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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. Inconsistent ground reading

    Started by Luchda, 06-06-2023 10:07 AM
    1 Attachment(s)
    • Replies: 10
    • Views: 890
    hvacrmedic
    06-07-2023, 07:18 PM Go to last post

  3. TuffLok - Any experiences? RefLok - Any lawsuit info?

    Started by highcountryhvac, 06-02-2023 11:13 AM
    • Replies: 17
    • Views: 1,300
    VTP99
    06-04-2023, 10:41 AM Go to last post

  4. Service Fee Question

    Started by Chrissy81181, 06-01-2023 04:02 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 906
    pecmsg
    06-04-2023, 08:02 AM Go to last post

  5. Rooftop compressor

    Started by MechaTom, 08-05-2014 07:06 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 35
    • Views: 14,697
    Gary Warren Jr
    06-03-2023, 04:18 PM Go to last post

  6. Hydronic System - Routing - Air Trap issue

    Started by kvusal, 05-31-2023 04:10 AM
    • Replies: 9
    • Views: 658
    pecmsg
    06-02-2023, 07:51 AM Go to last post

  7. comms board fied

    Started by dan AMT, 06-01-2023 02:02 PM
    • Replies: 4
    • Views: 404
    pecmsg
    06-01-2023, 04:14 PM Go to last post

  8. Trane 10 ton schrader question

    Started by Buckeye88, 03-31-2023 08:55 AM
    4 Attachment(s)
    • Replies: 19
    • Views: 2,115
    crazzycajun
    06-01-2023, 11:06 AM Go to last post

  9. Multiple Circuits — 9 ton Packaged Unit

    Started by lumpypudding, 05-29-2023 11:56 AM
    1 Attachment(s)
    • Replies: 9
    • Views: 1,132
    VTP99
    05-30-2023, 07:12 AM Go to last post

  10. R-22 conversion

    Started by free cooling, 05-22-2023 08:19 PM
    • Replies: 5
    • Views: 1,002
    dougfamous
    05-29-2023, 12:18 AM Go to last post

  11. Emerson Copeland Defrost Timer Will Not Go Into Defrost

    Started by FedPrisonACTECH, 05-28-2023 05:06 PM
    • Replies: 4
    • Views: 672
    VTP99
    05-28-2023, 11:36 PM Go to last post

  12. What would cause a compressor terminal ejection?

    Started by Tree_Phase, 05-21-2023 04:35 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 38
    • Views: 2,508
    pecmsg
    05-28-2023, 12:00 PM Go to last post

  13. is oversizing a drive ok?

    Started by Jpalmer408, 05-23-2023 05:37 PM
    1 Attachment(s)
    • Replies: 13
    • Views: 1,130
    crazzycajun
    05-25-2023, 05:53 PM Go to last post

  14. Trane UCP board not giving 24 volts

    Started by EazyCold, 05-21-2023 08:05 PM
    • Replies: 5
    • Views: 1,041
    rundawg
    05-24-2023, 12:31 PM Go to last post

  15. Angry The Micrometl ERV

    Started by HydralyyX, 05-22-2023 10:46 AM
    • Replies: 2
    • Views: 664
    HydralyyX
    05-22-2023, 11:18 AM Go to last post

  16. Mitsubishi

    Started by Spitz, 05-20-2023 08:14 PM
    • Replies: 16
    • Views: 1,058
    Tree_Phase
    05-22-2023, 03:04 AM Go to last post

  17. Mini-Splits in Industrial Enviroment

    Started by cshipley17, 08-05-2019 10:11 PM
    • Replies: 14
    • Views: 3,543
    the Coilmasters
    05-18-2023, 12:14 PM Go to last post

  18. Moved: Looking for info on Keeprite fan coils.

    Started by thump_rrr, 05-18-2023 10:06 AM
    •  
    •  

  19. Fat Ivan door stop

    Started by 71CHOPS, 05-18-2023 12:01 AM
    1 Attachment(s)
    • Replies: 9
    • Views: 661
    pecmsg
    05-18-2023, 09:00 AM Go to last post

  20. Error code not in manual!

    Started by maintmech, 12-05-2022 01:06 PM
    • Replies: 10
    • Views: 2,074
    numbawunfela
    05-18-2023, 08:44 AM Go to last post

  21. Need McQuay Manuals

    Started by NewGuy757, 05-16-2023 02:25 PM
    • Replies: 9
    • Views: 755
    NewGuy757
    05-17-2023, 10:43 PM Go to last post

  22. Evaporator freezing in production room

    Started by MZap, 05-09-2023 08:44 PM
    4 Pages •
    1 2 3 4
    2 Attachment(s)
    • Replies: 63
    • Views: 2,137
    VTP99
    05-12-2023, 08:29 PM Go to last post

  23. Will it effectively remove air?

    Started by MItech123, 05-08-2023 05:16 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 20
    • Views: 1,177
    MItech123
    05-10-2023, 06:26 PM Go to last post

  24. YCD300 UCP

    Started by bluelinetodd, 05-09-2023 10:06 PM
    • Replies: 3
    • Views: 490
    bluelinetodd
    05-10-2023, 10:35 AM Go to last post

  25. Old PoolPak Dehumidifier

    Started by hotel_guy, 05-08-2023 04:15 PM
    • Replies: 3
    • Views: 566
    DeltaT
    05-09-2023, 02:11 AM Go to last post

  26. High EWT to chiller

    Started by GeorgeFincher, 05-03-2023 12:05 PM
    • Replies: 8
    • Views: 1,044
    dlove
    05-08-2023, 08:36 AM Go to last post

  27. any other Nest thermostat problem reported?

    Started by cfe, 05-23-2014 12:17 AM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 6,258
    BBeerme
    05-08-2023, 08:12 AM Go to last post

  28. Engineering debate

    Started by Rusty Capacitor, 05-05-2023 11:48 AM
    • Replies: 12
    • Views: 1,039
    BBeerme
    05-08-2023, 07:51 AM Go to last post

  29. Glycol loop issues.

    Started by Dave0707, 04-09-2023 09:11 PM
    • Replies: 9
    • Views: 1,642
    BigDanB
    05-07-2023, 06:21 PM Go to last post

  30. Trane blower wheels exploding in short time period.

    Started by KB Cool, 05-01-2023 11:27 PM
    3 Pages •
    1 2 3
    7 Attachment(s)
    • Replies: 41
    • Views: 1,939
    dougfamous
    05-06-2023, 06:42 PM Go to last post

  31. Anyone use the uei dl599 meter?

    Started by MItech123, 05-04-2023 07:48 PM
    • Replies: 4
    • Views: 817
    takoateli
    05-05-2023, 03:47 PM Go to last post

  32. R290 VS R22

    Started by Mohammed Nofal, 03-30-2013 08:59 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 40
    • Views: 35,728
    itsiceman
    05-02-2023, 02:51 PM Go to last post

  33. Mitsubishi maintenance tool

    Started by licensed to chill, 04-28-2023 06:14 PM
    • Replies: 5
    • Views: 1,574
    narkom
    05-02-2023, 02:35 PM Go to last post

  34. Draft motor relay

    Started by Muddbutt69, 05-01-2023 09:31 PM
    • Replies: 6
    • Views: 665
    BNME8EZ
    05-02-2023, 11:09 AM Go to last post

  35. Airsys chiller parts Medicool 10.0 P6 R407c

    Started by jimp, 12-19-2018 05:10 PM
    • Replies: 3
    • Views: 2,569
    pecmsg
    04-28-2023, 02:49 PM Go to last post

  36. Suction ESR valve novar com loss

    Started by Droze, 04-28-2023 01:06 PM
    • Replies: 0
    • Views: 378
    Droze
    04-28-2023, 01:06 PM Go to last post

  37. Mitsubishi – City Multi – Smoke/Duct Detector input?

    Started by Dan_G, 04-21-2023 08:33 PM
    3 Attachment(s)
    • Replies: 15
    • Views: 3,038
    Dan_G
    04-26-2023, 06:19 PM Go to last post

  38. Honeywell Jade W7220 Economizer Module

    Started by drage93, 04-23-2023 02:27 PM
    • Replies: 6
    • Views: 3,550
    71CHOPS
    04-25-2023, 09:31 AM Go to last post

  39. Exclamation Horror Stories - Mislabeled and Unlabeled Commercial HVAC Equipment

    Started by BP_FTM, 04-18-2023 12:36 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 3,972
    71CHOPS
    04-25-2023, 12:46 AM Go to last post

  40. Sizing fans for a constant volume system

    Started by jonslinn, 04-21-2023 02:14 PM
    • Replies: 8
    • Views: 1,130
    jonslinn
    04-24-2023, 10:07 AM Go to last post

  41. Polyolester oil recycling

    Started by nonickname, 04-18-2021 02:31 AM
    • Replies: 18
    • Views: 7,915
    ga-hvac-tech
    04-24-2023, 09:31 AM Go to last post
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