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: 241,436
    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: 27,952
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. How do I design & calculation with long refrigerant pipe line?

    Started by nuntachai, 21-05-2009 10:02 AM
    • Replies: 5
    • Views: 5,446
    icecube51
    23-05-2009, 01:04 PM Go to last post

  2. Question how do i know my system is charged well

    Started by duraid, 24-09-2005 07:24 PM
    • Replies: 19
    • Views: 5,211
    neil sailes
    29-09-2005, 07:27 PM Go to last post

  3. How do I Recharge-----

    Started by jacdu, 22-08-2006 01:59 AM
    • Replies: 7
    • Views: 2,685
    NoNickName
    09-09-2006, 12:31 PM Go to last post

  4. Question How do I recover refrigerant from a non-serviceable unit?

    Started by Newgirl, 23-05-2008 08:13 PM
    • Replies: 45
    • Views: 11,345
    star882
    09-06-2008, 10:59 PM Go to last post

  5. Unhappy how do i work my fish fridge.

    Started by vanda, 12-02-2010 11:24 PM
    • Replies: 11
    • Views: 3,051
    vanda
    14-02-2010, 07:29 PM Go to last post

  6. How do you change oil on rotary?

    Started by Raadster, 27-07-2008 05:34 PM
    • Replies: 6
    • Views: 3,590
    The MG Pony
    28-07-2008, 06:05 PM Go to last post

  7. How do you charge yours? step by step please

    Started by SkyWalker, 22-11-2009 01:17 PM
    • Replies: 5
    • Views: 2,348
    desA
    24-11-2009, 01:02 AM Go to last post

  8. How do you design/build, know if the right application?

    Started by paul_h, 04-12-2007 01:09 PM
    • Replies: 8
    • Views: 2,603
    expat
    08-12-2007, 02:12 PM Go to last post

  9. How does cooling time (pull down time) relate to Q evaporator?

    Started by cindy1, 10-12-2011 06:27 PM
    cooling capacity, cooling rate, heat transfer, pull down time
    • Replies: 4
    • Views: 4,100
    mbc
    11-02-2012, 04:31 AM Go to last post

  10. how does temp differ with out pressure

    Started by jakabus, 20-11-2010 10:53 PM
    differance, pressure, temperature
    • Replies: 12
    • Views: 9,115
    Fri3Oil System
    28-04-2011, 12:42 PM Go to last post

  11. how inverters control condensation pressure ?

    Started by Yuri B., 10-11-2012 04:00 PM
    • Replies: 5
    • Views: 2,133
    Yuri B.
    12-11-2012, 07:06 PM Go to last post

  12. How long can a compressor run?

    Started by ysh1317, 12-12-2011 07:14 AM
    • Replies: 10
    • Views: 13,784
    Carolinas
    11-05-2012, 05:04 PM Go to last post

  13. How many small strands needed to equal pipe pressure drop?

    Started by DaBit, 19-08-2003 01:09 PM
    • Replies: 17
    • Views: 6,749
    DaBit
    25-08-2003, 09:56 PM Go to last post

  14. How much compressor oil?

    Started by Wickfut, 02-03-2021 07:18 AM
    • Replies: 1
    • Views: 1,013
    Brian_UK
    02-03-2021, 01:10 PM Go to last post

  15. How much compressor power needed?

    Started by ysh1317, 10-10-2011 06:48 AM
    • Replies: 2
    • Views: 2,579
    ysh1317
    10-10-2011, 08:41 AM Go to last post

  16. How much cooling do i need?

    Started by jclevenger, 28-08-2009 01:09 PM
    • Replies: 1
    • Views: 1,293
    Peter_1
    29-08-2009, 07:15 PM Go to last post

  17. How much does a car A/C in a perfect order leak?

    Started by pwned, 08-08-2010 11:34 PM
    automotive, mvac, refrigerant leak
    • Replies: 9
    • Views: 4,229
    NoNickName
    08-09-2010, 11:20 AM Go to last post

  18. How much gas should this system take?

    Started by Simeonx1, 19-02-2012 08:20 AM
    1 Attachment(s)
    • Replies: 11
    • Views: 3,490
    Simeonx1
    04-03-2012, 07:53 AM Go to last post

  19. How much gas will be required......pleaseeee help

    Started by solankisagar, 29-11-2012 07:20 AM
    • Replies: 3
    • Views: 1,717
    Rayin
    16-12-2012, 08:04 AM Go to last post

  20. How Much Gas?

    Started by walden, 11-08-2006 08:04 AM
    • Replies: 4
    • Views: 2,402
    xavierdomine
    13-09-2006, 07:47 PM Go to last post

  21. How much liquid?

    Started by Drew, 05-04-2014 11:27 PM
    • Replies: 6
    • Views: 1,858
    Magoo
    07-04-2014, 04:20 AM Go to last post

  22. How much power do the comp add to the system?

    Started by Henry., 25-10-2010 08:27 PM
    • Replies: 13
    • Views: 3,016
    Henry.
    01-11-2010, 08:17 AM Go to last post

  23. Question How much varies when it comes to differant styles of systems?

    Started by jakabus, 14-06-2010 08:41 AM
    refrigerant, refrigeration
    • Replies: 5
    • Views: 2,248
    young gun
    21-07-2010, 02:27 PM Go to last post

  24. How often would you change the compressor oil for a air cooled chiller?

    Started by ivanbulmer, 30-10-2016 10:30 AM
    oil, replacement
    • Replies: 4
    • Views: 4,459
    A.Mortezania
    27-02-2017, 09:21 AM Go to last post

  25. Angry How the refrigerator is less humid than outside

    Started by Abu Bakar, 19-06-2003 03:06 AM
    • Replies: 0
    • Views: 7,120
    Abu Bakar
    19-06-2003, 03:06 AM Go to last post

  26. how to abtain middle evap. or cond. temperature in Cascade system?

    Started by Richard Z, 15-12-2008 08:54 AM
    • Replies: 0
    • Views: 1,543
    Richard Z
    15-12-2008, 08:54 AM Go to last post

  27. how to apply for ASHRAE members

    Started by Lc_shi, 09-08-2008 09:24 AM
    • Replies: 1
    • Views: 1,715
    Brian_UK
    09-08-2008, 10:50 PM Go to last post

  28. How to assign thermodynamic properties after splitting two phase into gas and liquid

    Started by Chef, 19-08-2011 10:55 PM
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 134
    • Views: 24,050
    desA
    27-08-2011, 05:25 AM Go to last post

  29. how to calculate actual air cooled condenser TD.

    Started by beeran, 17-08-2013 01:46 PM
    • Replies: 7
    • Views: 10,508
    D.D.KORANNE
    20-09-2013, 10:45 AM Go to last post

  30. how to calculate compressor capacity

    Started by piyushmechnitdg, 03-03-2009 04:03 PM
    • Replies: 2
    • Views: 12,749
    amitsaxena
    10-03-2009, 12:46 PM Go to last post

  31. How to calculate condensing unit and cooling coil?

    Started by ysh1317, 17-01-2012 11:36 AM
    • Replies: 6
    • Views: 4,576
    mad fridgie
    01-02-2012, 08:24 PM Go to last post

  32. Unhappy how to calculate cooling time needed?

    Started by 27143721, 14-06-2006 06:15 AM
    • Replies: 9
    • Views: 6,909
    Lc_shi
    15-06-2006, 06:54 AM Go to last post

  33. Lightbulb How to calculate gas top up (R22)

    Started by DannySwain, 21-05-2005 07:02 PM
    • Replies: 32
    • Views: 14,504
    botrous
    26-05-2005, 11:00 AM Go to last post

  34. How to Calculate Kw or BTU

    Started by Simeonx1, 17-11-2012 02:44 AM
    • Replies: 3
    • Views: 3,060
    sterl
    19-11-2012, 10:22 PM Go to last post

  35. How To Calculate PDU and Kw For Coldroom Without Software?

    Started by hongyunref, 23-04-2013 02:26 AM
    calculation, fundamentals
    • Replies: 5
    • Views: 3,578
    HVACRAU
    18-06-2013, 07:40 AM Go to last post

  36. How to calculate properly massflow of water with a given air humidity and velocity?

    Started by Kristof Papp, 08-10-2017 02:29 AM
    air, humidity, massflow, vapor, water
    • Replies: 0
    • Views: 1,401
    Kristof Papp
    08-10-2017, 02:29 AM Go to last post

  37. How to calculate pull-down time

    Started by cwells, 09-08-2013 11:11 PM
    • Replies: 1
    • Views: 3,876
    mad fridgie
    10-08-2013, 01:55 AM Go to last post

  38. How to calculate refrigerant charge required?

    Started by refriengr, 06-06-2008 02:44 PM
    • Replies: 9
    • Views: 40,155
    desA
    28-10-2009, 07:56 AM Go to last post

  39. How To Calculate RH% ?

    Started by hongyunref, 16-04-2013 09:34 AM
    fundamentals, humidity
    • Replies: 2
    • Views: 4,289
    Brian_UK
    16-04-2013, 11:42 PM Go to last post

  40. how to calculate system capacity

    Started by pramodpatil, 09-06-2009 05:54 AM
    • Replies: 3
    • Views: 8,035
    pramodpatil
    17-06-2009, 10:38 AM Go to last post

  41. How to calculate the compressor power for this?

    Started by ysh1317, 08-08-2012 11:51 AM
    • Replies: 3
    • Views: 2,974
    Sandro Baptista
    20-09-2012, 01:06 PM Go to last post

  42. Question how to calculate the length of evapurator

    Started by heanboon, 13-10-2001 08:05 AM
    • Replies: 2
    • Views: 13,229
    Derek
    17-10-2001, 12:36 PM Go to last post

  43. How to Calculate the Sizes of the Receiver?

    Started by Appleton, 24-03-2008 07:17 PM
    • Replies: 3
    • Views: 2,438
    Appleton
    17-04-2008, 03:42 AM Go to last post

  44. Question how to calculate the suction,discharge,and liquid line capacities

    Started by Jiazi, 07-06-2013 03:24 PM
    4 Attachment(s)
    • Replies: 1
    • Views: 2,552
    Jiazi
    08-06-2013, 03:58 AM Go to last post

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

    Started by tiffanysmith, 02-06-2011 09:11 PM
    • Replies: 2
    • Views: 7,708
    s1030
    15-06-2011, 08:41 AM Go to last post

  46. How to calculate usage of a refrigerator?

    Started by tim126, 29-07-2010 02:40 PM
    • Replies: 7
    • Views: 17,567
    nike123
    30-07-2010, 04:26 AM Go to last post

  47. how to calculate weight of refrigerant

    Started by steven86, 01-08-2007 05:44 PM
    • Replies: 11
    • Views: 6,103
    squil
    13-09-2007, 09:05 AM Go to last post

  48. 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: 7,632
    icecube51
    26-08-2010, 01:47 PM Go to last post

  49. how to charge 2 to split ac unit in heating mode

    Started by kefah, 09-12-2012 09:13 PM
    • Replies: 7
    • Views: 3,605
    kefah
    17-01-2013, 10:00 PM Go to last post

  50. How to charge exactly small amount of refrigerant into ultra low temperature freezer?

    Started by gesi, 01-11-2020 08:59 PM
    3 Attachment(s)
    • Replies: 5
    • Views: 2,470
    Brian_UK
    08-03-2021, 07:00 PM Go to last post

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