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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: 10,262
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Green oil?

    Started by Shreadhead, 04-26-2016 02:44 PM
    • Replies: 9
    • Views: 1,095
    04-27-2016, 07:27 AM Go to last post
  3. The Double Flare

    Started by BBeerme, 04-21-2016 09:22 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 72
    • Views: 6,745
    04-26-2016, 08:14 PM Go to last post
  4. Replacing ECM in a Rheem Rooftop Package

    Started by vhdblood, 04-23-2016 12:04 AM
    • Replies: 9
    • Views: 1,026
    04-25-2016, 10:54 PM Go to last post
  5. Dirty/corroded ahu coil. suggestions?

    Started by Incoldwetrust, 04-23-2016 12:13 AM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 2,020
    04-25-2016, 12:51 AM Go to last post
  6. Red face trane txv conversion kit for 15 ton rtu

    Started by luxx, 04-20-2016 11:22 PM
    • Replies: 3
    • Views: 655
    04-24-2016, 12:14 PM Go to last post
  7. Who is the bigger fool

    Started by DaveCAX, 04-23-2016 03:44 PM
    • Replies: 4
    • Views: 774
    04-23-2016, 10:50 PM Go to last post
  8. Flares, wtf

    Started by marter, 04-21-2016 06:42 PM
    • Replies: 11
    • Views: 1,155
    04-23-2016, 10:58 AM Go to last post
  9. Defrost time clock

    Started by JWB, 04-14-2016 09:51 PM
    • Replies: 12
    • Views: 1,534
    04-23-2016, 04:28 AM Go to last post
    • Replies: 2
    • Views: 576
    04-22-2016, 10:43 PM Go to last post
  10. Sight glass nightmare

    Started by DDCSD, 04-18-2016 12:49 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 3,022
    04-22-2016, 10:38 AM Go to last post
  11. Lennox tstat with remote sensor trouble

    Started by Sjn, 04-08-2016 05:48 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,858
    04-21-2016, 08:01 PM Go to last post
  12. York rooftop economizer question

    Started by MoBrewing, 04-20-2016 04:30 PM
    • Replies: 5
    • Views: 951
    04-21-2016, 03:40 PM Go to last post
  13. Cool Condensation in Ground Floor

    Started by Velsamy Gopal, 04-20-2016 06:42 AM
    • Replies: 3
    • Views: 427
    04-20-2016, 07:21 PM Go to last post
  14. Carrier parker zoning

    Started by gravity, 04-19-2016 07:30 PM
    • Replies: 4
    • Views: 483
    04-20-2016, 06:37 PM Go to last post
  15. REFLOK FITTINGS

    Started by Weston430, 01-17-2015 10:11 PM
    • Replies: 8
    • Views: 3,585
    04-20-2016, 12:05 PM Go to last post
    • Replies: 0
    • Views: 286
    04-20-2016, 10:28 AM Go to last post
  16. Price system help

    Started by lil' randy, 04-14-2016 12:26 PM
    • Replies: 4
    • Views: 749
    04-19-2016, 11:24 PM Go to last post
  17. Strange heating piping.

    Started by madhat, 04-18-2016 10:30 PM
    • Replies: 5
    • Views: 886
    04-19-2016, 07:09 PM Go to last post
  18. Fan Curve Help

    Started by DDCSD, 04-18-2016 01:11 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,276
    04-19-2016, 10:42 AM Go to last post
    • Replies: 6
    • Views: 644
    04-18-2016, 07:27 PM Go to last post
    • Replies: 2
    • Views: 445
    04-17-2016, 09:01 PM Go to last post
  19. Need to get to pro level

    Started by badfeet, 04-11-2016 09:08 PM
    • Replies: 10
    • Views: 1,189
    04-17-2016, 05:14 PM Go to last post
  20. Contactor holds in contacts after pushed manually

    Started by badfeet, 04-12-2016 06:21 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 3,443
    04-16-2016, 06:58 PM Go to last post
  21. 3 Ton Coleman resi AC with 120' lineset

    Started by AYservicetech, 04-15-2016 03:00 PM
    • Replies: 3
    • Views: 685
    04-15-2016, 08:24 PM Go to last post
  22. Vibe testing

    Started by jman2794, 02-17-2016 11:37 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 2,595
    04-14-2016, 08:15 PM Go to last post
  23. Problem with VAV

    Started by Martin100181, 02-02-2015 11:52 AM
    • Replies: 7
    • Views: 1,593
    04-14-2016, 02:17 PM Go to last post
  24. Circuit Setter with modulating control valve

    Started by DDCSD, 04-11-2016 09:08 AM
    • Replies: 7
    • Views: 1,063
    04-14-2016, 10:01 AM Go to last post
  25. Semi Hermetic Compressor Rebuild

    Started by JoeyT, 04-02-2016 09:12 PM
    5 Pages
    1 2 3 4 5
    • Replies: 61
    • Views: 5,016
    04-14-2016, 01:09 AM Go to last post
  26. FURNACE BACKFLASH

    Started by epacertified, 04-09-2016 04:55 PM
    • Replies: 4
    • Views: 683
    04-13-2016, 11:09 PM Go to last post
  27. One man vs two man jobs

    Started by ZeroCool, 03-21-2016 08:56 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 3,965
    04-12-2016, 05:19 PM Go to last post
  28. Daiken brc1e72 controllers

    Started by Jason Sossamon, 04-12-2016 10:53 AM
    • Replies: 0
    • Views: 306
    04-12-2016, 10:53 AM Go to last post
  29. Wye Delta screws

    Started by jman2794, 04-09-2016 10:03 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,452
    04-12-2016, 05:24 AM Go to last post
  30. Question Q : Trane Package Unit Test Mode

    Started by jaych, 01-12-2016 06:46 PM
    • Replies: 10
    • Views: 1,372
    04-11-2016, 09:45 PM Go to last post
    • Replies: 15
    • Views: 2,307
    04-10-2016, 01:55 PM Go to last post
  31. Question Chiller Selection (Screw Vs Centrifugal)

    Started by rashid, 03-31-2016 08:26 AM
    • Replies: 8
    • Views: 1,356
    04-09-2016, 11:27 AM Go to last post
  32. Broken Pump Motor Foot

    Started by DDCSD, 04-06-2016 10:21 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,302
    04-07-2016, 10:26 PM Go to last post
  33. KKT and Kyoto Cooling Parts?

    Started by danfoss2024, 04-07-2016 08:36 PM
    • Replies: 0
    • Views: 298
    04-07-2016, 08:36 PM Go to last post
  34. Honeywell R4795

    Started by Red Man, 04-05-2016 11:42 PM
    • Replies: 6
    • Views: 769
    04-07-2016, 04:21 AM Go to last post
  35. NEBB Tab Technician

    Started by BDervishian, 05-01-2012 04:43 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,660
    04-06-2016, 08:22 PM Go to last post
  36. Will this need a fan cycle of some sort

    Started by Snapperhead, 04-03-2016 09:33 PM
    • Replies: 9
    • Views: 1,074
    04-05-2016, 10:53 PM Go to last post
  37. Hmm Lennox L series rooftop unit...

    Started by T plumb, 03-23-2016 07:15 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 2,751
    04-05-2016, 09:55 PM Go to last post
  38. Removing Reversing Valve

    Started by BBeerme, 07-13-2015 08:09 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 6,554
    04-05-2016, 01:20 PM Go to last post
  39. 10 TON TRANE PRECEDENT

    Started by VTP99, 11-15-2015 12:27 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,822
    04-05-2016, 12:19 PM Go to last post
  40. Is suction line too big

    Started by Snapperhead, 04-03-2016 08:14 AM
    • Replies: 3
    • Views: 628
    04-04-2016, 11:00 PM Go to last post
  41. Trane CO2 Sensor Fault

    Started by Elizeze, 04-04-2016 09:10 PM
    • Replies: 1
    • Views: 480
    04-04-2016, 09:43 PM Go to last post
  42. york manual forycuz330

    Started by chillerout1, 04-04-2016 07:27 PM
    • Replies: 0
    • Views: 350
    04-04-2016, 07:27 PM Go to last post
  43. Lennox EC1003-10-4

    Started by Everlong, 04-03-2016 11:10 AM
    • Replies: 7
    • Views: 832
    04-03-2016, 05:29 PM Go to last post
  44. r- 22 replacement

    Started by tiger services, 03-08-2016 06:29 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,210
    04-03-2016, 03:04 PM Go to last post
  45. Frown long line sets from condensors on the roof

    Started by luxx, 03-16-2016 01:15 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,354
    04-03-2016, 11:52 AM Go to last post
  46. Installing filter drier in water source heat pump

    Started by ammoniadog, 03-25-2016 08:22 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 3,461
    04-02-2016, 10:09 AM Go to last post

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