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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 or Homeowner posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 42,919
    Dad
    08-10-2011, 04:34 PM Go to last post

  1. Normal Thread Normal Threads

  2. Siemens rt dzc wiring help

    Started by djmitchell1987, 03-11-2024 12:43 PM
    • Replies: 2
    • Views: 203
    djmitchell1987
    03-11-2024, 12:51 PM Go to last post

  3. Confused 2001 Trane 90 ton RTU Heatsetpoint

    Started by Backergr, 03-06-2024 11:19 AM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 39
    • Views: 1,383
    heatingman
    03-08-2024, 08:36 PM Go to last post

  4. Water condenser water filter

    Started by tin_basher, 02-12-2024 03:47 PM
    • Replies: 12
    • Views: 812
    tin_basher
    03-08-2024, 12:10 PM Go to last post

  5. Belimo valve size vs actuator inlb’s

    Started by MItech123, 03-07-2024 05:33 PM
    • Replies: 5
    • Views: 210
    71CHOPS
    03-08-2024, 08:52 AM Go to last post

  6. Expansion tanks

    Started by Cisco007, 03-03-2024 07:59 AM
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 48
    • Views: 1,208
    TechmanTery
    03-08-2024, 06:47 AM Go to last post

  7. Manifold gas pressure adjustment caps stuck

    Started by djmitchell1987, 12-15-2023 01:00 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 25
    • Views: 1,297
    mike3
    03-06-2024, 05:26 PM Go to last post

  8. Rheem rtu vfd exploded, anyone know of any known issues with these??

    Started by djmitchell1987, 03-04-2024 03:59 PM
    rheem rtu variable frequency drive explosion
    • Replies: 3
    • Views: 381
    djmitchell1987
    03-05-2024, 11:18 PM Go to last post

  9. 3 phase to single phase

    Started by MItech123, 03-02-2024 12:44 PM
    • Replies: 10
    • Views: 604
    Farpoint
    03-04-2024, 11:55 PM Go to last post

  10. 380V 60Hz motor connected to 460V 60Hz Supply - Will it work?

    Started by santos2024, 02-26-2024 01:23 AM
    • Replies: 19
    • Views: 948
    Jay Cee
    03-02-2024, 03:59 PM Go to last post

  11. ACH550 No Power Test

    Started by dschiffer, 02-27-2024 01:14 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 393
    Nuclrchiller
    02-27-2024, 03:33 PM Go to last post

  12. Danfoss LCP What are these lights?

    Started by dschiffer, 02-21-2024 08:34 PM
    2 Attachment(s)
    • Replies: 3
    • Views: 396
    dschiffer
    02-27-2024, 12:17 PM Go to last post

  13. Bitzer Compressor Oil-Flooded

    Started by CEM2000, 02-23-2024 05:12 PM
    2 Pages •
    1 2
    • Replies: 28
    • Views: 949
    71CHOPS
    02-26-2024, 11:56 PM Go to last post

  14. Line reactor to protect AHU VFD from surges

    Started by Mark_B, 01-29-2024 02:52 AM
    1 Attachment(s)
    • Replies: 19
    • Views: 1,181
    EnergyTransfer
    02-26-2024, 01:35 AM Go to last post

  15. Post HVAC Qualifier

    Started by hvac-orlando, 02-25-2024 03:23 PM
    • Replies: 0
    • Views: 370
    hvac-orlando
    02-25-2024, 03:23 PM Go to last post

  16. Spraying duct sealant - light commercial duct installs

    Started by Mark_B, 02-23-2024 01:03 AM
    • Replies: 0
    • Views: 240
    Mark_B
    02-23-2024, 01:03 AM Go to last post

  17. Hmm Software used in your business

    Started by oryxhornhvac, 02-22-2024 01:11 PM
    • Replies: 2
    • Views: 314
    Jay Cee
    02-23-2024, 12:18 AM Go to last post

  18. Poll Poll: Would you replace the compressor?

    Started by disciple, 02-21-2024 05:04 PM
    • Replies: 8
    • Views: 613
    Jay Cee
    02-23-2024, 12:07 AM Go to last post

  19. Daikin vrv hand held tool/programmer.

    Started by anthonyac1, 08-04-2022 09:44 AM
    • Replies: 12
    • Views: 2,259
    Kelon873
    02-22-2024, 02:41 PM Go to last post

  20. Customer requires inclusive Hourly Rate

    Started by aaafs, 02-12-2024 10:22 PM
    • Replies: 8
    • Views: 642
    2sac
    02-21-2024, 09:13 PM Go to last post

  21. Moisture in PVE oil

    Started by Phenom, 02-18-2024 09:03 AM
    • Replies: 18
    • Views: 789
    TechmanTery
    02-21-2024, 03:26 PM Go to last post

  22. Gasket material

    Started by Dogbones, 02-21-2024 11:35 AM
    gasket, material, refrigerant
    • Replies: 4
    • Views: 235
    crazzycajun
    02-21-2024, 02:02 PM Go to last post

  23. Freezer With Two Scroll Compressors

    Started by Bill mcC, 11-17-2023 11:59 PM
    5 Pages •
    1 2 3 4 5
    22 Attachment(s)
    • Replies: 88
    • Views: 5,425
    Jay Cee
    02-21-2024, 11:27 AM Go to last post

  24. Code question

    Started by Jessea1015, 02-17-2024 10:09 AM
    • Replies: 13
    • Views: 803
    jtrammel
    02-18-2024, 08:58 PM Go to last post

  25. Trane intellipak very intermittent trip help.

    Started by Bank Sinatra, 02-18-2022 10:45 AM
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 26
    • Views: 2,880
    FloridaManHVACR
    02-18-2024, 10:59 AM Go to last post

  26. Carrier Axial vane fan motors

    Started by Zenith, 01-30-2024 07:32 AM
    • Replies: 8
    • Views: 602
    Phenom
    02-18-2024, 09:06 AM Go to last post

  27. 410A heat pump heating output vs outdoor temp

    Started by Sryan42, 02-15-2024 08:43 PM
    • Replies: 4
    • Views: 520
    rundawg
    02-17-2024, 09:06 AM Go to last post

  28. Cooling load estimation

    Started by ben9108, 06-30-2018 10:02 AM
    3 Pages •
    1 2 3
    • Replies: 46
    • Views: 4,275
    Bill mcC
    02-15-2024, 05:09 PM Go to last post

  29. Lennox Commercial Units

    Started by Air Therm, 02-15-2024 09:24 AM
    • Replies: 10
    • Views: 380
    2sac
    02-15-2024, 01:05 PM Go to last post

  30. First refrigeration call. Please help me understand

    Started by Lounge Fly, 02-09-2024 07:22 PM
    3 Pages •
    1 2 3
    • Replies: 42
    • Views: 1,292
    BBeerme
    02-11-2024, 03:28 PM Go to last post

  31. Controls: Two Fan Coil Units running at partial capacity - until one fails

    Started by Mark_B, 01-20-2024 01:02 AM
    • Replies: 11
    • Views: 458
    stomachbuzz
    02-10-2024, 06:48 PM Go to last post

  32. Through wall spiral duct

    Started by Dehno, 02-17-2014 11:31 AM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 20
    • Views: 15,383
    kdean1
    02-09-2024, 09:24 PM Go to last post

  33. Expectations and opinion

    Started by hvaclifer507, 02-07-2024 06:23 PM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 660
    BBeerme
    02-09-2024, 10:22 AM Go to last post

  34. Belt Tension

    Started by mjohnson2981, 01-27-2024 11:18 AM
    2 Attachment(s)
    • Replies: 12
    • Views: 834
    ksefan
    02-08-2024, 12:05 PM Go to last post

  35. Confused new to this

    Started by walmarttechwash, 02-07-2024 10:04 AM
    • Replies: 2
    • Views: 299
    heatingman
    02-07-2024, 05:54 PM Go to last post

  36. PowerFlame JR50A Pilot Ignition Failure

    Started by colnago, 02-05-2024 05:41 PM
    • Replies: 13
    • Views: 712
    colnago
    02-07-2024, 07:55 AM Go to last post

  37. Ecorcirc xl 55 45

    Started by DFields, 02-06-2024 03:32 PM
    • Replies: 0
    • Views: 157
    DFields
    02-06-2024, 03:32 PM Go to last post

  38. SMARDT Chiller experience

    Started by HVACVET58, 01-28-2024 01:38 PM
    • Replies: 7
    • Views: 595
    hands
    02-05-2024, 12:53 PM Go to last post

  39. Question FLAMES NOT PULLING THROUGH EXCHANGER

    Started by ChicagoReachout, 01-15-2024 06:39 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 30
    • Views: 1,514
    Farpoint
    02-04-2024, 07:02 PM Go to last post

  40. Perforated metal airflow

    Started by MItech123, 01-27-2024 02:03 PM
    2 Attachment(s)
    • Replies: 9
    • Views: 494
    MItech123
    02-04-2024, 12:32 PM Go to last post

  41. Angry Will upsizing our PTACs solve our summer heat issue in Las Vegas?

    Started by Pcmaker, 10-22-2023 10:20 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 27
    • Views: 8,470
    Red850kid
    02-04-2024, 07:07 AM Go to last post
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