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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: 3,838
    08-10-2011, 04:34 PM Go to last post
  1. Confused crazy pressures

    Started by pjoyner, 06-06-2013 11:12 AM
    • Replies: 3
    • Views: 492
    06-06-2013, 08:53 PM Go to last post
    • Replies: 9
    • Views: 776
    06-06-2013, 07:28 PM Go to last post
  2. HVAC refrigerant

    Started by shark58, 05-20-2013 02:48 AM
    • Replies: 8
    • Views: 778
    06-06-2013, 07:16 PM Go to last post
  3. Damper control

    Started by Notasupertech, 05-30-2013 03:19 PM
    • Replies: 6
    • Views: 625
    06-06-2013, 10:16 AM Go to last post
  4. lennox prodigy board

    Started by joebear, 06-05-2013 07:15 PM
    • Replies: 4
    • Views: 344
    06-06-2013, 06:40 AM Go to last post
  5. Trane YCD102 controls sequence troubleshooting

    Started by RivcoJeff, 06-04-2013 06:41 PM
    • Replies: 4
    • Views: 833
    06-05-2013, 11:09 PM Go to last post
  6. Goodman parts

    Started by fr420, 06-04-2013 07:10 PM
    • Replies: 3
    • Views: 418
    06-04-2013, 07:56 PM Go to last post
  7. Carrier Rooftop

    Started by fr420, 05-21-2013 11:14 PM
    • Replies: 11
    • Views: 962
    06-04-2013, 07:44 PM Go to last post
  8. Confused Liebert DS

    Started by daledehart19, 06-03-2013 10:38 PM
    • Replies: 3
    • Views: 530
    06-04-2013, 05:27 PM Go to last post
  9. Truck stocks app

    Started by fridg, 06-02-2013 03:22 AM
    • Replies: 4
    • Views: 482
    06-04-2013, 03:06 AM Go to last post
  10. Convering walk in freezer from HP80 to 404A?

    Started by Mr. Thermo, 06-01-2013 11:00 PM
    • Replies: 2
    • Views: 479
    06-04-2013, 12:44 AM Go to last post
  11. Beacon II Refrigeration Q

    Started by zapatasblood2, 06-01-2013 01:49 PM
    • Replies: 9
    • Views: 673
    06-03-2013, 11:04 PM Go to last post
  12. York split system

    Started by jmandtc, 06-03-2013 07:55 PM
    • Replies: 3
    • Views: 527
    06-03-2013, 09:25 PM Go to last post
  13. Confused Control Head on Variable Speed pumping systems?

    Started by 500GPMdT, 05-28-2013 02:05 PM
    • Replies: 9
    • Views: 814
    06-03-2013, 04:06 PM Go to last post
  14. fujitsu minisplit install

    Started by atomdude, 06-01-2013 01:08 AM
    • Replies: 6
    • Views: 627
    06-03-2013, 03:51 PM Go to last post
  15. Low pressure problems

    Started by marc5180, 06-01-2013 06:04 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,264
    06-03-2013, 01:50 AM Go to last post
  16. condenser swap-low compression ratio

    Started by B_roche, 06-02-2013 07:02 PM
    • Replies: 3
    • Views: 429
    06-02-2013, 10:49 PM Go to last post
  17. trane freeze up

    Started by joebear, 05-26-2013 10:32 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,669
    06-02-2013, 09:53 PM Go to last post
  18. wiring diagram carrier 50akc035keq611hq

    Started by joebear, 06-02-2013 08:46 AM
    • Replies: 2
    • Views: 239
    06-02-2013, 09:43 AM Go to last post
  19. York ZJ series wiring diagram

    Started by juststartin, 05-31-2013 04:09 PM
    • Replies: 2
    • Views: 524
    05-31-2013, 10:56 PM Go to last post
  20. Retro fit

    Started by Cool bill 13, 05-31-2013 07:28 AM
    • Replies: 1
    • Views: 345
    05-31-2013, 01:04 PM Go to last post
  21. Reliatel replacement ignition module

    Started by wvuboarder, 12-04-2011 10:47 AM
    • Replies: 9
    • Views: 742
    05-31-2013, 10:20 AM Go to last post
  22. York support

    Started by Cool bill 13, 05-29-2013 09:35 AM
    • Replies: 2
    • Views: 376
    05-31-2013, 07:24 AM Go to last post
  23. TRANE Dehumidification unit

    Started by Hook Echo, 05-30-2013 05:57 PM
    • Replies: 2
    • Views: 485
    05-31-2013, 12:21 AM Go to last post
  24. ABB ACH550 drive overcurrent fault

    Started by OhioTech, 03-09-2012 02:20 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,204
    05-30-2013, 10:35 PM Go to last post
  25. Internal Bypass TXV?

    Started by 02JeepKing, 05-30-2013 08:44 PM
    • Replies: 4
    • Views: 609
    05-30-2013, 09:28 PM Go to last post
    • Replies: 6
    • Views: 559
    05-30-2013, 09:25 PM Go to last post
  26. York Centrifugal Chiller Logic Board

    Started by HVAC87, 05-30-2013 12:02 PM
    • Replies: 0
    • Views: 199
    05-30-2013, 12:02 PM Go to last post
    • Replies: 4
    • Views: 674
    05-29-2013, 08:05 PM Go to last post
    • Replies: 1
    • Views: 423
    05-29-2013, 08:04 PM Go to last post
    • Replies: 4
    • Views: 525
    05-29-2013, 05:07 PM Go to last post
  27. cooling electrical enclosures

    Started by werd54, 05-29-2013 11:40 AM
    • Replies: 0
    • Views: 211
    05-29-2013, 11:40 AM Go to last post
  28. Walk in Cooler Termp is Rising

    Started by energydobashi, 05-29-2013 09:30 AM
    • Replies: 2
    • Views: 338
    05-29-2013, 10:10 AM Go to last post
  29. Need P/c board for Trane VARI_TRAC

    Started by dobbin, 05-27-2013 09:19 PM
    • Replies: 8
    • Views: 406
    05-29-2013, 02:29 AM Go to last post
  30. Tracne Tracer Summit

    Started by Mr Happy, 05-28-2013 06:20 PM
    • Replies: 1
    • Views: 276
    05-28-2013, 11:55 PM Go to last post
  31. Trane remote zone sensors

    Started by Hook Echo, 05-10-2013 09:31 PM
    • Replies: 2
    • Views: 930
    05-28-2013, 08:43 PM Go to last post
  32. need help on lennox beast :DMS4 w/ honeywell motors.

    Started by blitz, 05-25-2013 11:22 PM
    • Replies: 5
    • Views: 441
    05-28-2013, 08:42 PM Go to last post
    • Replies: 0
    • Views: 368
    05-28-2013, 05:07 PM Go to last post
  33. WATER PUMP NEEDED

    Started by kaptnkirk, 05-28-2013 04:10 PM
    • Replies: 0
    • Views: 226
    05-28-2013, 04:10 PM Go to last post
  34. DATA AIR

    Started by aikenite, 05-27-2013 05:46 AM
    • Replies: 10
    • Views: 682
    05-27-2013, 11:59 PM Go to last post
    • Replies: 0
    • Views: 311
    05-27-2013, 11:34 PM Go to last post
  35. defuser placement to sprinkler heads

    Started by jshiloh13, 05-23-2013 06:39 PM
    • Replies: 1
    • Views: 253
    05-27-2013, 05:37 PM Go to last post
  36. Ethylene and propylene glycol in water

    Started by Mohammed Nofal, 05-21-2013 01:43 PM
    • Replies: 11
    • Views: 927
    05-27-2013, 12:15 PM Go to last post
  37. Anybody can read Model on This RUDD

    Started by zartangreen, 05-26-2013 10:32 PM
    • Replies: 10
    • Views: 504
    05-27-2013, 10:34 AM Go to last post
  38. Daikin Navigation controller "Indoor Unit Status"

    Started by gschra11, 05-18-2013 03:24 PM
    • Replies: 9
    • Views: 500
    05-26-2013, 10:29 PM Go to last post
  39. Heat & Glo Fireplace HI/LO Issue

    Started by mmalloy, 05-26-2013 08:12 PM
    • Replies: 0
    • Views: 276
    05-26-2013, 08:12 PM Go to last post
  40. How many cores is TOO MUCH???

    Started by Capt Wolf, 05-16-2013 03:53 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,402
    05-25-2013, 09:58 PM Go to last post
  41. MO99 and semi hermetics

    Started by MsiHvac, 05-02-2013 09:25 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,853
    05-25-2013, 09:57 PM Go to last post
  42. Pressure/temperature relationship

    Started by anthonyac1, 05-23-2013 06:46 AM
    • Replies: 9
    • Views: 852
    05-25-2013, 08:59 PM Go to last post
  43. BAC COOLING TOWER

    Started by burto, 05-25-2013 05:43 PM
    • Replies: 0
    • Views: 392
    05-25-2013, 05:43 PM Go to last post

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