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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: 11,304
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. McQuay WSHP Mark IV board

    Started by SanchezHVAC, Yesterday 11:05 PM
    • Replies: 10
    • Views: 157
    Today, 10:10 AM Go to last post
  3. York YK high speed journal bearing failure

    Started by grizboards, Yesterday 02:06 PM
    • Replies: 9
    • Views: 170
    Today, 09:15 AM Go to last post
  4. bad odor from air vent

    Started by nytech28, Yesterday 07:33 PM
    • Replies: 6
    • Views: 133
    Today, 09:12 AM Go to last post
  5. Trane Voyager Troubleshooting Help

    Started by Skilleg, 10-03-2018 02:05 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 663
    Yesterday, 11:36 PM Go to last post
  6. Fulton pulse boilers

    Started by Luke84, 03-12-2012 06:04 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 10,492
    Yesterday, 10:16 AM Go to last post
  7. Danfoss Compressor SMH 185 failure

    Started by jimp, 10-05-2018 08:08 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 521
    10-14-2018, 08:23 AM Go to last post
  8. Suva 95 (R508B)

    Started by aotektrue, 09-25-2018 07:40 PM
    2 Pages
    1 2
    line-set
    • Replies: 14
    • Views: 558
    10-13-2018, 11:00 AM Go to last post
  9. Silver Solder Joint

    Started by FrostGiant, 10-10-2018 07:12 PM
    • Replies: 8
    • Views: 422
    10-12-2018, 06:03 PM Go to last post
    • Replies: 1
    • Views: 178
    10-11-2018, 04:02 PM Go to last post
  10. KC1000

    Started by Spitz, 10-08-2018 08:39 PM
    • Replies: 5
    • Views: 231
    10-10-2018, 10:37 PM Go to last post
  11. Robertshaw 300-225 battery replacement

    Started by thatguy, 10-09-2018 03:07 AM
    • Replies: 4
    • Views: 187
    10-10-2018, 09:54 PM Go to last post
  12. LG VRF compressor amp draw question

    Started by tech1107, 10-10-2018 08:40 PM
    • Replies: 2
    • Views: 171
    10-10-2018, 09:00 PM Go to last post
  13. National Maintenance management

    Started by fngtech, 10-08-2018 09:58 PM
    • Replies: 2
    • Views: 255
    10-10-2018, 05:37 AM Go to last post
  14. Could it work?

    Started by Ml002, 10-09-2018 06:08 PM
    • Replies: 4
    • Views: 280
    10-09-2018, 11:14 PM Go to last post
  15. 120 Volt Thermostat

    Started by justdan, 10-07-2018 11:58 PM
    • Replies: 10
    • Views: 416
    10-09-2018, 12:11 PM Go to last post
  16. atosa serial numbert

    Started by freonjohn, 10-06-2018 08:44 PM
    • Replies: 7
    • Views: 241
    10-08-2018, 07:31 PM Go to last post
  17. R410 Charging procedure - Questions

    Started by Suncity, 09-30-2018 08:45 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 826
    10-07-2018, 05:03 PM Go to last post
  18. Carrier RTU Issues

    Started by ga1279, 10-05-2018 09:47 AM
    • Replies: 10
    • Views: 355
    10-06-2018, 10:48 AM Go to last post
  19. Grundfos magna3

    Started by Bglenn525, 10-03-2018 03:25 PM
    • Replies: 3
    • Views: 230
    10-05-2018, 08:46 PM Go to last post
  20. Copeland digital scroll controller

    Started by hvac17011, 10-02-2018 06:50 PM
    • Replies: 4
    • Views: 336
    10-04-2018, 08:43 PM Go to last post
  21. New Technology for air conditioning

    Started by ben9108, 10-03-2018 07:17 AM
    • Replies: 7
    • Views: 394
    10-04-2018, 05:14 PM Go to last post
  22. Duct Design Question

    Started by michigan1, 09-28-2018 04:39 PM
    • Replies: 10
    • Views: 375
    10-03-2018, 01:11 PM Go to last post
  23. Palm Beach Refrigeration

    Started by edyspaghetti, 10-01-2018 12:39 PM
    • Replies: 10
    • Views: 322
    10-02-2018, 04:27 PM Go to last post
  24. Innovative Technology

    Started by ben9108, 10-02-2018 12:30 PM
    • Replies: 0
    • Views: 136
    10-02-2018, 12:30 PM Go to last post
  25. Single phase condenser grounded b service

    Started by Spitz, 09-28-2018 12:03 AM
    • Replies: 10
    • Views: 515
    10-01-2018, 07:10 PM Go to last post
    • Replies: 12
    • Views: 518
    10-01-2018, 03:58 PM Go to last post
  26. York RTU heating Ignition control failure during AC, unit locks out??

    Started by tcape, 07-22-2016 03:52 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 5,318
    10-01-2018, 01:55 PM Go to last post
  27. Dectron information wanted

    Started by Bombboy90, 09-24-2018 01:55 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 349
    10-01-2018, 09:08 AM Go to last post
  28. Preventing ice formation in counterflow cooling tower..

    Started by rebar, 09-25-2018 01:31 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 548
    09-30-2018, 11:57 AM Go to last post
  29. Problem of two fans design for a new AHU

    Started by ben9108, 09-25-2018 09:32 PM
    • Replies: 9
    • Views: 314
    09-30-2018, 11:02 AM Go to last post
  30. Dual circuit Trane comp. btus?

    Started by anthonyac1, 09-22-2018 01:08 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 536
    09-30-2018, 08:32 AM Go to last post
  31. Just dosent make sense

    Started by Servicetech72, 09-28-2018 01:23 PM
    • Replies: 3
    • Views: 280
    09-28-2018, 01:44 PM Go to last post
  32. Diffuser hanging?

    Started by fan in the can, 09-25-2018 08:54 PM
    • Replies: 2
    • Views: 268
    09-26-2018, 09:06 PM Go to last post
  33. Trane RAUCC50 Burning Up Contactors

    Started by FrostGiant, 06-03-2018 05:54 PM
    • Replies: 12
    • Views: 788
    09-26-2018, 11:47 AM Go to last post
  34. A/C size question

    Started by roverholt, 09-25-2018 10:28 AM
    • Replies: 4
    • Views: 125
    09-26-2018, 05:43 AM Go to last post
  35. Flow issues

    Started by Bglenn525, 09-24-2018 07:15 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 384
    09-24-2018, 11:13 PM Go to last post
  36. Black Iron pipe in a open tank chiller

    Started by jimp, 09-21-2018 08:35 PM
    • Replies: 11
    • Views: 483
    09-24-2018, 05:06 PM Go to last post
  37. alltemp R-22 Alternate Refrigerant

    Started by eljr, 11-05-2016 05:10 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 3,457
    09-24-2018, 04:44 PM Go to last post
    • Replies: 9
    • Views: 403
    09-23-2018, 09:59 PM Go to last post
  38. Carrier - Condenser Current Draw

    Started by integrator, 09-23-2018 06:09 PM
    • Replies: 4
    • Views: 219
    09-23-2018, 07:55 PM Go to last post
  39. Libert challenger 3000 compressor not shutting off

    Started by justabluecollar, 09-21-2018 11:51 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 412
    09-23-2018, 12:10 PM Go to last post
  40. Carrier Humidimizer

    Started by gman994, 09-21-2018 10:44 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 456
    09-23-2018, 11:48 AM Go to last post
    • Replies: 10
    • Views: 517
    09-22-2018, 04:09 PM Go to last post
  41. Sporlan threaded sight glass leaks

    Started by Shreadhead, 09-05-2018 10:43 PM
    • Replies: 11
    • Views: 684
    09-22-2018, 02:52 PM Go to last post
  42. Fresh air or air to air exchanger

    Started by uffdanow00, 08-16-2018 02:18 PM
    • Replies: 9
    • Views: 548
    09-22-2018, 02:11 PM Go to last post
  43. Need engineering data on York Chiller

    Started by Oodly, 09-15-2018 06:19 PM
    • Replies: 3
    • Views: 304
    09-22-2018, 01:56 PM Go to last post
  44. Fire Damper for Dish Washer Duct

    Started by Gautham_HVAC, 09-21-2018 01:23 AM
    • Replies: 5
    • Views: 246
    09-22-2018, 08:28 AM Go to last post
  45. Liebert BUo42A-CAEI SERIAL 518975-001

    Started by davidh929, 09-19-2018 09:29 AM
    • Replies: 4
    • Views: 196
    09-21-2018, 08:55 PM Go to last post
  46. McQuay ALS 186 Chiller

    Started by dyoung9121, 09-21-2018 05:25 PM
    • Replies: 1
    • Views: 188
    09-21-2018, 05:35 PM Go to last post
  47. Trane roof top unit freezing up .

    Started by bulldog53207, 09-13-2018 07:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 711
    09-21-2018, 12:45 PM Go to last post

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