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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: 4,153
    08-10-2011, 04:34 PM Go to last post
  1. Questions regarding water cooled A/C and high water bills

    Started by KickedGinger, 03-09-2013 02:39 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 962
    03-10-2013, 10:48 AM Go to last post
  2. York Sunline unit circuit board failure

    Started by gmanss454, 03-07-2013 07:52 PM
    • Replies: 9
    • Views: 1,002
    03-09-2013, 02:31 AM Go to last post
  3. alkylbenzene vs. mineral question...

    Started by GT Jets, 03-08-2013 12:34 AM
    • Replies: 9
    • Views: 1,057
    03-09-2013, 01:34 AM Go to last post
  4. Which Testo...

    Started by hvac5646, 03-06-2013 06:40 PM
    • Replies: 2
    • Views: 444
    03-07-2013, 08:17 AM Go to last post
  5. Old D/B IOM help please

    Started by mannyldeq, 03-07-2013 07:39 AM
    • Replies: 0
    • Views: 206
    03-07-2013, 07:39 AM Go to last post
  6. Fishy Smell Coming From Rooftop Unit

    Started by HVAndyC/R, 03-05-2013 11:38 PM
    • Replies: 10
    • Views: 1,083
    03-06-2013, 09:57 PM Go to last post
  7. 2nd generation Coleman mod furnace...

    Started by hvac5646, 03-06-2013 06:43 PM
    • Replies: 0
    • Views: 258
    03-06-2013, 06:43 PM Go to last post
  8. Water in the supply duct.

    Started by Adamscarpentry, 05-19-2012 10:45 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,869
    03-06-2013, 12:16 AM Go to last post
  9. Plated heat exchanger

    Started by hvacman2213, 01-27-2013 10:18 PM
    • Replies: 3
    • Views: 612
    03-05-2013, 05:19 PM Go to last post
  10. WaterSide Economizer

    Started by LCJ, 03-03-2013 08:59 AM
    • Replies: 6
    • Views: 674
    03-05-2013, 05:53 AM Go to last post
  11. Trane voyager with modulating gas heat

    Started by yorkguy, 03-02-2013 12:58 PM
    • Replies: 3
    • Views: 581
    03-04-2013, 11:28 AM Go to last post
  12. Trane Voyager economizer question

    Started by lmwiseman, 02-27-2013 09:50 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 2,543
    03-04-2013, 10:44 AM Go to last post
  13. Testing a relay on a PTAC

    Started by nmt6789, 03-03-2013 07:23 AM
    • Replies: 4
    • Views: 601
    03-04-2013, 09:55 AM Go to last post
  14. MO99 Retro

    Started by jlowe79, 02-07-2013 09:20 PM
    • Replies: 10
    • Views: 1,587
    03-03-2013, 07:36 PM Go to last post
  15. Pump down and crankcase heaters

    Started by jammzzville, 01-11-2012 09:10 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,967
    03-03-2013, 06:53 AM Go to last post
  16. Trane RTU

    Started by HVACTECHND, 03-01-2013 05:51 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,063
    03-02-2013, 01:13 PM Go to last post
  17. Hmm STULZ E2 SERIES TOUCH PAD

    Started by mrhvacmechanic, 03-01-2013 08:28 PM
    • Replies: 0
    • Views: 359
    03-01-2013, 08:28 PM Go to last post
  18. Carrier Heat Pump TXV

    Started by KQQLCAT, 01-31-2012 12:58 PM
    • Replies: 4
    • Views: 1,077
    03-01-2013, 05:43 PM Go to last post
  19. Carrier sensor part number

    Started by duckman373, 02-28-2013 11:23 AM
    • Replies: 2
    • Views: 414
    03-01-2013, 09:08 AM Go to last post
  20. Tork draft inducer motor

    Started by juststartin, 02-28-2013 07:15 PM
    • Replies: 0
    • Views: 296
    02-28-2013, 07:15 PM Go to last post
  21. Weil- Mlain bmc controller for multi boilers

    Started by billymons, 02-28-2013 03:20 PM
    • Replies: 1
    • Views: 228
    02-28-2013, 03:24 PM Go to last post
  22. Looking for fan curves

    Started by BobbyBJr, 02-20-2013 10:10 AM
    • Replies: 2
    • Views: 397
    02-27-2013, 04:29 PM Go to last post
  23. motorized fresh air damper

    Started by alex1960, 02-25-2013 10:45 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,365
    02-27-2013, 09:00 AM Go to last post
  24. York Simplicity Control

    Started by CE-TECH, 02-26-2013 09:49 AM
    • Replies: 3
    • Views: 812
    02-27-2013, 06:32 AM Go to last post
  25. Gas train

    Started by yotaman16, 02-20-2013 08:54 PM
    • Replies: 5
    • Views: 677
    02-26-2013, 08:02 PM Go to last post
  26. VIBRATING 40TON RECIP

    Started by GITONGA, 02-26-2013 01:17 AM
    • Replies: 4
    • Views: 511
    02-26-2013, 02:18 PM Go to last post
  27. Adjust an EPR w/o a pressure tap?

    Started by 3800tom, 09-01-2011 12:13 PM
    • Replies: 10
    • Views: 1,307
    02-25-2013, 09:15 PM Go to last post
  28. SUggestions on a large project.

    Started by andrew902, 02-22-2013 01:25 PM
    • Replies: 5
    • Views: 609
    02-25-2013, 08:53 AM Go to last post
  29. Liebert head master puzzle

    Started by ratzo79, 02-10-2013 11:24 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,936
    02-24-2013, 01:10 PM Go to last post
  30. Question RTU manufacture seletction

    Started by PlymouthMan, 01-31-2012 10:55 AM
    • Replies: 9
    • Views: 978
    02-24-2013, 12:17 PM Go to last post
  31. pressure control TXV valve?

    Started by cfe, 01-09-2012 03:51 AM
    • Replies: 11
    • Views: 1,248
    02-24-2013, 10:44 AM Go to last post
  32. refrigeration problem

    Started by esw, 01-18-2012 01:33 PM
    • Replies: 5
    • Views: 1,024
    02-24-2013, 07:54 AM Go to last post
  33. Not able to seal systems with POE Oils

    Started by pmpaaron, 01-06-2012 09:58 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,360
    02-24-2013, 07:43 AM Go to last post
  34. Trane YCD036 heat mode help

    Started by ihubby, 01-04-2012 07:21 PM
    • Replies: 7
    • Views: 1,650
    02-24-2013, 07:34 AM Go to last post
  35. Calling All Trane Voyager Experts!!!!!!

    Started by SeanH, 01-04-2012 05:22 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 3,160
    02-24-2013, 07:32 AM Go to last post
  36. variable speed scrolls

    Started by largetonnage, 12-27-2011 04:33 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,924
    02-24-2013, 07:25 AM Go to last post
  37. Suction droppin into vacuum

    Started by Tommy1010, 12-15-2011 10:48 AM
    • Replies: 12
    • Views: 4,297
    02-24-2013, 07:20 AM Go to last post
  38. Trane YCD151 IDM never stops running

    Started by SeanH, 12-15-2011 12:38 AM
    • Replies: 12
    • Views: 4,479
    02-24-2013, 07:17 AM Go to last post
  39. copeland semiherm troubleshooting

    Started by norrishvac2, 12-13-2011 07:47 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,157
    02-24-2013, 07:15 AM Go to last post
  40. Walk in freezer defrost cycle question

    Started by Maven445, 11-28-2011 09:09 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,133
    02-24-2013, 07:04 AM Go to last post
  41. EEr and seer of old Aaon RTU's

    Started by Freezeking2000, 02-23-2013 04:24 PM
    • Replies: 0
    • Views: 325
    02-23-2013, 04:24 PM Go to last post
  42. Question Motor Grease and Grease classification

    Started by Push It, 02-21-2013 04:42 PM
    • Replies: 6
    • Views: 809
    02-23-2013, 09:37 AM Go to last post
  43. Danfoss 1/4HP Compressor

    Started by TimTech1, 02-21-2013 03:50 PM
    • Replies: 7
    • Views: 703
    02-23-2013, 01:20 AM Go to last post
  44. Need manual for Trane automation system

    Started by qwerty hvac, 02-22-2013 02:46 PM
    • Replies: 6
    • Views: 511
    02-22-2013, 07:27 PM Go to last post
  45. VAV reset controller

    Started by frio, 02-21-2013 09:23 PM
    • Replies: 0
    • Views: 406
    02-21-2013, 09:23 PM Go to last post
  46. Adding removing oil from York Scroll compressor

    Started by Tech54, 02-21-2013 04:50 PM
    • Replies: 2
    • Views: 536
    02-21-2013, 07:31 PM Go to last post
  47. Trane Model YCH060C1L0BE

    Started by 907Controls, 02-20-2013 07:00 PM
    • Replies: 0
    • Views: 347
    02-20-2013, 07:00 PM Go to last post
  48. P-266 Fan Speed Control

    Started by hands, 02-15-2013 07:09 PM
    • Replies: 4
    • Views: 809
    02-20-2013, 06:26 PM Go to last post
  49. Shaft alignment methods

    Started by valdelocc, 02-06-2013 12:15 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,005
    02-19-2013, 11:41 PM Go to last post
  50. York YCAR130 Chiller

    Started by Keep'N It Cool, 02-19-2013 08:11 PM
    • Replies: 2
    • Views: 391
    02-19-2013, 10:36 PM Go to last post

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