Forum: Fundamentals

  1. Sticky Thread Sticky: Refrigeration 101

    Started by Gary, 05-07-2009 05:21 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 201
    • Views: 235,843
    L-PLATES
    01-11-2011, 10:18 PM Go to last post

  2. Thumbs up Sticky Thread Sticky: Safety of Society - The Role of the Engineer

    Started by Josip, 17-05-2011 08:16 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 27,408
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. Why the expansion valve is in the outdoor unit in split a/c?

    Started by pathum619, 05-08-2013 03:55 PM
    • Replies: 11
    • Views: 7,914
    The MG Pony
    10-08-2013, 05:35 PM Go to last post

  2. Oilchange, how to ?

    Started by Challenger, 14-10-2012 11:16 PM
    3 Attachment(s)
    • Replies: 13
    • Views: 7,907
    mikeref
    18-10-2012, 03:32 AM Go to last post

  3. Air Throw

    Started by herdian, 24-09-2007 10:52 AM
    • Replies: 6
    • Views: 7,856
    herdian
    27-09-2007, 08:51 AM Go to last post

  4. Question Anyone interested in helping me with my project? -40c cold plate

    Started by brad11160, 14-05-2013 12:08 PM
    4 Attachment(s)
    • Replies: 23
    • Views: 7,847
    Tesla
    22-05-2013, 12:17 AM Go to last post

  5. Return gas temperature

    Started by skyboy6142, 24-10-2020 11:48 AM
    • Replies: 3
    • Views: 7,845
    HwT
    28-10-2020, 08:24 PM Go to last post

  6. condensor- temp effect on amount of liquid

    Started by kfjoe, 05-08-2006 06:11 PM
    1 Attachment(s)
    • Replies: 17
    • Views: 7,844
    skinnymanpig
    26-01-2009, 11:54 PM Go to last post

  7. nitrogen purging

    Started by freezy, 18-05-2005 12:24 AM
    • Replies: 21
    • Views: 7,804
    chilly
    30-08-2005, 10:34 AM Go to last post

  8. Question Thermostat cut in and cut out

    Started by kilini, 02-08-2014 10:02 AM
    thermostat settings vt9
    • Replies: 4
    • Views: 7,799
    kilini
    03-08-2014, 11:08 AM Go to last post

  9. Estimation of Gas charge for Screw Chillers

    Started by tadipatrir, 20-07-2007 10:58 AM
    • Replies: 8
    • Views: 7,795
    mohamed khamis
    22-07-2007, 07:36 AM Go to last post

  10. HGBP valve application

    Started by Lc_shi, 26-10-2005 03:21 AM
    • Replies: 5
    • Views: 7,775
    US Iceman
    28-10-2005, 02:26 AM Go to last post

  11. Whats the correct procedure for R22

    Started by cold as ice, 11-11-2006 10:46 PM
    • Replies: 19
    • Views: 7,772
    mcjo tech
    18-11-2006, 06:11 AM Go to last post

  12. Vacuum test

    Started by Peter_1, 28-09-2006 07:56 AM
    • Replies: 15
    • Views: 7,746
    Peter_1
    13-10-2006, 09:04 PM Go to last post

  13. Question HPWH issue

    Started by Lc_shi, 07-05-2005 05:52 AM
    • Replies: 32
    • Views: 7,733
    NoNickName
    05-05-2006, 07:21 AM Go to last post

  14. Sight glass , Flashing ?

    Started by kfjoe, 09-02-2004 07:14 PM
    • Replies: 15
    • Views: 7,728
    shogun7
    14-02-2004, 04:41 AM Go to last post

  15. Question Frigories Unit?

    Started by Farhan Shaikh, 26-04-2008 11:06 PM
    • Replies: 3
    • Views: 7,690
    Argus
    27-04-2008, 02:18 PM Go to last post

  16. Sound pressure level

    Started by Aik, 31-08-2020 07:48 AM
    • Replies: 2
    • Views: 7,684
    Aik
    01-09-2020, 07:27 AM Go to last post

  17. Water Cooler Design

    Started by Rayin, 13-03-2007 08:21 AM
    • Replies: 4
    • Views: 7,681
    Rayin
    14-03-2007, 06:17 AM Go to last post

  18. How to calculate the surface area of a finned tube?

    Started by tiffanysmith, 02-06-2011 09:11 PM
    • Replies: 2
    • Views: 7,673
    s1030
    15-06-2011, 08:41 AM Go to last post

  19. Differential pressure switch testing them?

    Started by moondawn, 13-10-2010 08:37 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 7,651
    NoNickName
    15-10-2010, 05:31 PM Go to last post

  20. Question Modifying cabinet temps

    Started by james, 23-04-2002 05:03 PM
    • Replies: 16
    • Views: 7,637
    Simon Butler
    01-05-2002, 08:49 PM Go to last post

  21. Pimp my Husky / Eliwell ID961plus

    Started by BrianFWombat, 15-11-2010 12:27 PM
    1 Attachment(s)
    • Replies: 25
    • Views: 7,633
    BrianFWombat
    19-11-2010, 03:51 PM Go to last post

  22. effect of humidity on ammonia

    Started by skyboy6142, 19-10-2020 08:58 AM
    • Replies: 3
    • Views: 7,633
    Tycho
    20-10-2020, 02:03 PM Go to last post

  23. solar fridge design project

    Started by kgmilano, 18-08-2010 08:30 PM
    • Replies: 21
    • Views: 7,630
    kgmilano
    06-09-2010, 09:26 AM Go to last post

  24. Recovery of R23

    Started by Chris7, 25-03-2010 04:51 PM
    • Replies: 5
    • Views: 7,625
    Gramstrup
    13-04-2010, 08:57 PM Go to last post

  25. Oversized Liquid Recievers?? Problems??

    Started by nickjh, 08-06-2007 06:56 AM
    • Replies: 12
    • Views: 7,620
    old gas bottle
    12-06-2007, 07:54 AM Go to last post

  26. pressure drop of pump return line ammonia

    Started by Moeller, 27-04-2003 07:46 PM
    • Replies: 5
    • Views: 7,607
    Magoo
    04-09-2007, 05:21 AM Go to last post

  27. gravity coil

    Started by nh3simman, 12-10-2008 05:29 AM
    • Replies: 5
    • Views: 7,598
    nh3simman
    25-10-2008, 02:09 PM Go to last post

  28. Can you check superheat for Cap Tube system?

    Started by Jinu0808, 15-01-2006 04:53 PM
    • Replies: 8
    • Views: 7,596
    Peter_1
    28-01-2006, 11:11 AM Go to last post

  29. Liquid subcooling real or not

    Started by mad fridgie, 03-09-2009 10:42 AM
    • Replies: 37
    • Views: 7,589
    mad fridgie
    06-09-2009, 12:25 AM Go to last post

  30. first estimate of system charge

    Started by cool-hvacer, 24-12-2008 08:49 PM
    • Replies: 25
    • Views: 7,584
    nike123
    03-02-2009, 10:34 AM Go to last post

  31. Psychrometrics

    Started by Prof Sporlan, 07-06-2001 03:42 AM
    • Replies: 12
    • Views: 7,581
    Prof Sporlan
    01-12-2001, 06:48 PM Go to last post

  32. Domestic Refrigeration R600a Question

    Started by Mad_angler1, 31-07-2012 09:32 AM
    • Replies: 6
    • Views: 7,581
    Tayters
    11-09-2012, 08:00 PM Go to last post

  33. Heat Transfer Exam Question

    Started by alexdouglas1969, 24-03-2007 03:22 PM
    • Replies: 10
    • Views: 7,570
    Gary
    13-12-2008, 04:19 PM Go to last post

  34. air cooled condenser size calc????

    Started by keerth1986, 22-04-2010 11:37 AM
    • Replies: 4
    • Views: 7,570
    moideen
    24-04-2010, 06:03 AM Go to last post

  35. hotgas and crank case pressure regulator

    Started by abbasi, 24-02-2006 11:52 AM
    1 Attachment(s)
    • Replies: 8
    • Views: 7,556
    US Iceman
    27-02-2006, 01:54 PM Go to last post

  36. Smile How to change (retrofit) a quite a meat cooler with R12 to r134a system.

    Started by Ray Vella, 11-07-2010 06:57 AM
    • Replies: 15
    • Views: 7,550
    icecube51
    26-08-2010, 01:47 PM Go to last post

  37. Fault Diagnosis Flow Chart

    Started by Blueboy, 13-01-2010 07:01 AM
    • Replies: 3
    • Views: 7,542
    R. skiffington
    20-01-2010, 09:01 AM Go to last post

  38. Carrier 30HZ 065 pro-dialog

    Started by CuGe, 09-04-2006 11:00 PM
    • Replies: 4
    • Views: 7,530
    hiitsme
    11-04-2006, 01:11 PM Go to last post

  39. Hermetic pumps » suction line

    Started by Sandro Baptista, 31-01-2011 11:29 AM
    5 Attachment(s)
    • Replies: 24
    • Views: 7,510
    Josip
    08-02-2011, 09:01 PM Go to last post

  40. Martin Hou equation of state for 134a

    Started by rays17, 18-02-2011 08:13 AM
    • Replies: 1
    • Views: 7,497
    mecks
    22-02-2011, 09:30 AM Go to last post

  41. EAV2-0200-CAB-200 Copeland Copelamatic USA

    Started by dongbadz, 18-03-2011 11:21 PM
    • Replies: 4
    • Views: 7,487
    dongbadz
    07-04-2011, 12:06 AM Go to last post

  42. Compressor current draw

    Started by MikeHolm, 12-11-2011 05:03 PM
    2 Attachment(s)
    • Replies: 24
    • Views: 7,487
    MikeHolm
    16-11-2011, 08:49 PM Go to last post

  43. Compressor back pressure rating

    Started by Cary, 01-12-2004 12:36 PM
    • Replies: 9
    • Views: 7,475
    Peter_1
    05-12-2004, 08:42 AM Go to last post

  44. Help on Calculations

    Started by bammatt, 24-01-2011 06:42 AM
    1 Attachment(s)
    • Replies: 41
    • Views: 7,470
    MilosBog
    06-02-2011, 07:45 AM Go to last post

  45. Radiator Sizing with heat pumps???

    Started by mad fridgie, 19-01-2011 11:26 PM
    1 Attachment(s)
    • Replies: 25
    • Views: 7,461
    MilosBog
    27-01-2011, 05:16 PM Go to last post

  46. Phosphorus in oil?

    Started by brazer, 17-01-2011 03:57 PM
    • Replies: 10
    • Views: 7,437
    Magoo
    19-01-2011, 01:13 AM Go to last post

  47. condenser subcooling

    Started by claude11, 09-11-2007 02:46 PM
    • Replies: 12
    • Views: 7,427
    Peter_1
    16-11-2007, 08:19 AM Go to last post

  48. Treated Fresh Air Duct

    Started by Sumit, 10-01-2013 05:24 PM
    • Replies: 7
    • Views: 7,417
    Sumit
    21-01-2013, 05:25 AM Go to last post

  49. welding whit nitrogen

    Started by icecube51, 27-07-2009 05:48 PM
    • Replies: 15
    • Views: 7,388
    steele3923
    04-10-2010, 02:43 AM Go to last post

  50. DX coil distributor issue

    Started by Lc_shi, 16-11-2005 06:56 AM
    • Replies: 2
    • Views: 7,387
    US Iceman
    16-11-2005, 01:03 PM Go to last post

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