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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: 13,919
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Confused problem after problem.. help please

    Started by beahrdog, 08-21-2019 12:56 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 638
    Today, 07:15 AM Go to last post
  3. 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: 1,891
    Today, 01:56 AM Go to last post
    • Replies: 9
    • Views: 156
    Today, 12:05 AM Go to last post
  4. Water cooled Minisplit?

    Started by anthonyac1, 08-19-2019 02:46 PM
    • Replies: 6
    • Views: 216
    Yesterday, 06:48 PM Go to last post
  5. York classroom unit ventilator pneumatic controls

    Started by john120, 08-22-2019 10:05 AM
    • Replies: 3
    • Views: 133
    Yesterday, 06:45 PM Go to last post
  6. 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: 2,213
    Yesterday, 01:49 PM Go to last post
  7. flaring tool option

    Started by nytech28, 08-12-2019 11:32 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 615
    08-22-2019, 10:20 PM Go to last post
  8. Carrier 920499 Thermostat

    Started by d.or, 08-19-2019 01:02 PM
    • Replies: 9
    • Views: 260
    08-22-2019, 03:56 PM Go to last post
  9. Question Maneurop Compressor MT 250 Filled With Water

    Started by E&E, 08-20-2019 06:53 PM
    • Replies: 9
    • Views: 241
    08-22-2019, 09:18 AM Go to last post
  10. Cleaver Brooks Hawk

    Started by jman2794, 05-03-2019 11:58 AM
    • Replies: 3
    • Views: 829
    08-21-2019, 12:17 AM Go to last post
  11. Condenser Head Pressure

    Started by BRX, 08-19-2019 11:06 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 525
    08-20-2019, 11:07 PM Go to last post
  12. Start-up technician

    Started by Takete, 08-15-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 710
    08-20-2019, 09:24 PM Go to last post
  13. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,196
    08-20-2019, 09:01 PM Go to last post
  14. Fan delay in cooling mode

    Started by Noname81, 08-16-2019 01:23 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 411
    08-20-2019, 06:59 PM Go to last post
  15. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 10
    • Views: 425
    08-20-2019, 06:24 PM Go to last post
    • Replies: 6
    • Views: 292
    08-20-2019, 02:47 AM Go to last post
  16. My first big tev kicked my butt.

    Started by ksefan, 08-16-2019 08:07 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 766
    08-20-2019, 02:28 AM Go to last post
  17. Low discharge and suction pressures

    Started by jwhitecnc, 08-07-2019 11:10 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 1,223
    08-19-2019, 11:48 AM Go to last post
  18. Topped up 407C with 404A

    Started by StudentGUY, 08-19-2019 04:24 AM
    • Replies: 3
    • Views: 214
    08-19-2019, 07:37 AM Go to last post
  19. Package units Superheat/Subcooling readings

    Started by Junior1983, 06-26-2015 09:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 5,228
    08-18-2019, 07:29 PM Go to last post
  20. Indoor humidity VS Evaporator Split

    Started by greenhorn520, 08-07-2019 11:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 622
    08-18-2019, 06:50 PM Go to last post
  21. tapping into drain lines

    Started by nytech28, 08-17-2019 01:35 PM
    • Replies: 7
    • Views: 363
    08-17-2019, 11:19 PM Go to last post
  22. Carrier 6T Blower

    Started by Guyinfield, 08-15-2019 10:24 AM
    • Replies: 4
    • Views: 285
    08-17-2019, 07:41 AM Go to last post
  23. MUA unit's eefect on a load calculaiton

    Started by weebitdry, 08-16-2019 10:54 AM
    • Replies: 3
    • Views: 209
    08-16-2019, 10:24 PM Go to last post
  24. Fulton Boiler

    Started by Bennyj96, 08-13-2019 07:15 PM
    • Replies: 2
    • Views: 236
    08-16-2019, 10:18 PM Go to last post
  25. 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: 12,870
    08-16-2019, 07:25 AM Go to last post
  26. Trane TCH180 rooftop fleet

    Started by CNSTech, 08-15-2019 09:56 PM
    • Replies: 0
    • Views: 188
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 260
    08-15-2019, 12:57 PM Go to last post
  27. Low head pressure, high suction pressure...

    Started by CDune, 08-08-2019 10:09 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 702
    08-14-2019, 12:56 AM Go to last post
  28. Carrier split low suction

    Started by Muchoextremo, 08-13-2019 10:56 PM
    • Replies: 5
    • Views: 252
    08-14-2019, 12:55 AM Go to last post
  29. Plugeed up Low Fire Orifces on Maxon Burners.

    Started by cshipley17, 08-12-2019 03:00 PM
    • Replies: 10
    • Views: 288
    08-13-2019, 03:47 PM Go to last post
  30. refrigerant leak sealer

    Started by nytech28, 08-04-2019 08:04 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,256
    08-13-2019, 01:19 PM Go to last post
  31. Geothermal system with WSHP’s

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 359
    08-13-2019, 11:11 AM Go to last post
  32. Confused York Rooftop troubleshooting needed

    Started by hans-hvacr, 08-09-2019 09:34 PM
    • Replies: 4
    • Views: 367
    08-12-2019, 04:19 PM Go to last post
  33. York Rooftop Unit Flash Code 11 Economizer

    Started by tbak, 05-27-2016 11:44 PM
    • Replies: 4
    • Views: 2,493
    08-12-2019, 04:12 PM Go to last post
  34. Reversing valve question

    Started by tomnkc, 08-09-2019 01:28 PM
    • Replies: 7
    • Views: 393
    08-12-2019, 11:17 AM Go to last post
  35. need to size ac system

    Started by nytech28, 08-10-2019 12:15 PM
    • Replies: 2
    • Views: 301
    08-10-2019, 04:48 PM Go to last post
  36. Damper Lubricant

    Started by TAC Service, 07-23-2019 05:20 PM
    • Replies: 11
    • Views: 716
    08-10-2019, 11:39 AM Go to last post
  37. Daikin wmc chiller

    Started by Britt Cockrell, 07-03-2019 11:36 AM
    • Replies: 12
    • Views: 923
    08-09-2019, 11:15 PM Go to last post
    • Replies: 4
    • Views: 238
    08-09-2019, 11:12 PM Go to last post
  38. Confused Daikin chiller unit

    Started by Luis33162, 07-30-2019 05:04 PM
    • Replies: 12
    • Views: 562
    08-09-2019, 10:48 PM Go to last post
  39. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 525
    08-09-2019, 01:19 PM Go to last post
  40. Help Indentifying This Unit

    Started by paklein, 08-09-2019 09:40 AM
    • Replies: 4
    • Views: 314
    08-09-2019, 01:15 PM Go to last post
  41. Anyone know BTU for this compressor

    Started by yg1box, 08-07-2019 11:04 PM
    • Replies: 11
    • Views: 342
    08-09-2019, 09:18 AM Go to last post
  42. Partial power failure

    Started by BuildingMech88, 08-08-2019 08:20 PM
    • Replies: 7
    • Views: 301
    08-09-2019, 09:14 AM Go to last post
  43. Application chemical product

    Started by marioc68, 09-19-2018 08:43 PM
    • Replies: 4
    • Views: 740
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 534
    08-07-2019, 08:40 PM Go to last post
  44. YORK YCIV0177 AIR COOLED CHILLERS

    Started by OLD BALD ONE, 08-04-2019 11:38 AM
    • Replies: 4
    • Views: 291
    08-07-2019, 06:12 PM Go to last post
  45. How to get into commercial from residential?

    Started by sea-sparrow, 08-02-2019 10:59 PM
    • Replies: 5
    • Views: 445
    08-07-2019, 10:13 AM Go to last post
  46. Inrush current for HVAC applications

    Started by jw-lu597, 01-28-2017 08:04 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 6,604
    08-07-2019, 09:09 AM Go to last post

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