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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: 240,223
    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: 27,807
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. non-condensable test from the low pressure side

    Started by pvl, 18-05-2018 05:45 PM
    • Replies: 22
    • Views: 20,330
    cadwaladr
    10-06-2018, 11:31 PM Go to last post

  2. Question about split systems

    Started by A.Mortezania, 08-06-2018 07:43 PM
    • Replies: 4
    • Views: 1,718
    Rob White
    09-06-2018, 05:51 PM Go to last post

  3. Pressure drop

    Started by xixxi, 18-05-2018 02:30 PM
    • Replies: 1
    • Views: 1,591
    Brian_UK
    18-05-2018, 03:28 PM Go to last post

  4. Pressure = Function of (T)

    Started by A.Mortezania, 12-05-2018 06:21 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 2,074
    deulengame
    18-05-2018, 11:04 AM Go to last post

  5. Question about air-conditioning DX evaporator

    Started by A.Mortezania, 22-01-2018 04:43 PM
    • Replies: 4
    • Views: 2,447
    ascorone
    02-05-2018, 12:10 PM Go to last post

  6. Alternatives to 404a

    Started by cadwaladr, 25-04-2018 12:18 AM
    • Replies: 2
    • Views: 1,862
    chemi-cool
    26-04-2018, 06:16 PM Go to last post

  7. 240v 60hz compressor's on 240v 50hz supply

    Started by grizwold50, 24-04-2018 02:43 PM
    • Replies: 3
    • Views: 1,903
    grizwold50
    25-04-2018, 09:28 AM Go to last post

  8. Parallel compressors

    Started by A.Mortezania, 23-04-2018 07:13 PM
    2 Attachment(s)
    • Replies: 1
    • Views: 1,567
    Brian_UK
    23-04-2018, 11:43 PM Go to last post

  9. Walk-in chill desiccant

    Started by seanf, 19-04-2018 11:24 PM
    • Replies: 2
    • Views: 1,713
    seanf
    20-04-2018, 09:54 PM Go to last post

  10. Semi-hermetic compressor and flooded evaporators

    Started by A.Mortezania, 15-02-2018 08:26 PM
    • Replies: 6
    • Views: 13,389
    Steve186
    19-04-2018, 01:55 AM Go to last post

  11. Static superheat and condensing pressure

    Started by A.Mortezania, 09-04-2018 06:44 PM
    • Replies: 4
    • Views: 2,176
    A.Mortezania
    11-04-2018, 06:07 PM Go to last post

  12. Low side maximum pressure

    Started by mfurze, 26-03-2018 10:49 AM
    • Replies: 6
    • Views: 5,863
    mfurze
    28-03-2018, 12:39 AM Go to last post

  13. Air-conditioning of air-plane

    Started by A.Mortezania, 25-03-2018 09:20 AM
    • Replies: 2
    • Views: 11,819
    Brian_UK
    25-03-2018, 03:48 PM Go to last post

  14. Centigrade VS Kelvin

    Started by A.Mortezania, 05-03-2018 08:48 PM
    • Replies: 4
    • Views: 5,602
    Josip
    19-03-2018, 12:08 PM Go to last post

  15. Blowing VS sucking type fans

    Started by A.Mortezania, 07-03-2018 05:24 PM
    • Replies: 6
    • Views: 8,549
    B G Scott
    17-03-2018, 03:25 PM Go to last post

  16. Discharge valve

    Started by A.Mortezania, 14-03-2018 05:47 PM
    • Replies: 3
    • Views: 1,898
    A.Mortezania
    15-03-2018, 06:41 PM Go to last post

  17. Job Vacancy Big green Fridge.

    Started by Grizzly, 09-03-2018 06:23 AM
    • Replies: 2
    • Views: 1,568
    Grizzly
    09-03-2018, 03:21 PM Go to last post

  18. Software for shell & tube calculation

    Started by A.Mortezania, 06-03-2018 08:08 PM
    • Replies: 3
    • Views: 1,830
    A.Mortezania
    07-03-2018, 05:06 PM Go to last post

  19. Horse power

    Started by A.Mortezania, 03-03-2018 09:37 PM
    • Replies: 12
    • Views: 3,831
    A.Mortezania
    07-03-2018, 04:57 PM Go to last post

  20. Pattern of pipes

    Started by A.Mortezania, 04-03-2018 07:34 PM
    • Replies: 2
    • Views: 1,737
    RANGER1
    04-03-2018, 11:27 PM Go to last post

  21. Cleaninig evaporative condenser

    Started by A.Mortezania, 03-03-2018 09:26 PM
    4 Attachment(s)
    • Replies: 2
    • Views: 1,806
    Brian_UK
    03-03-2018, 11:54 PM Go to last post

  22. R404a vs r22

    Started by A.Mortezania, 01-03-2018 09:08 PM
    • Replies: 1
    • Views: 2,068
    Rob White
    02-03-2018, 11:34 AM Go to last post

  23. Which one is true ?

    Started by A.Mortezania, 23-02-2018 04:38 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 3,164
    A.Mortezania
    01-03-2018, 09:07 PM Go to last post

  24. Piping

    Started by A.Mortezania, 19-02-2018 06:06 PM
    2 Attachment(s)
    • Replies: 7
    • Views: 2,574
    Glenn Moore
    21-02-2018, 08:30 PM Go to last post

  25. Exclamation Test procedure

    Started by ascorone, 05-12-2017 07:46 PM
    • Replies: 9
    • Views: 3,943
    ascorone
    05-02-2018, 08:08 AM Go to last post

  26. Question Hot gas bypass function

    Started by ascorone, 17-01-2018 09:20 AM
    defrost start, defrosting, hgbp, hot gas, hot gas bypass
    • Replies: 10
    • Views: 3,587
    ascorone
    02-02-2018, 07:08 AM Go to last post

  27. F Gas certificate for water chiller

    Started by bobjob, 31-01-2018 07:52 PM
    • Replies: 3
    • Views: 1,700
    Rob White
    01-02-2018, 08:51 PM Go to last post

  28. Check valve for discharge pipe

    Started by GENERALCOOL, 27-07-2017 07:09 PM
    3 Attachment(s)
    • Replies: 8
    • Views: 3,545
    Josip
    01-02-2018, 06:52 PM Go to last post

  29. Calculating needed cooling power

    Started by TommiL, 30-01-2018 07:04 PM
    • Replies: 3
    • Views: 1,563
    TommiL
    30-01-2018, 08:12 PM Go to last post

  30. Food safety issues

    Started by cadwaladr, 19-01-2018 12:52 AM
    • Replies: 6
    • Views: 2,209
    cadwaladr
    26-01-2018, 12:00 AM Go to last post

  31. Subcooling

    Started by A.Mortezania, 21-12-2017 01:21 PM
    • Replies: 12
    • Views: 4,130
    Segei
    24-12-2017, 01:32 PM Go to last post

  32. Share an experience with you

    Started by A.Mortezania, 21-12-2017 01:49 PM
    • Replies: 16
    • Views: 4,506
    A.Mortezania
    24-12-2017, 06:13 AM Go to last post

  33. Capital Cooling Jobs under threat.

    Started by Grizzly, 21-12-2017 04:42 PM
    • Replies: 0
    • Views: 1,300
    Grizzly
    21-12-2017, 04:42 PM Go to last post

  34. leak testing question

    Started by terminator, 21-06-2017 07:21 PM
    • Replies: 10
    • Views: 3,229
    terminator
    19-12-2017, 07:28 PM Go to last post

  35. Superheat - again!

    Started by terminator, 18-12-2017 09:15 PM
    • Replies: 4
    • Views: 1,921
    Brian_UK
    19-12-2017, 06:15 PM Go to last post

  36. Evacuation in Australia

    Started by Allrounder, 10-12-2017 12:08 AM
    • Replies: 12
    • Views: 3,554
    Tycho
    13-12-2017, 09:16 PM Go to last post

  37. Big problems please help, tinkering on this unit for 1 year and still wont work right

    Started by born2dive9702, 19-09-2017 04:18 PM
    2 Attachment(s)
    • Replies: 13
    • Views: 4,005
    tonyelian
    10-12-2017, 03:58 PM Go to last post

  38. Question about relative humidity

    Started by A.Mortezania, 27-11-2017 09:36 AM
    • Replies: 3
    • Views: 1,664
    Brian_UK
    27-11-2017, 07:44 PM Go to last post

  39. F61 Penn flow switch range adjustment at site

    Started by K.R.Iyer, 16-11-2017 04:59 AM
    1 Attachment(s)
    • Replies: 12
    • Views: 3,335
    Tycho
    22-11-2017, 05:43 PM Go to last post

  40. Inverted trap

    Started by A.Mortezania, 12-11-2017 06:11 PM
    2 Attachment(s)
    • Replies: 4
    • Views: 2,277
    Brian_UK
    13-11-2017, 07:22 PM Go to last post

  41. Model number to tell the tonnage

    Started by OkonedoCharles, 10-11-2017 02:04 PM
    • Replies: 5
    • Views: 2,434
    OkonedoCharles
    11-11-2017, 07:26 PM Go to last post

  42. Tying Condensers in Parallel.. need help/advice!

    Started by milen_d, 02-08-2017 02:46 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 2,467
    Glenn Moore
    23-10-2017, 12:24 AM Go to last post

  43. troubleshooting

    Started by markep, 29-09-2017 10:19 PM
    • Replies: 3
    • Views: 2,993
    mbc
    13-10-2017, 06:15 AM Go to last post

  44. 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: 1,397
    Kristof Papp
    08-10-2017, 02:29 AM Go to last post

  45. Question IIAR Bulletin on NH3 piping seletion or pipe sizing calculation.

    Started by harsha.hv88, 01-10-2017 06:54 AM
    • Replies: 2
    • Views: 2,680
    harsha.hv88
    03-10-2017, 09:13 AM Go to last post

  46. Yogurt Specific heat

    Started by A.Mortezania, 27-09-2017 09:57 PM
    • Replies: 5
    • Views: 6,139
    Brian_UK
    02-10-2017, 01:17 PM Go to last post

  47. NH3 2 stage cycle question

    Started by Kristof Papp, 21-09-2017 09:19 PM
    • Replies: 2
    • Views: 1,635
    Sandro Baptista
    22-09-2017, 10:26 AM Go to last post

  48. Information about power hot defrost on the plates

    Started by Sandro Baptista, 29-05-2017 05:33 PM
    • Replies: 2
    • Views: 1,682
    Sandro Baptista
    22-09-2017, 10:09 AM Go to last post

  49. Question....Lennox

    Started by Robearbam, 16-09-2017 06:08 PM
    • Replies: 2
    • Views: 1,597
    The Viking
    16-09-2017, 08:55 PM Go to last post

  50. Double-trunk pistons and thermal-electric expansion valves

    Started by seanf, 10-09-2017 08:17 PM
    • Replies: 7
    • Views: 2,394
    seanf
    12-09-2017, 09:57 PM Go to last post

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