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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: 234,119
    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: 27,157
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. evap fan speed control?

    Started by knighty, 05-10-2022 12:11 AM
    • Replies: 1
    • Views: 1,318
    mbc
    05-10-2022, 05:42 AM Go to last post

  2. Variable speed compressors and efficiency changes in COP

    Started by ctscasemod, 02-10-2022 11:47 PM
    • Replies: 1
    • Views: 1,211
    Rob White
    03-10-2022, 12:25 PM Go to last post

  3. Ocygen Cylinder

    Started by Grizzly, 28-09-2022 02:01 PM
    oxygen cylinder, oxygen tank
    • Replies: 2
    • Views: 1,321
    iqrabashir
    29-09-2022, 07:55 AM Go to last post

  4. Ultra low freezer

    Started by IvanZ, 25-09-2022 02:42 PM
    • Replies: 1
    • Views: 1,222
    Rob White
    26-09-2022, 04:38 PM Go to last post

  5. Refrigeration control valve KV calculation software

    Started by David15, 17-09-2022 12:49 AM
    calculation, pressure drop, software, valve
    • Replies: 1
    • Views: 1,231
    RANGER1
    17-09-2022, 03:04 AM Go to last post

  6. Start and Run winding

    Started by skyboy6142, 05-09-2022 08:25 PM
    • Replies: 7
    • Views: 1,753
    knighty
    11-09-2022, 10:58 AM Go to last post

  7. Pulling a vacuum

    Started by DBCracker, 16-08-2022 10:15 AM
    • Replies: 1
    • Views: 1,317
    Tycho
    16-08-2022, 12:40 PM Go to last post

  8. Superheat reference

    Started by lana, 13-08-2022 11:27 AM
    • Replies: 4
    • Views: 1,446
    RANGER1
    14-08-2022, 12:16 PM Go to last post

  9. Large Danfoss liquid line drier

    Started by Foggy, 01-08-2022 09:51 PM
    • Replies: 0
    • Views: 862
    Foggy
    01-08-2022, 09:51 PM Go to last post

  10. Check valve

    Started by skyboy6142, 08-02-2022 07:43 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 2,221
    tigur16
    14-07-2022, 05:02 AM Go to last post

  11. Defrost Timer

    Started by Wickfut, 03-07-2022 01:52 AM
    • Replies: 1
    • Views: 1,357
    martinw58
    04-07-2022, 06:21 PM Go to last post

  12. Evaporator

    Started by skyboy6142, 13-06-2022 05:58 PM
    • Replies: 1
    • Views: 1,245
    Rob White
    14-06-2022, 07:54 AM Go to last post

  13. How to make referigerator

    Started by Ritesh28, 05-06-2022 02:10 PM
    • Replies: 4
    • Views: 1,559
    Ritesh28
    06-06-2022, 04:15 PM Go to last post

  14. How to make ac

    Started by Ritesh28, 05-06-2022 11:56 PM
    • Replies: 2
    • Views: 1,158
    Ritesh28
    06-06-2022, 04:13 PM Go to last post

  15. Parallel condensers

    Started by skyboy6142, 06-05-2022 09:26 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 1,548
    Josip
    27-05-2022, 04:35 PM Go to last post

  16. Carrier oil equalization check valve

    Started by skyboy6142, 30-03-2022 08:18 AM
    2 Attachment(s)
    • Replies: 0
    • Views: 1,085
    skyboy6142
    30-03-2022, 08:18 AM Go to last post

  17. Plate heat-exchanger

    Started by skyboy6142, 06-03-2022 09:28 AM
    1 Attachment(s)
    • Replies: 1
    • Views: 1,278
    frank
    06-03-2022, 12:20 PM Go to last post

  18. Buffer vessel for hot glycol defrost

    Started by jmmpcabral, 03-03-2022 02:47 PM
    buffer, defrost, glycol, sizing, temper
    • Replies: 0
    • Views: 946
    jmmpcabral
    03-03-2022, 02:47 PM Go to last post

  19. Question Choosing quantity of evaporators for a cold room

    Started by nightfalc, 01-12-2021 02:12 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 2,658
    nightfalc
    03-02-2022, 06:11 AM Go to last post

  20. Safety for Cold store use refrigerant NH3

    Started by nhoksockiu, 08-12-2021 03:52 AM
    • Replies: 2
    • Views: 1,362
    nhoksockiu
    02-02-2022, 09:45 AM Go to last post

  21. Freeze dryer, Ice condensor - Pipe dimension

    Started by petter78, 11-01-2022 02:35 AM
    • Replies: 3
    • Views: 1,539
    Brian_UK
    27-01-2022, 03:11 PM Go to last post

  22. Question Autocascade system

    Started by Testoviron, 08-01-2022 04:56 PM
    autocascade
    • Replies: 2
    • Views: 1,288
    billwee
    17-01-2022, 11:17 AM Go to last post

  23. Temperature drop in liquid line while subcooling

    Started by Peter_1, 23-10-2021 01:46 PM
    • Replies: 3
    • Views: 1,394
    sterl
    30-12-2021, 09:55 PM Go to last post

  24. Question about screw compressor

    Started by skyboy6142, 02-12-2021 05:39 PM
    • Replies: 2
    • Views: 1,505
    skyboy6142
    03-12-2021, 07:27 AM Go to last post

  25. Volumetric efficiency

    Started by skyboy6142, 01-12-2021 07:01 AM
    • Replies: 2
    • Views: 1,291
    skyboy6142
    02-12-2021, 05:40 PM Go to last post

  26. Replacing the evaporator

    Started by kevinkrige, 16-11-2021 01:40 PM
    diyrefrigrator, evaporator
    • Replies: 1
    • Views: 1,195
    Brian_UK
    16-11-2021, 06:19 PM Go to last post

  27. Chilled Water vs. DX

    Started by CarmrloLab, 27-10-2021 06:53 AM
    • Replies: 1
    • Views: 1,163
    Brian_UK
    27-10-2021, 03:55 PM Go to last post

  28. Different log ph for same refrigerant

    Started by Peter_1, 16-10-2021 12:11 PM
    2 Attachment(s)
    • Replies: 8
    • Views: 1,815
    Rob White
    21-10-2021, 01:14 PM Go to last post

  29. Level of condensing temperature

    Started by Peter_1, 20-10-2021 08:36 PM
    • Replies: 2
    • Views: 934
    Peter_1
    21-10-2021, 06:25 AM Go to last post

  30. Temperature drop when water in vacuum

    Started by Peter_1, 09-10-2021 03:08 PM
    • Replies: 8
    • Views: 1,539
    skarrs71
    19-10-2021, 07:41 PM Go to last post

  31. COP heatpump air/water

    Started by Seair, 18-10-2021 07:54 PM
    • Replies: 8
    • Views: 1,355
    Rob White
    19-10-2021, 04:27 PM Go to last post

  32. Question Sizing Discharge Line on Evap Load or Heat of Rejection?

    Started by jrockyroc, 15-10-2021 04:49 PM
    • Replies: 2
    • Views: 1,009
    Peter_1
    16-10-2021, 12:18 PM Go to last post

  33. Electronic expansion valves

    Started by sigourney, 29-09-2021 03:06 AM
    • Replies: 1
    • Views: 924
    Rob White
    29-09-2021, 12:17 PM Go to last post

  34. DX or Chilled water for residential refrigeration

    Started by skhan855, 03-04-2021 10:11 AM
    • Replies: 7
    • Views: 2,032
    Bendunk
    16-09-2021, 07:13 PM Go to last post

  35. Question Which Component will be designed first ?

    Started by PKO13, 18-08-2021 05:40 AM
    • Replies: 3
    • Views: 1,231
    mbc
    25-08-2021, 06:37 PM Go to last post

  36. Desingning and sizing a coil for a custom air conditioner

    Started by davidk, 29-07-2021 11:25 AM
    condenser design
    • Replies: 2
    • Views: 1,281
    NH3LVR
    29-07-2021, 09:37 PM Go to last post

  37. calculating Mass flow rate

    Started by Andrew072, 23-07-2021 08:45 AM
    • Replies: 4
    • Views: 1,330
    RANGER1
    23-07-2021, 09:48 PM Go to last post

  38. expansion valve

    Started by skyboy6142, 05-06-2021 10:27 AM
    • Replies: 2
    • Views: 1,301
    sendhilkmar
    16-06-2021, 10:40 AM Go to last post

  39. Energy Efficiancy Chilled Water of DX

    Started by skhan855, 04-06-2021 08:49 PM
    • Replies: 5
    • Views: 1,317
    skhan855
    13-06-2021, 06:47 PM Go to last post

  40. How to determine air heating power in kW

    Started by dairytech, 14-05-2021 02:29 PM
    • Replies: 2
    • Views: 1,079
    dairytech
    17-05-2021, 04:39 AM Go to last post

  41. Rotary compressor

    Started by skyboy6142, 25-04-2021 05:29 AM
    • Replies: 2
    • Views: 3,776
    narkom
    27-04-2021, 04:58 PM Go to last post

  42. Top or Bottom

    Started by Wickfut, 19-12-2020 08:09 AM
    • Replies: 8
    • Views: 14,130
    Brian_UK
    14-04-2021, 01:14 PM Go to last post

  43. NH3 against R22

    Started by skyboy6142, 03-04-2021 05:43 PM
    • Replies: 5
    • Views: 5,067
    PEPELEBU
    13-04-2021, 02:31 PM Go to last post

  44. Saving refrigerant in event of leakage

    Started by skhan855, 20-03-2021 12:58 PM
    • Replies: 1
    • Views: 1,431
    RANGER1
    21-03-2021, 04:17 AM Go to last post

  45. SIngle Split inverter Air conditioner giving lot of troubles, planning centralize

    Started by skhan855, 17-03-2021 06:04 PM
    • Replies: 3
    • Views: 2,759
    Rob White
    19-03-2021, 11:38 AM Go to last post

  46. 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: 2,417
    Brian_UK
    08-03-2021, 07:00 PM Go to last post

  47. VRV master and slave

    Started by Trent, 07-03-2021 12:39 PM
    • Replies: 2
    • Views: 2,938
    Trent
    07-03-2021, 05:38 PM Go to last post

  48. Room positive pressure

    Started by RODRIGO BR, 06-03-2021 10:54 PM
    • Replies: 2
    • Views: 1,140
    RODRIGO BR
    07-03-2021, 01:53 AM Go to last post

  49. How much compressor oil?

    Started by Wickfut, 02-03-2021 07:18 AM
    • Replies: 1
    • Views: 995
    Brian_UK
    02-03-2021, 01:10 PM Go to last post

  50. Compression ratio question

    Started by coolguy4, 28-02-2021 03:27 AM
    • Replies: 5
    • Views: 1,380
    NH3LVR
    01-03-2021, 12:13 AM Go to last post

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