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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: 13,866
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. My first big tev kicked my butt.

    Started by ksefan, 08-16-2019 08:07 AM
    • Replies: 12
    • Views: 299
    Today, 09:47 AM Go to last post
  3. tapping into drain lines

    Started by nytech28, Yesterday 01:35 PM
    • Replies: 7
    • Views: 220
    Yesterday, 11:19 PM Go to last post
  4. Any suggestion to dirty coil issues

    Started by windpoint, 08-04-2019 12:30 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 1,450
    Yesterday, 09:45 AM Go to last post
  5. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    • Replies: 12
    • Views: 5,046
    Yesterday, 09:25 AM Go to last post
  6. Fan delay in cooling mode

    Started by Noname81, 08-16-2019 01:23 PM
    • Replies: 8
    • Views: 220
    Yesterday, 09:23 AM Go to last post
  7. Start-up technician

    Started by Takete, 08-15-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 477
    Yesterday, 07:47 AM Go to last post
  8. Carrier 6T Blower

    Started by Guyinfield, 08-15-2019 10:24 AM
    • Replies: 4
    • Views: 220
    Yesterday, 07:41 AM Go to last post
  9. MUA unit's eefect on a load calculaiton

    Started by weebitdry, 08-16-2019 10:54 AM
    • Replies: 3
    • Views: 147
    08-16-2019, 10:24 PM Go to last post
  10. Fulton Boiler

    Started by Bennyj96, 08-13-2019 07:15 PM
    • Replies: 2
    • Views: 184
    08-16-2019, 10:18 PM Go to last post
  11. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 3
    • Views: 168
    08-16-2019, 01:25 PM Go to last post
  12. York RTU heating Ignition control failure during AC, unit locks out??

    Started by tcape, 07-22-2016 03:52 PM
    5 Pages
    1 2 3 4 5
    • Replies: 59
    • Views: 12,609
    08-16-2019, 07:25 AM Go to last post
  13. Trane TCH180 rooftop fleet

    Started by CNSTech, 08-15-2019 09:56 PM
    • Replies: 0
    • Views: 134
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 203
    08-15-2019, 12:57 PM Go to last post
  14. Indoor humidity VS Evaporator Split

    Started by greenhorn520, 08-07-2019 11:40 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 483
    08-14-2019, 01:17 AM Go to last post
  15. Low head pressure, high suction pressure...

    Started by CDune, 08-08-2019 10:09 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 617
    08-14-2019, 12:56 AM Go to last post
  16. Carrier split low suction

    Started by Muchoextremo, 08-13-2019 10:56 PM
    • Replies: 5
    • Views: 193
    08-14-2019, 12:55 AM Go to last post
  17. Low discharge and suction pressures

    Started by jwhitecnc, 08-07-2019 11:10 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 1,005
    08-13-2019, 08:47 PM Go to last post
  18. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 971
    08-13-2019, 08:37 PM Go to last post
  19. Plugeed up Low Fire Orifces on Maxon Burners.

    Started by cshipley17, 08-12-2019 03:00 PM
    • Replies: 10
    • Views: 232
    08-13-2019, 03:47 PM Go to last post
  20. refrigerant leak sealer

    Started by nytech28, 08-04-2019 08:04 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,146
    08-13-2019, 01:19 PM Go to last post
  21. Geothermal system with WSHP’s

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 331
    08-13-2019, 11:11 AM Go to last post
  22. flaring tool option

    Started by nytech28, 08-12-2019 11:32 AM
    • Replies: 6
    • Views: 256
    08-12-2019, 09:15 PM Go to last post
  23. Confused York Rooftop troubleshooting needed

    Started by hans-hvacr, 08-09-2019 09:34 PM
    • Replies: 4
    • Views: 293
    08-12-2019, 04:19 PM Go to last post
  24. York Rooftop Unit Flash Code 11 Economizer

    Started by tbak, 05-27-2016 11:44 PM
    • Replies: 4
    • Views: 2,407
    08-12-2019, 04:12 PM Go to last post
  25. Reversing valve question

    Started by tomnkc, 08-09-2019 01:28 PM
    • Replies: 7
    • Views: 317
    08-12-2019, 11:17 AM Go to last post
  26. need to size ac system

    Started by nytech28, 08-10-2019 12:15 PM
    • Replies: 2
    • Views: 220
    08-10-2019, 04:48 PM Go to last post
  27. Damper Lubricant

    Started by TAC Service, 07-23-2019 05:20 PM
    • Replies: 11
    • Views: 652
    08-10-2019, 11:39 AM Go to last post
  28. Daikin wmc chiller

    Started by Britt Cockrell, 07-03-2019 11:36 AM
    • Replies: 12
    • Views: 866
    08-09-2019, 11:15 PM Go to last post
    • Replies: 4
    • Views: 184
    08-09-2019, 11:12 PM Go to last post
  29. Confused Daikin chiller unit

    Started by Luis33162, 07-30-2019 05:04 PM
    • Replies: 12
    • Views: 500
    08-09-2019, 10:48 PM Go to last post
  30. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 462
    08-09-2019, 01:19 PM Go to last post
  31. Help Indentifying This Unit

    Started by paklein, 08-09-2019 09:40 AM
    • Replies: 4
    • Views: 246
    08-09-2019, 01:15 PM Go to last post
  32. Anyone know BTU for this compressor

    Started by yg1box, 08-07-2019 11:04 PM
    • Replies: 11
    • Views: 296
    08-09-2019, 09:18 AM Go to last post
  33. Partial power failure

    Started by BuildingMech88, 08-08-2019 08:20 PM
    • Replies: 7
    • Views: 245
    08-09-2019, 09:14 AM Go to last post
  34. Application chemical product

    Started by marioc68, 09-19-2018 08:43 PM
    • Replies: 4
    • Views: 698
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 472
    08-07-2019, 08:40 PM Go to last post
  35. YORK YCIV0177 AIR COOLED CHILLERS

    Started by OLD BALD ONE, 08-04-2019 11:38 AM
    • Replies: 4
    • Views: 250
    08-07-2019, 06:12 PM Go to last post
  36. How to get into commercial from residential?

    Started by sea-sparrow, 08-02-2019 10:59 PM
    • Replies: 5
    • Views: 394
    08-07-2019, 10:13 AM Go to last post
  37. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 08:04 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 6,478
    08-07-2019, 09:09 AM Go to last post
  38. Water in Gas Piping for a Maxon Burner

    Started by cshipley17, 07-30-2019 09:39 AM
    • Replies: 12
    • Views: 453
    08-07-2019, 07:52 AM Go to last post
  39. Does this drive look repairable?

    Started by Dacman, 07-29-2019 07:21 PM
    • Replies: 6
    • Views: 537
    08-06-2019, 05:05 PM Go to last post
  40. Gauges v. Atmosphere

    Started by ClimateCntrlr, 08-02-2019 06:14 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 638
    08-05-2019, 10:05 AM Go to last post
  41. Goodman heat pump

    Started by drage93, 07-30-2019 11:33 PM
    • Replies: 10
    • Views: 557
    08-04-2019, 07:04 PM Go to last post
  42. trane 15 ton

    Started by COOLJIM, 07-29-2019 10:05 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 745
    08-03-2019, 08:35 AM Go to last post
  43. Trane ECM engine controller trouble

    Started by hvactrekkie, 08-02-2019 07:23 PM
    • Replies: 2
    • Views: 244
    08-02-2019, 10:43 PM Go to last post
  44. Bristol replacements

    Started by 2sac, 07-25-2019 06:39 PM
    • Replies: 10
    • Views: 574
    08-02-2019, 09:36 PM Go to last post
  45. Goodman PU electrical/control problem

    Started by xdad, 07-31-2019 07:02 AM
    • Replies: 10
    • Views: 338
    08-01-2019, 03:53 PM Go to last post
  46. Prevailing Wage AZ 2019

    Started by AdrianOmarPerez, 06-30-2019 03:47 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 66
    • Views: 2,867
    07-29-2019, 10:48 PM Go to last post
  47. Defrost Termination question

    Started by zapatas23, 08-15-2012 05:16 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 5,259
    07-29-2019, 06:36 PM Go to last post
  48. TXV expansion valve

    Started by Moha Nobl, 07-28-2019 05:44 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 633
    07-29-2019, 06:23 PM Go to last post

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