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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 posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 12,809
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Stuck TXV?

    Started by USCGHVAC, 04-18-2019 12:57 PM
    • Replies: 9
    • Views: 344
    Today, 02:28 PM Go to last post
  3. Carlyle compressor unloader selection.

    Started by anthonyac1, 04-16-2019 08:13 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 428
    Today, 08:51 AM Go to last post
  4. 06E carlyle dual unloaderproper adjustments

    Started by anthonyac1, Yesterday 12:14 AM
    • Replies: 4
    • Views: 210
    Yesterday, 09:08 PM Go to last post
  5. cycling 2 units to work together at different time

    Started by Takete, 03-30-2019 12:10 AM
    • Replies: 9
    • Views: 528
    Yesterday, 08:49 PM Go to last post
  6. Confused Cost of a 100 Ton Chiller Yearly Maintenance

    Started by jlunaCR, 04-08-2019 08:48 PM
    • Replies: 7
    • Views: 563
    Yesterday, 08:44 PM Go to last post
  7. Trane TD-5 display

    Started by mesahvac, 03-30-2019 01:10 PM
    • Replies: 8
    • Views: 615
    04-20-2019, 09:11 AM Go to last post
  8. Helium Gas leak detector

    Started by jimp, 04-08-2019 06:32 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 1,815
    04-18-2019, 09:58 AM Go to last post
  9. Quick Hack-Fix for Carrier CCN Marquee Pad

    Started by PaysonHVAC, 04-14-2019 12:36 PM
    • Replies: 1
    • Views: 302
    04-18-2019, 04:52 AM Go to last post
  10. Converting trane condensing unit fromm R22 to R407C

    Started by hvacpilot, 04-17-2019 02:58 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 608
    04-18-2019, 04:26 AM Go to last post
  11. Frown ptacs flooding rooms

    Started by luxx, 03-31-2019 02:10 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 835
    04-17-2019, 09:45 AM Go to last post
    • Replies: 2
    • Views: 188
    04-17-2019, 05:23 AM Go to last post
  12. I need a McQuay bacnet controller manual.

    Started by ksefan, 04-09-2019 03:54 PM
    • Replies: 5
    • Views: 338
    04-16-2019, 07:33 PM Go to last post
  13. Electrical enclosure cooling

    Started by joejr, 04-11-2019 11:00 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 1,612
    04-16-2019, 08:56 AM Go to last post
    • Replies: 4
    • Views: 156
    04-15-2019, 08:16 AM Go to last post
  14. Aaon ecm motor issue model RQ006

    Started by mesahvac, 04-05-2019 02:11 AM
    • Replies: 2
    • Views: 368
    04-15-2019, 04:20 AM Go to last post
  15. Confused Vintage Singer Unit

    Started by RoyR80, 04-04-2019 02:27 PM
    • Replies: 5
    • Views: 454
    04-11-2019, 09:43 PM Go to last post
    • Replies: 9
    • Views: 597
    04-11-2019, 02:59 PM Go to last post
  16. Dry-o-tron leak

    Started by Spitz, 03-22-2019 02:11 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 1,894
    04-10-2019, 01:49 PM Go to last post
  17. Skymark Skypak's

    Started by cmajerus, 09-25-2013 01:09 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 11,733
    04-10-2019, 09:37 AM Go to last post
  18. Trane chiller cgam temp sensor replacement

    Started by daveoxlad, 06-26-2013 09:18 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 9,021
    04-09-2019, 09:24 AM Go to last post
  19. What kind of TXV is in a Carrier 40RUAA air handler?

    Started by CHAINIK, 03-28-2019 05:54 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,038
    04-08-2019, 07:15 PM Go to last post
  20. Condensor sizing

    Started by crazzycajun, 03-30-2019 08:33 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,203
    04-07-2019, 09:13 PM Go to last post
  21. Copeland scroll oil removal??

    Started by anthonyac1, 03-26-2019 03:59 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 2,012
    04-05-2019, 08:10 PM Go to last post
  22. Carrier rooftop cube relay

    Started by Mars65, 03-29-2019 03:20 PM
    • Replies: 12
    • Views: 820
    04-05-2019, 04:54 PM Go to last post
  23. New to commercial Hvac

    Started by jmeadows, 03-13-2019 09:35 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,009
    04-05-2019, 12:53 AM Go to last post
  24. TRANE RTU Heat Pump

    Started by COOLJIM, 04-03-2019 11:27 PM
    • Replies: 2
    • Views: 314
    04-04-2019, 09:00 PM Go to last post
  25. Flame rollout

    Started by cfmech, 04-01-2019 12:47 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,346
    04-04-2019, 06:02 PM Go to last post
  26. York JS63 overhauling manual

    Started by A.farghal, 04-04-2019 02:05 PM
    • Replies: 1
    • Views: 214
    04-04-2019, 03:19 PM Go to last post
  27. R-22 to m099 conversion for a 20 ton Engineered Air

    Started by Corvac, 04-02-2019 09:32 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,114
    04-03-2019, 11:55 PM Go to last post
  28. Boiler flue crushed inward

    Started by Frosty 25, 11-02-2018 10:09 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,832
    04-03-2019, 04:19 PM Go to last post
  29. Discharge thermistor

    Started by Spitz, 04-01-2019 10:02 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 849
    04-02-2019, 08:47 PM Go to last post
  30. New aaon make up air setpoints?

    Started by fitzyfitta, 04-01-2019 08:53 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 729
    04-02-2019, 07:18 PM Go to last post
  31. Hmm Carrier 460v Heat Pump

    Started by drage93, 03-31-2019 08:18 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,060
    04-02-2019, 12:16 PM Go to last post
  32. When to Unload 407c?

    Started by markg2076, 03-30-2019 12:14 PM
    • Replies: 3
    • Views: 459
    04-02-2019, 07:30 AM Go to last post
  33. Confused Carrier 30GT-040 icing EXV Help?

    Started by Francis Monaco, 11-20-2015 09:03 PM
    • Replies: 9
    • Views: 1,986
    04-01-2019, 11:00 PM Go to last post
  34. 25 Ton AAON unit - space is too hot

    Started by Dan_G, 03-24-2019 02:26 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,569
    04-01-2019, 07:57 PM Go to last post
  35. Split system liquid line sizing

    Started by Bglenn525, 03-14-2019 02:40 PM
    • Replies: 11
    • Views: 1,079
    03-31-2019, 07:37 PM Go to last post
  36. Carlyle 06D leaking

    Started by Rdell16, 03-29-2019 12:15 PM
    carlyle, gaskets, leak
    • Replies: 9
    • Views: 565
    03-31-2019, 10:27 AM Go to last post
  37. TXV for R407C

    Started by EugeneTheJeep, 03-08-2019 12:16 PM
    • Replies: 7
    • Views: 1,087
    03-30-2019, 12:20 AM Go to last post
  38. carrier 48ma autopilots

    Started by finest, 01-05-2012 08:55 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 5,823
    03-29-2019, 01:12 AM Go to last post
  39. Trane mini-split max- out !

    Started by ga1279, 03-26-2019 11:19 AM
    • Replies: 2
    • Views: 392
    03-27-2019, 09:34 PM Go to last post
  40. Help in the AOR

    Started by Sgtbrianadams, 03-26-2019 01:12 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 934
    03-27-2019, 07:16 PM Go to last post
  41. Mitsubishi VRF training classes

    Started by mesahvac, 12-18-2018 12:27 AM
    • Replies: 10
    • Views: 1,459
    03-27-2019, 04:57 PM Go to last post
  42. Unistrut clamp vs pipe insulation.

    Started by anthonyac1, 03-25-2019 06:48 PM
    • Replies: 3
    • Views: 501
    03-26-2019, 02:52 AM Go to last post
  43. Three fuses

    Started by jimp, 03-15-2019 08:34 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 2,955
    03-25-2019, 07:41 PM Go to last post
  44. etc 2 stage ranco t-stat control 100% mua

    Started by anthonyac1, 03-20-2019 12:15 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,732
    03-25-2019, 12:58 PM Go to last post
  45. Looking for literature

    Started by Boiler Life, 03-12-2019 01:59 PM
    • Replies: 2
    • Views: 602
    03-23-2019, 09:28 PM Go to last post
  46. Confused Copeland Tandem 15HP Scroll compressors - Replacement

    Started by thebigjg, 03-18-2019 01:49 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,278
    03-23-2019, 12:35 PM Go to last post
  47. Copeland

    Started by Jay atha, 03-22-2019 08:48 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 952
    03-22-2019, 03:49 PM Go to last post
  48. Lennox RTU Fan too noisy issue

    Started by rvandervelden, 03-20-2019 09:01 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 1,689
    03-22-2019, 08:43 AM Go to last post

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