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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: 6,182
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Daikin VRV

    Started by targetman, 04-01-2015 07:40 AM
    • Replies: 4
    • Views: 610
    04-07-2015, 07:12 PM Go to last post
  3. Trane TWA 120 dry charge with reliatel question

    Started by nccurtin, 04-06-2015 06:10 PM
    • Replies: 4
    • Views: 367
    04-06-2015, 07:44 PM Go to last post
  4. water split on water source heat pump too high and tripping

    Started by Jeremybednarsh, 04-02-2015 07:43 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 894
    04-06-2015, 06:52 PM Go to last post
  5. Barber Coleman XPSI

    Started by WPandH, 03-18-2015 08:57 AM
    • Replies: 2
    • Views: 392
    04-05-2015, 12:03 PM Go to last post
  6. R22 to R410a evap retrofit

    Started by timjimbob, 04-02-2015 07:10 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 926
    04-05-2015, 05:39 AM Go to last post
  7. Contactor not pulling in

    Started by VAsteamfitter, 03-31-2015 07:45 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 1,423
    04-04-2015, 09:27 AM Go to last post
  8. Can this Burnout on RTU be cleaned up ?

    Started by Snapperhead, 01-18-2015 06:12 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,360
    04-03-2015, 09:31 PM Go to last post
  9. determining comressor between r12 and 134a

    Started by mm freezing, 04-01-2015 05:29 AM
    • Replies: 5
    • Views: 413
    04-02-2015, 07:28 PM Go to last post
  10. quoting hvac maintance

    Started by dav214, 03-26-2015 07:57 PM
    • Replies: 10
    • Views: 787
    04-01-2015, 03:23 PM Go to last post
  11. Hall effect

    Started by deerwhistle, 03-31-2015 11:40 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 718
    04-01-2015, 02:30 PM Go to last post
  12. Compressor for beer cooler

    Started by Bram_ltd, 03-30-2015 10:36 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,808
    04-01-2015, 12:45 PM Go to last post
  13. are all water dispenser the same?

    Started by mm freezing, 03-26-2015 08:04 PM
    • Replies: 6
    • Views: 455
    04-01-2015, 09:55 AM Go to last post
  14. Copeland Compressors

    Started by DavidDeBord, 03-29-2015 08:32 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 985
    04-01-2015, 08:20 AM Go to last post
  15. Lg vrf condenser unit

    Started by marter, 03-31-2015 08:31 PM
    • Replies: 2
    • Views: 333
    03-31-2015, 11:55 PM Go to last post
  16. Trane tracker v12

    Started by chuckp294, 03-31-2015 07:46 PM
    • Replies: 0
    • Views: 253
    03-31-2015, 07:46 PM Go to last post
  17. New Receiver & LAC install in existing system, now no subcool

    Started by crab master, 03-21-2015 11:50 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 967
    03-31-2015, 07:42 PM Go to last post
  18. Mini drones,,,When there is know blueprints..

    Started by zartangreen, 03-31-2015 06:50 PM
    • Replies: 9
    • Views: 381
    03-31-2015, 07:36 PM Go to last post
  19. Tran Voyager YCD061 No Heat with new BAS install

    Started by Moegilla, 03-31-2015 10:46 AM
    • Replies: 0
    • Views: 204
    03-31-2015, 10:46 AM Go to last post
  20. Aaon electric heat problems

    Started by will smith, 04-08-2012 04:31 PM
    • Replies: 8
    • Views: 1,755
    03-31-2015, 08:56 AM Go to last post
    • Replies: 11
    • Views: 668
    03-31-2015, 08:04 AM Go to last post
  21. Strange compressor diagnosic

    Started by marter, 03-19-2015 08:00 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,031
    03-31-2015, 12:30 AM Go to last post
  22. Hydrocarbons

    Started by Cool bob, 03-29-2015 12:18 PM
    • Replies: 2
    • Views: 313
    03-29-2015, 03:43 PM Go to last post
  23. Discussion about oil pumping inside a compressor

    Started by patjmc, 03-25-2015 04:19 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,165
    03-29-2015, 11:26 AM Go to last post
  24. Liquid Line Flare Filters

    Started by hands, 03-28-2015 02:21 PM
    • Replies: 10
    • Views: 577
    03-29-2015, 10:54 AM Go to last post
  25. Trane TR-200

    Started by Armament, 03-26-2015 07:00 PM
    • Replies: 12
    • Views: 537
    03-28-2015, 09:37 PM Go to last post
  26. heated door handle?

    Started by snupytcb, 03-28-2015 11:37 AM
    • Replies: 10
    • Views: 499
    03-28-2015, 04:56 PM Go to last post
  27. YORK H1CE150A25C

    Started by Takete, 03-27-2015 04:51 PM
    • Replies: 8
    • Views: 431
    03-28-2015, 04:28 PM Go to last post
  28. Carrier RTU - X on terminal strip

    Started by copperteeth, 03-27-2015 06:41 PM
    • Replies: 4
    • Views: 407
    03-27-2015, 07:44 PM Go to last post
  29. Carrier 50AK 50 Ton Unit

    Started by 1SikLBZ, 03-23-2015 09:55 PM
    • Replies: 7
    • Views: 566
    03-26-2015, 04:18 PM Go to last post
    • Replies: 6
    • Views: 434
    03-26-2015, 03:30 PM Go to last post
  30. Determining factor in relay selecting

    Started by bwd111, 03-24-2015 05:10 PM
    • Replies: 4
    • Views: 443
    03-26-2015, 01:41 PM Go to last post
  31. I Challenge Anyone to . . .

    Started by BBeerme, 03-08-2015 08:47 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,351
    03-25-2015, 09:35 PM Go to last post
  32. Andover i2920

    Started by hvacat, 11-06-2014 12:59 PM
    • Replies: 2
    • Views: 493
    03-25-2015, 08:35 PM Go to last post
  33. Smile Quickly sketch and share HVAC systems

    Started by Frozenlock, 01-07-2015 03:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,503
    03-25-2015, 04:10 PM Go to last post
  34. Drake Chiller

    Started by mstewart40, 03-22-2015 05:14 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,297
    03-25-2015, 05:30 AM Go to last post
  35. ecm blower motor short

    Started by dave sulz, 03-24-2015 05:29 PM
    • Replies: 1
    • Views: 370
    03-24-2015, 05:37 PM Go to last post
  36. pressure test

    Started by joebear, 02-12-2015 06:44 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,466
    03-24-2015, 02:52 PM Go to last post
  37. Micromanaging service manager

    Started by t2, 03-20-2015 06:34 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,536
    03-24-2015, 11:16 AM Go to last post
    • Replies: 18
    • Views: 1,375
    03-23-2015, 05:01 PM Go to last post
  38. Very old airtemp system

    Started by eliteair, 03-19-2015 01:08 PM
    • Replies: 4
    • Views: 444
    03-23-2015, 04:28 PM Go to last post
  39. Liebert System4

    Started by narkom, 03-20-2015 02:52 PM
    • Replies: 7
    • Views: 804
    03-23-2015, 02:44 AM Go to last post
  40. EEPR Valve for discharge temp control

    Started by MarcosHVAC, 03-20-2015 10:06 PM
    • Replies: 3
    • Views: 365
    03-22-2015, 10:41 PM Go to last post
  41. Hussman 3 door freezer

    Started by tootiredtoargue, 03-10-2015 05:04 PM
    • Replies: 10
    • Views: 818
    03-22-2015, 07:10 PM Go to last post
  42. Need help with voyager trane rooftops

    Started by derksquad, 03-18-2015 10:53 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 943
    03-21-2015, 09:54 PM Go to last post
  43. Favorite VFD

    Started by ACFIXR, 04-18-2012 12:34 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 6,646
    03-20-2015, 06:56 PM Go to last post
  44. TCONT802

    Started by jeremyr325, 03-19-2015 08:50 AM
    • Replies: 4
    • Views: 384
    03-20-2015, 10:12 AM Go to last post
    • Replies: 4
    • Views: 407
    03-19-2015, 07:39 AM Go to last post
  45. Belimo to controller change output

    Started by mccann, 02-27-2015 08:46 AM
    • Replies: 8
    • Views: 1,299
    03-19-2015, 02:36 AM Go to last post
  46. 5h126

    Started by Aircon1985, 03-18-2015 07:40 AM
    • Replies: 9
    • Views: 520
    03-18-2015, 11:29 PM Go to last post

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