Page 1 of 105 123456781151101 ... LastLast
Threads 1 to 50 of 5226

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: 10,756
    Dad
    08-10-2011, 04:34 PM Go to last post

  1. Normal Thread Normal Threads

  2. Rusted compressor stub - leaking

    Started by Jigjoe, Yesterday 02:01 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 187
    BBeerme
    Today, 12:20 PM Go to last post

  3. York Service Manual 160.80-M1

    Started by koolaid747, 01-08-2013 09:35 AM
    2 Pages •
    1 2
    • Replies: 18
    • Views: 7,388
    Chillerman007
    Yesterday, 05:10 PM Go to last post

  4. Erie pop top actuator

    Started by Bglenn525, 04-17-2018 07:32 PM
    • Replies: 4
    • Views: 166
    dave1234
    Yesterday, 08:52 AM Go to last post

  5. Need Help With job

    Started by rvandervelden, 04-04-2016 06:28 PM
    4 Pages •
    1 2 3 4
    • Replies: 46
    • Views: 5,412
    tcy612
    04-17-2018, 03:56 PM Go to last post

  6. CRAC Shaft

    Started by Tommytools, 04-12-2018 07:35 AM
    • Replies: 7
    • Views: 423
    Tommytools
    04-16-2018, 07:31 AM Go to last post

  7. Belimo new Energy Valves (PICCV) reliability/service/maintenance input needed

    Started by heresjohnnyb, 04-12-2018 09:50 AM
    • Replies: 2
    • Views: 184
    MT1
    04-15-2018, 10:32 PM Go to last post

  8. Daikin SCUD

    Started by Texa$HVACTech, 04-07-2018 12:24 PM
    • Replies: 3
    • Views: 310
    Texa$HVACTech
    04-15-2018, 09:24 AM Go to last post

  9. Carriers W7220 Economizer

    Started by robertmb3, 04-09-2018 08:44 PM
    • Replies: 5
    • Views: 339
    pacnw
    04-11-2018, 08:20 AM Go to last post

  10. Rebuilding Steam Valve

    Started by BrotatoChip, 04-10-2018 11:30 AM
    • Replies: 6
    • Views: 257
    Tommytools
    04-11-2018, 07:56 AM Go to last post

  11. Red Seal exam questions

    Started by northernfitter, 03-14-2016 12:50 PM
    • Replies: 3
    • Views: 856
    timebuilder
    04-10-2018, 06:26 PM Go to last post

  12. Vari-Trane VAV noise

    Started by tchntch, 12-08-2012 10:46 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 36
    • Views: 11,022
    Willys_4
    04-10-2018, 12:43 PM Go to last post

  13. Who knows York programming

    Started by Snapperhead, 06-21-2017 09:48 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 18
    • Views: 1,021
    airc2
    04-08-2018, 04:52 PM Go to last post

  14. Trane tracer manual needed

    Started by anthonyac1, 04-03-2018 07:41 PM
    1 Attachment(s)
    • Replies: 11
    • Views: 366
    dave1234
    04-08-2018, 10:18 AM Go to last post

  15. Need Assistance Trane Reliatel New Unit Install

    Started by JAYYJR, 03-19-2018 07:56 PM
    2 Pages •
    1 2
    • Replies: 14
    • Views: 706
    StillKicking
    04-07-2018, 03:34 PM Go to last post

  16. This is why Preventive Maintenance is a waste of money.

    Started by Mike19, 08-21-2014 12:16 AM
    6 Pages •
    1 2 3 4 5 6
    • Replies: 71
    • Views: 13,965
    BBeerme
    04-07-2018, 01:49 PM Go to last post

  17. Commercial HVAC tools

    Started by Nando17, 03-12-2018 12:11 AM
    3 Pages •
    1 2 3
    • Replies: 35
    • Views: 2,009
    Texa$HVACTech
    04-07-2018, 01:42 PM Go to last post

  18. Liebert system 3 (older interface)

    Started by Jigjoe, 04-04-2018 02:43 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 320
    hands
    04-07-2018, 08:48 AM Go to last post

  19. 502 converted to 408A centrifuge (missing info) help

    Started by dart289, 03-29-2018 09:19 AM
    2 Pages •
    1 2
    blast freezers 1 Attachment(s)
    • Replies: 20
    • Views: 611
    crazzycajun
    04-06-2018, 03:40 PM Go to last post

  20. McQuay WSC063 help

    Started by JLHook, 04-05-2018 05:45 PM
    • Replies: 4
    • Views: 215
    Tommytools
    04-06-2018, 07:38 AM Go to last post

  21. Evacuating Multi City Unit

    Started by Noobie861, 04-02-2018 04:24 PM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 691
    slctech
    04-05-2018, 02:27 PM Go to last post

  22. Brazing cast iron

    Started by TURBOFIRE, 03-20-2018 11:02 AM
    • Replies: 11
    • Views: 698
    bustawrench1
    04-04-2018, 10:25 PM Go to last post

  23. Is a twinning kit always needed with system that does not have twinning terminals?

    Started by mccann, 03-31-2018 06:08 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 14
    • Views: 581
    ugottabkidnme
    04-04-2018, 11:41 AM Go to last post

  24. Pilot tube gas pressure

    Started by Bglenn525, 03-29-2018 09:23 PM
    • Replies: 7
    • Views: 405
    hvacskills
    04-04-2018, 08:47 AM Go to last post

  25. Question On A New Unit - Split Off

    Started by singlephaser, 03-08-2018 07:44 AM
    5 Pages •
    1 2 3 4 5
    2 Attachment(s)
    • Replies: 52
    • Views: 1,394
    JeepersKreepers
    04-03-2018, 10:12 AM Go to last post

  26. Need a Fan Curve

    Started by WAYNE3298, 04-02-2018 11:38 AM
    • Replies: 8
    • Views: 236
    WAYNE3298
    04-02-2018, 08:04 PM Go to last post

  27. Scroll with start capacitor..would appreciate input

    Started by DeltaT, 04-02-2018 02:12 PM
    6 Attachment(s)
    • Replies: 8
    • Views: 274
    DeltaT
    04-02-2018, 05:55 PM Go to last post

  28. Switching motor speeds with relay

    Started by Oodly, 03-30-2018 07:40 PM
    • Replies: 10
    • Views: 437
    R123
    04-01-2018, 03:35 PM Go to last post

  29. Bluon r-G8 Refrigerant....

    Started by ems4ty, 10-17-2012 10:55 PM
    6 Pages •
    1 2 3 4 5 6
    2 Attachment(s)
    • Replies: 76
    • Views: 15,163
    itsiceman
    03-31-2018, 08:13 AM Go to last post

  30. New energy standards

    Started by Bglenn525, 03-28-2018 06:43 PM
    • Replies: 1
    • Views: 237
    BrotatoChip
    03-28-2018, 08:52 PM Go to last post

  31. Trane CRHM150 shaking

    Started by Wallywimple, 03-27-2018 01:33 PM
    • Replies: 4
    • Views: 325
    ga1279
    03-27-2018, 06:06 PM Go to last post

  32. Air rotation unit motor problem

    Started by hvac17011, 03-21-2018 06:50 PM
    • Replies: 11
    • Views: 426
    hvac17011
    03-27-2018, 06:04 PM Go to last post

  33. Water cooled vs air cooled chillers

    Started by canadianenginer, 03-26-2018 06:20 PM
    • Replies: 6
    • Views: 336
    pecmsg
    03-27-2018, 10:43 AM Go to last post

  34. Major VRF brands in Canada

    Started by canadianenginer, 03-26-2018 06:24 PM
    • Replies: 1
    • Views: 197
    gonefsihing
    03-27-2018, 09:38 AM Go to last post

  35. BONDING corrugated stainless steal tubing ( CSST ) - gas piping

    Started by hvacskills, 03-26-2018 09:59 AM
    • Replies: 7
    • Views: 369
    HVAC_Marc
    03-27-2018, 12:04 AM Go to last post

  36. Very useful free online ductulator (ductcalc.ca)

    Started by canadianenginer, 03-26-2018 06:33 PM
    • Replies: 0
    • Views: 205
    canadianenginer
    03-26-2018, 06:33 PM Go to last post

  37. Psychrometric chart software

    Started by canadianenginer, 03-26-2018 06:32 PM
    • Replies: 0
    • Views: 206
    canadianenginer
    03-26-2018, 06:32 PM Go to last post

  38. Confused Honeywell Total Connect Comfort - Max number of Wifi Thermostats?

    Started by Zoltrix, 03-24-2018 06:33 PM
    • Replies: 1
    • Views: 265
    JoeRos
    03-26-2018, 12:53 PM Go to last post

  39. Hooking an alarm up to a condensate pump

    Started by ammoniadog, 03-08-2018 09:00 AM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 776
    CoolWine
    03-26-2018, 08:17 AM Go to last post

  40. R134a in New R410a system?

    Started by Shard, 03-26-2018 03:30 AM
    • Replies: 3
    • Views: 344
    VTP99
    03-26-2018, 04:06 AM Go to last post

  41. Goodman gaspack

    Started by Jpnc3906, 03-05-2018 11:09 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 23
    • Views: 752
    Jpnc3906
    03-25-2018, 01:56 PM Go to last post

  42. Daikin VRV System Loosing compressors

    Started by kphillips, 03-15-2018 07:54 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 18
    • Views: 885
    tech45
    03-24-2018, 10:54 PM Go to last post

  43. Mixing POE and Mineral OIL and Flushng.

    Started by norman78, 03-15-2018 02:44 AM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 837
    hvacskills
    03-23-2018, 10:50 AM Go to last post

  44. EnerNet Control System

    Started by wre2000mw, 03-22-2018 04:09 PM
    • Replies: 1
    • Views: 237
    BSU_Energy
    03-22-2018, 09:16 PM Go to last post

  45. Water source heatpump

    Started by Bglenn525, 03-12-2018 09:08 PM
    • Replies: 2
    • Views: 355
    pecmsg
    03-22-2018, 02:43 PM Go to last post

  46. Trane rooftops mo99 retrofit

    Started by jackpiner, 06-16-2017 08:54 AM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 59
    • Views: 1,596
    RefrigerantQ458
    03-22-2018, 10:15 AM Go to last post

  47. Retrofitting 100hp open drive system - Need some ideas

    Started by copperteeth, 03-16-2018 07:56 PM
    2 Pages •
    1 2
    • Replies: 13
    • Views: 714
    remanworld
    03-21-2018, 07:42 AM Go to last post

  48. Bypassing Hi/Low pressure cut offs

    Started by hurtinhvac, 03-17-2012 02:19 PM
    3 Pages •
    1 2 3
    • Replies: 29
    • Views: 15,560
    haig1
    03-20-2018, 07:59 PM Go to last post

  49. aaon model and serial nomaclature

    Started by dbooker, 03-20-2018 06:12 AM
    • Replies: 2
    • Views: 231
    Bglenn525
    03-20-2018, 07:46 PM Go to last post

  50. Looking for a copy of PDF file of code book B149-3 for G1 class

    Started by David2018, 03-20-2018 05:30 PM
    • Replies: 0
    • Views: 215
    David2018
    03-20-2018, 05:30 PM Go to last post

  51. old trane 50 ton controls and alarms

    Started by mccann, 03-15-2018 06:57 AM
    9 Attachment(s)
    • Replies: 6
    • Views: 413
    Bglenn525
    03-20-2018, 04:04 PM Go to last post
Page 1 of 105 123456781151101 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 20 replies or 150 views
Hot thread with unread posts
More than 20 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules
Contracting Business

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
HPAC Engineering