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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: 11,121
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. r22 replacement options

    Started by graham254, 10-02-2017 03:58 PM
    • Replies: 8
    • Views: 457
    Yesterday, 08:30 PM Go to last post
  3. H10

    Started by jimp, 10-13-2017 05:15 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 973
    Yesterday, 06:48 PM Go to last post
  4. ClimateMaster WSHP

    Started by browningwgm, 10-14-2017 04:08 PM
    • Replies: 4
    • Views: 176
    10-14-2017, 09:00 PM Go to last post
    • Replies: 7
    • Views: 420
    10-13-2017, 09:18 PM Go to last post
  5. Condensing units installed "inside"

    Started by nfeeney, 10-11-2017 02:39 PM
    • Replies: 10
    • Views: 456
    10-13-2017, 05:34 PM Go to last post
  6. Danfoss compressor leak

    Started by Wallywimple, 10-10-2017 12:04 PM
    • Replies: 10
    • Views: 398
    10-13-2017, 04:00 PM Go to last post
  7. Copeland Scroll Charging (R22)

    Started by Callum, 10-12-2017 05:44 AM
    • Replies: 12
    • Views: 345
    10-13-2017, 12:36 PM Go to last post
  8. Issues with Trane rooftop turbulators

    Started by hvac1975, 12-15-2015 11:13 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,602
    10-13-2017, 07:45 AM Go to last post
  9. They mixed up the valves on me

    Started by BBeerme, 10-12-2017 01:38 PM
    • Replies: 10
    • Views: 351
    10-12-2017, 09:05 PM Go to last post
    • Replies: 0
    • Views: 110
    10-12-2017, 01:24 PM Go to last post
  10. appion g5 twin recovery machine

    Started by tyler.helton, 07-26-2017 12:50 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,189
    10-12-2017, 12:52 PM Go to last post
  11. Alarm Code list Carrier 30RAN022

    Started by jimp, 10-11-2017 05:58 PM
    • Replies: 3
    • Views: 159
    10-11-2017, 07:06 PM Go to last post
  12. Question Refrigeration Activation Device

    Started by builderpro, 09-29-2017 12:19 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,131
    10-11-2017, 06:56 PM Go to last post
  13. Trane 2A516 recip losing oil pressure

    Started by newyorkjets, 10-09-2017 04:38 PM
    • Replies: 12
    • Views: 346
    10-11-2017, 06:06 PM Go to last post
  14. Daiken Mini Split issue

    Started by drage93, 09-24-2017 06:25 PM
    • Replies: 10
    • Views: 558
    10-11-2017, 03:04 PM Go to last post
  15. Liquid Cooled AC Questions

    Started by USCGHVAC, 10-03-2017 01:04 PM
    • Replies: 7
    • Views: 490
    10-11-2017, 08:56 AM Go to last post
  16. semi hermetic leaks

    Started by chr358, 10-09-2017 11:48 AM
    • Replies: 5
    • Views: 344
    10-11-2017, 07:29 AM Go to last post
  17. Best additive injector for 410a system

    Started by Konstantin, 10-04-2017 09:40 PM
    • Replies: 6
    • Views: 347
    10-10-2017, 07:20 PM Go to last post
  18. Jbj chiller please help

    Started by HC1, 10-06-2017 10:31 AM
    • Replies: 2
    • Views: 249
    10-08-2017, 12:46 PM Go to last post
    • Replies: 8
    • Views: 436
    10-07-2017, 07:06 PM Go to last post
  19. nitrogen pressure vs temp

    Started by ckartson, 06-11-2013 06:26 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 3,892
    10-07-2017, 03:44 PM Go to last post
  20. 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: 1,621
    10-07-2017, 12:11 AM Go to last post
    • Replies: 4
    • Views: 287
    10-06-2017, 11:57 PM Go to last post
  21. Water source heat pump low suction pressure

    Started by Sk00kum, 09-29-2017 09:12 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 588
    10-06-2017, 01:27 PM Go to last post
    • Replies: 11
    • Views: 360
    10-06-2017, 10:58 AM Go to last post
  22. Condensate

    Started by Curfaki, 10-03-2017 05:21 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 584
    10-06-2017, 06:13 AM Go to last post
  23. Nitrogen high pressure leak testing

    Started by Tomjd, 09-18-2017 05:55 PM
    4 Pages
    1 2 3 4
    • Replies: 43
    • Views: 1,696
    10-05-2017, 08:38 PM Go to last post
  24. Confused Commercial York Package Unit- Please Help

    Started by jocalo, 10-03-2017 02:18 PM
    • Replies: 8
    • Views: 381
    10-05-2017, 03:14 PM Go to last post
  25. Some info on commercial thermostat.

    Started by Airczech, 10-05-2017 11:42 AM
    • Replies: 0
    • Views: 205
    10-05-2017, 11:42 AM Go to last post
  26. Peco commercial thermostat little help please?

    Started by Airczech, 10-02-2017 09:04 AM
    • Replies: 4
    • Views: 250
    10-05-2017, 11:15 AM Go to last post
  27. Thermolec duct heater

    Started by tday99, 09-28-2017 12:33 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 498
    10-05-2017, 07:35 AM Go to last post
  28. Honeywell/Lennox ignition control Board 1097-83-503A

    Started by Armament, 09-06-2017 07:53 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 670
    10-04-2017, 09:03 PM Go to last post
  29. Quick way to Test Refrigerant?

    Started by Shard, 10-02-2017 11:46 PM
    • Replies: 12
    • Views: 466
    10-04-2017, 08:23 PM Go to last post
  30. Trane VFD overcurrent alarm 13 issue

    Started by malaydave69, 04-10-2013 02:36 PM
    • Replies: 10
    • Views: 5,385
    10-02-2017, 09:27 PM Go to last post
    • Replies: 54
    • Views: 2,656
    10-02-2017, 12:04 PM Go to last post
  31. Confused Lennox mini split comm issue

    Started by CoolRod, 09-26-2017 04:26 PM
    • Replies: 11
    • Views: 394
    10-02-2017, 08:40 AM Go to last post
  32. DOT recovery cyclinders

    Started by nytech28, 09-30-2017 06:13 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 673
    10-02-2017, 07:19 AM Go to last post
  33. 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: 479
    10-01-2017, 01:11 PM Go to last post
  34. Might be buying a chevy expresss2500

    Started by pitbull14218, 09-30-2017 01:39 PM
    • Replies: 3
    • Views: 266
    09-30-2017, 08:54 PM Go to last post
  35. Setting up PM agreements?

    Started by pitbull14218, 09-30-2017 01:41 PM
    • Replies: 0
    • Views: 222
    09-30-2017, 01:41 PM Go to last post
  36. AC unit beside metal shredder

    Started by Chiz_Man, 09-26-2017 07:22 PM
    • Replies: 9
    • Views: 428
    09-29-2017, 08:58 PM Go to last post
  37. 45000 SQ feet need to be cooled

    Started by preacherman56, 09-18-2017 12:12 PM
    • Replies: 10
    • Views: 486
    09-29-2017, 08:50 AM Go to last post
  38. Trane wireless zone sensor

    Started by Shreadhead, 09-29-2017 12:44 AM
    • Replies: 1
    • Views: 192
    09-29-2017, 05:43 AM Go to last post
    • Replies: 4
    • Views: 263
    09-28-2017, 09:04 PM Go to last post
  39. Difference between 2-pos and 3-pos actuators?

    Started by federernadal, 09-26-2017 12:50 PM
    • Replies: 3
    • Views: 290
    09-28-2017, 12:56 PM Go to last post
  40. has any one used weather flow windmeter ?

    Started by nytech28, 09-27-2017 03:47 PM
    • Replies: 2
    • Views: 254
    09-27-2017, 11:02 PM Go to last post
  41. Still struggling

    Started by farm tech, 09-26-2017 08:21 PM
    • Replies: 11
    • Views: 507
    09-27-2017, 11:00 PM Go to last post
  42. Shop furnace, MFG DNP, but....

    Started by georgelass, 12-14-2011 08:51 PM
    • Replies: 5
    • Views: 3,723
    09-27-2017, 02:41 PM Go to last post
  43. Trane and the 30% bleed TXV's

    Started by Aircooled81, 06-30-2017 10:40 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,213
    09-27-2017, 11:57 AM Go to last post
  44. LENNOX LCH180

    Started by Kevin Rosa, 09-26-2017 07:18 PM
    • Replies: 0
    • Views: 227
    09-26-2017, 07:18 PM Go to last post

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