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Forum: Fundamentals

  1. 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: 27,628
    SeanB
    02-10-2011, 05:45 PM Go to last post

  2. 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: 238,619
    L-PLATES
    01-11-2011, 10:18 PM Go to last post

  1. Compressible flow

    Started by seanf, 30-09-2018 09:21 PM
    • Replies: 4
    • Views: 1,982
    seanf
    01-10-2018, 08:31 PM Go to last post

  2. Charging system using recovery machine

    Started by Contactor, 01-11-2018 02:02 PM
    • Replies: 5
    • Views: 2,258
    Rob White
    02-11-2018, 03:52 PM Go to last post

  3. Oil Temperature

    Started by PLEH2EREH, 01-11-2018 11:16 AM
    • Replies: 5
    • Views: 2,053
    PLEH2EREH
    06-11-2018, 10:15 PM Go to last post

  4. System unbalance

    Started by Aria, 14-11-2018 12:51 AM
    • Replies: 0
    • Views: 1,551
    Aria
    14-11-2018, 12:51 AM Go to last post

  5. 12 V DC Chiller Build

    Started by yilmaz22@gmx.de, 02-12-2018 08:28 PM
    • Replies: 0
    • Views: 1,569
    yilmaz22@gmx.de
    02-12-2018, 08:28 PM Go to last post

  6. 12 V DC Chiller Build

    Started by Rob White, 02-12-2018 08:53 PM
    • Replies: 8
    • Views: 3,764
    yilmaz22@gmx.de
    05-12-2018, 04:11 AM Go to last post

  7. Pressure testing pipework before commissioning

    Started by hyperion, 10-12-2018 04:52 PM
    2 Attachment(s)
    • Replies: 11
    • Views: 3,447
    Tycho
    14-12-2018, 03:04 PM Go to last post

  8. flooded evaporators and oil return

    Started by A.Mortezania, 09-12-2018 04:12 PM
    • Replies: 3
    • Views: 2,303
    A.Mortezania
    15-12-2018, 06:15 AM Go to last post

  9. Dynamic receiver

    Started by Duty007, 19-12-2018 02:03 AM
    • Replies: 1
    • Views: 1,593
    Glenn Moore
    19-12-2018, 07:00 AM Go to last post

  10. Subcooling

    Started by Duty007, 19-12-2018 01:47 AM
    • Replies: 2
    • Views: 1,927
    Brian_UK
    19-12-2018, 03:40 PM Go to last post

  11. Running a refrigerant scroll compressor on air?

    Started by Swedal, 08-01-2019 09:06 PM
    • Replies: 6
    • Views: 2,055
    Tayters
    12-01-2019, 09:28 PM Go to last post

  12. Positive displacement

    Started by A.Mortezania, 28-01-2019 04:59 PM
    • Replies: 2
    • Views: 1,373
    A.Mortezania
    28-01-2019, 06:36 PM Go to last post

  13. Water regulator valve

    Started by A.Mortezania, 02-02-2019 06:03 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 12,960
    A.Mortezania
    06-02-2019, 03:54 PM Go to last post

  14. Thermostatic Expansion Valves for CO2

    Started by Kwaker, 25-02-2019 12:55 PM
    • Replies: 1
    • Views: 8,667
    Glenn Moore
    27-02-2019, 08:34 AM Go to last post

  15. Capacity from flow in gallons and given DT

    Started by Peter_1, 08-01-2019 03:38 PM
    1 Attachment(s)
    • Replies: 12
    • Views: 11,641
    marc5180
    28-02-2019, 01:40 PM Go to last post

  16. Rack system

    Started by A.Mortezania, 05-03-2019 05:23 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 14,310
    RANGER1
    06-03-2019, 08:24 PM Go to last post

  17. Coping with Varying Evaporating Temperatures on Trans Crit CO2 Systems

    Started by Kwaker, 03-04-2019 10:00 AM
    • Replies: 4
    • Views: 4,161
    Glenn Moore
    04-04-2019, 12:41 AM Go to last post

  18. Screw compressor

    Started by A.Mortezania, 08-04-2019 06:04 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 1,788
    A.Mortezania
    09-04-2019, 06:17 AM Go to last post

  19. Time required for cooling

    Started by nevinjohn, 14-04-2019 09:04 AM
    • Replies: 1
    • Views: 1,235
    ROCKY123
    16-04-2019, 05:17 AM Go to last post

  20. Manual expansion valve

    Started by 1001yos, 18-04-2019 10:54 PM
    • Replies: 2
    • Views: 14,081
    monkey spanners
    19-04-2019, 04:09 PM Go to last post

  21. Humidity vs temperature

    Started by scoobyru, 21-04-2019 10:03 PM
    • Replies: 1
    • Views: 11,448
    Brian_UK
    22-04-2019, 12:04 AM Go to last post

  22. Diode in series with AC coil

    Started by seanf, 20-01-2019 05:40 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 11,406
    Brian_UK
    01-06-2019, 11:55 PM Go to last post

  23. What is this ?

    Started by A.Mortezania, 11-06-2019 05:42 PM
    2 Attachment(s)
    • Replies: 6
    • Views: 17,789
    RANGER1
    19-06-2019, 09:47 PM Go to last post

  24. What is your opinion ?

    Started by A.Mortezania, 19-06-2019 07:32 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 1,536
    monkey spanners
    23-06-2019, 05:42 PM Go to last post

  25. Share your opinion with me

    Started by A.Mortezania, 20-06-2019 08:41 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 14,687
    monkey spanners
    23-06-2019, 05:50 PM Go to last post

  26. Best R22 drop in for Daikin VRV

    Started by Contactor, 05-07-2019 03:06 PM
    • Replies: 7
    • Views: 2,087
    Peter_1
    11-07-2019, 01:56 PM Go to last post

  27. trapped liquid

    Started by Tycho, 01-11-2019 06:25 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 1,824
    Tycho
    11-11-2019, 04:22 PM Go to last post

  28. What the valve is it?

    Started by xixxi, 01-11-2019 02:51 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 12,459
    xixxi
    12-11-2019, 01:59 PM Go to last post

  29. Carbon steel to copper connection code/standard

    Started by xixxi, 02-12-2019 04:57 PM
    • Replies: 3
    • Views: 12,070
    RANGER1
    02-12-2019, 08:13 PM Go to last post

  30. Hot gas defrost

    Started by GENERALCOOL, 11-10-2019 07:37 PM
    2 Attachment(s)
    • Replies: 8
    • Views: 1,903
    Goober
    02-12-2019, 08:50 PM Go to last post

  31. CO2 Tank

    Started by GENERALCOOL, 22-12-2019 04:37 PM
    3 Attachment(s)
    • Replies: 1
    • Views: 902
    chemi-cool
    22-12-2019, 08:12 PM Go to last post

  32. Small copper pipe

    Started by GENERALCOOL, 25-12-2019 06:27 AM
    • Replies: 1
    • Views: 13,283
    chemi-cool
    25-12-2019, 03:07 PM Go to last post

  33. Unloaded situation

    Started by GENERALCOOL, 07-01-2020 05:04 PM
    • Replies: 4
    • Views: 15,471
    Josip
    14-01-2020, 10:55 PM Go to last post

  34. Iron pipe intead copper pipe

    Started by GENERALCOOL, 20-01-2020 07:28 PM
    • Replies: 4
    • Views: 1,062
    niceman
    23-01-2020, 04:06 PM Go to last post

  35. Insulating TEVs

    Started by seanf, 23-01-2020 07:08 PM
    1 Attachment(s)
    • Replies: 22
    • Views: 12,041
    Glide
    01-02-2020, 12:35 PM Go to last post

  36. Refrigerant charge for air-conditioning instead cold-rooms

    Started by GENERALCOOL, 10-02-2020 11:24 AM
    • Replies: 0
    • Views: 815
    GENERALCOOL
    10-02-2020, 11:24 AM Go to last post

  37. Vacuum guage

    Started by GENERALCOOL, 02-09-2019 05:47 PM
    • Replies: 5
    • Views: 14,556
    Topher Co
    18-02-2020, 08:12 PM Go to last post

  38. Compressor for R22 , R134a , R410A

    Started by A.Mortezania, 09-07-2019 07:23 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 19,466
    Topher Co
    18-02-2020, 08:23 PM Go to last post

  39. Proper contactor

    Started by GENERALCOOL, 01-10-2019 07:34 PM
    1 Attachment(s)
    • Replies: 8
    • Views: 9,272
    nike123
    22-02-2020, 06:54 AM Go to last post

  40. Help & advice needed

    Started by elemental, 04-03-2020 06:58 AM
    2 Attachment(s)
    • Replies: 5
    • Views: 1,155
    frank
    10-03-2020, 11:38 AM Go to last post

  41. Copper gaskets

    Started by sparkatan, 11-03-2020 11:01 AM
    • Replies: 10
    • Views: 2,089
    Glenn Moore
    13-03-2020, 11:57 PM Go to last post

  42. electronic expansion valve

    Started by GENERALCOOL, 23-03-2020 04:48 PM
    • Replies: 4
    • Views: 1,297
    hyperion
    23-03-2020, 07:59 PM Go to last post

  43. Fan speed control

    Started by GENERALCOOL, 01-04-2020 10:13 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 2,190
    Desaster
    04-04-2020, 08:33 AM Go to last post

  44. Question: Air Purging

    Started by TheUnknownw, 04-04-2020 07:46 PM
    • Replies: 11
    • Views: 1,833
    HwT
    07-04-2020, 08:13 PM Go to last post

  45. economizer line/subcooler line

    Started by GENERALCOOL, 19-04-2020 08:22 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 8,071
    GENERALCOOL
    22-04-2020, 08:45 PM Go to last post

  46. date, specific heat capacity and strorage temp.

    Started by GENERALCOOL, 19-04-2020 08:29 AM
    • Replies: 2
    • Views: 11,247
    GENERALCOOL
    22-04-2020, 08:51 PM Go to last post

  47. Question Co2

    Started by csrbv, 01-05-2020 12:47 PM
    • Replies: 2
    • Views: 7,086
    csrbv
    01-05-2020, 11:44 PM Go to last post

  48. PVE and POE

    Started by GENERALCOOL, 03-05-2020 08:46 PM
    • Replies: 0
    • Views: 6,358
    GENERALCOOL
    03-05-2020, 08:46 PM Go to last post

  49. Condenser sharing between Racks

    Started by Sitec, 08-05-2020 06:25 PM
    2 racks 1 condenser
    • Replies: 0
    • Views: 758
    Sitec
    08-05-2020, 06:25 PM Go to last post

  50. Vapour pressure and saturation temperature - Estimate qunatity

    Started by nevinjohn, 27-04-2020 07:22 AM
    • Replies: 8
    • Views: 11,622
    Josip
    15-05-2020, 01:47 PM Go to last post

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