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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: 10,635
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Receiver Subcooling (cont.)

    Started by hvacrmedic, 06-16-2017 10:12 PM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 145
    • Views: 2,850
    Today, 11:46 AM Go to last post
  3. condenser fan blade

    Started by aikenite, Today 07:11 AM
    • Replies: 5
    • Views: 111
    Today, 11:29 AM Go to last post
  4. Static Pressure and Airflow

    Started by budman21901, Yesterday 10:38 PM
    • Replies: 3
    • Views: 115
    Today, 09:21 AM Go to last post
  5. Carrier 50TC-D09A

    Started by tunaguy, 06-16-2017 12:21 AM
    • Replies: 1
    • Views: 191
    Today, 03:54 AM Go to last post
  6. Carrier 30gxn chiller question

    Started by Km1, 06-22-2017 05:47 PM
    • Replies: 3
    • Views: 173
    Today, 03:49 AM Go to last post
  7. Unhappy Oil pump

    Started by vinhihere, 06-22-2017 10:49 PM
    • Replies: 7
    • Views: 219
    Yesterday, 09:27 PM Go to last post
  8. Charging 404a as vapor

    Started by C4Trousers, 06-22-2017 11:20 PM
    • Replies: 3
    • Views: 211
    Yesterday, 08:05 AM Go to last post
  9. Who knows York programming

    Started by Snapperhead, 06-21-2017 09:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 368
    Yesterday, 07:04 AM Go to last post
  10. Condenser fan motor

    Started by CDune, 06-19-2017 09:41 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 673
    06-22-2017, 05:24 PM Go to last post
  11. Secondary Pump

    Started by Rajiv, 06-15-2017 01:03 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 638
    06-22-2017, 04:24 PM Go to last post
  12. YMGI troubles

    Started by Rane69, 06-11-2015 06:54 PM
    • Replies: 1
    • Views: 588
    06-22-2017, 12:45 PM Go to last post
  13. YMGI

    Started by Rane69, 07-09-2015 08:37 AM
    • Replies: 3
    • Views: 663
    06-22-2017, 11:53 AM Go to last post
  14. Brazing copper to brass fitting

    Started by C4Trousers, 06-21-2017 12:53 AM
    • Replies: 4
    • Views: 273
    06-21-2017, 07:24 PM Go to last post
  15. york ylaa chiller

    Started by cooling_houston, 06-20-2017 01:09 PM
    • Replies: 5
    • Views: 173
    06-21-2017, 06:04 PM Go to last post
  16. Buffalo Forge Fan - Type BL Size 445 - Fan Curve

    Started by ejs63, 06-21-2017 08:11 AM
    • Replies: 1
    • Views: 103
    06-21-2017, 08:23 AM Go to last post
  17. 15 degree split

    Started by clynch6592, 06-20-2017 12:46 PM
    • Replies: 11
    • Views: 329
    06-20-2017, 10:08 PM Go to last post
  18. Carrier 30RBA

    Started by Kevin1960, 09-23-2016 03:45 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,692
    06-20-2017, 09:03 PM Go to last post
  19. Not working in the field

    Started by farm tech, 06-14-2017 09:06 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 688
    06-20-2017, 08:21 PM Go to last post
  20. Finding a vacuum leak

    Started by jimp, 05-23-2017 08:22 PM
    14 Pages
    1 2 3 4 5 6 ... 14
    • Replies: 178
    • Views: 5,272
    06-20-2017, 03:48 PM Go to last post
  21. Best Recovery Machines

    Started by softtail, 01-01-2007 02:00 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 43,950
    06-20-2017, 10:17 AM Go to last post
  22. Lag Leads

    Started by HE>I, 06-20-2017 09:22 AM
    • Replies: 0
    • Views: 150
    06-20-2017, 09:22 AM Go to last post
  23. Sporlan HP Solenoid Valves

    Started by JoeyT, 06-15-2017 07:43 PM
    • Replies: 5
    • Views: 310
    06-20-2017, 09:01 AM Go to last post
  24. Spartan Freezer Not Defrosting

    Started by SJP, 06-19-2017 03:52 PM
    • Replies: 4
    • Views: 156
    06-19-2017, 06:34 PM Go to last post
  25. Lennox prodigy 2.0

    Started by rereese, 06-18-2017 08:38 AM
    • Replies: 7
    • Views: 267
    06-19-2017, 12:14 PM Go to last post
  26. Head pressure control

    Started by Alessi, 06-18-2017 07:32 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 504
    06-19-2017, 12:03 PM Go to last post
  27. This is why Preventive Maintenance is a waste of money.

    Started by Mike19, 08-21-2014 12:16 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 68
    • Views: 12,538
    06-19-2017, 03:41 AM Go to last post
  28. Condenser and Coil Delta T

    Started by Shane Carruth, 06-18-2017 03:21 PM
    • Replies: 6
    • Views: 257
    06-18-2017, 06:46 PM Go to last post
  29. Can anyone identify this?

    Started by Gunslinger, 06-11-2017 11:39 AM
    • Replies: 9
    • Views: 539
    06-18-2017, 03:17 PM Go to last post
    • Replies: 16
    • Views: 872
    06-18-2017, 03:07 PM Go to last post
  30. Ac unit question?

    Started by drage93, 06-15-2017 12:35 AM
    • Replies: 7
    • Views: 347
    06-16-2017, 08:19 PM Go to last post
  31. 2.5t r410a Heat pump Carrier, split, 250psi suction

    Started by Valvac, 06-16-2017 02:38 PM
    • Replies: 0
    • Views: 146
    06-16-2017, 02:38 PM Go to last post
  32. Trane rooftops mo99 retrofit

    Started by jackpiner, 06-16-2017 08:54 AM
    • Replies: 0
    • Views: 163
    06-16-2017, 08:54 AM Go to last post
  33. Bid training class

    Started by Viepped, 06-15-2017 02:48 PM
    • Replies: 4
    • Views: 237
    06-16-2017, 08:27 AM Go to last post
    • Replies: 6
    • Views: 393
    06-16-2017, 05:19 AM Go to last post
  34. Hmm pnematics

    Started by tom.cunningham, 05-10-2017 03:17 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 940
    06-15-2017, 09:47 PM Go to last post
  35. King Valve Leak and condenser fan

    Started by Rockwell, 06-11-2017 02:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 655
    06-15-2017, 09:36 PM Go to last post
  36. HW Lyric stat loses programming ?

    Started by Poodle Head Mikey, 06-15-2017 03:36 PM
    • Replies: 1
    • Views: 155
    06-15-2017, 03:48 PM Go to last post
  37. IT room equipment load calculations

    Started by Tomjd, 06-10-2017 12:54 PM
    • Replies: 6
    • Views: 325
    06-15-2017, 08:45 AM Go to last post
  38. Anyone ever seen a TXV setup like this?

    Started by probtu, 06-12-2017 11:51 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 709
    06-14-2017, 10:41 PM Go to last post
  39. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 18,038
    06-13-2017, 05:26 PM Go to last post
  40. McQuay AWS290BDP Chiller

    Started by jgab, 06-13-2017 04:44 PM
    • Replies: 0
    • Views: 162
    06-13-2017, 04:44 PM Go to last post
  41. Multiple questions

    Started by Shane Carruth, 06-12-2017 10:51 PM
    • Replies: 2
    • Views: 252
    06-13-2017, 12:17 AM Go to last post
  42. lennox LGC rtus, and their controls

    Started by coolerinfrederick, 06-12-2017 06:01 PM
    • Replies: 2
    • Views: 244
    06-12-2017, 09:37 PM Go to last post
  43. Troubleshooting Trane Package Unit

    Started by ShoTyme42002, 06-11-2017 01:21 PM
    • Replies: 5
    • Views: 364
    06-12-2017, 09:09 PM Go to last post
  44. Hiel two stage cool gas heat roof top

    Started by vargimike, 06-12-2017 01:09 AM
    • Replies: 0
    • Views: 177
    06-12-2017, 01:09 AM Go to last post
  45. Coil Straightening Made Easy

    Started by GenesisRefrig, 06-10-2017 10:49 PM
    • Replies: 2
    • Views: 393
    06-11-2017, 08:57 PM Go to last post
  46. MO99 vs 427A

    Started by EMC mech., 04-06-2013 03:44 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 8,954
    06-11-2017, 03:28 PM Go to last post
  47. HVAC maintenance agreements.

    Started by sgtrivas405, 06-10-2017 03:04 AM
    • Replies: 9
    • Views: 412
    06-11-2017, 09:07 AM Go to last post
  48. UA Star Preparation?

    Started by alliedtech12887, 01-26-2012 07:50 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 8,709
    06-09-2017, 08:35 AM Go to last post
  49. York AC

    Started by BAA, 06-08-2017 09:21 PM
    • Replies: 6
    • Views: 512
    06-09-2017, 08:35 AM Go to last post

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