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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: 11,127
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Cooling Towers or VFD??

    Started by mcuriel1, 03-01-2016 11:57 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 3,525
    Yesterday, 02:40 PM Go to last post
  3. Weathermaker heat pump and motormaster

    Started by so.cal.a/c, 10-17-2017 05:17 PM
    • Replies: 4
    • Views: 196
    10-18-2017, 07:54 AM Go to last post
  4. H10

    Started by jimp, 10-13-2017 05:15 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 1,261
    10-17-2017, 09:49 PM Go to last post
  5. Do they still make this.

    Started by timjimbob, 10-17-2017 09:34 AM
    • Replies: 0
    • Views: 196
    10-17-2017, 09:34 AM Go to last post
  6. r22 replacement options

    Started by graham254, 10-02-2017 03:58 PM
    • Replies: 8
    • Views: 526
    10-16-2017, 08:30 PM Go to last post
  7. ClimateMaster WSHP

    Started by browningwgm, 10-14-2017 04:08 PM
    • Replies: 4
    • Views: 198
    10-14-2017, 09:00 PM Go to last post
    • Replies: 7
    • Views: 441
    10-13-2017, 09:18 PM Go to last post
  8. Condensing units installed "inside"

    Started by nfeeney, 10-11-2017 02:39 PM
    • Replies: 10
    • Views: 498
    10-13-2017, 05:34 PM Go to last post
  9. Danfoss compressor leak

    Started by Wallywimple, 10-10-2017 12:04 PM
    • Replies: 10
    • Views: 429
    10-13-2017, 04:00 PM Go to last post
  10. Copeland Scroll Charging (R22)

    Started by Callum, 10-12-2017 05:44 AM
    • Replies: 12
    • Views: 363
    10-13-2017, 12:36 PM Go to last post
  11. Issues with Trane rooftop turbulators

    Started by hvac1975, 12-15-2015 11:13 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,646
    10-13-2017, 07:45 AM Go to last post
  12. They mixed up the valves on me

    Started by BBeerme, 10-12-2017 01:38 PM
    • Replies: 10
    • Views: 374
    10-12-2017, 09:05 PM Go to last post
    • Replies: 0
    • Views: 121
    10-12-2017, 01:24 PM Go to last post
  13. appion g5 twin recovery machine

    Started by tyler.helton, 07-26-2017 12:50 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,210
    10-12-2017, 12:52 PM Go to last post
  14. Alarm Code list Carrier 30RAN022

    Started by jimp, 10-11-2017 05:58 PM
    • Replies: 3
    • Views: 169
    10-11-2017, 07:06 PM Go to last post
  15. Question Refrigeration Activation Device

    Started by builderpro, 09-29-2017 12:19 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,160
    10-11-2017, 06:56 PM Go to last post
  16. Trane 2A516 recip losing oil pressure

    Started by newyorkjets, 10-09-2017 04:38 PM
    • Replies: 12
    • Views: 364
    10-11-2017, 06:06 PM Go to last post
  17. Daiken Mini Split issue

    Started by drage93, 09-24-2017 06:25 PM
    • Replies: 10
    • Views: 573
    10-11-2017, 03:04 PM Go to last post
  18. Liquid Cooled AC Questions

    Started by USCGHVAC, 10-03-2017 01:04 PM
    • Replies: 7
    • Views: 518
    10-11-2017, 08:56 AM Go to last post
  19. semi hermetic leaks

    Started by chr358, 10-09-2017 11:48 AM
    • Replies: 5
    • Views: 361
    10-11-2017, 07:29 AM Go to last post
  20. Best additive injector for 410a system

    Started by Konstantin, 10-04-2017 09:40 PM
    • Replies: 6
    • Views: 360
    10-10-2017, 07:20 PM Go to last post
  21. Jbj chiller please help

    Started by HC1, 10-06-2017 10:31 AM
    • Replies: 2
    • Views: 256
    10-08-2017, 12:46 PM Go to last post
    • Replies: 8
    • Views: 451
    10-07-2017, 07:06 PM Go to last post
  22. nitrogen pressure vs temp

    Started by ckartson, 06-11-2013 06:26 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 3,923
    10-07-2017, 03:44 PM Go to last post
  23. which freon is best for r22 replacment 407C or Mo99

    Started by nytech28, 08-07-2017 09:27 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,665
    10-07-2017, 12:11 AM Go to last post
    • Replies: 4
    • Views: 298
    10-06-2017, 11:57 PM Go to last post
  24. Water source heat pump low suction pressure

    Started by Sk00kum, 09-29-2017 09:12 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 598
    10-06-2017, 01:27 PM Go to last post
    • Replies: 11
    • Views: 374
    10-06-2017, 10:58 AM Go to last post
  25. Condensate

    Started by Curfaki, 10-03-2017 05:21 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 595
    10-06-2017, 06:13 AM Go to last post
  26. Nitrogen high pressure leak testing

    Started by Tomjd, 09-18-2017 05:55 PM
    4 Pages
    1 2 3 4
    • Replies: 43
    • Views: 1,727
    10-05-2017, 08:38 PM Go to last post
  27. Confused Commercial York Package Unit- Please Help

    Started by jocalo, 10-03-2017 02:18 PM
    • Replies: 8
    • Views: 395
    10-05-2017, 03:14 PM Go to last post
  28. Some info on commercial thermostat.

    Started by Airczech, 10-05-2017 11:42 AM
    • Replies: 0
    • Views: 211
    10-05-2017, 11:42 AM Go to last post
  29. Peco commercial thermostat little help please?

    Started by Airczech, 10-02-2017 09:04 AM
    • Replies: 4
    • Views: 259
    10-05-2017, 11:15 AM Go to last post
  30. Thermolec duct heater

    Started by tday99, 09-28-2017 12:33 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 510
    10-05-2017, 07:35 AM Go to last post
  31. Honeywell/Lennox ignition control Board 1097-83-503A

    Started by Armament, 09-06-2017 07:53 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 684
    10-04-2017, 09:03 PM Go to last post
  32. Quick way to Test Refrigerant?

    Started by Shard, 10-02-2017 11:46 PM
    • Replies: 12
    • Views: 477
    10-04-2017, 08:23 PM Go to last post
  33. Trane VFD overcurrent alarm 13 issue

    Started by malaydave69, 04-10-2013 02:36 PM
    • Replies: 10
    • Views: 5,431
    10-02-2017, 09:27 PM Go to last post
    • Replies: 54
    • Views: 2,678
    10-02-2017, 12:04 PM Go to last post
  34. Confused Lennox mini split comm issue

    Started by CoolRod, 09-26-2017 04:26 PM
    • Replies: 11
    • Views: 407
    10-02-2017, 08:40 AM Go to last post
  35. DOT recovery cyclinders

    Started by nytech28, 09-30-2017 06:13 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 686
    10-02-2017, 07:19 AM Go to last post
  36. Any thoughts on the pieces of plastic in orifice

    Started by Sipperman, 09-28-2017 02:48 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 491
    10-01-2017, 01:11 PM Go to last post
  37. Might be buying a chevy expresss2500

    Started by pitbull14218, 09-30-2017 01:39 PM
    • Replies: 3
    • Views: 273
    09-30-2017, 08:54 PM Go to last post
  38. Setting up PM agreements?

    Started by pitbull14218, 09-30-2017 01:41 PM
    • Replies: 0
    • Views: 228
    09-30-2017, 01:41 PM Go to last post
  39. AC unit beside metal shredder

    Started by Chiz_Man, 09-26-2017 07:22 PM
    • Replies: 9
    • Views: 439
    09-29-2017, 08:58 PM Go to last post
  40. 45000 SQ feet need to be cooled

    Started by preacherman56, 09-18-2017 12:12 PM
    • Replies: 10
    • Views: 504
    09-29-2017, 08:50 AM Go to last post
  41. Trane wireless zone sensor

    Started by Shreadhead, 09-29-2017 12:44 AM
    • Replies: 1
    • Views: 200
    09-29-2017, 05:43 AM Go to last post
    • Replies: 4
    • Views: 270
    09-28-2017, 09:04 PM Go to last post
  42. Difference between 2-pos and 3-pos actuators?

    Started by federernadal, 09-26-2017 12:50 PM
    • Replies: 3
    • Views: 297
    09-28-2017, 12:56 PM Go to last post
  43. has any one used weather flow windmeter ?

    Started by nytech28, 09-27-2017 03:47 PM
    • Replies: 2
    • Views: 258
    09-27-2017, 11:02 PM Go to last post
  44. Still struggling

    Started by farm tech, 09-26-2017 08:21 PM
    • Replies: 11
    • Views: 517
    09-27-2017, 11:00 PM Go to last post

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