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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: 6,741
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Trane yhd300

    Started by t2, 04-09-2015 03:56 PM
    • Replies: 0
    • Views: 313
    04-09-2015, 03:56 PM Go to last post
    • Replies: 3
    • Views: 636
    04-09-2015, 12:30 PM Go to last post
  3. hiross chillers info?

    Started by snupytcb, 04-09-2015 10:38 AM
    • Replies: 0
    • Views: 303
    04-09-2015, 10:38 AM Go to last post
    • Replies: 6
    • Views: 600
    04-08-2015, 05:58 PM Go to last post
  4. Condensing Boiler Plants Piping Design & Control

    Started by ChadJmpCo, 04-08-2015 12:21 PM
    boiler, buffers, condensing boilers, cycling, hot water heat, hydronics, variable speed
    • Replies: 1
    • Views: 388
    04-08-2015, 03:32 PM Go to last post
  5. Daikin VRV

    Started by targetman, 04-01-2015 07:40 AM
    • Replies: 4
    • Views: 675
    04-07-2015, 07:12 PM Go to last post
  6. Trane TWA 120 dry charge with reliatel question

    Started by nccurtin, 04-06-2015 06:10 PM
    • Replies: 4
    • Views: 433
    04-06-2015, 07:44 PM Go to last post
  7. 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: 1,024
    04-06-2015, 06:52 PM Go to last post
  8. Barber Coleman XPSI

    Started by WPandH, 03-18-2015 08:57 AM
    • Replies: 2
    • Views: 435
    04-05-2015, 12:03 PM Go to last post
  9. R22 to R410a evap retrofit

    Started by timjimbob, 04-02-2015 07:10 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,111
    04-05-2015, 05:39 AM Go to last post
  10. Contactor not pulling in

    Started by VAsteamfitter, 03-31-2015 07:45 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 1,639
    04-04-2015, 09:27 AM Go to last post
  11. Can this Burnout on RTU be cleaned up ?

    Started by Snapperhead, 01-18-2015 06:12 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,605
    04-03-2015, 09:31 PM Go to last post
  12. determining comressor between r12 and 134a

    Started by mm freezing, 04-01-2015 05:29 AM
    • Replies: 5
    • Views: 460
    04-02-2015, 07:28 PM Go to last post
  13. quoting hvac maintance

    Started by dav214, 03-26-2015 07:57 PM
    • Replies: 10
    • Views: 866
    04-01-2015, 03:23 PM Go to last post
  14. Hall effect

    Started by deerwhistle, 03-31-2015 11:40 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 804
    04-01-2015, 02:30 PM Go to last post
  15. Compressor for beer cooler

    Started by Bram_ltd, 03-30-2015 10:36 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 2,243
    04-01-2015, 12:45 PM Go to last post
  16. are all water dispenser the same?

    Started by mm freezing, 03-26-2015 08:04 PM
    • Replies: 6
    • Views: 537
    04-01-2015, 09:55 AM Go to last post
  17. Copeland Compressors

    Started by DavidDeBord, 03-29-2015 08:32 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,086
    04-01-2015, 08:20 AM Go to last post
  18. Lg vrf condenser unit

    Started by marter, 03-31-2015 08:31 PM
    • Replies: 2
    • Views: 370
    03-31-2015, 11:55 PM Go to last post
  19. Trane tracker v12

    Started by chuckp294, 03-31-2015 07:46 PM
    • Replies: 0
    • Views: 294
    03-31-2015, 07:46 PM Go to last post
  20. 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: 1,080
    03-31-2015, 07:42 PM Go to last post
  21. Mini drones,,,When there is know blueprints..

    Started by zartangreen, 03-31-2015 06:50 PM
    • Replies: 9
    • Views: 444
    03-31-2015, 07:36 PM Go to last post
  22. Tran Voyager YCD061 No Heat with new BAS install

    Started by Moegilla, 03-31-2015 10:46 AM
    • Replies: 0
    • Views: 249
    03-31-2015, 10:46 AM Go to last post
  23. Aaon electric heat problems

    Started by will smith, 04-08-2012 04:31 PM
    • Replies: 8
    • Views: 1,839
    03-31-2015, 08:56 AM Go to last post
  24. Strange compressor diagnosic

    Started by marter, 03-19-2015 08:00 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,152
    03-31-2015, 12:30 AM Go to last post
  25. Hydrocarbons

    Started by Cool bob, 03-29-2015 12:18 PM
    • Replies: 2
    • Views: 359
    03-29-2015, 03:43 PM Go to last post
  26. Discussion about oil pumping inside a compressor

    Started by patjmc, 03-25-2015 04:19 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,343
    03-29-2015, 11:26 AM Go to last post
  27. Liquid Line Flare Filters

    Started by hands, 03-28-2015 02:21 PM
    • Replies: 10
    • Views: 700
    03-29-2015, 10:54 AM Go to last post
  28. Trane TR-200

    Started by Armament, 03-26-2015 07:00 PM
    • Replies: 12
    • Views: 622
    03-28-2015, 09:37 PM Go to last post
  29. heated door handle?

    Started by snupytcb, 03-28-2015 11:37 AM
    • Replies: 10
    • Views: 585
    03-28-2015, 04:56 PM Go to last post
  30. YORK H1CE150A25C

    Started by Takete, 03-27-2015 04:51 PM
    • Replies: 8
    • Views: 511
    03-28-2015, 04:28 PM Go to last post
  31. Carrier RTU - X on terminal strip

    Started by copperteeth, 03-27-2015 06:41 PM
    • Replies: 4
    • Views: 489
    03-27-2015, 07:44 PM Go to last post
  32. Carrier 50AK 50 Ton Unit

    Started by 1SikLBZ, 03-23-2015 09:55 PM
    • Replies: 7
    • Views: 653
    03-26-2015, 04:18 PM Go to last post
    • Replies: 6
    • Views: 465
    03-26-2015, 03:30 PM Go to last post
  33. Determining factor in relay selecting

    Started by bwd111, 03-24-2015 05:10 PM
    • Replies: 4
    • Views: 473
    03-26-2015, 01:41 PM Go to last post
  34. I Challenge Anyone to . . .

    Started by BBeerme, 03-08-2015 08:47 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,616
    03-25-2015, 09:35 PM Go to last post
  35. Andover i2920

    Started by hvacat, 11-06-2014 12:59 PM
    • Replies: 2
    • Views: 549
    03-25-2015, 08:35 PM Go to last post
  36. Smile Quickly sketch and share HVAC systems

    Started by Frozenlock, 01-07-2015 03:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,777
    03-25-2015, 04:10 PM Go to last post
  37. Drake Chiller

    Started by mstewart40, 03-22-2015 05:14 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,513
    03-25-2015, 05:30 AM Go to last post
  38. ecm blower motor short

    Started by dave sulz, 03-24-2015 05:29 PM
    • Replies: 1
    • Views: 413
    03-24-2015, 05:37 PM Go to last post
  39. pressure test

    Started by joebear, 02-12-2015 06:44 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,576
    03-24-2015, 02:52 PM Go to last post
  40. Micromanaging service manager

    Started by t2, 03-20-2015 06:34 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,745
    03-24-2015, 11:16 AM Go to last post
    • Replies: 18
    • Views: 1,514
    03-23-2015, 05:01 PM Go to last post
  41. Very old airtemp system

    Started by eliteair, 03-19-2015 01:08 PM
    • Replies: 4
    • Views: 520
    03-23-2015, 04:28 PM Go to last post
  42. Liebert System4

    Started by narkom, 03-20-2015 02:52 PM
    • Replies: 7
    • Views: 876
    03-23-2015, 02:44 AM Go to last post
  43. EEPR Valve for discharge temp control

    Started by MarcosHVAC, 03-20-2015 10:06 PM
    • Replies: 3
    • Views: 423
    03-22-2015, 10:41 PM Go to last post
  44. Hussman 3 door freezer

    Started by tootiredtoargue, 03-10-2015 05:04 PM
    • Replies: 10
    • Views: 925
    03-22-2015, 07:10 PM Go to last post
  45. Favorite VFD

    Started by ACFIXR, 04-18-2012 12:34 AM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 6,936
    03-20-2015, 06:56 PM Go to last post
  46. TCONT802

    Started by jeremyr325, 03-19-2015 08:50 AM
    • Replies: 4
    • Views: 424
    03-20-2015, 10:12 AM Go to last post

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