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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: 280,300
    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: 30,238
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. 2P14C225A compressor - looking for datasheet.

    Started by avz, 14-08-2024 10:29 AM
    • Replies: 0
    • Views: 1,691
    avz
    14-08-2024, 10:29 AM Go to last post

  2. R290 test pressure too low?

    Started by kay86, 02-08-2024 03:04 PM
    • Replies: 1
    • Views: 1,942
    seanf
    02-08-2024, 03:53 PM Go to last post

  3. Risk of corrosion on evaporator coil

    Started by kay86, 30-07-2024 12:44 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 3,837
    knighty
    31-07-2024, 04:42 AM Go to last post

  4. Where to install pressure control switch

    Started by kay86, 29-07-2024 05:35 PM
    • Replies: 2
    • Views: 1,951
    kay86
    30-07-2024, 04:31 PM Go to last post

  5. Small dent on evaporator coil

    Started by kay86, 26-06-2024 12:17 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 2,343
    knighty
    30-06-2024, 09:04 AM Go to last post

  6. Hygroscopic POE oil

    Started by kay86, 28-02-2024 12:15 AM
    poe oil
    • Replies: 8
    • Views: 3,059
    kay86
    26-06-2024, 12:00 AM Go to last post

  7. R290 LBP Compressors at Low Temperatures

    Started by kay86, 11-05-2024 03:25 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 1,658
    Orsus_KR
    27-05-2024, 05:55 PM Go to last post

  8. Design pressure for cascade systems according to ASHRAE 15

    Started by adrianKwia, 12-04-2024 01:27 PM
    ashrae, cascade
    • Replies: 2
    • Views: 2,705
    adrianKwia
    29-04-2024, 11:06 AM Go to last post

  9. VRF Toshiba twinned MMY-MAP1404FT8-E Recover R410

    Started by Jayaka, 20-04-2024 04:55 PM
    • Replies: 0
    • Views: 1,613
    Jayaka
    20-04-2024, 04:55 PM Go to last post

  10. Help! How do I remove valve core on this Toshiba RAS unit???

    Started by Gollom, 19-03-2024 11:54 AM
    3 Attachment(s)
    • Replies: 1
    • Views: 2,171
    seanf
    19-03-2024, 05:37 PM Go to last post

  11. Single phase, two cap motor

    Started by seanf, 01-03-2024 10:16 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 2,058
    seanf
    14-03-2024, 10:19 PM Go to last post

  12. forum is dead

    Started by Grizzly, 13-03-2024 10:25 AM
    • Replies: 0
    • Views: 1,727
    Grizzly
    13-03-2024, 10:25 AM Go to last post

  13. Old fridge to cold after repair

    Started by iain123, 05-03-2024 02:19 PM
    • Replies: 0
    • Views: 1,620
    iain123
    05-03-2024, 02:19 PM Go to last post

  14. Question (stupid?) Should system be at saturation pressure?

    Started by berntd, 19-12-2023 03:48 AM
    • Replies: 17
    • Views: 4,586
    chan005
    28-02-2024, 07:55 AM Go to last post

  15. Flux and brazing

    Started by kay86, 27-02-2024 02:51 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 2,020
    kay86
    28-02-2024, 12:06 AM Go to last post

  16. Capillary design

    Started by kay86, 18-02-2024 02:38 PM
    1 Attachment(s)
    • Replies: 7
    • Views: 2,112
    Rob White
    21-02-2024, 09:00 AM Go to last post

  17. Filter Dryer question

    Started by RumpShaker, 31-01-2024 09:36 PM
    3 Attachment(s)
    • Replies: 2
    • Views: 1,937
    RumpShaker
    01-02-2024, 01:46 PM Go to last post

  18. Heat load calculations

    Started by Stretch79, 24-01-2024 09:58 AM
    • Replies: 1
    • Views: 1,984
    seanf
    24-01-2024, 12:19 PM Go to last post

  19. R 410

    Started by mbc, 31-10-2023 10:36 AM
    • Replies: 4
    • Views: 2,409
    seanf
    14-12-2023, 03:51 PM Go to last post

  20. NH3 T-S Diagram (Imperial)

    Started by xixxi, 01-12-2023 08:15 PM
    • Replies: 2
    • Views: 2,190
    frank
    09-12-2023, 04:34 PM Go to last post

  21. which one is good.

    Started by mbc, 02-11-2023 05:44 AM
    • Replies: 12
    • Views: 3,043
    xixxi
    04-12-2023, 02:02 PM Go to last post

  22. likely costs

    Started by madfarmer, 12-06-2023 05:26 PM
    • Replies: 4
    • Views: 2,551
    sterl
    03-10-2023, 08:02 PM Go to last post

  23. Removing Daikin PCB - RZP125DV1

    Started by CPerry, 25-08-2023 04:24 AM
    • Replies: 6
    • Views: 2,705
    frank
    28-08-2023, 02:03 PM Go to last post

  24. 134 a in 2014 Town Country --a/c went warm then back to cold after 15 min parking it.

    Started by birmingplu, 05-08-2023 08:57 AM
    • Replies: 1
    • Views: 2,291
    martinw58
    07-08-2023, 05:58 AM Go to last post

  25. Supermarket refrigerated case credits

    Started by Jjeromet, 02-08-2023 07:55 PM
    • Replies: 0
    • Views: 2,047
    Jjeromet
    02-08-2023, 07:55 PM Go to last post

  26. Brazing rods not compatible with all refrigerants

    Started by kay86, 12-07-2023 05:05 PM
    • Replies: 0
    • Views: 2,195
    kay86
    12-07-2023, 05:05 PM Go to last post

  27. Suction pressure below ambient pressure

    Started by kay86, 08-07-2023 09:02 PM
    • Replies: 4
    • Views: 2,462
    Huston
    12-07-2023, 03:54 PM Go to last post

  28. Electronics acronym

    Started by seanf, 19-04-2023 06:34 PM
    • Replies: 2
    • Views: 2,404
    seanf
    15-06-2023, 06:47 PM Go to last post

  29. Finding the right person for the job

    Started by Fleety, 19-05-2023 09:42 AM
    • Replies: 4
    • Views: 2,521
    TrevH
    13-06-2023, 08:50 PM Go to last post

  30. Compressor for R290 rerigerant

    Started by kay86, 21-04-2023 01:36 AM
    • Replies: 4
    • Views: 2,497
    nike123
    30-04-2023, 03:54 PM Go to last post

  31. Heat load and capillary tube

    Started by kay86, 25-04-2023 02:13 AM
    3 Attachment(s)
    • Replies: 3
    • Views: 2,409
    nike123
    30-04-2023, 03:43 PM Go to last post

  32. Unhappy Condenser inlet is too big?

    Started by kay86, 31-03-2023 06:58 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 2,692
    Peter_1
    21-04-2023, 08:07 AM Go to last post

  33. Need to keep a room 55-58 degrees.... best way to do that?

    Started by Basic, 20-04-2023 08:40 PM
    • Replies: 1
    • Views: 2,172
    Peter_1
    21-04-2023, 08:05 AM Go to last post

  34. Pressure control

    Started by kay86, 17-02-2023 03:19 AM
    • Replies: 14
    • Views: 3,785
    frank
    29-03-2023, 08:21 AM Go to last post

  35. Drinking water and copper

    Started by skyboy6142, 26-03-2023 07:12 PM
    • Replies: 4
    • Views: 2,448
    NH3LVR
    27-03-2023, 09:05 PM Go to last post

  36. PHE evaporators

    Started by Mataura, 04-03-2023 10:38 PM
    • Replies: 6
    • Views: 2,753
    Grizzly
    06-03-2023, 09:29 AM Go to last post

  37. Danfoss KP5 6mm Cutting Ring

    Started by rossyram23, 02-03-2023 04:38 PM
    • Replies: 10
    • Views: 2,795
    Tycho
    05-03-2023, 02:45 PM Go to last post

  38. Post Some questions on 30GX-207 air cooled chillers

    Started by abcxyz5, 15-02-2023 02:20 PM
    30gx, discharge, economizer, pressure, suction
    • Replies: 3
    • Views: 2,499
    seanf
    20-02-2023, 07:28 PM Go to last post

  39. Thermal expansion formula

    Started by Peter_1, 28-10-2022 10:47 AM
    1 Attachment(s)
    • Replies: 19
    • Views: 4,091
    eddid
    19-02-2023, 07:27 PM Go to last post

  40. Building a water chiller for an Ice Bath

    Started by luketurner, 14-02-2023 09:44 PM
    • Replies: 0
    • Views: 2,304
    luketurner
    14-02-2023, 09:44 PM Go to last post

  41. need help to understand the control

    Started by timalg, 25-01-2023 10:41 PM
    • Replies: 2
    • Views: 2,464
    iACS
    13-02-2023, 03:50 PM Go to last post

  42. cooling load- defrost

    Started by mechman, 27-01-2023 09:54 AM
    1 Attachment(s)
    • Replies: 3
    • Views: 2,779
    GrantD
    30-01-2023, 09:45 AM Go to last post

  43. Lightbulb VSD Pump control

    Started by Harper, 20-01-2023 07:44 PM
    • Replies: 13
    • Views: 3,260
    RANGER1
    30-01-2023, 07:23 AM Go to last post

  44. Cooling water drum

    Started by mitch722, 11-01-2023 04:13 AM
    1 Attachment(s)
    • Replies: 3
    • Views: 2,715
    RANGER1
    14-01-2023, 11:12 PM Go to last post

  45. cooling cylinder

    Started by rezasth, 10-10-2022 12:02 PM
    • Replies: 8
    • Views: 3,305
    Rob White
    13-01-2023, 08:54 AM Go to last post

  46. Coolpack error

    Started by Peter_1, 29-12-2022 04:27 PM
    • Replies: 4
    • Views: 2,861
    MrFreez717
    30-12-2022, 09:08 PM Go to last post

  47. Beware the Pareto Frontier Scam

    Started by Glass, 21-12-2022 03:22 AM
    • Replies: 0
    • Views: 3,417
    Glass
    21-12-2022, 03:22 AM Go to last post

  48. Lightbulb Consideration of flashgas in pipeline

    Started by oplafki, 01-12-2022 05:44 AM
    flash gas, flashing, pressure loss
    • Replies: 22
    • Views: 4,068
    RANGER1
    12-12-2022, 07:40 PM Go to last post

  49. Heat Pump heat exchangers

    Started by Akram, 11-12-2022 03:29 PM
    condenser, evaporator, heat exchanger, heat pump, technical support
    • Replies: 0
    • Views: 2,330
    Akram
    11-12-2022, 03:29 PM Go to last post

  50. Lexus automotive unknown refrigerant path

    Started by CyFi6, 02-12-2022 03:48 PM
    5 Attachment(s)
    • Replies: 8
    • Views: 3,187
    CyFi6
    05-12-2022, 08:51 PM Go to last post

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