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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: 3,674
    08-10-2011, 04:34 PM Go to last post
  1. York split system

    Started by jmandtc, 06-03-2013 07:55 PM
    • Replies: 3
    • Views: 499
    06-03-2013, 09:25 PM Go to last post
  2. Confused Control Head on Variable Speed pumping systems?

    Started by 500GPMdT, 05-28-2013 02:05 PM
    • Replies: 9
    • Views: 761
    06-03-2013, 04:06 PM Go to last post
  3. fujitsu minisplit install

    Started by atomdude, 06-01-2013 01:08 AM
    • Replies: 6
    • Views: 602
    06-03-2013, 03:51 PM Go to last post
  4. Low pressure problems

    Started by marc5180, 06-01-2013 06:04 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,186
    06-03-2013, 01:50 AM Go to last post
  5. condenser swap-low compression ratio

    Started by B_roche, 06-02-2013 07:02 PM
    • Replies: 3
    • Views: 407
    06-02-2013, 10:49 PM Go to last post
  6. trane freeze up

    Started by joebear, 05-26-2013 10:32 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,532
    06-02-2013, 09:53 PM Go to last post
  7. wiring diagram carrier 50akc035keq611hq

    Started by joebear, 06-02-2013 08:46 AM
    • Replies: 2
    • Views: 220
    06-02-2013, 09:43 AM Go to last post
  8. York ZJ series wiring diagram

    Started by juststartin, 05-31-2013 04:09 PM
    • Replies: 2
    • Views: 497
    05-31-2013, 10:56 PM Go to last post
  9. Retro fit

    Started by Cool bill 13, 05-31-2013 07:28 AM
    • Replies: 1
    • Views: 324
    05-31-2013, 01:04 PM Go to last post
  10. Reliatel replacement ignition module

    Started by wvuboarder, 12-04-2011 10:47 AM
    • Replies: 9
    • Views: 726
    05-31-2013, 10:20 AM Go to last post
  11. York support

    Started by Cool bill 13, 05-29-2013 09:35 AM
    • Replies: 2
    • Views: 357
    05-31-2013, 07:24 AM Go to last post
  12. TRANE Dehumidification unit

    Started by Hook Echo, 05-30-2013 05:57 PM
    • Replies: 2
    • Views: 461
    05-31-2013, 12:21 AM Go to last post
  13. ABB ACH550 drive overcurrent fault

    Started by OhioTech, 03-09-2012 02:20 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,080
    05-30-2013, 10:35 PM Go to last post
  14. Internal Bypass TXV?

    Started by 02JeepKing, 05-30-2013 08:44 PM
    • Replies: 4
    • Views: 582
    05-30-2013, 09:28 PM Go to last post
    • Replies: 6
    • Views: 541
    05-30-2013, 09:25 PM Go to last post
  15. York Centrifugal Chiller Logic Board

    Started by HVAC87, 05-30-2013 12:02 PM
    • Replies: 0
    • Views: 186
    05-30-2013, 12:02 PM Go to last post
    • Replies: 4
    • Views: 645
    05-29-2013, 08:05 PM Go to last post
    • Replies: 1
    • Views: 402
    05-29-2013, 08:04 PM Go to last post
    • Replies: 4
    • Views: 488
    05-29-2013, 05:07 PM Go to last post
  16. cooling electrical enclosures

    Started by werd54, 05-29-2013 11:40 AM
    • Replies: 0
    • Views: 202
    05-29-2013, 11:40 AM Go to last post
  17. Walk in Cooler Termp is Rising

    Started by energydobashi, 05-29-2013 09:30 AM
    • Replies: 2
    • Views: 324
    05-29-2013, 10:10 AM Go to last post
  18. Need P/c board for Trane VARI_TRAC

    Started by dobbin, 05-27-2013 09:19 PM
    • Replies: 8
    • Views: 368
    05-29-2013, 02:29 AM Go to last post
  19. Tracne Tracer Summit

    Started by Mr Happy, 05-28-2013 06:20 PM
    • Replies: 1
    • Views: 262
    05-28-2013, 11:55 PM Go to last post
  20. Trane remote zone sensors

    Started by Hook Echo, 05-10-2013 09:31 PM
    • Replies: 2
    • Views: 904
    05-28-2013, 08:43 PM Go to last post
  21. need help on lennox beast :DMS4 w/ honeywell motors.

    Started by blitz, 05-25-2013 11:22 PM
    • Replies: 5
    • Views: 406
    05-28-2013, 08:42 PM Go to last post
    • Replies: 0
    • Views: 353
    05-28-2013, 05:07 PM Go to last post
  22. WATER PUMP NEEDED

    Started by kaptnkirk, 05-28-2013 04:10 PM
    • Replies: 0
    • Views: 217
    05-28-2013, 04:10 PM Go to last post
  23. DATA AIR

    Started by aikenite, 05-27-2013 05:46 AM
    • Replies: 10
    • Views: 640
    05-27-2013, 11:59 PM Go to last post
    • Replies: 0
    • Views: 296
    05-27-2013, 11:34 PM Go to last post
  24. defuser placement to sprinkler heads

    Started by jshiloh13, 05-23-2013 06:39 PM
    • Replies: 1
    • Views: 243
    05-27-2013, 05:37 PM Go to last post
  25. Ethylene and propylene glycol in water

    Started by Mohammed Nofal, 05-21-2013 01:43 PM
    • Replies: 11
    • Views: 872
    05-27-2013, 12:15 PM Go to last post
  26. Anybody can read Model on This RUDD

    Started by zartangreen, 05-26-2013 10:32 PM
    • Replies: 10
    • Views: 456
    05-27-2013, 10:34 AM Go to last post
  27. Daikin Navigation controller "Indoor Unit Status"

    Started by gschra11, 05-18-2013 03:24 PM
    • Replies: 9
    • Views: 464
    05-26-2013, 10:29 PM Go to last post
  28. Heat & Glo Fireplace HI/LO Issue

    Started by mmalloy, 05-26-2013 08:12 PM
    • Replies: 0
    • Views: 267
    05-26-2013, 08:12 PM Go to last post
  29. How many cores is TOO MUCH???

    Started by Capt Wolf, 05-16-2013 03:53 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,296
    05-25-2013, 09:58 PM Go to last post
  30. MO99 and semi hermetics

    Started by MsiHvac, 05-02-2013 09:25 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,790
    05-25-2013, 09:57 PM Go to last post
  31. Pressure/temperature relationship

    Started by anthonyac1, 05-23-2013 06:46 AM
    • Replies: 9
    • Views: 809
    05-25-2013, 08:59 PM Go to last post
  32. BAC COOLING TOWER

    Started by burto, 05-25-2013 05:43 PM
    • Replies: 0
    • Views: 382
    05-25-2013, 05:43 PM Go to last post
  33. high set points

    Started by aftech, 05-24-2013 12:28 PM
    • Replies: 5
    • Views: 434
    05-25-2013, 08:11 AM Go to last post
  34. Can evap coil lose its ability to absorb heat?

    Started by gourdhead, 05-23-2013 09:06 PM
    • Replies: 7
    • Views: 698
    05-24-2013, 11:52 PM Go to last post
  35. Pre and Final Filter Replacement Setpoints

    Started by lilbent, 05-23-2013 12:52 PM
    • Replies: 3
    • Views: 406
    05-24-2013, 09:08 PM Go to last post
  36. Heat output of a compressor?

    Started by mjhollen, 05-24-2013 11:12 AM
    • Replies: 1
    • Views: 345
    05-24-2013, 06:46 PM Go to last post
  37. compressor black over current box tripping

    Started by raven22, 05-17-2013 07:51 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 69
    • Views: 2,634
    05-24-2013, 06:37 PM Go to last post
  38. Air Handling Unit Failure Theory

    Started by TONYpepperon1, 05-21-2013 09:05 AM
    • Replies: 7
    • Views: 744
    05-24-2013, 09:24 AM Go to last post
  39. Trane Chiller Log

    Started by chillpill, 05-20-2013 10:21 PM
    • Replies: 9
    • Views: 1,056
    05-24-2013, 09:11 AM Go to last post
  40. Copeland Digital Scroll

    Started by ascj, 09-14-2012 07:12 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 4,154
    05-23-2013, 02:27 PM Go to last post
  41. York Service Manual 160.80-M1

    Started by koolaid747, 01-08-2013 08:35 AM
    • Replies: 7
    • Views: 1,282
    05-23-2013, 05:46 AM Go to last post
  42. 502 drop in replacement

    Started by littlebigdad, 05-11-2013 08:44 PM
    • Replies: 6
    • Views: 643
    05-22-2013, 10:13 PM Go to last post
  43. Max chiller barrel fluid pressure drop?

    Started by elvis66, 01-28-2009 11:27 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 4,724
    05-22-2013, 09:31 PM Go to last post
  44. Reach in cooler scratchin mah head

    Started by gixxersixxer87, 05-13-2013 08:07 PM
    • Replies: 3
    • Views: 382
    05-22-2013, 12:57 PM Go to last post

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