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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: NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 4,006
    08-10-2011, 04:34 PM Go to last post
  1. Flakt fan vs. VFD

    Started by Sir Fixalot, 08-28-2013 03:12 PM
    • Replies: 2
    • Views: 596
    08-29-2013, 12:05 PM Go to last post
  2. temperature sensor

    Started by Kelvin Kwei, 08-29-2013 02:41 AM
    • Replies: 2
    • Views: 378
    08-29-2013, 07:17 AM Go to last post
  3. Calling Liebert Gurus

    Started by motojo, 08-16-2013 05:46 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 2,548
    08-28-2013, 11:17 PM Go to last post
  4. Retro Fitting Standard FPVAV fan motors with ECM????

    Started by Prach, 08-28-2013 03:19 PM
    • Replies: 2
    • Views: 484
    08-28-2013, 05:07 PM Go to last post
  5. Question Heat Recover Coils (ASHRAE standards question)

    Started by Ledsoul, 08-14-2013 06:20 PM
    • Replies: 1
    • Views: 625
    08-28-2013, 02:35 PM Go to last post
  6. Grounding rings

    Started by Sir Fixalot, 08-28-2013 11:35 AM
    • Replies: 1
    • Views: 417
    08-28-2013, 12:13 PM Go to last post
  7. Cost of Commercial Contract

    Started by easternshore, 08-19-2013 08:17 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,142
    08-28-2013, 11:22 AM Go to last post
  8. Johnson P66 qustion

    Started by CanDoAggin, 08-20-2013 09:07 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,543
    08-28-2013, 11:14 AM Go to last post
  9. Subcooling on Water Source Unit

    Started by smsmechanical, 08-24-2013 08:42 PM
    • Replies: 3
    • Views: 681
    08-28-2013, 08:33 AM Go to last post
  10. Troublesome 06E suction king valve gasket

    Started by mixsit, 08-08-2013 06:06 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,665
    08-28-2013, 02:52 AM Go to last post
  11. Cooling Tower filter or Dolphin water treatment

    Started by MacGabhann, 08-23-2013 03:03 PM
    2 Pages
    1 2
    cooling tower, filter
    • Replies: 17
    • Views: 1,520
    08-27-2013, 11:37 PM Go to last post
    • Replies: 2
    • Views: 868
    08-27-2013, 10:51 PM Go to last post
    • Replies: 3
    • Views: 486
    08-27-2013, 07:33 PM Go to last post
  12. Pool Mechanical Room Ventilation

    Started by TigerWedgey, 07-23-2013 10:28 AM
    • Replies: 5
    • Views: 714
    08-27-2013, 03:33 PM Go to last post
  13. Second stage cooling after 15 minutes shuts down

    Started by harry1964, 08-26-2013 08:46 PM
    • Replies: 4
    • Views: 267
    08-26-2013, 08:59 PM Go to last post
  14. Additional oil formula??

    Started by eddie-boyz1, 08-22-2013 12:01 PM
    • Replies: 5
    • Views: 401
    08-26-2013, 07:29 PM Go to last post
  15. expert troubleshoot and install advice

    Started by youngjoshua20, 08-23-2013 10:00 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,715
    08-26-2013, 07:23 PM Go to last post
  16. 3phase compressor

    Started by reisworth, 08-23-2013 08:09 PM
    • Replies: 6
    • Views: 513
    08-26-2013, 02:05 PM Go to last post
  17. Trane CRHM200

    Started by PJ's cool-aid, 03-03-2010 01:19 PM
    • Replies: 9
    • Views: 1,049
    08-26-2013, 11:17 AM Go to last post
  18. Prevented maintenance

    Started by Fvenviro, 08-22-2013 10:27 AM
    • Replies: 7
    • Views: 554
    08-26-2013, 06:29 AM Go to last post
  19. Hartell J-100 Safety Switch

    Started by soundsgood, 08-25-2013 02:21 PM
    • Replies: 2
    • Views: 547
    08-25-2013, 08:29 PM Go to last post
  20. Question about commmercial unit

    Started by hvacsolutions, 08-10-2013 10:48 PM
    • Replies: 9
    • Views: 624
    08-25-2013, 08:27 PM Go to last post
  21. Trane-First Co. Mashup

    Started by timjimbob, 08-20-2013 10:57 AM
    • Replies: 1
    • Views: 418
    08-25-2013, 12:40 PM Go to last post
  22. Confused Old York AHU information needed

    Started by OfficeFm, 08-23-2013 08:24 AM
    • Replies: 1
    • Views: 478
    08-25-2013, 12:37 PM Go to last post
  23. Cool York Service Lititure

    Started by Flashman989, 08-23-2013 09:08 PM
    • Replies: 2
    • Views: 493
    08-24-2013, 08:04 PM Go to last post
  24. BMS SuperVision Software

    Started by yoosuf, 08-24-2013 02:39 PM
    • Replies: 0
    • Views: 340
    08-24-2013, 02:39 PM Go to last post
  25. Air handler chiller problems

    Started by scooterboiz, 08-23-2013 11:53 PM
    • Replies: 4
    • Views: 516
    08-24-2013, 11:47 AM Go to last post
  26. Trane VRF

    Started by Jeremy325, 08-18-2013 03:33 PM
    • Replies: 1
    • Views: 480
    08-23-2013, 09:48 PM Go to last post
  27. Can any one identify this

    Started by thirdcoast361, 08-17-2013 02:43 PM
    • Replies: 12
    • Views: 965
    08-23-2013, 09:31 PM Go to last post
  28. Water/Pump pressure?

    Started by OhioTech, 08-21-2013 04:43 PM
    • Replies: 8
    • Views: 555
    08-23-2013, 09:26 PM Go to last post
    • Replies: 22
    • Views: 3,345
    08-23-2013, 09:14 PM Go to last post
  29. Looking for Fike FM-200 chart

    Started by dwkerux, 08-23-2013 11:18 AM
    • Replies: 1
    • Views: 226
    08-23-2013, 09:09 PM Go to last post
  30. Evapco cooling tower not picking up heat

    Started by wildgato, 08-13-2013 06:53 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,460
    08-23-2013, 09:06 PM Go to last post
  31. Trane precedent start ups

    Started by Yukoncornelious, 08-22-2013 05:12 PM
    • Replies: 3
    • Views: 394
    08-23-2013, 09:04 PM Go to last post
  32. Commercial Machine Shop Air Conditioning

    Started by Gjack, 08-06-2013 03:32 PM
    • Replies: 5
    • Views: 866
    08-23-2013, 12:55 PM Go to last post
    • Replies: 1
    • Views: 282
    08-23-2013, 07:49 AM Go to last post
  33. Help With an Old T-Stat

    Started by Harold Underwoo, 08-22-2013 07:08 PM
    • Replies: 3
    • Views: 425
    08-23-2013, 12:57 AM Go to last post
  34. Carrier comfort network connection

    Started by MikeMoniz, 08-22-2013 10:11 PM
    • Replies: 0
    • Views: 282
    08-22-2013, 10:11 PM Go to last post
  35. 20ton water to air waterfurnace

    Started by gravity, 08-20-2013 09:44 PM
    • Replies: 3
    • Views: 317
    08-22-2013, 10:00 PM Go to last post
  36. Confused Help with sizing calculation

    Started by carman, 08-21-2013 07:49 PM
    • Replies: 5
    • Views: 426
    08-22-2013, 06:46 PM Go to last post
  37. Trane Rooftop Tripping 24 volts

    Started by TopDeadCenter, 08-14-2013 06:50 PM
    • Replies: 11
    • Views: 641
    08-22-2013, 05:43 PM Go to last post
    • Replies: 7
    • Views: 520
    08-22-2013, 12:08 PM Go to last post
  38. Condensate issues in downflow application

    Started by JBocc, 08-17-2013 10:53 AM
    • Replies: 12
    • Views: 739
    08-22-2013, 09:01 AM Go to last post
  39. Voyager Heat Exchangers

    Started by hvacguy99, 08-20-2013 08:07 PM
    • Replies: 6
    • Views: 505
    08-22-2013, 07:40 AM Go to last post
  40. Deli Case Help

    Started by crstephens83, 08-20-2013 08:24 PM
    • Replies: 12
    • Views: 719
    08-21-2013, 04:16 PM Go to last post
  41. condenser fan

    Started by idahojoe, 08-16-2013 11:11 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 2,024
    08-21-2013, 01:10 AM Go to last post
  42. amperage readings on ECM motors

    Started by anthony sclease, 08-19-2013 01:59 PM
    • Replies: 1
    • Views: 390
    08-20-2013, 11:50 PM Go to last post
  43. What causes it?

    Started by AddMore22, 03-11-2012 07:08 PM
    • Replies: 8
    • Views: 1,063
    08-20-2013, 11:03 PM Go to last post
  44. Confused Subcool Bypass?

    Started by n-e-w Jerz!, 08-19-2013 09:46 PM
    • Replies: 9
    • Views: 586
    08-20-2013, 09:40 PM Go to last post
  45. M9 bergstrom(sigma)package unit 134a

    Started by Hdtech1979, 08-16-2013 01:56 AM
    • Replies: 11
    • Views: 542
    08-20-2013, 05:49 AM Go to last post

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