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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: 10,648
    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
    18 Pages
    1 2 3 4 5 6 ... 18
    • Replies: 229
    • Views: 4,746
    Today, 11:02 AM Go to last post
  3. How to Calculate Dynamic Pressure of Axial Fan ?

    Started by Rajiv, Yesterday 08:02 AM
    hvac
    • Replies: 6
    • Views: 148
    Today, 09:52 AM Go to last post
  4. Carrier package r22 possible restriction?

    Started by kocodeets, Yesterday 09:05 PM
    • Replies: 8
    • Views: 164
    Today, 06:21 AM Go to last post
  5. Unhappy Oil pump

    Started by vinhihere, 06-22-2017 10:49 PM
    • Replies: 11
    • Views: 367
    Today, 01:04 AM Go to last post
  6. Isolated secondary transformer

    Started by hvac17011, Yesterday 08:01 PM
    • Replies: 4
    • Views: 115
    Yesterday, 10:23 PM Go to last post
  7. The Almighty Tridium Jace!! PxView question

    Started by dhoyt, Yesterday 08:43 PM
    • Replies: 0
    • Views: 76
    Yesterday, 08:43 PM Go to last post
  8. condenser fan blade

    Started by aikenite, 06-24-2017 07:11 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 714
    Yesterday, 12:45 PM Go to last post
  9. Coil Repair

    Started by hands, 06-25-2017 10:00 PM
    • Replies: 6
    • Views: 330
    Yesterday, 10:20 AM Go to last post
  10. Florida Heat Pump electric problem

    Started by uke, 06-25-2017 09:14 PM
    • Replies: 1
    • Views: 205
    Yesterday, 08:20 AM Go to last post
  11. aquarium chiller

    Started by anthonyac1, 06-26-2017 10:14 PM
    • Replies: 1
    • Views: 155
    Yesterday, 07:41 AM Go to last post
  12. New to the engineered air brand anyone familiar

    Started by nolaspop, 06-26-2017 08:59 PM
    • Replies: 2
    • Views: 191
    Yesterday, 05:37 AM Go to last post
  13. Condenser fan motor

    Started by CDune, 06-19-2017 09:41 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 839
    06-26-2017, 04:12 PM Go to last post
  14. Compressor common pipe

    Started by targetman, 06-25-2017 05:01 PM
    • Replies: 9
    • Views: 330
    06-26-2017, 06:51 AM Go to last post
    • Replies: 4
    • Views: 170
    06-25-2017, 09:08 PM Go to last post
  15. 240v vs 220v Single Phase?

    Started by alliedtech12887, 06-24-2017 04:39 PM
    • Replies: 6
    • Views: 312
    06-25-2017, 12:48 PM Go to last post
  16. Static Pressure and Airflow

    Started by budman21901, 06-23-2017 10:38 PM
    • Replies: 6
    • Views: 300
    06-25-2017, 10:05 AM Go to last post
  17. Condenser and Coil Delta T

    Started by Shane Carruth, 06-18-2017 03:21 PM
    • Replies: 9
    • Views: 374
    06-24-2017, 04:00 PM Go to last post
  18. Carrier 50TC-D09A

    Started by tunaguy, 06-16-2017 12:21 AM
    • Replies: 1
    • Views: 220
    06-24-2017, 03:54 AM Go to last post
  19. Carrier 30gxn chiller question

    Started by Km1, 06-22-2017 05:47 PM
    • Replies: 3
    • Views: 208
    06-24-2017, 03:49 AM Go to last post
  20. Charging 404a as vapor

    Started by C4Trousers, 06-22-2017 11:20 PM
    • Replies: 3
    • Views: 259
    06-23-2017, 08:05 AM Go to last post
  21. Who knows York programming

    Started by Snapperhead, 06-21-2017 09:48 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 437
    06-23-2017, 07:04 AM Go to last post
  22. Secondary Pump

    Started by Rajiv, 06-15-2017 01:03 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 702
    06-22-2017, 04:24 PM Go to last post
  23. YMGI troubles

    Started by Rane69, 06-11-2015 06:54 PM
    • Replies: 1
    • Views: 603
    06-22-2017, 12:45 PM Go to last post
  24. YMGI

    Started by Rane69, 07-09-2015 08:37 AM
    • Replies: 3
    • Views: 674
    06-22-2017, 11:53 AM Go to last post
  25. Brazing copper to brass fitting

    Started by C4Trousers, 06-21-2017 12:53 AM
    • Replies: 4
    • Views: 317
    06-21-2017, 07:24 PM Go to last post
  26. york ylaa chiller

    Started by cooling_houston, 06-20-2017 01:09 PM
    • Replies: 5
    • Views: 197
    06-21-2017, 06:04 PM Go to last post
  27. Buffalo Forge Fan - Type BL Size 445 - Fan Curve

    Started by ejs63, 06-21-2017 08:11 AM
    • Replies: 1
    • Views: 117
    06-21-2017, 08:23 AM Go to last post
  28. 15 degree split

    Started by clynch6592, 06-20-2017 12:46 PM
    • Replies: 11
    • Views: 372
    06-20-2017, 10:08 PM Go to last post
  29. Carrier 30RBA

    Started by Kevin1960, 09-23-2016 03:45 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,732
    06-20-2017, 09:03 PM Go to last post
  30. Not working in the field

    Started by farm tech, 06-14-2017 09:06 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 761
    06-20-2017, 08:21 PM Go to last post
  31. 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: 5,462
    06-20-2017, 03:48 PM Go to last post
  32. Best Recovery Machines

    Started by softtail, 01-01-2007 02:00 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 44,176
    06-20-2017, 10:17 AM Go to last post
  33. Lag Leads

    Started by HE>I, 06-20-2017 09:22 AM
    • Replies: 0
    • Views: 164
    06-20-2017, 09:22 AM Go to last post
  34. Sporlan HP Solenoid Valves

    Started by JoeyT, 06-15-2017 07:43 PM
    • Replies: 5
    • Views: 323
    06-20-2017, 09:01 AM Go to last post
  35. Spartan Freezer Not Defrosting

    Started by SJP, 06-19-2017 03:52 PM
    • Replies: 4
    • Views: 172
    06-19-2017, 06:34 PM Go to last post
  36. Lennox prodigy 2.0

    Started by rereese, 06-18-2017 08:38 AM
    • Replies: 7
    • Views: 289
    06-19-2017, 12:14 PM Go to last post
  37. Head pressure control

    Started by Alessi, 06-18-2017 07:32 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 529
    06-19-2017, 12:03 PM Go to last post
  38. 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: 12,643
    06-19-2017, 03:41 AM Go to last post
  39. Can anyone identify this?

    Started by Gunslinger, 06-11-2017 11:39 AM
    • Replies: 9
    • Views: 563
    06-18-2017, 03:17 PM Go to last post
    • Replies: 16
    • Views: 910
    06-18-2017, 03:07 PM Go to last post
  40. Ac unit question?

    Started by drage93, 06-15-2017 12:35 AM
    • Replies: 7
    • Views: 356
    06-16-2017, 08:19 PM Go to last post
  41. 2.5t r410a Heat pump Carrier, split, 250psi suction

    Started by Valvac, 06-16-2017 02:38 PM
    • Replies: 0
    • Views: 151
    06-16-2017, 02:38 PM Go to last post
  42. Trane rooftops mo99 retrofit

    Started by jackpiner, 06-16-2017 08:54 AM
    • Replies: 0
    • Views: 179
    06-16-2017, 08:54 AM Go to last post
  43. Bid training class

    Started by Viepped, 06-15-2017 02:48 PM
    • Replies: 4
    • Views: 254
    06-16-2017, 08:27 AM Go to last post
    • Replies: 6
    • Views: 408
    06-16-2017, 05:19 AM Go to last post
  44. Hmm pnematics

    Started by tom.cunningham, 05-10-2017 03:17 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 976
    06-15-2017, 09:47 PM Go to last post
  45. King Valve Leak and condenser fan

    Started by Rockwell, 06-11-2017 02:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 676
    06-15-2017, 09:36 PM Go to last post
  46. HW Lyric stat loses programming ?

    Started by Poodle Head Mikey, 06-15-2017 03:36 PM
    • Replies: 1
    • Views: 165
    06-15-2017, 03:48 PM Go to last post
  47. IT room equipment load calculations

    Started by Tomjd, 06-10-2017 12:54 PM
    • Replies: 6
    • Views: 335
    06-15-2017, 08:45 AM Go to last post
  48. Anyone ever seen a TXV setup like this?

    Started by probtu, 06-12-2017 11:51 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 736
    06-14-2017, 10:41 PM Go to last post

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