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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: 10,628
    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
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 101
    • Views: 2,306
    Today, 10:37 AM Go to last post
  3. Charging 404a as vapor

    Started by C4Trousers, Yesterday 11:20 PM
    • Replies: 3
    • Views: 148
    Today, 08:05 AM Go to last post
  4. Who knows York programming

    Started by Snapperhead, 06-21-2017 09:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 316
    Today, 07:04 AM Go to last post
  5. Unhappy Oil pump

    Started by vinhihere, Yesterday 10:49 PM
    • Replies: 6
    • Views: 144
    Today, 06:46 AM Go to last post
  6. Carrier 30gxn chiller question

    Started by Km1, Yesterday 05:47 PM
    • Replies: 2
    • Views: 137
    Yesterday, 08:00 PM Go to last post
  7. Condenser fan motor

    Started by CDune, 06-19-2017 09:41 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 630
    Yesterday, 05:24 PM Go to last post
  8. Secondary Pump

    Started by Rajiv, 06-15-2017 01:03 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 623
    Yesterday, 04:24 PM Go to last post
  9. YMGI troubles

    Started by Rane69, 06-11-2015 06:54 PM
    • Replies: 1
    • Views: 579
    Yesterday, 12:45 PM Go to last post
  10. YMGI

    Started by Rane69, 07-09-2015 08:37 AM
    • Replies: 3
    • Views: 655
    Yesterday, 11:53 AM Go to last post
  11. Brazing copper to brass fitting

    Started by C4Trousers, 06-21-2017 12:53 AM
    • Replies: 4
    • Views: 252
    06-21-2017, 07:24 PM Go to last post
  12. york ylaa chiller

    Started by cooling_houston, 06-20-2017 01:09 PM
    • Replies: 5
    • Views: 168
    06-21-2017, 06:04 PM Go to last post
  13. Buffalo Forge Fan - Type BL Size 445 - Fan Curve

    Started by ejs63, 06-21-2017 08:11 AM
    • Replies: 1
    • Views: 98
    06-21-2017, 08:23 AM Go to last post
  14. 15 degree split

    Started by clynch6592, 06-20-2017 12:46 PM
    • Replies: 11
    • Views: 318
    06-20-2017, 10:08 PM Go to last post
  15. Carrier 30RBA

    Started by Kevin1960, 09-23-2016 03:45 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,678
    06-20-2017, 09:03 PM Go to last post
  16. Not working in the field

    Started by farm tech, 06-14-2017 09:06 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 671
    06-20-2017, 08:21 PM Go to last post
  17. 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: 5,253
    06-20-2017, 03:48 PM Go to last post
  18. Best Recovery Machines

    Started by softtail, 01-01-2007 02:00 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 43,907
    06-20-2017, 10:17 AM Go to last post
  19. Lag Leads

    Started by HE>I, 06-20-2017 09:22 AM
    • Replies: 0
    • Views: 148
    06-20-2017, 09:22 AM Go to last post
  20. Sporlan HP Solenoid Valves

    Started by JoeyT, 06-15-2017 07:43 PM
    • Replies: 5
    • Views: 306
    06-20-2017, 09:01 AM Go to last post
  21. Spartan Freezer Not Defrosting

    Started by SJP, 06-19-2017 03:52 PM
    • Replies: 4
    • Views: 154
    06-19-2017, 06:34 PM Go to last post
  22. Lennox prodigy 2.0

    Started by rereese, 06-18-2017 08:38 AM
    • Replies: 7
    • Views: 260
    06-19-2017, 12:14 PM Go to last post
  23. Head pressure control

    Started by Alessi, 06-18-2017 07:32 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 492
    06-19-2017, 12:03 PM Go to last post
  24. 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: 12,511
    06-19-2017, 03:41 AM Go to last post
  25. Condenser and Coil Delta T

    Started by Shane Carruth, 06-18-2017 03:21 PM
    • Replies: 6
    • Views: 250
    06-18-2017, 06:46 PM Go to last post
  26. Can anyone identify this?

    Started by Gunslinger, 06-11-2017 11:39 AM
    • Replies: 9
    • Views: 537
    06-18-2017, 03:17 PM Go to last post
    • Replies: 16
    • Views: 865
    06-18-2017, 03:07 PM Go to last post
  27. Ac unit question?

    Started by drage93, 06-15-2017 12:35 AM
    • Replies: 7
    • Views: 345
    06-16-2017, 08:19 PM Go to last post
  28. 2.5t r410a Heat pump Carrier, split, 250psi suction

    Started by Valvac, 06-16-2017 02:38 PM
    • Replies: 0
    • Views: 142
    06-16-2017, 02:38 PM Go to last post
  29. Trane rooftops mo99 retrofit

    Started by jackpiner, 06-16-2017 08:54 AM
    • Replies: 0
    • Views: 159
    06-16-2017, 08:54 AM Go to last post
  30. Bid training class

    Started by Viepped, 06-15-2017 02:48 PM
    • Replies: 4
    • Views: 234
    06-16-2017, 08:27 AM Go to last post
    • Replies: 6
    • Views: 386
    06-16-2017, 05:19 AM Go to last post
  31. Carrier 50TC-D09A

    Started by tunaguy, 06-16-2017 12:21 AM
    • Replies: 0
    • Views: 161
    06-16-2017, 12:21 AM Go to last post
  32. Hmm pnematics

    Started by tom.cunningham, 05-10-2017 03:17 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 930
    06-15-2017, 09:47 PM Go to last post
  33. King Valve Leak and condenser fan

    Started by Rockwell, 06-11-2017 02:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 638
    06-15-2017, 09:36 PM Go to last post
  34. HW Lyric stat loses programming ?

    Started by Poodle Head Mikey, 06-15-2017 03:36 PM
    • Replies: 1
    • Views: 149
    06-15-2017, 03:48 PM Go to last post
  35. IT room equipment load calculations

    Started by Tomjd, 06-10-2017 12:54 PM
    • Replies: 6
    • Views: 320
    06-15-2017, 08:45 AM Go to last post
  36. Anyone ever seen a TXV setup like this?

    Started by probtu, 06-12-2017 11:51 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 692
    06-14-2017, 10:41 PM Go to last post
  37. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 18,031
    06-13-2017, 05:26 PM Go to last post
  38. McQuay AWS290BDP Chiller

    Started by jgab, 06-13-2017 04:44 PM
    • Replies: 0
    • Views: 158
    06-13-2017, 04:44 PM Go to last post
  39. Multiple questions

    Started by Shane Carruth, 06-12-2017 10:51 PM
    • Replies: 2
    • Views: 251
    06-13-2017, 12:17 AM Go to last post
  40. lennox LGC rtus, and their controls

    Started by coolerinfrederick, 06-12-2017 06:01 PM
    • Replies: 2
    • Views: 237
    06-12-2017, 09:37 PM Go to last post
  41. Troubleshooting Trane Package Unit

    Started by ShoTyme42002, 06-11-2017 01:21 PM
    • Replies: 5
    • Views: 358
    06-12-2017, 09:09 PM Go to last post
  42. Hiel two stage cool gas heat roof top

    Started by vargimike, 06-12-2017 01:09 AM
    • Replies: 0
    • Views: 176
    06-12-2017, 01:09 AM Go to last post
  43. Coil Straightening Made Easy

    Started by GenesisRefrig, 06-10-2017 10:49 PM
    • Replies: 2
    • Views: 388
    06-11-2017, 08:57 PM Go to last post
  44. MO99 vs 427A

    Started by EMC mech., 04-06-2013 03:44 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 8,911
    06-11-2017, 03:28 PM Go to last post
  45. HVAC maintenance agreements.

    Started by sgtrivas405, 06-10-2017 03:04 AM
    • Replies: 9
    • Views: 404
    06-11-2017, 09:07 AM Go to last post
  46. UA Star Preparation?

    Started by alliedtech12887, 01-26-2012 07:50 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 8,697
    06-09-2017, 08:35 AM Go to last post
  47. York AC

    Started by BAA, 06-08-2017 09:21 PM
    • Replies: 6
    • Views: 510
    06-09-2017, 08:35 AM Go to last post
  48. Kitchen exhaust hood, more air flow

    Started by Kevin Orye, 06-08-2017 05:15 PM
    • Replies: 5
    • Views: 286
    06-08-2017, 11:56 PM Go to last post
  49. G5 Appion

    Started by jimp, 05-20-2017 10:25 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 2,332
    06-08-2017, 06:59 PM Go to last post

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