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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. Copeland digital scroll controller

    Started by hvac17011, 10-02-2018 06:50 PM
    • Replies: 4
    • Views: 2,540
    heatingman
    10-04-2018, 08:43 PM Go to last post

  3. Duct Design Question

    Started by michigan1, 09-28-2018 04:39 PM
    • Replies: 10
    • Views: 1,567
    hvacker
    10-03-2018, 01:11 PM Go to last post

  4. Palm Beach Refrigeration

    Started by edyspaghetti, 10-01-2018 12:39 PM
    • Replies: 10
    • Views: 1,437
    Poodle Head Mikey
    10-02-2018, 04:27 PM Go to last post

  5. Innovative Technology

    Started by ben9108, 10-02-2018 12:30 PM
    • Replies: 0
    • Views: 804
    ben9108
    10-02-2018, 12:30 PM Go to last post

  6. Single phase condenser grounded b service

    Started by Spitz, 09-28-2018 12:03 AM
    • Replies: 10
    • Views: 2,278
    servicefitter
    10-01-2018, 07:10 PM Go to last post

  7. Preventing ice formation in counterflow cooling tower..

    Started by rebar, 09-25-2018 01:31 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 3,331
    Suncity
    09-30-2018, 11:57 AM Go to last post

  8. Problem of two fans design for a new AHU

    Started by ben9108, 09-25-2018 09:32 PM
    • Replies: 9
    • Views: 1,510
    Suncity
    09-30-2018, 11:02 AM Go to last post

  9. Dual circuit Trane comp. btu’s?

    Started by anthonyac1, 09-22-2018 01:08 PM
    5 Attachment(s)
    • Replies: 18
    • Views: 3,177
    timebuilder
    09-30-2018, 08:32 AM Go to last post

  10. Just dosent make sense

    Started by Servicetech72, 09-28-2018 01:23 PM
    • Replies: 3
    • Views: 1,222
    Servicetech72
    09-28-2018, 01:44 PM Go to last post

  11. Diffuser hanging?

    Started by fan in the can, 09-25-2018 08:54 PM
    • Replies: 2
    • Views: 1,099
    SeampYankee
    09-26-2018, 09:06 PM Go to last post

  12. A/C size question

    Started by roverholt, 09-25-2018 10:28 AM
    • Replies: 4
    • Views: 965
    beenthere
    09-26-2018, 05:43 AM Go to last post

  13. Pelican Wireless Thermostats / controls

    Started by BrokenHart, 05-15-2017 10:34 PM
    • Replies: 1
    • Views: 2,318
    ericsscs
    09-25-2018, 04:18 PM Go to last post

  14. Flow issues

    Started by Bglenn525, 09-24-2018 07:15 PM
    • Replies: 14
    • Views: 1,787
    btuhack
    09-24-2018, 11:13 PM Go to last post

  15. Black Iron pipe in a open tank chiller

    Started by jimp, 09-21-2018 08:35 PM
    • Replies: 11
    • Views: 2,097
    heatingman
    09-24-2018, 05:06 PM Go to last post

  16. alltemp R-22 Alternate Refrigerant

    Started by eljr, 11-05-2016 05:10 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 24
    • Views: 9,120
    VTP99
    09-24-2018, 04:44 PM Go to last post

  17. Why the value of pump / fan law is different from fan / pump curve

    Started by ben9108, 08-27-2018 07:58 AM
    • Replies: 9
    • Views: 2,329
    WAYNE3298
    09-23-2018, 09:59 PM Go to last post

  18. Libert challenger 3000 compressor not shutting off

    Started by justabluecollar, 09-21-2018 11:51 AM
    • Replies: 13
    • Views: 3,145
    BennyD
    09-23-2018, 12:10 PM Go to last post

  19. Why do we control AHU fans to duct static pressure

    Started by dglenn9000, 09-11-2018 03:23 PM
    • Replies: 10
    • Views: 4,726
    WAYNE3298
    09-22-2018, 04:09 PM Go to last post

  20. Sporlan threaded sight glass leaks

    Started by Shreadhead, 09-05-2018 10:43 PM
    • Replies: 11
    • Views: 2,857
    EugeneTheJeep
    09-22-2018, 02:52 PM Go to last post

  21. Fresh air or air to air exchanger

    Started by uffdanow00, 08-16-2018 02:18 PM
    • Replies: 9
    • Views: 1,875
    coolcoil
    09-22-2018, 02:11 PM Go to last post

  22. Need engineering data on York Chiller

    Started by Oodly, 09-15-2018 06:19 PM
    • Replies: 3
    • Views: 1,243
    coolcoil
    09-22-2018, 01:56 PM Go to last post

  23. Fire Damper for Dish Washer Duct

    Started by Gautham_HVAC, 09-21-2018 01:23 AM
    • Replies: 5
    • Views: 3,379
    pecmsg
    09-22-2018, 08:28 AM Go to last post

  24. Liebert BUo42A-CAEI SERIAL 518975-001

    Started by davidh929, 09-19-2018 09:29 AM
    • Replies: 4
    • Views: 1,658
    davidh929
    09-21-2018, 08:55 PM Go to last post

  25. McQuay ALS 186 Chiller

    Started by dyoung9121, 09-21-2018 05:25 PM
    • Replies: 1
    • Views: 937
    poppa
    09-21-2018, 05:35 PM Go to last post

  26. Delta DNT-T103 Room temperature controller lock-out procedure

    Started by Leouisse, 09-21-2018 10:45 AM
    • Replies: 0
    • Views: 1,274
    Leouisse
    09-21-2018, 10:45 AM Go to last post

  27. *YORK* YSDB Oil Heater

    Started by wunschchad, 09-20-2018 11:31 AM
    • Replies: 1
    • Views: 1,485
    jayguy
    09-20-2018, 04:32 PM Go to last post

  28. Frown payment problem!

    Started by david170, 09-18-2018 06:55 PM
    2 Pages •
    1 2
    • Replies: 30
    • Views: 3,290
    BBeerme
    09-19-2018, 08:15 PM Go to last post

  29. Kitchen CHILLED WATER COIL Dirty/Plugged

    Started by randee, 09-19-2018 11:07 AM
    • Replies: 1
    • Views: 776
    handyandyva
    09-19-2018, 08:14 PM Go to last post

  30. restricted chilled water lines

    Started by anthonyac1, 09-03-2018 02:40 PM
    • Replies: 17
    • Views: 6,145
    Ambition
    09-18-2018, 10:42 PM Go to last post

  31. How do I determine what size txv is needed for a unit?

    Started by Rusty Capacitor, 09-09-2018 12:39 PM
    • Replies: 6
    • Views: 13,724
    handyandyva
    09-18-2018, 06:35 PM Go to last post

  32. Hand Rigging Setup for Light Commercial

    Started by KidderTX, 09-16-2018 02:56 PM
    • Replies: 5
    • Views: 1,382
    servicefitter
    09-18-2018, 11:41 AM Go to last post

  33. ICE-Con burner setup software

    Started by LordHuey, 02-11-2013 12:54 PM
    • Replies: 11
    • Views: 5,376
    adam_s05
    09-17-2018, 12:31 PM Go to last post

  34. Has anyone used R407c PLUS?

    Started by anthonyac1, 09-15-2018 09:08 PM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 5,550
    BBeerme
    09-17-2018, 09:32 AM Go to last post

  35. WHATS THE MOST EXPENSIVE TOOL YOU HAVE LOST?

    Started by handyandyva, 09-15-2018 02:21 PM
    • Replies: 11
    • Views: 2,914
    itsiceman
    09-17-2018, 08:41 AM Go to last post

  36. Question Is Job Link paid subscription worth it?

    Started by handyandyva, 09-15-2018 02:00 PM
    • Replies: 1
    • Views: 925
    heatingman
    09-16-2018, 08:51 AM Go to last post

  37. Lennox L-Series RTU Blower Dilema

    Started by Mileo407, 07-24-2018 09:07 AM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 20
    • Views: 4,678
    timebuilder
    09-16-2018, 07:01 AM Go to last post

  38. Average life span of carrier rooftop package units

    Started by heating_chicago, 09-15-2018 02:34 PM
    • Replies: 6
    • Views: 4,284
    Mike19
    09-16-2018, 12:39 AM Go to last post

  39. The BlueBook 2 year contract

    Started by HE>I, 09-13-2018 08:01 PM
    • Replies: 1
    • Views: 857
    heatingman
    09-15-2018, 08:34 PM Go to last post

  40. What is this?

    Started by Fender60, 09-04-2018 05:59 PM
    2 Pages •
    1 2
    • Replies: 30
    • Views: 5,920
    heating_chicago
    09-15-2018, 03:05 PM Go to last post

  41. Trane RTU freezing headers

    Started by 3.14, 08-29-2018 05:39 PM
    • Replies: 8
    • Views: 4,165
    DDCSD
    09-14-2018, 09:08 PM Go to last post
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