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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: NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 4,200
    08-10-2011, 04:34 PM Go to last post
  1. Deltrol Relay ?

    Started by kroymca, 08-17-2011 04:34 PM
    • Replies: 5
    • Views: 1,861
    08-13-2014, 05:16 AM Go to last post
    • Replies: 23
    • Views: 1,188
    08-12-2014, 11:42 PM Go to last post
  2. What don't I understand!!!

    Started by hvacguy1962, 08-05-2014 07:07 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,253
    08-12-2014, 11:04 PM Go to last post
  3. compressor running, not pumping

    Started by wolfstrike, 08-11-2014 10:21 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,034
    08-12-2014, 10:54 PM Go to last post
  4. Trane CGAM with pumps

    Started by brent, 08-04-2014 09:39 PM
    trane
    • Replies: 1
    • Views: 346
    08-12-2014, 09:35 PM Go to last post
    • Replies: 0
    • Views: 263
    08-11-2014, 12:02 PM Go to last post
  5. Rooftop compressor

    Started by MechaTom, 08-05-2014 07:06 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 2,084
    08-11-2014, 10:46 AM Go to last post
  6. Trane Ro0ftop YSC060A3RHA000, bypass outdoor temp sensor

    Started by jdere, 08-02-2014 11:29 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,037
    08-10-2014, 10:03 PM Go to last post
  7. Fun with explosions and metallurgy

    Started by Dennis.Moore, 08-10-2014 03:03 PM
    • Replies: 4
    • Views: 457
    08-10-2014, 05:45 PM Go to last post
  8. Where did all my air go?

    Started by rider77, 08-08-2014 09:12 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 935
    08-10-2014, 04:54 PM Go to last post
    • Replies: 12
    • Views: 759
    08-10-2014, 04:10 PM Go to last post
  9. ac Contactors in split ac outdoor unit

    Started by kefah, 04-23-2013 04:18 PM
    • Replies: 11
    • Views: 1,583
    08-10-2014, 03:21 PM Go to last post
    • Replies: 4
    • Views: 436
    08-09-2014, 09:35 PM Go to last post
  10. 3 Phase 2 Speed Motor.

    Started by madhat, 08-08-2014 03:22 PM
    • Replies: 11
    • Views: 615
    08-09-2014, 08:01 AM Go to last post
  11. LG VRF 2

    Started by czkidd, 08-06-2014 09:29 PM
    • Replies: 3
    • Views: 327
    08-08-2014, 11:53 PM Go to last post
  12. Confused Florida heat pump water flow or something

    Started by dowhat, 08-08-2014 11:49 PM
    • Replies: 0
    • Views: 259
    08-08-2014, 11:49 PM Go to last post
  13. Condenser HX Surface Area and humidity

    Started by juzerj1, 08-08-2014 11:19 PM
    • Replies: 0
    • Views: 199
    08-08-2014, 11:19 PM Go to last post
  14. carrier 50ek-034-610dd circuit board

    Started by michael26, 08-08-2014 09:54 PM
    • Replies: 1
    • Views: 248
    08-08-2014, 10:16 PM Go to last post
  15. Trane Roof-top...high side too high!

    Started by RomeGuy, 07-30-2014 09:33 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,167
    08-07-2014, 11:41 PM Go to last post
  16. How much leakage requires removal from service.....R-22 WSHP

    Started by Mikeylikesit, 07-21-2014 06:31 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,368
    08-07-2014, 03:19 PM Go to last post
  17. Lennox LGA036 stripped economizer gear

    Started by isleofvanman, 08-04-2014 03:10 PM
    • Replies: 3
    • Views: 331
    08-07-2014, 07:11 AM Go to last post
  18. Trane water source heat pump

    Started by dalton8669, 08-06-2014 11:32 AM
    • Replies: 5
    • Views: 304
    08-06-2014, 07:28 PM Go to last post
  19. 124 units ion a roof in one day , WOW.

    Started by fridg, 08-02-2014 02:52 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,226
    08-06-2014, 07:18 PM Go to last post
  20. TRANE Chiller not loading

    Started by kelvin, 08-06-2014 03:01 PM
    • Replies: 2
    • Views: 317
    08-06-2014, 05:49 PM Go to last post
  21. setting up "dual txv's" how do you suggest doing it...

    Started by hvactech111, 08-03-2014 07:05 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 866
    08-06-2014, 11:17 AM Go to last post
  22. txv frosting on outlet of body...

    Started by hvactech111, 07-30-2014 09:29 PM
    • Replies: 5
    • Views: 524
    08-05-2014, 11:11 PM Go to last post
  23. McQuay Chiller Low Suction

    Started by csmyn, 07-10-2014 09:02 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 772
    08-05-2014, 10:57 PM Go to last post
    • Replies: 2
    • Views: 210
    08-05-2014, 09:21 PM Go to last post
  24. carlysle compressor "leakback"

    Started by rbs angler, 08-03-2014 09:39 AM
    • Replies: 12
    • Views: 768
    08-05-2014, 05:23 PM Go to last post
    • Replies: 5
    • Views: 460
    08-04-2014, 09:44 PM Go to last post
  25. potential relay potential problem

    Started by coldmark, 07-25-2014 07:25 PM
    • Replies: 9
    • Views: 517
    08-04-2014, 06:20 PM Go to last post
  26. Blower Motor Failures

    Started by SinCityKid, 08-02-2014 01:36 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 927
    08-04-2014, 05:23 PM Go to last post
    • Replies: 0
    • Views: 186
    08-04-2014, 04:53 PM Go to last post
  27. Electrical questions

    Started by YatYas, 07-29-2014 09:02 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,035
    08-04-2014, 11:02 AM Go to last post
  28. AAON units RN series

    Started by leonbowen, 10-06-2013 10:54 PM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 5,157
    08-03-2014, 02:40 PM Go to last post
  29. Intentional building overpressurization

    Started by blee66, 07-30-2014 05:24 PM
    • Replies: 10
    • Views: 626
    08-03-2014, 11:09 AM Go to last post
  30. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 7,317
    08-02-2014, 09:11 PM Go to last post
  31. Question Flushing out 25 ton system

    Started by Jim D, 07-31-2014 02:10 PM
    • Replies: 8
    • Views: 486
    08-01-2014, 11:02 PM Go to last post
  32. Some leaks are so big . . .

    Started by BBeerme, 07-30-2014 10:56 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 873
    08-01-2014, 08:41 AM Go to last post
    • Replies: 5
    • Views: 399
    08-01-2014, 08:39 AM Go to last post
  33. Recommendations on ems systems

    Started by clint511, 07-29-2014 11:59 PM
    • Replies: 7
    • Views: 430
    07-31-2014, 09:50 PM Go to last post
  34. YORK YT CHILLER HIGH INSTANTANEOUS CURRENT

    Started by ISD, 08-15-2013 05:46 PM
    • Replies: 2
    • Views: 513
    07-31-2014, 04:55 PM Go to last post
    • Replies: 7
    • Views: 379
    07-31-2014, 07:42 AM Go to last post
  35. Ypal schematics

    Started by cleach, 07-01-2014 07:34 PM
    • Replies: 4
    • Views: 319
    07-30-2014, 09:51 PM Go to last post
  36. airflow ccw bearing replacement

    Started by cascader, 07-30-2014 05:13 PM
    • Replies: 0
    • Views: 180
    07-30-2014, 05:13 PM Go to last post
  37. Johnson Controls

    Started by cowboyblue, 06-21-2014 05:10 PM
    • Replies: 1
    • Views: 463
    07-30-2014, 12:11 PM Go to last post
  38. ashrae 2008 hvac systems ansd equipment

    Started by MICHAEL2588, 07-30-2014 05:50 AM
    • Replies: 1
    • Views: 214
    07-30-2014, 09:24 AM Go to last post
    • Replies: 1
    • Views: 199
    07-30-2014, 09:13 AM Go to last post
  39. DIEL Multi Tap transformer - can't find one!

    Started by Pcc-LeeH, 07-30-2014 06:42 AM
    • Replies: 1
    • Views: 194
    07-30-2014, 09:06 AM Go to last post
  40. Trane air handler model no. Info

    Started by luxx, 07-29-2014 05:58 PM
    • Replies: 1
    • Views: 204
    07-29-2014, 09:42 PM Go to last post

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