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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: 13,906
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Alum micro channel fix

    Started by Snapperhead, 08-19-2019 05:51 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 83
    • Views: 1,490
    Today, 08:10 PM Go to last post
  3. Confused problem after problem.. help please

    Started by beahrdog, Yesterday 12:56 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 386
    Today, 06:09 PM Go to last post
  4. Carrier 920499 Thermostat

    Started by d.or, 08-19-2019 01:02 PM
    • Replies: 9
    • Views: 242
    Today, 03:56 PM Go to last post
    • Replies: 2
    • Views: 76
    Today, 01:01 PM Go to last post
  5. Any suggestion to dirty coil issues

    Started by windpoint, 08-04-2019 12:30 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 1,785
    Today, 11:44 AM Go to last post
  6. Question Maneurop Compressor MT 250 Filled With Water

    Started by E&E, 08-20-2019 06:53 PM
    • Replies: 9
    • Views: 215
    Today, 09:18 AM Go to last post
  7. Cleaver Brooks Hawk

    Started by jman2794, 05-03-2019 11:58 AM
    • Replies: 3
    • Views: 810
    Yesterday, 12:17 AM Go to last post
  8. Condenser Head Pressure

    Started by BRX, 08-19-2019 11:06 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 492
    08-20-2019, 11:07 PM Go to last post
  9. Start-up technician

    Started by Takete, 08-15-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 679
    08-20-2019, 09:24 PM Go to last post
  10. Contactor wont pull it

    Started by Spitz, 08-09-2019 10:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,156
    08-20-2019, 09:01 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: 550
    08-20-2019, 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: 381
    08-20-2019, 06:59 PM Go to last post
  13. Copeland Recip Burnt terminals

    Started by OhioTech, 08-16-2019 11:39 AM
    • Replies: 10
    • Views: 404
    08-20-2019, 06:24 PM Go to last post
    • Replies: 6
    • Views: 275
    08-20-2019, 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: 735
    08-20-2019, 02:28 AM Go to last post
  15. Water cooled Minisplit?

    Started by anthonyac1, 08-19-2019 02:46 PM
    • Replies: 5
    • Views: 171
    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: 1,199
    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: 192
    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: 5,200
    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: 599
    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: 351
    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: 271
    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: 197
    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: 223
    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: 12,815
    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: 169
    08-15-2019, 09:56 PM Go to last post
    • Replies: 3
    • Views: 247
    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: 684
    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: 239
    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: 271
    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: 1,227
    08-13-2019, 01:19 PM Go to last post
  30. Geothermal system with WSHPs

    Started by Mr. Nobody, 08-07-2019 10:45 AM
    • Replies: 11
    • Views: 349
    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: 346
    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: 2,474
    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: 375
    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: 283
    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: 696
    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: 906
    08-09-2019, 11:15 PM Go to last post
    • Replies: 4
    • Views: 225
    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: 545
    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: 507
    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: 298
    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: 328
    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: 279
    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: 727
    08-08-2019, 05:59 PM Go to last post
    • Replies: 13
    • Views: 518
    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: 279
    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: 431
    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: 6,574
    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: 498
    08-07-2019, 07:52 AM Go to last post

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