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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: 13,936
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Low head pressure, high suction pressure...

    Started by CDune, 08-08-2019 10:09 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 884
    Yesterday, 11:40 PM Go to last post
  3. Start-up technician

    Started by Takete, 08-15-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 830
    Yesterday, 06:49 PM Go to last post
  4. Best hot gas reheat dehumidification unit available?

    Started by Fitbiker, 08-23-2019 11:06 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 480
    Yesterday, 06:27 PM Go to last post
  5. Confused problem after problem.. help please

    Started by beahrdog, 08-21-2019 12:56 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 825
    Yesterday, 04:07 PM Go to last post
  6. flaring tool option

    Started by nytech28, 08-12-2019 11:32 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 743
    08-24-2019, 04:28 PM Go to last post
  7. Any suggestion to dirty coil issues

    Started by windpoint, 08-04-2019 12:30 PM
    5 Pages
    1 2 3 4 5
    • Replies: 57
    • Views: 2,013
    08-24-2019, 01:56 AM Go to last post
  8. Water cooled Minisplit?

    Started by anthonyac1, 08-19-2019 02:46 PM
    • Replies: 6
    • Views: 254
    08-23-2019, 06:48 PM Go to last post
  9. York classroom unit ventilator pneumatic controls

    Started by john120, 08-22-2019 10:05 AM
    • Replies: 3
    • Views: 158
    08-23-2019, 06:45 PM Go to last post
  10. Alum micro channel fix

    Started by Snapperhead, 08-19-2019 05:51 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 118
    • Views: 2,362
    08-23-2019, 01:49 PM Go to last post
  11. Carrier 920499 Thermostat

    Started by d.or, 08-19-2019 01:02 PM
    • Replies: 9
    • Views: 294
    08-22-2019, 03:56 PM Go to last post
  12. Question Maneurop Compressor MT 250 Filled With Water

    Started by E&E, 08-20-2019 06:53 PM
    • Replies: 9
    • Views: 282
    08-22-2019, 09:18 AM Go to last post
  13. Cleaver Brooks Hawk

    Started by jman2794, 05-03-2019 11:58 AM
    • Replies: 3
    • Views: 855
    08-21-2019, 12:17 AM Go to last post
  14. Condenser Head Pressure

    Started by BRX, 08-19-2019 11:06 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 591
    08-20-2019, 11:07 PM Go to last post
  15. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,261
    08-20-2019, 09:01 PM Go to last post
  16. Fan delay in cooling mode

    Started by Noname81, 08-16-2019 01:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 450
    08-20-2019, 06:59 PM Go to last post
  17. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 10
    • Views: 454
    08-20-2019, 06:24 PM Go to last post
    • Replies: 6
    • Views: 321
    08-20-2019, 02:47 AM Go to last post
  18. My first big tev kicked my butt.

    Started by ksefan, 08-16-2019 08:07 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 809
    08-20-2019, 02:28 AM Go to last post
  19. Low discharge and suction pressures

    Started by jwhitecnc, 08-07-2019 11:10 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 1,268
    08-19-2019, 11:48 AM Go to last post
  20. Topped up 407C with 404A

    Started by StudentGUY, 08-19-2019 04:24 AM
    • Replies: 3
    • Views: 241
    08-19-2019, 07:37 AM Go to last post
  21. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,279
    08-18-2019, 07:29 PM Go to last post
  22. Indoor humidity VS Evaporator Split

    Started by greenhorn520, 08-07-2019 11:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 663
    08-18-2019, 06:50 PM Go to last post
  23. tapping into drain lines

    Started by nytech28, 08-17-2019 01:35 PM
    • Replies: 7
    • Views: 385
    08-17-2019, 11:19 PM Go to last post
  24. Carrier 6T Blower

    Started by Guyinfield, 08-15-2019 10:24 AM
    • Replies: 4
    • Views: 302
    08-17-2019, 07:41 AM Go to last post
  25. MUA unit's eefect on a load calculaiton

    Started by weebitdry, 08-16-2019 10:54 AM
    • Replies: 3
    • Views: 225
    08-16-2019, 10:24 PM Go to last post
  26. Fulton Boiler

    Started by Bennyj96, 08-13-2019 07:15 PM
    • Replies: 2
    • Views: 254
    08-16-2019, 10:18 PM Go to last post
  27. 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: 12,956
    08-16-2019, 07:25 AM Go to last post
  28. Trane TCH180 rooftop fleet

    Started by CNSTech, 08-15-2019 09:56 PM
    • Replies: 0
    • Views: 197
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 276
    08-15-2019, 12:57 PM Go to last post
  29. Carrier split low suction

    Started by Muchoextremo, 08-13-2019 10:56 PM
    • Replies: 5
    • Views: 270
    08-14-2019, 12:55 AM Go to last post
  30. Plugeed up Low Fire Orifces on Maxon Burners.

    Started by cshipley17, 08-12-2019 03:00 PM
    • Replies: 10
    • Views: 326
    08-13-2019, 03:47 PM Go to last post
  31. refrigerant leak sealer

    Started by nytech28, 08-04-2019 08:04 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,311
    08-13-2019, 01:19 PM Go to last post
  32. Geothermal system with WSHP’s

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 364
    08-13-2019, 11:11 AM Go to last post
  33. Confused York Rooftop troubleshooting needed

    Started by hans-hvacr, 08-09-2019 09:34 PM
    • Replies: 4
    • Views: 398
    08-12-2019, 04:19 PM Go to last post
  34. York Rooftop Unit Flash Code 11 Economizer

    Started by tbak, 05-27-2016 11:44 PM
    • Replies: 4
    • Views: 2,531
    08-12-2019, 04:12 PM Go to last post
  35. Reversing valve question

    Started by tomnkc, 08-09-2019 01:28 PM
    • Replies: 7
    • Views: 441
    08-12-2019, 11:17 AM Go to last post
  36. need to size ac system

    Started by nytech28, 08-10-2019 12:15 PM
    • Replies: 2
    • Views: 333
    08-10-2019, 04:48 PM Go to last post
  37. Damper Lubricant

    Started by TAC Service, 07-23-2019 05:20 PM
    • Replies: 11
    • Views: 748
    08-10-2019, 11:39 AM Go to last post
  38. Daikin wmc chiller

    Started by Britt Cockrell, 07-03-2019 11:36 AM
    • Replies: 12
    • Views: 960
    08-09-2019, 11:15 PM Go to last post
    • Replies: 4
    • Views: 256
    08-09-2019, 11:12 PM Go to last post
  39. Confused Daikin chiller unit

    Started by Luis33162, 07-30-2019 05:04 PM
    • Replies: 12
    • Views: 591
    08-09-2019, 10:48 PM Go to last post
  40. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 559
    08-09-2019, 01:19 PM Go to last post
  41. Help Indentifying This Unit

    Started by paklein, 08-09-2019 09:40 AM
    • Replies: 4
    • Views: 347
    08-09-2019, 01:15 PM Go to last post
  42. Anyone know BTU for this compressor

    Started by yg1box, 08-07-2019 11:04 PM
    • Replies: 11
    • Views: 369
    08-09-2019, 09:18 AM Go to last post
  43. Partial power failure

    Started by BuildingMech88, 08-08-2019 08:20 PM
    • Replies: 7
    • Views: 332
    08-09-2019, 09:14 AM Go to last post
  44. Application chemical product

    Started by marioc68, 09-19-2018 08:43 PM
    • Replies: 4
    • Views: 759
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 570
    08-07-2019, 08:40 PM Go to last post
  45. YORK YCIV0177 AIR COOLED CHILLERS

    Started by OLD BALD ONE, 08-04-2019 11:38 AM
    • Replies: 4
    • Views: 311
    08-07-2019, 06:12 PM Go to last post
  46. How to get into commercial from residential?

    Started by sea-sparrow, 08-02-2019 10:59 PM
    • Replies: 5
    • Views: 467
    08-07-2019, 10:13 AM Go to last post
  47. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 08:04 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 6,666
    08-07-2019, 09:09 AM Go to last post

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