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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: 10,624
    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: 98
    • Views: 2,195
    Today, 04:01 AM Go to last post
  3. Unhappy Oil pump

    Started by vinhihere, Yesterday 10:49 PM
    • Replies: 4
    • Views: 89
    Today, 12:13 AM Go to last post
  4. Who knows York programming

    Started by Snapperhead, 06-21-2017 09:48 PM
    • Replies: 12
    • Views: 271
    Yesterday, 09:31 PM Go to last post
  5. Carrier 30gxn chiller question

    Started by Km1, Yesterday 05:47 PM
    • Replies: 2
    • Views: 121
    Yesterday, 08:00 PM Go to last post
  6. Condenser fan motor

    Started by CDune, 06-19-2017 09:41 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 613
    Yesterday, 05:24 PM Go to last post
  7. Secondary Pump

    Started by Rajiv, 06-15-2017 01:03 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 613
    Yesterday, 04:24 PM Go to last post
  8. YMGI troubles

    Started by Rane69, 06-11-2015 06:54 PM
    • Replies: 1
    • Views: 571
    Yesterday, 12:45 PM Go to last post
  9. YMGI

    Started by Rane69, 07-09-2015 08:37 AM
    • Replies: 3
    • Views: 651
    Yesterday, 11:53 AM Go to last post
  10. york ylaa chiller

    Started by cooling_houston, 06-20-2017 01:09 PM
    • Replies: 5
    • Views: 163
    06-21-2017, 06:04 PM Go to last post
  11. Buffalo Forge Fan - Type BL Size 445 - Fan Curve

    Started by ejs63, 06-21-2017 08:11 AM
    • Replies: 1
    • Views: 95
    06-21-2017, 08:23 AM Go to last post
  12. 15 degree split

    Started by clynch6592, 06-20-2017 12:46 PM
    • Replies: 11
    • Views: 313
    06-20-2017, 10:08 PM Go to last post
  13. Carrier 30RBA

    Started by Kevin1960, 09-23-2016 03:45 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,673
    06-20-2017, 09:03 PM Go to last post
  14. Not working in the field

    Started by farm tech, 06-14-2017 09:06 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 659
    06-20-2017, 08:21 PM Go to last post
  15. 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: 5,218
    06-20-2017, 03:48 PM Go to last post
  16. Best Recovery Machines

    Started by softtail, 01-01-2007 02:00 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 43,887
    06-20-2017, 10:17 AM Go to last post
  17. Lag Leads

    Started by HE>I, 06-20-2017 09:22 AM
    • Replies: 0
    • Views: 147
    06-20-2017, 09:22 AM Go to last post
  18. Sporlan HP Solenoid Valves

    Started by JoeyT, 06-15-2017 07:43 PM
    • Replies: 5
    • Views: 301
    06-20-2017, 09:01 AM Go to last post
  19. Spartan Freezer Not Defrosting

    Started by SJP, 06-19-2017 03:52 PM
    • Replies: 4
    • Views: 152
    06-19-2017, 06:34 PM Go to last post
  20. Lennox prodigy 2.0

    Started by rereese, 06-18-2017 08:38 AM
    • Replies: 7
    • Views: 257
    06-19-2017, 12:14 PM Go to last post
  21. Head pressure control

    Started by Alessi, 06-18-2017 07:32 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 487
    06-19-2017, 12:03 PM Go to last post
  22. 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: 12,493
    06-19-2017, 03:41 AM Go to last post
  23. Condenser and Coil Delta T

    Started by Shane Carruth, 06-18-2017 03:21 PM
    • Replies: 6
    • Views: 249
    06-18-2017, 06:46 PM Go to last post
  24. Can anyone identify this?

    Started by Gunslinger, 06-11-2017 11:39 AM
    • Replies: 9
    • Views: 536
    06-18-2017, 03:17 PM Go to last post
    • Replies: 16
    • Views: 861
    06-18-2017, 03:07 PM Go to last post
  25. Ac unit question?

    Started by drage93, 06-15-2017 12:35 AM
    • Replies: 7
    • Views: 343
    06-16-2017, 08:19 PM Go to last post
  26. 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
  27. Trane rooftops mo99 retrofit

    Started by jackpiner, 06-16-2017 08:54 AM
    • Replies: 0
    • Views: 157
    06-16-2017, 08:54 AM Go to last post
  28. Bid training class

    Started by Viepped, 06-15-2017 02:48 PM
    • Replies: 4
    • Views: 230
    06-16-2017, 08:27 AM Go to last post
    • Replies: 6
    • Views: 384
    06-16-2017, 05:19 AM Go to last post
  29. Carrier 50TC-D09A

    Started by tunaguy, 06-16-2017 12:21 AM
    • Replies: 0
    • Views: 158
    06-16-2017, 12:21 AM Go to last post
  30. Hmm pnematics

    Started by tom.cunningham, 05-10-2017 03:17 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 927
    06-15-2017, 09:47 PM Go to last post
  31. King Valve Leak and condenser fan

    Started by Rockwell, 06-11-2017 02:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 635
    06-15-2017, 09:36 PM Go to last post
  32. HW Lyric stat loses programming ?

    Started by Poodle Head Mikey, 06-15-2017 03:36 PM
    • Replies: 1
    • Views: 147
    06-15-2017, 03:48 PM Go to last post
  33. IT room equipment load calculations

    Started by Tomjd, 06-10-2017 12:54 PM
    • Replies: 6
    • Views: 316
    06-15-2017, 08:45 AM Go to last post
  34. Anyone ever seen a TXV setup like this?

    Started by probtu, 06-12-2017 11:51 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 687
    06-14-2017, 10:41 PM Go to last post
  35. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 18,017
    06-13-2017, 05:26 PM Go to last post
  36. McQuay AWS290BDP Chiller

    Started by jgab, 06-13-2017 04:44 PM
    • Replies: 0
    • Views: 155
    06-13-2017, 04:44 PM Go to last post
  37. Multiple questions

    Started by Shane Carruth, 06-12-2017 10:51 PM
    • Replies: 2
    • Views: 250
    06-13-2017, 12:17 AM Go to last post
  38. lennox LGC rtus, and their controls

    Started by coolerinfrederick, 06-12-2017 06:01 PM
    • Replies: 2
    • Views: 235
    06-12-2017, 09:37 PM Go to last post
  39. Troubleshooting Trane Package Unit

    Started by ShoTyme42002, 06-11-2017 01:21 PM
    • Replies: 5
    • Views: 356
    06-12-2017, 09:09 PM Go to last post
  40. Hiel two stage cool gas heat roof top

    Started by vargimike, 06-12-2017 01:09 AM
    • Replies: 0
    • Views: 174
    06-12-2017, 01:09 AM Go to last post
  41. Coil Straightening Made Easy

    Started by GenesisRefrig, 06-10-2017 10:49 PM
    • Replies: 2
    • Views: 386
    06-11-2017, 08:57 PM Go to last post
  42. MO99 vs 427A

    Started by EMC mech., 04-06-2013 03:44 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 8,900
    06-11-2017, 03:28 PM Go to last post
  43. HVAC maintenance agreements.

    Started by sgtrivas405, 06-10-2017 03:04 AM
    • Replies: 9
    • Views: 402
    06-11-2017, 09:07 AM Go to last post
  44. UA Star Preparation?

    Started by alliedtech12887, 01-26-2012 07:50 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 8,693
    06-09-2017, 08:35 AM Go to last post
  45. York AC

    Started by BAA, 06-08-2017 09:21 PM
    • Replies: 6
    • Views: 508
    06-09-2017, 08:35 AM Go to last post
  46. Kitchen exhaust hood, more air flow

    Started by Kevin Orye, 06-08-2017 05:15 PM
    • Replies: 5
    • Views: 284
    06-08-2017, 11:56 PM Go to last post
  47. G5 Appion

    Started by jimp, 05-20-2017 10:25 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 2,325
    06-08-2017, 06:59 PM Go to last post
  48. Head Loss Calc Question

    Started by dglenn9000, 06-07-2017 05:09 PM
    • Replies: 10
    • Views: 434
    06-08-2017, 06:56 PM Go to last post
  49. How much ventilation?

    Started by Joab, 06-07-2017 08:38 AM
    • Replies: 11
    • Views: 332
    06-08-2017, 08:52 AM Go to last post

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