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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: 10,766
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. 2.5t r410a Heat pump Carrier, split, 250psi suction

    Started by Valvac, 06-16-2017 02:38 PM
    • Replies: 0
    • Views: 187
    06-16-2017, 02:38 PM Go to last post
  3. Bid training class

    Started by Viepped, 06-15-2017 02:48 PM
    • Replies: 4
    • Views: 300
    06-16-2017, 08:27 AM Go to last post
    • Replies: 6
    • Views: 487
    06-16-2017, 05:19 AM Go to last post
  4. Carrier 50TC-D09A

    Started by tunaguy, 06-16-2017 12:21 AM
    • Replies: 0
    • Views: 212
    06-16-2017, 12:21 AM Go to last post
  5. Hmm pnematics

    Started by tom.cunningham, 05-10-2017 03:17 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,075
    06-15-2017, 09:47 PM Go to last post
  6. King Valve Leak and condenser fan

    Started by Rockwell, 06-11-2017 02:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 841
    06-15-2017, 09:36 PM Go to last post
  7. HW Lyric stat loses programming ?

    Started by Poodle Head Mikey, 06-15-2017 03:36 PM
    • Replies: 1
    • Views: 185
    06-15-2017, 03:48 PM Go to last post
  8. Anyone ever seen a TXV setup like this?

    Started by probtu, 06-12-2017 11:51 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 907
    06-14-2017, 10:41 PM Go to last post
  9. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 01:48 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 18,364
    06-13-2017, 05:26 PM Go to last post
  10. McQuay AWS290BDP Chiller

    Started by jgab, 06-13-2017 04:44 PM
    • Replies: 0
    • Views: 208
    06-13-2017, 04:44 PM Go to last post
  11. Multiple questions

    Started by Shane Carruth, 06-12-2017 10:51 PM
    • Replies: 2
    • Views: 302
    06-13-2017, 12:17 AM Go to last post
  12. lennox LGC rtus, and their controls

    Started by coolerinfrederick, 06-12-2017 06:01 PM
    • Replies: 2
    • Views: 290
    06-12-2017, 09:37 PM Go to last post
  13. Troubleshooting Trane Package Unit

    Started by ShoTyme42002, 06-11-2017 01:21 PM
    • Replies: 5
    • Views: 415
    06-12-2017, 09:09 PM Go to last post
  14. Hiel two stage cool gas heat roof top

    Started by vargimike, 06-12-2017 01:09 AM
    • Replies: 0
    • Views: 210
    06-12-2017, 01:09 AM Go to last post
  15. Coil Straightening Made Easy

    Started by GenesisRefrig, 06-10-2017 10:49 PM
    • Replies: 2
    • Views: 498
    06-11-2017, 08:57 PM Go to last post
  16. HVAC maintenance agreements.

    Started by sgtrivas405, 06-10-2017 03:04 AM
    • Replies: 9
    • Views: 472
    06-11-2017, 09:07 AM Go to last post
  17. UA Star Preparation?

    Started by alliedtech12887, 01-26-2012 07:50 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 8,959
    06-09-2017, 08:35 AM Go to last post
  18. York AC

    Started by BAA, 06-08-2017 09:21 PM
    • Replies: 6
    • Views: 559
    06-09-2017, 08:35 AM Go to last post
  19. Kitchen exhaust hood, more air flow

    Started by Kevin Orye, 06-08-2017 05:15 PM
    • Replies: 5
    • Views: 434
    06-08-2017, 11:56 PM Go to last post
  20. Head Loss Calc Question

    Started by dglenn9000, 06-07-2017 05:09 PM
    • Replies: 10
    • Views: 545
    06-08-2017, 06:56 PM Go to last post
  21. How much ventilation?

    Started by Joab, 06-07-2017 08:38 AM
    • Replies: 11
    • Views: 397
    06-08-2017, 08:52 AM Go to last post
  22. York blower problems

    Started by Pmelillo, 06-07-2017 05:25 PM
    • Replies: 1
    • Views: 257
    06-08-2017, 05:08 AM Go to last post
  23. Customer just wanted a recharge.

    Started by jimp, 05-14-2017 05:57 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,655
    06-07-2017, 07:04 PM Go to last post
  24. Suction filter pressure drop

    Started by BigE5012, 05-10-2017 10:55 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,547
    06-07-2017, 10:36 AM Go to last post
  25. Carrier Comfort Link

    Started by HAFP, 05-01-2017 09:06 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,143
    06-06-2017, 11:54 AM Go to last post
  26. Start cap

    Started by farm tech, 06-01-2017 06:10 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 1,471
    06-05-2017, 10:41 PM Go to last post
  27. Which method for preheating OA for make-up air unit?

    Started by Matt78, 01-12-2016 07:14 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,038
    06-04-2017, 09:07 PM Go to last post
  28. Adding dehumidification to 40 ton package unit

    Started by licensed to chill, 06-01-2017 10:29 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,051
    06-04-2017, 05:28 PM Go to last post
  29. Trane 3D Scroll Tandem 50 Ton Split

    Started by Apprenticanic, 05-07-2013 12:46 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,338
    06-04-2017, 11:03 AM Go to last post
  30. Carrier Question

    Started by jmandtc, 06-03-2017 06:08 AM
    • Replies: 2
    • Views: 316
    06-03-2017, 06:59 AM Go to last post
  31. Honeywell Jade Retrofit on Trane Reliatel

    Started by Mr.Man, 06-01-2017 04:40 PM
    • Replies: 4
    • Views: 305
    06-02-2017, 11:17 AM Go to last post
  32. Trane Intellipak 30 ton with ungodly humidity in building

    Started by Chozn1, 10-27-2014 10:15 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 3,844
    06-02-2017, 08:26 AM Go to last post
    • Replies: 6
    • Views: 503
    06-01-2017, 11:33 PM Go to last post
    • Replies: 6
    • Views: 380
    06-01-2017, 12:27 PM Go to last post
  33. Carrier chillers witha plate heat exchanger

    Started by TURBOFIRE, 05-31-2017 10:46 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 632
    06-01-2017, 12:03 PM Go to last post
  34. R-22 replacement, RS-44b (R453a)

    Started by Capt Wolf, 06-01-2017 11:04 AM
    • Replies: 1
    • Views: 364
    06-01-2017, 11:06 AM Go to last post
  35. Retrofitting R-22 to R-427A with mineral oil

    Started by Jrqsr83, 12-15-2016 12:20 AM
    • Replies: 2
    • Views: 642
    05-31-2017, 10:43 PM Go to last post
  36. Control a Tracer SC system

    Started by rdelvalle, 05-30-2017 06:24 AM
    • Replies: 1
    • Views: 293
    05-31-2017, 03:12 PM Go to last post
  37. Confused Liebert XDC Chiller Pump "Loss of Flow" Issues

    Started by uhPrintUs, 05-19-2012 11:33 AM
    • Replies: 8
    • Views: 1,942
    05-31-2017, 09:10 AM Go to last post
  38. Take a swing at the problem

    Started by jimp, 05-28-2017 05:35 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,028
    05-30-2017, 06:49 PM Go to last post
  39. RS-44 AkA:R424A refrigerant

    Started by drpsr99, 05-30-2017 05:19 PM
    • Replies: 0
    • Views: 241
    05-30-2017, 05:19 PM Go to last post
  40. International Comfort products, Model# GPFM60L140E

    Started by sam's, 05-23-2017 09:58 PM
    • Replies: 5
    • Views: 431
    05-30-2017, 05:34 AM Go to last post
  41. Compressor eating capacitors

    Started by mjohnson2981, 09-25-2016 06:42 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 2,769
    05-29-2017, 08:44 PM Go to last post
  42. Question CLIENT WANT TO REUSE REFRIGERANT PIPES

    Started by elcube, 05-25-2017 09:26 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,893
    05-29-2017, 10:25 AM Go to last post
  43. Unloaders

    Started by hvacron, 05-17-2017 09:45 PM
    • Replies: 12
    • Views: 818
    05-28-2017, 10:36 AM Go to last post
  44. MRI Primary Cooling Loop

    Started by jimp, 05-15-2017 07:02 PM
    • Replies: 7
    • Views: 447
    05-27-2017, 03:24 PM Go to last post
  45. Carrier CoreMax tool

    Started by uke, 12-02-2016 11:26 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 2,130
    05-26-2017, 03:54 PM Go to last post
  46. 100 ton rtu

    Started by Temp tech 77, 05-25-2017 07:15 PM
    • Replies: 6
    • Views: 554
    05-26-2017, 11:21 AM Go to last post
  47. Trane TSC048 economizer bypass

    Started by sgagne199, 05-25-2017 05:16 PM
    • Replies: 2
    • Views: 307
    05-25-2017, 08:17 PM Go to last post
  48. Losing compressors

    Started by tomnkc, 05-15-2017 10:36 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,676
    05-24-2017, 02:41 PM Go to last post

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