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Type: Posts; User: aenigma; Keyword(s):

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  1. Replies
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    1,251

    That should work just fine, however the schrader...

    That should work just fine, however the schrader valve will be a big restriction even without the core, and so will the small refrigeration hose. If you are doing it that way just to have a flexible...
  2. Replies
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    3,678

    Nice job man! Brings back memories of the good...

    Nice job man! Brings back memories of the good old days.
  3. Replies
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    24,610

    Wait, how do you know your exact CPU temperature?...

    Wait, how do you know your exact CPU temperature? Evap temp isn't meaningful, actual CPU core temps are.
  4. Replies
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    24,610

    Yeah precisely, fan controllers are essential for...

    Yeah precisely, fan controllers are essential for big ambient temperature swings. That is why most RTU's (roof top units) have fan controllers and/or head master valves for winter/summer operation....
  5. Replies
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    24,610

    His measurement is only evap temp not CPU temp so...

    His measurement is only evap temp not CPU temp so you're right, the cpu is probably much higher depending on the evap design. Most CPU evaps you buy from guys that machine them have a lot of mass but...
  6. Replies
    61
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    24,610

    A larger efficient condenser can increase...

    A larger efficient condenser can increase efficiency when the expansion device is set correctly for it, assuming the smaller condenser was increasing high side and getting warm. Less strain on the...
  7. Replies
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    24,610

    I told him to get rid of that sight glass and...

    I told him to get rid of that sight glass and receiver awhile ago and I believe he did and it started working much better. Also I am quite sure these 300w heatloads are not right. Just look up what...
  8. Replies
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    24,610

    Yeah -55c and even lower is very possible without...

    Yeah -55c and even lower is very possible without a load Buckeye. His post right above yours said -40c which I am assuming is under a load. That seems about right and it isn't actual CPU temp, there...
  9. Replies
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    You need to add it under a load slowly to see if...

    You need to add it under a load slowly to see if it helps. Add a little under a load then let it run that way for a few minutes and see if temps fall. If not then the cap tube is too restrictive.
    ...
  10. Replies
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    24,610

    Yeah it very well could be undercharged that's...

    Yeah it very well could be undercharged that's why I said start by adding some refrigerant and see if that helps since it's easy to do. Do that with full airflow though. If it doesn't help then you...
  11. Replies
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    First I would try adding some more refrigerant...

    First I would try adding some more refrigerant since that is easy to do, but my bet is on the cap tube being a bit too restrictive since the high side pressure is lower now that it is cooler and...
  12. Replies
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    24,610

    Nice, looks like it's working very well.

    Nice, looks like it's working very well.
  13. Replies
    61
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    24,610

    Nice, it looks good!

    Nice, it looks good!
  14. Replies
    61
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    24,610

    Oh wow nice, you have quite a collection! I was...

    Oh wow nice, you have quite a collection! I was just joking about sending me hardware though haha
  15. Replies
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    You have a lot of CPU's to test, might as well...

    You have a lot of CPU's to test, might as well send me some hardware to test on my autocascade! :p:
  16. Replies
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    24,610

    Yeah that is working great, very nice! Oh and...

    Yeah that is working great, very nice! Oh and you're right, it should do even better when your ambient temps are cooler.
  17. Replies
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    24,610

    Ah ok, not sure what that looks like inside. I...

    Ah ok, not sure what that looks like inside. I was just curious. I have an evap that was on my old autocascade made by teyber I believe. It's a stepper kind of thing. Tons of mass and super...
  18. Replies
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    Awesome, glad it helped! For fine tuning to get...

    Awesome, glad it helped! For fine tuning to get better temps it would be good to get some evap in and out temps with a load so we can see if your charge and cap tube is right. Seems pretty sweet so...
  19. Replies
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    Yes, you always want the liquid line exiting the...

    Yes, you always want the liquid line exiting the condenser to be straight as possible. Liquid doesn't climb up very well, so you end up having to overcharge it to get enough liquid at your drier...
  20. Replies
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    24,610

    If it were overcharged your compressor would be...

    If it were overcharged your compressor would be icing up and you would be getting liquid returning to the compressor. You can try removing a little gas to fine tune the charge under a load since cap...
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    24,610

    Yeah that static pressure is fine. R-404a is a...

    Yeah that static pressure is fine. R-404a is a fairly high pressure gas so it's normal to have a higher static pressure than something like R22 or R290 for example. If you were using something like...
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    1,765

    What are the temperatures and pressures under...

    What are the temperatures and pressures under load? If possiblewe need the following temperatures: evap, suction line 6" before compressor. liquid line temp and condenser air in/out. I am not sure if...
  23. Replies
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    I'm assuming this is still using R-404a? If so...

    I'm assuming this is still using R-404a? If so then all you do is use the P/T chart for R-404a to determine static pressure at a given temperature. For r-404a a static pressure of 175psi indicates...
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    Same here kayl, that's why I say start long then...

    Same here kayl, that's why I say start long then cut down. Beats cutting too short then having nothing to work with afterwards. Nice to see you around again! Seeing your -100C Club Member name makes...
  25. Replies
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    Oh I see, a same refrigerant cascade. I've made...

    Oh I see, a same refrigerant cascade. I've made them before and they do get much colder, although I can't comment on how well it will handle a load with such low head pressures since I never really...
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