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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: 14,781
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. 48HC Carrier Comfort Link

    Started by HE>I, 11-08-2019 08:14 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 695
    Today, 10:40 PM Go to last post
  3. RTU with 50 F coil discharge and modulating hot gas reheat.

    Started by WAYNE3298, 10-04-2019 10:56 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,407
    Today, 10:08 PM Go to last post
    • Replies: 2
    • Views: 109
    Today, 09:24 PM Go to last post
  4. She blew up

    Started by jimp, 11-10-2019 07:37 PM
    • Replies: 7
    • Views: 352
    Today, 10:40 AM Go to last post
  5. Question York D4CG036N08225B Heating unit issue

    Started by PerfectN, 11-10-2019 12:57 PM
    • Replies: 5
    • Views: 170
    Yesterday, 08:18 PM Go to last post
  6. Direct Fired Gas Make Up Air Unit Flame Failure

    Started by simux, 11-10-2019 02:40 PM
    • Replies: 3
    • Views: 178
    Yesterday, 02:34 PM Go to last post
  7. AAON intermittent flame failures

    Started by sigma, 11-05-2019 09:16 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 478
    Yesterday, 03:02 AM Go to last post
  8. Manifold Gauges Are Obsolete

    Started by jimp, 11-02-2019 08:12 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,059
    11-10-2019, 12:54 AM Go to last post
    • Replies: 4
    • Views: 317
    11-09-2019, 09:29 AM Go to last post
  9. Confused Trane YCH300B3 Rooftop Ignition Problem

    Started by Big D 60, 11-06-2019 05:51 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 539
    11-08-2019, 08:19 PM Go to last post
  10. York RTU heating Ignition control failure during AC, unit locks out??

    Started by tcape, 07-22-2016 03:52 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 71
    • Views: 19,959
    11-07-2019, 04:42 PM Go to last post
  11. High head high suction air dryer

    Started by Tika, 10-09-2019 07:32 AM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 2,534
    11-06-2019, 10:46 PM Go to last post
  12. low sub cooling with replaced condenser coil

    Started by moideen, 10-13-2019 12:23 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,799
    11-06-2019, 03:37 PM Go to last post
  13. Aaon touch pad

    Started by Tom1963, 11-06-2019 01:06 PM
    • Replies: 0
    • Views: 128
    11-06-2019, 01:06 PM Go to last post
  14. Mitsubishi drive

    Started by targetman, 11-05-2019 07:19 PM
    • Replies: 1
    • Views: 244
    11-05-2019, 09:52 PM Go to last post
  15. Service Checker Software

    Started by infojunky, 11-02-2019 08:12 PM
    • Replies: 1
    • Views: 265
    11-05-2019, 07:30 AM Go to last post
    • Replies: 3
    • Views: 224
    11-04-2019, 01:47 PM Go to last post
  16. Honeywell TR-71

    Started by James Cady, 11-03-2019 02:14 AM
    • Replies: 2
    • Views: 239
    11-04-2019, 11:48 AM Go to last post
  17. Ref flow through idle VRF module?

    Started by stopro1, 11-03-2019 11:19 AM
    • Replies: 1
    • Views: 220
    11-03-2019, 02:51 PM Go to last post
  18. Maintaining Static of a Commercial Pool Dome (Affinity Laws)

    Started by budman21901, 10-28-2019 07:24 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 858
    11-02-2019, 07:49 AM Go to last post
  19. When did York RTUS become carriers?

    Started by dave1234, 11-01-2019 04:35 PM
    • Replies: 10
    • Views: 478
    11-01-2019, 11:10 PM Go to last post
  20. Best hot gas reheat dehumidification unit available?

    Started by Fitbiker, 08-23-2019 11:06 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,166
    11-01-2019, 07:50 PM Go to last post
  21. Mixing of oils.

    Started by stephen90, 10-31-2019 06:29 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 626
    11-01-2019, 12:44 PM Go to last post
  22. JCI SCT wont uninstall\install

    Started by kraziee, 10-31-2019 11:49 AM
    • Replies: 0
    • Views: 211
    10-31-2019, 11:49 AM Go to last post
  23. Need some lg tech support.

    Started by ksefan, 10-29-2019 09:02 AM
    • Replies: 7
    • Views: 430
    10-30-2019, 03:35 PM Go to last post
  24. Copeland Reciprocating Compressor

    Started by Blair.C, 10-28-2019 05:46 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 829
    10-30-2019, 05:37 AM Go to last post
  25. Tracer Summit Question – Fan setting when idle ?

    Started by Dan_G, 10-22-2019 08:39 PM
    • Replies: 11
    • Views: 304
    10-29-2019, 08:14 AM Go to last post
  26. Aaon contacter issues

    Started by Lickety-Split, 02-09-2019 01:11 PM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 6,001
    10-28-2019, 10:07 PM Go to last post
  27. Trane Binding view issue

    Started by chadtharrison, 10-26-2019 04:28 PM
    • Replies: 8
    • Views: 611
    10-28-2019, 12:55 PM Go to last post
  28. Question Questions on first job.

    Started by Skrub, 10-24-2019 01:10 AM
    • Replies: 7
    • Views: 771
    10-28-2019, 10:17 AM Go to last post
  29. Carrier RTU Question

    Started by flanders, 10-22-2019 08:40 PM
    • Replies: 12
    • Views: 913
    10-28-2019, 09:09 AM Go to last post
  30. Carrier Comfort Link

    Started by HE>I, 10-22-2019 02:35 PM
    • Replies: 3
    • Views: 438
    10-25-2019, 10:33 PM Go to last post
  31. Duct sox alternatives

    Started by sheedyhvac, 10-25-2019 04:01 PM
    • Replies: 3
    • Views: 439
    10-25-2019, 09:04 PM Go to last post
  32. York RTU heat problem

    Started by uke, 10-21-2019 08:30 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,131
    10-25-2019, 06:10 PM Go to last post
  33. booster fans

    Started by HE>I, 10-16-2019 07:35 PM
    • Replies: 4
    • Views: 535
    10-25-2019, 02:12 PM Go to last post
  34. York ZR120 help

    Started by heatingelement, 10-24-2019 05:06 PM
    • Replies: 5
    • Views: 471
    10-25-2019, 04:43 AM Go to last post
  35. LightStat

    Started by targetman, 10-22-2019 07:00 PM
    • Replies: 5
    • Views: 470
    10-23-2019, 08:01 AM Go to last post
  36. Confused Chiller Re-tubing advise

    Started by jlunaCR, 10-21-2019 04:22 AM
    • Replies: 7
    • Views: 665
    10-22-2019, 08:49 PM Go to last post
  37. Carrier Literature

    Started by Tiger93rsl, 10-16-2019 05:47 PM
    • Replies: 12
    • Views: 804
    10-22-2019, 05:13 PM Go to last post
  38. Issue with 11 TR ducted unit

    Started by ddkk0099, 10-22-2019 12:54 AM
    • Replies: 4
    • Views: 367
    10-22-2019, 10:57 AM Go to last post
  39. Water cooled heat pumps (Bosch Vs Climatemaster)

    Started by Blair.C, 10-17-2019 05:44 PM
    • Replies: 4
    • Views: 493
    10-22-2019, 01:20 AM Go to last post
  40. Chilled glycol loop pressure differential

    Started by OHDataCenterGuy, 10-17-2019 07:21 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,000
    10-21-2019, 09:24 PM Go to last post
  41. Hmm Advice on compressor short-cycling

    Started by jlunaCR, 10-16-2019 04:04 AM
    • Replies: 11
    • Views: 866
    10-21-2019, 03:56 AM Go to last post
  42. Simplicity 1A trainer board

    Started by Bdevries, 07-18-2019 12:23 AM
    • Replies: 4
    • Views: 835
    10-20-2019, 02:29 PM Go to last post
  43. No LED status indicator (York)

    Started by Red850kid, 10-19-2019 04:29 PM
    • Replies: 7
    • Views: 708
    10-20-2019, 07:54 AM Go to last post
  44. Multiple cylinder recovery

    Started by Wberryman, 10-17-2019 02:01 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 995
    10-19-2019, 11:35 PM Go to last post
  45. Confused How to find Nat' gas leak in huge bldg with tube heaters.

    Started by TRANE DOG, 10-17-2019 02:13 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,428
    10-19-2019, 11:18 PM Go to last post
  46. Collapsed evaporator tubes - anyone seen this before??

    Started by PAJoel, 09-12-2019 04:53 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 4,910
    10-19-2019, 04:55 PM Go to last post
  47. Topped up 407C with 404A

    Started by StudentGUY, 08-19-2019 04:24 AM
    • Replies: 11
    • Views: 1,173
    10-19-2019, 10:09 AM Go to last post
  48. Confused Daikin chiller unit

    Started by Luis33162, 07-30-2019 05:04 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,421
    10-18-2019, 10:07 PM Go to last post

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