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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: 14,221
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Chilled Water Coil Flow

    Started by klo, Today 12:09 AM
    • Replies: 4
    • Views: 72
    Today, 04:53 AM Go to last post
  3. Compressor noise then cutout on temp overload

    Started by solarmonkey, 09-19-2019 08:19 PM
    • Replies: 9
    • Views: 206
    Today, 02:40 AM Go to last post
  4. York Simplisity

    Started by Jaysn300, 09-06-2019 12:10 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 711
    Yesterday, 10:28 PM Go to last post
  5. Pressure switch operation

    Started by Noname81, 09-19-2019 08:01 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 345
    Yesterday, 10:18 PM Go to last post
  6. High Building Humidity

    Started by helgy, Yesterday 09:43 AM
    • Replies: 7
    • Views: 151
    Yesterday, 10:10 PM Go to last post
  7. Commercial Boiler Venting Questions

    Started by boilerductguy, 09-17-2019 12:27 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 326
    Yesterday, 10:07 PM Go to last post
    • Replies: 6
    • Views: 221
    Yesterday, 08:51 AM Go to last post
  8. Danfoss vfd high output voltage

    Started by Bdevries, 09-17-2019 11:39 PM
    • Replies: 6
    • Views: 273
    Yesterday, 06:19 AM Go to last post
  9. I hate phantom voltage

    Started by 2sac, 12-09-2011 12:36 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 3,570
    Yesterday, 04:36 AM Go to last post
    • Replies: 2
    • Views: 165
    09-18-2019, 06:07 PM Go to last post
  10. York RTU heating Ignition control failure during AC, unit locks out??

    Started by tcape, 07-22-2016 03:52 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 67
    • Views: 14,630
    09-18-2019, 11:24 AM Go to last post
  11. Collapsed evaporator tubes - anyone seen this before??

    Started by PAJoel, 09-12-2019 04:53 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 1,767
    09-17-2019, 06:06 PM Go to last post
  12. Isolating a Circuit on a Rack Unit

    Started by Vin Woo, 09-16-2019 05:26 PM
    • Replies: 11
    • Views: 359
    09-16-2019, 10:16 PM Go to last post
  13. Liebert VS low pressure transducer

    Started by iceage, 09-16-2019 02:44 PM
    • Replies: 1
    • Views: 161
    09-16-2019, 10:15 PM Go to last post
  14. Hot Gas Bypass Separate Coil

    Started by Vin Woo, 09-16-2019 09:18 AM
    • Replies: 6
    • Views: 209
    09-16-2019, 05:13 PM Go to last post
  15. choo choo trane ....does this have a shrader

    Started by Snapperhead, 09-13-2019 06:06 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 631
    09-16-2019, 10:53 AM Go to last post
  16. Rheem rooftops

    Started by ohiohvac, 06-26-2016 03:04 PM
    • Replies: 6
    • Views: 1,182
    09-16-2019, 09:39 AM Go to last post
  17. Digital Scroll Compressors

    Started by tanksboard, 07-31-2013 05:01 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 13,378
    09-15-2019, 09:53 PM Go to last post
  18. SSE Control Board Software Download

    Started by flanders, 09-12-2019 05:45 PM
    • Replies: 11
    • Views: 270
    09-15-2019, 11:40 AM Go to last post
  19. Bluetooth headset

    Started by Lddc, 09-14-2019 05:54 PM
    • Replies: 11
    • Views: 370
    09-15-2019, 10:05 AM Go to last post
  20. Carrier 48ZAE 050 -- L series 600cc

    Started by Milk man, 09-12-2019 07:17 AM
    • Replies: 2
    • Views: 269
    09-14-2019, 10:43 PM Go to last post
  21. Thermostat change out

    Started by jperigo, 09-10-2019 12:25 AM
    • Replies: 7
    • Views: 514
    09-14-2019, 12:16 PM Go to last post
  22. Multiple Compressor contractor failures

    Started by Noname81, 09-03-2019 09:50 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 737
    09-13-2019, 11:23 PM Go to last post
  23. Mobile Purge unit

    Started by dmott0123, 09-12-2019 01:50 PM
    • Replies: 4
    • Views: 303
    09-12-2019, 05:24 PM Go to last post
  24. PSC or X13 replacement?

    Started by Gunslinger, 09-10-2019 07:20 PM
    • Replies: 10
    • Views: 486
    09-12-2019, 02:11 PM Go to last post
  25. Columbia CT-35

    Started by Dcoursey86, 08-27-2019 09:06 PM
    • Replies: 10
    • Views: 500
    09-12-2019, 09:15 AM Go to last post
  26. York YPAL Eco 2 Optilogic RTU

    Started by MoontwpChad, 09-09-2019 02:13 PM
    • Replies: 9
    • Views: 370
    09-12-2019, 08:52 AM Go to last post
  27. Unhappy Oil pump

    Started by vinhihere, 06-22-2017 10:49 PM
    • Replies: 9
    • Views: 1,412
    09-11-2019, 10:10 PM Go to last post
  28. Oversized RTU freezing coil

    Started by NMTech, 09-02-2019 11:51 AM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 1,662
    09-11-2019, 09:32 PM Go to last post
  29. Capacitor sizing

    Started by BuildingMech88, 09-10-2019 05:32 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 741
    09-11-2019, 08:18 AM Go to last post
  30. flaring tool option

    Started by nytech28, 08-12-2019 11:32 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,419
    09-10-2019, 11:37 PM Go to last post
  31. Evacuation Question

    Started by Noname81, 09-05-2019 10:47 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,008
    09-10-2019, 09:29 AM Go to last post
  32. Reversing Valve

    Started by BuildingMech88, 09-09-2019 02:45 PM
    • Replies: 2
    • Views: 270
    09-09-2019, 08:10 PM Go to last post
  33. Guess its purpose

    Started by BuildingMech88, 09-04-2019 10:02 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 836
    09-09-2019, 02:35 PM Go to last post
  34. Liebert CRAH password

    Started by burco, 09-09-2019 09:46 AM
    • Replies: 2
    • Views: 240
    09-09-2019, 02:22 PM Go to last post
  35. Best Supermarket Equipment?

    Started by coastalcon, 09-09-2019 08:22 AM
    • Replies: 0
    • Views: 189
    09-09-2019, 08:22 AM Go to last post
  36. First Company

    Started by Tiger93rsl, 09-06-2019 05:02 PM
    • Replies: 4
    • Views: 390
    09-08-2019, 01:02 PM Go to last post
  37. Easy flow 45 Not So easy

    Started by Noname81, 08-29-2019 10:04 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 1,643
    09-06-2019, 10:01 AM Go to last post
  38. Ptac freezing coil

    Started by Clifford21186, 09-04-2019 02:37 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 578
    09-05-2019, 07:16 AM Go to last post
  39. Condensation Pump

    Started by BuildingMech88, 09-03-2019 10:23 PM
    • Replies: 11
    • Views: 421
    09-05-2019, 05:25 AM Go to last post
  40. Honeywell RM7895 relay module troubles

    Started by Waldo3, 09-03-2019 03:42 PM
    • Replies: 7
    • Views: 340
    09-04-2019, 04:02 PM Go to last post
  41. Need a Schematic for a Carrier 1991 model

    Started by dobbin, 08-27-2019 07:22 PM
    • Replies: 2
    • Views: 410
    09-03-2019, 10:38 PM Go to last post
  42. Andover Continuum to StruxureWare

    Started by danagolladay, 09-03-2019 01:56 PM
    • Replies: 3
    • Views: 244
    09-03-2019, 06:46 PM Go to last post
  43. 36k fujitsu lineset run

    Started by nytech28, 09-02-2019 06:22 PM
    • Replies: 5
    • Views: 439
    09-03-2019, 09:26 AM Go to last post
  44. 208/230 nameplate 230/460 motor

    Started by Goldwaves, 08-28-2019 11:28 AM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 1,255
    09-02-2019, 07:43 PM Go to last post
  45. Best Air Filter for Pizza joint

    Started by Snapperhead, 08-30-2019 11:30 AM
    • Replies: 5
    • Views: 465
    09-02-2019, 08:27 AM Go to last post
  46. Best hot gas reheat dehumidification unit available?

    Started by Fitbiker, 08-23-2019 11:06 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,364
    08-31-2019, 03:54 PM Go to last post
  47. Condenser Head Pressure

    Started by BRX, 08-19-2019 11:06 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,368
    08-30-2019, 10:46 PM Go to last post
  48. X13 motor to PSC

    Started by Snapperhead, 08-29-2019 05:32 PM
    • Replies: 11
    • Views: 572
    08-30-2019, 09:15 PM Go to last post
  49. New Three phase Copeland scroll Compressor keep silent

    Started by david170, 08-28-2019 10:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 1,718
    08-30-2019, 12:18 PM Go to last post

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