:07 AM
    • Replies: 0
    • Views: 334
    delangel22
    06-19-2023, 09:07 AM Go to last post

  37. general Copeland Discus information wanted

    Started by CHAINIK, 12-10-2022 10:33 AM
    2 Pages •
    1 2
    9 Attachment(s)
    • Replies: 27
    • Views: 2,147
    mrhvacmechanic
    06-16-2023, 08:55 PM Go to last post

  38. Looking for help on a RIBU1S relay

    Started by Mr Kym, 06-12-2023 10:13 PM
    controls
    • Replies: 13
    • Views: 880
    hvac69
    06-14-2023, 12:55 PM Go to last post

  39. York OM

    Started by M!st, 06-09-2023 12:39 PM
    • Replies: 5
    • Views: 764
    71CHOPS
    06-14-2023, 12:16 PM Go to last post

  40. Trane Intellipak Comp Press Differential

    Started by RTFM2020, 06-12-2023 07:35 PM
    • Replies: 4
    • Views: 1,067
    RTFM2020
    06-12-2023, 08:20 PM Go to last post

  41. Climatemaster AL1 AL2....???

    Started by ariztech, 06-10-2023 01:06 PM
    • Replies: 1
    • Views: 459
    hvac69
    06-10-2023, 05:01 PM Go to last post
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