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: 239,205
    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: 27,662
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. Vapor Pressure

    Started by herefishy, 08-03-2002 04:23 PM
    • Replies: 8
    • Views: 3,920
    herefishy
    14-03-2002, 04:00 PM Go to last post

  2. Question My Customer's Air Conditioner isn't keeping the beer cold!

    Started by herefishy, 15-01-2002 10:43 PM
    • Replies: 30
    • Views: 11,285
    herefishy
    26-06-2002, 02:49 PM Go to last post

  3. Infiltration at entry

    Started by herefishy, 02-03-2002 05:32 PM
    • Replies: 13
    • Views: 5,044
    Dan
    08-03-2002, 01:44 AM Go to last post

  4. Question Urgent!!! S.O.S. - nozzle size

    Started by herefishy, 25-05-2002 05:00 PM
    • Replies: 3
    • Views: 4,783
    Dan
    25-05-2002, 10:29 PM Go to last post

  5. Stainless To Copper Joint

    Started by herefishy, 12-08-2003 07:27 PM
    • Replies: 14
    • Views: 6,413
    herefishy
    29-08-2003, 07:13 PM Go to last post

  6. System Design Pressures

    Started by herefishy, 22-01-2004 06:41 PM
    • Replies: 11
    • Views: 5,307
    frank
    27-01-2004, 12:31 PM Go to last post

  7. Help Me

    Started by hery, 02-08-2006 02:21 PM
    2 Attachment(s)
    • Replies: 9
    • Views: 2,664
    autt
    22-08-2006, 04:13 PM Go to last post

  8. Hi

    Started by HGS, 15-08-2006 09:37 PM
    • Replies: 2
    • Views: 1,519
    US Iceman
    16-08-2006, 02:11 AM Go to last post

  9. Head Pressure: How High is Too High?

    Started by HHC, 14-07-2006 08:33 PM
    • Replies: 7
    • Views: 5,729
    HHC
    15-07-2006, 05:23 PM Go to last post

  10. compressor vibration

    Started by hich, 21-09-2007 01:25 AM
    • Replies: 5
    • Views: 2,351
    C Bagtas
    25-09-2007, 11:18 PM Go to last post

  11. Direct evaporation custom coil design.

    Started by hiCoolerLab, 26-02-2011 08:04 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 2,723
    hiCoolerLab
    27-02-2011, 10:51 AM Go to last post

  12. Measuring superheat with no access at evap

    Started by HiltonMeatHead, 25-08-2012 09:16 AM
    • Replies: 9
    • Views: 3,507
    THE DUDE
    25-09-2012, 12:01 AM Go to last post

  13. Finding the kw rating of a cooler

    Started by HiltonMeatHead, 26-02-2013 06:54 PM
    • Replies: 3
    • Views: 1,565
    martinw58
    26-02-2013, 07:52 PM Go to last post

  14. Oxy Acytelene Welding

    Started by hipposs, 15-04-2008 09:47 PM
    • Replies: 13
    • Views: 5,746
    martinw58
    17-04-2008, 10:17 AM Go to last post

  15. Staircase Pressurization

    Started by hipposs, 26-04-2008 05:56 PM
    • Replies: 5
    • Views: 10,176
    Brian_UK
    30-04-2008, 12:10 AM Go to last post

  16. Wink Chillers Cost Savings

    Started by hisham70, 04-02-2014 03:28 AM
    • Replies: 0
    • Views: 1,429
    hisham70
    04-02-2014, 03:28 AM Go to last post

  17. Exclamation Huge refrigeration load and airflow rate

    Started by Hitbychance, 02-03-2009 01:22 PM
    • Replies: 2
    • Views: 1,496
    Hitbychance
    02-03-2009, 03:53 PM Go to last post

  18. Split mini system

    Started by hitecnot, 13-05-2008 06:04 PM
    • Replies: 1
    • Views: 2,516
    nike123
    13-05-2008, 08:21 PM Go to last post

  19. disharge temp

    Started by Hlynur Steinarsson, 22-09-2002 09:37 AM
    • Replies: 1
    • Views: 2,716
    SteveDixey
    29-09-2002, 04:25 PM Go to last post

  20. running pressures for ice makers,r4o4a,r134a

    Started by hm1982, 01-05-2010 10:34 PM
    • Replies: 1
    • Views: 13,558
    cma
    01-05-2010, 11:49 PM Go to last post

  21. Compressor types

    Started by hoadster, 15-04-2008 06:48 AM
    2 Attachment(s)
    • Replies: 4
    • Views: 4,307
    Chunk
    15-04-2008, 01:17 PM Go to last post

  22. Question Pykrete Summer Igloo

    Started by hoeken, 07-04-2005 08:47 PM
    • Replies: 5
    • Views: 9,687
    botrous
    08-04-2005, 07:27 PM Go to last post

  23. Flower cooler

    Started by hollow, 03-03-2016 08:16 PM
    • Replies: 8
    • Views: 2,837
    mikeref
    07-03-2016, 08:55 AM Go to last post

  24. R-value conversion

    Started by HollyT, 02-01-2003 06:39 PM
    • Replies: 3
    • Views: 10,589
    Prof Sporlan
    02-01-2003, 10:58 PM Go to last post

  25. Question Return ducting for refrigerated air conditioning

    Started by Homebuilder, 25-03-2011 02:34 AM
    • Replies: 2
    • Views: 2,690
    Magoo
    28-03-2011, 12:34 AM Go to last post

  26. How To Calculate RH% ?

    Started by hongyunref, 16-04-2013 09:34 AM
    fundamentals, humidity
    • Replies: 2
    • Views: 4,261
    Brian_UK
    16-04-2013, 11:42 PM Go to last post

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

    Started by hongyunref, 23-04-2013 02:26 AM
    calculation, fundamentals
    • Replies: 5
    • Views: 3,549
    HVACRAU
    18-06-2013, 07:40 AM Go to last post

  28. Problem - Liquid Unable To Become Vapor During Suction

    Started by hongyunref, 04-05-2013 05:06 AM
    compressor, fundamentals, liquid, vapor
    • Replies: 6
    • Views: 2,970
    nike123
    11-05-2013, 07:26 AM Go to last post

  29. Confusing The Calculation Part Between Refrigerant's Superheat and Sub cooling

    Started by hongyunref, 17-04-2013 06:10 AM
    fundamentals, humidity, humidity in coldroom, sub-cooling, superheat
    • Replies: 5
    • Views: 2,989
    Brian_UK
    13-05-2013, 10:51 PM Go to last post

  30. Why Liquid Line Will Ice-Up Once The Liquid Pass Through The Expansion Valve?

    Started by hongyunref, 04-06-2013 05:08 AM
    expansion valve, fundamentals, liquid line
    • Replies: 5
    • Views: 2,945
    Peter_1
    16-06-2013, 11:36 AM Go to last post

  31. Unit Cooler Ice Up

    Started by hongyunref, 31-03-2014 04:14 AM
    fundamentals
    • Replies: 5
    • Views: 2,238
    sedgy
    10-04-2014, 05:36 PM Go to last post

  32. Calculating KW

    Started by hookster, 14-06-2007 06:59 PM
    • Replies: 25
    • Views: 31,240
    mohmmad ali
    23-07-2010, 04:31 PM Go to last post

  33. Booster compressor Relief valve

    Started by Hoon, 28-03-2016 12:11 AM
    booster relief valve 1 Attachment(s)
    • Replies: 7
    • Views: 2,199
    RANGER1
    29-03-2016, 10:05 PM Go to last post

  34. Question prohibit direct eductor to drain, Ammonia pumping out

    Started by Hoon, 21-07-2016 06:12 PM
    ammonia pumpout, eductor
    • Replies: 3
    • Views: 1,556
    Hoon
    23-07-2016, 12:35 AM Go to last post

  35. Tri-Pac

    Started by housedoc50, 16-02-2012 04:24 PM
    • Replies: 0
    • Views: 1,733
    housedoc50
    16-02-2012, 04:24 PM Go to last post

  36. i want to increase the length of liquid line in a fridge circuit but not the suction.

    Started by howecool, 26-09-2012 01:13 PM
    • Replies: 2
    • Views: 1,613
    Peter_1
    26-09-2012, 06:41 PM Go to last post

  37. Variable Amperage And Cold Liquid line

    Started by hsn157134, 01-10-2014 07:16 PM
    • Replies: 15
    • Views: 4,020
    hsn157134
    03-10-2014, 05:15 PM Go to last post

  38. Ambient Temp vs Product Temp

    Started by HTRefrig, 16-07-2010 01:24 PM
    • Replies: 10
    • Views: 3,829
    HTRefrig
    19-07-2010, 01:50 PM Go to last post

  39. Fujitsu split aircon

    Started by Hungnvt, 14-05-2010 12:55 PM
    • Replies: 2
    • Views: 4,575
    shafaqat ali
    15-05-2010, 01:30 PM Go to last post

  40. Evacuation Procedures

    Started by Husky250, 05-04-2008 04:55 PM
    • Replies: 5
    • Views: 3,273
    Husky250
    07-04-2008, 02:45 AM Go to last post

  41. Does a vacuum pump actually create negative pressure?

    Started by Hutch., 19-04-2012 02:24 AM
    • Replies: 8
    • Views: 11,302
    Yellow Jacket
    04-09-2012, 04:52 AM Go to last post

  42. SUBCOOLING Problem

    Started by hvac4178, 09-09-2008 06:07 PM
    • Replies: 5
    • Views: 2,768
    Chef
    11-09-2008, 10:31 AM Go to last post

  43. Request Help

    Started by hvacer, 05-02-2016 07:36 PM
    • Replies: 2
    • Views: 1,631
    hvacer
    06-02-2016, 09:06 PM Go to last post

  44. Daikin FTD35F R1T Air Thermistor

    Started by HVACman, 27-12-2008 07:48 AM
    • Replies: 8
    • Views: 6,968
    multisync
    29-12-2008, 12:16 PM Go to last post

  45. hallo to evryone

    Started by hvacrny, 06-09-2007 10:37 PM
    • Replies: 2
    • Views: 1,592
    Peter_1
    07-09-2007, 07:27 AM Go to last post

  46. Recommended Torch for Brazing

    Started by hvactech, 22-09-2008 04:22 AM
    • Replies: 10
    • Views: 23,482
    paul_h
    31-07-2009, 04:30 PM Go to last post

  47. Cement dust

    Started by hwelect, 02-11-2008 12:22 AM
    • Replies: 4
    • Views: 2,427
    expat
    03-11-2008, 10:09 AM Go to last post

  48. Pressure testing pipework before commissioning

    Started by hyperion, 10-12-2018 04:52 PM
    2 Attachment(s)
    • Replies: 11
    • Views: 3,458
    Tycho
    14-12-2018, 03:04 PM Go to last post

  49. Old fridge to cold after repair

    Started by iain123, 05-03-2024 02:19 PM
    • Replies: 0
    • Views: 387
    iain123
    05-03-2024, 02:19 PM Go to last post

  50. Tev

    Started by Ianh, 01-08-2006 08:27 PM
    • Replies: 4
    • Views: 3,178
    Renato RR
    03-08-2006, 12:22 PM Go to last post

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