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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: 13,884
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Any suggestion to dirty coil issues

    Started by windpoint, 08-04-2019 12:30 PM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 1,545
    Today, 03:10 AM Go to last post
    • Replies: 6
    • Views: 180
    Today, 02:47 AM Go to last post
  3. My first big tev kicked my butt.

    Started by ksefan, 08-16-2019 08:07 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 556
    Today, 02:28 AM Go to last post
  4. flaring tool option

    Started by nytech28, 08-12-2019 11:32 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 421
    Today, 02:08 AM Go to last post
  5. Alum micro channel fix

    Started by Snapperhead, Yesterday 05:51 PM
    • Replies: 6
    • Views: 134
    Today, 01:50 AM Go to last post
  6. Fan delay in cooling mode

    Started by Noname81, 08-16-2019 01:23 PM
    • Replies: 9
    • Views: 267
    Yesterday, 09:37 PM Go to last post
  7. Condenser Head Pressure

    Started by BRX, Yesterday 11:06 AM
    • Replies: 12
    • Views: 224
    Yesterday, 08:44 PM Go to last post
  8. Water cooled Minisplit?

    Started by anthonyac1, Yesterday 02:46 PM
    • Replies: 5
    • Views: 125
    Yesterday, 08:07 PM Go to last post
  9. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 9
    • Views: 332
    Yesterday, 07:15 PM Go to last post
  10. Carrier 920499 Thermostat

    Started by d.or, Yesterday 01:02 PM
    • Replies: 1
    • Views: 80
    Yesterday, 01:17 PM Go to last post
  11. Low discharge and suction pressures

    Started by jwhitecnc, 08-07-2019 11:10 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 1,115
    Yesterday, 11:48 AM Go to last post
  12. Topped up 407C with 404A

    Started by StudentGUY, Yesterday 04:24 AM
    • Replies: 3
    • Views: 152
    Yesterday, 07:37 AM Go to last post
  13. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,130
    08-18-2019, 07:29 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: 17
    • Views: 562
    08-18-2019, 06:50 PM Go to last post
  15. tapping into drain lines

    Started by nytech28, 08-17-2019 01:35 PM
    • Replies: 7
    • Views: 316
    08-17-2019, 11:19 PM Go to last post
  16. Start-up technician

    Started by Takete, 08-15-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 539
    08-17-2019, 07:47 AM Go to last post
  17. Carrier 6T Blower

    Started by Guyinfield, 08-15-2019 10:24 AM
    • Replies: 4
    • Views: 246
    08-17-2019, 07:41 AM Go to last post
  18. MUA unit's eefect on a load calculaiton

    Started by weebitdry, 08-16-2019 10:54 AM
    • Replies: 3
    • Views: 171
    08-16-2019, 10:24 PM Go to last post
  19. Fulton Boiler

    Started by Bennyj96, 08-13-2019 07:15 PM
    • Replies: 2
    • Views: 203
    08-16-2019, 10:18 PM Go to last post
  20. 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: 12,694
    08-16-2019, 07:25 AM Go to last post
  21. Trane TCH180 rooftop fleet

    Started by CNSTech, 08-15-2019 09:56 PM
    • Replies: 0
    • Views: 152
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 223
    08-15-2019, 12:57 PM Go to last post
  22. Low head pressure, high suction pressure...

    Started by CDune, 08-08-2019 10:09 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 656
    08-14-2019, 12:56 AM Go to last post
  23. Carrier split low suction

    Started by Muchoextremo, 08-13-2019 10:56 PM
    • Replies: 5
    • Views: 212
    08-14-2019, 12:55 AM Go to last post
  24. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,015
    08-13-2019, 08:37 PM Go to last post
  25. Plugeed up Low Fire Orifces on Maxon Burners.

    Started by cshipley17, 08-12-2019 03:00 PM
    • Replies: 10
    • Views: 247
    08-13-2019, 03:47 PM Go to last post
  26. refrigerant leak sealer

    Started by nytech28, 08-04-2019 08:04 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,164
    08-13-2019, 01:19 PM Go to last post
  27. Geothermal system with WSHPs

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 337
    08-13-2019, 11:11 AM Go to last post
  28. Confused York Rooftop troubleshooting needed

    Started by hans-hvacr, 08-09-2019 09:34 PM
    • Replies: 4
    • Views: 312
    08-12-2019, 04:19 PM Go to last post
  29. York Rooftop Unit Flash Code 11 Economizer

    Started by tbak, 05-27-2016 11:44 PM
    • Replies: 4
    • Views: 2,428
    08-12-2019, 04:12 PM Go to last post
  30. Reversing valve question

    Started by tomnkc, 08-09-2019 01:28 PM
    • Replies: 7
    • Views: 343
    08-12-2019, 11:17 AM Go to last post
  31. need to size ac system

    Started by nytech28, 08-10-2019 12:15 PM
    • Replies: 2
    • Views: 247
    08-10-2019, 04:48 PM Go to last post
  32. Damper Lubricant

    Started by TAC Service, 07-23-2019 05:20 PM
    • Replies: 11
    • Views: 665
    08-10-2019, 11:39 AM Go to last post
  33. Daikin wmc chiller

    Started by Britt Cockrell, 07-03-2019 11:36 AM
    • Replies: 12
    • Views: 881
    08-09-2019, 11:15 PM Go to last post
    • Replies: 4
    • Views: 196
    08-09-2019, 11:12 PM Go to last post
  34. Confused Daikin chiller unit

    Started by Luis33162, 07-30-2019 05:04 PM
    • Replies: 12
    • Views: 517
    08-09-2019, 10:48 PM Go to last post
  35. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 479
    08-09-2019, 01:19 PM Go to last post
  36. Help Indentifying This Unit

    Started by paklein, 08-09-2019 09:40 AM
    • Replies: 4
    • Views: 266
    08-09-2019, 01:15 PM Go to last post
  37. Anyone know BTU for this compressor

    Started by yg1box, 08-07-2019 11:04 PM
    • Replies: 11
    • Views: 307
    08-09-2019, 09:18 AM Go to last post
  38. Partial power failure

    Started by BuildingMech88, 08-08-2019 08:20 PM
    • Replies: 7
    • Views: 259
    08-09-2019, 09:14 AM Go to last post
  39. Application chemical product

    Started by marioc68, 09-19-2018 08:43 PM
    • Replies: 4
    • Views: 709
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 492
    08-07-2019, 08:40 PM Go to last post
  40. YORK YCIV0177 AIR COOLED CHILLERS

    Started by OLD BALD ONE, 08-04-2019 11:38 AM
    • Replies: 4
    • Views: 262
    08-07-2019, 06:12 PM Go to last post
  41. How to get into commercial from residential?

    Started by sea-sparrow, 08-02-2019 10:59 PM
    • Replies: 5
    • Views: 407
    08-07-2019, 10:13 AM Go to last post
  42. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 08:04 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 6,518
    08-07-2019, 09:09 AM Go to last post
  43. Water in Gas Piping for a Maxon Burner

    Started by cshipley17, 07-30-2019 09:39 AM
    • Replies: 12
    • Views: 473
    08-07-2019, 07:52 AM Go to last post
  44. Does this drive look repairable?

    Started by Dacman, 07-29-2019 07:21 PM
    • Replies: 6
    • Views: 550
    08-06-2019, 05:05 PM Go to last post
  45. Gauges v. Atmosphere

    Started by ClimateCntrlr, 08-02-2019 06:14 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 653
    08-05-2019, 10:05 AM Go to last post
  46. Goodman heat pump

    Started by drage93, 07-30-2019 11:33 PM
    • Replies: 10
    • Views: 569
    08-04-2019, 07:04 PM Go to last post
  47. trane 15 ton

    Started by COOLJIM, 07-29-2019 10:05 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 757
    08-03-2019, 08:35 AM Go to last post

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