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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: 13,891
    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
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 1,655
    Today, 02:22 PM Go to last post
  3. Alum micro channel fix

    Started by Snapperhead, 08-19-2019 05:51 PM
    4 Pages
    1 2 3 4
    • Replies: 49
    • Views: 740
    Today, 01:45 PM Go to last post
  4. Confused problem after problem.. help please

    Started by beahrdog, Today 12:56 AM
    • Replies: 5
    • Views: 155
    Today, 11:46 AM Go to last post
  5. Carrier 920499 Thermostat

    Started by d.or, 08-19-2019 01:02 PM
    • Replies: 8
    • Views: 198
    Today, 11:39 AM Go to last post
  6. Cleaver Brooks Hawk

    Started by jman2794, 05-03-2019 11:58 AM
    • Replies: 3
    • Views: 782
    Today, 12:17 AM Go to last post
  7. Condenser Head Pressure

    Started by BRX, 08-19-2019 11:06 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 442
    Yesterday, 11:07 PM Go to last post
  8. Start-up technician

    Started by Takete, 08-15-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 637
    Yesterday, 09:24 PM Go to last post
  9. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,091
    Yesterday, 09:01 PM Go to last post
  10. Question Maneurop Compressor MT 250 Filled With Water

    Started by E&E, Yesterday 06:53 PM
    • Replies: 8
    • Views: 152
    Yesterday, 08:26 PM Go to last post
  11. flaring tool option

    Started by nytech28, 08-12-2019 11:32 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 509
    Yesterday, 07:36 PM Go to last post
  12. Fan delay in cooling mode

    Started by Noname81, 08-16-2019 01:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 342
    Yesterday, 06:59 PM Go to last post
  13. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 10
    • Views: 378
    Yesterday, 06:24 PM Go to last post
    • Replies: 6
    • Views: 251
    Yesterday, 02:47 AM Go to last post
  14. My first big tev kicked my butt.

    Started by ksefan, 08-16-2019 08:07 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 693
    Yesterday, 02:28 AM Go to last post
  15. Water cooled Minisplit?

    Started by anthonyac1, 08-19-2019 02:46 PM
    • Replies: 5
    • Views: 154
    08-19-2019, 08:07 PM Go to last post
  16. Low discharge and suction pressures

    Started by jwhitecnc, 08-07-2019 11:10 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 1,157
    08-19-2019, 11:48 AM Go to last post
  17. Topped up 407C with 404A

    Started by StudentGUY, 08-19-2019 04:24 AM
    • Replies: 3
    • Views: 171
    08-19-2019, 07:37 AM Go to last post
  18. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,167
    08-18-2019, 07:29 PM Go to last post
  19. Indoor humidity VS Evaporator Split

    Started by greenhorn520, 08-07-2019 11:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 572
    08-18-2019, 06:50 PM Go to last post
  20. tapping into drain lines

    Started by nytech28, 08-17-2019 01:35 PM
    • Replies: 7
    • Views: 332
    08-17-2019, 11:19 PM Go to last post
  21. Carrier 6T Blower

    Started by Guyinfield, 08-15-2019 10:24 AM
    • Replies: 4
    • Views: 255
    08-17-2019, 07:41 AM Go to last post
  22. MUA unit's eefect on a load calculaiton

    Started by weebitdry, 08-16-2019 10:54 AM
    • Replies: 3
    • Views: 181
    08-16-2019, 10:24 PM Go to last post
  23. Fulton Boiler

    Started by Bennyj96, 08-13-2019 07:15 PM
    • Replies: 2
    • Views: 212
    08-16-2019, 10:18 PM Go to last post
  24. 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: 12,757
    08-16-2019, 07:25 AM Go to last post
  25. Trane TCH180 rooftop fleet

    Started by CNSTech, 08-15-2019 09:56 PM
    • Replies: 0
    • Views: 158
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 230
    08-15-2019, 12:57 PM Go to last post
  26. Low head pressure, high suction pressure...

    Started by CDune, 08-08-2019 10:09 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 668
    08-14-2019, 12:56 AM Go to last post
  27. Carrier split low suction

    Started by Muchoextremo, 08-13-2019 10:56 PM
    • Replies: 5
    • Views: 225
    08-14-2019, 12:55 AM Go to last post
  28. Plugeed up Low Fire Orifces on Maxon Burners.

    Started by cshipley17, 08-12-2019 03:00 PM
    • Replies: 10
    • Views: 257
    08-13-2019, 03:47 PM Go to last post
  29. refrigerant leak sealer

    Started by nytech28, 08-04-2019 08:04 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,202
    08-13-2019, 01:19 PM Go to last post
  30. Geothermal system with WSHP’s

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 339
    08-13-2019, 11:11 AM Go to last post
  31. Confused York Rooftop troubleshooting needed

    Started by hans-hvacr, 08-09-2019 09:34 PM
    • Replies: 4
    • Views: 322
    08-12-2019, 04:19 PM Go to last post
  32. York Rooftop Unit Flash Code 11 Economizer

    Started by tbak, 05-27-2016 11:44 PM
    • Replies: 4
    • Views: 2,447
    08-12-2019, 04:12 PM Go to last post
  33. Reversing valve question

    Started by tomnkc, 08-09-2019 01:28 PM
    • Replies: 7
    • Views: 350
    08-12-2019, 11:17 AM Go to last post
  34. need to size ac system

    Started by nytech28, 08-10-2019 12:15 PM
    • Replies: 2
    • Views: 257
    08-10-2019, 04:48 PM Go to last post
  35. Damper Lubricant

    Started by TAC Service, 07-23-2019 05:20 PM
    • Replies: 11
    • Views: 679
    08-10-2019, 11:39 AM Go to last post
  36. Daikin wmc chiller

    Started by Britt Cockrell, 07-03-2019 11:36 AM
    • Replies: 12
    • Views: 889
    08-09-2019, 11:15 PM Go to last post
    • Replies: 4
    • Views: 206
    08-09-2019, 11:12 PM Go to last post
  37. Confused Daikin chiller unit

    Started by Luis33162, 07-30-2019 05:04 PM
    • Replies: 12
    • Views: 529
    08-09-2019, 10:48 PM Go to last post
  38. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 488
    08-09-2019, 01:19 PM Go to last post
  39. Help Indentifying This Unit

    Started by paklein, 08-09-2019 09:40 AM
    • Replies: 4
    • Views: 275
    08-09-2019, 01:15 PM Go to last post
  40. Anyone know BTU for this compressor

    Started by yg1box, 08-07-2019 11:04 PM
    • Replies: 11
    • Views: 313
    08-09-2019, 09:18 AM Go to last post
  41. Partial power failure

    Started by BuildingMech88, 08-08-2019 08:20 PM
    • Replies: 7
    • Views: 265
    08-09-2019, 09:14 AM Go to last post
  42. Application chemical product

    Started by marioc68, 09-19-2018 08:43 PM
    • Replies: 4
    • Views: 714
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 503
    08-07-2019, 08:40 PM Go to last post
  43. YORK YCIV0177 AIR COOLED CHILLERS

    Started by OLD BALD ONE, 08-04-2019 11:38 AM
    • Replies: 4
    • Views: 268
    08-07-2019, 06:12 PM Go to last post
  44. How to get into commercial from residential?

    Started by sea-sparrow, 08-02-2019 10:59 PM
    • Replies: 5
    • Views: 415
    08-07-2019, 10:13 AM Go to last post
  45. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 08:04 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 6,547
    08-07-2019, 09:09 AM Go to last post
  46. Water in Gas Piping for a Maxon Burner

    Started by cshipley17, 07-30-2019 09:39 AM
    • Replies: 12
    • Views: 481
    08-07-2019, 07:52 AM Go to last post
  47. Does this drive look repairable?

    Started by Dacman, 07-29-2019 07:21 PM
    • Replies: 6
    • Views: 559
    08-06-2019, 05:05 PM Go to last post

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