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  1. Very often, I'll see this in conjunction with a...

    Very often, I'll see this in conjunction with a walk-in unit using a door switch.

    As a "cost saving" measure, the check valve around the solenoid is eliminated.

    Doesn't seem to affect defrost...
  2. I've seen standard solenoids operate this way as...

    I've seen standard solenoids operate this way as well.

    At first, I was a little concerned about it. After seeing several with no problems, I simply forgot to worry about it anymore.
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    Figured I'd throw this out for everyone's...

    Figured I'd throw this out for everyone's enjoyment.

    Last week I decided I'd head down to the RSES chapter meeting, so I got home from work, ate dinner and hung out with the family for a little...
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    I see some carbon there from improper brazing...

    I see some carbon there from improper brazing procedures.

    No clue what the brownish stuff is. I agree that it sort of looks like woodchips, but the story about how those got into the story would...
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    Hang the shoe near the thermostat. You will...

    Hang the shoe near the thermostat.

    You will need it again.

    :LOL:
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    :cheers:

    :cheers:
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    Considering that he is in USA where there are...

    Considering that he is in USA where there are fewer license restrictions, there are quite a lot of techs that jump back and forth.

    I don't hold a license at all except for my CFC card which is...
  8. OK. While I've already established my suspicions...

    OK. While I've already established my suspicions of the validity of the undersized receiver diagnosis. I do not buy it, but I want to explore another avenue related to this.

    Let's "assume"...
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    http://www.frikipedia.es/images/thumb/2/28/Extreme...

    http://www.frikipedia.es/images/thumb/2/28/Extreme_Facepalm.png/200px-Extreme_Facepalm.png
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    I think he was referring to the equipment. As...

    I think he was referring to the equipment.

    As far as I'm concerned, if you understand the vapor compression cycle, heat transfer and how to diagnose a control circuit, you should be able to...
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    It's weird. Why would you want to keep...

    It's weird.

    Why would you want to keep sneaking back into a place that has made it perfectly clear they don't want you around?
  12. Thread: subcooling

    by jpsmith1cm
    Replies
    74
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    1,880

    Rack systems are no different than any other...

    Rack systems are no different than any other system.

    Just bigger.

    The benefit would be the same
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    They are VERY nice in certain situations. ...

    They are VERY nice in certain situations.


    I've found them invaluable for cracked flare nuts on flared TEVs where there isn't enough room to get a block and yoke in there after cutting the...
  14. So... Here is the question that must be...

    So... Here is the question that must be answered.

    Is there enough liquid refrigerant between the solenoid valve and the TEVs to fill the receiver from below the bottom of the dip tube to the...
  15. Thread: subcooling

    by jpsmith1cm
    Replies
    74
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    1,880

    This is factually incorrect. Let's look at a...

    This is factually incorrect.


    Let's look at a real life example from a couple of years ago.

    I was called to a walk in freezer. Would not hold temp when the temperature ran above about 90-95...
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    moved this part of conversation to AOP.

    moved this part of conversation to AOP.
  17. jb weld. SHouldn't take you but 3 or four hours

    jb weld.

    SHouldn't take you but 3 or four hours
  18. Thread: subcooling

    by jpsmith1cm
    Replies
    74
    Views
    1,880

    Yep. It can. If you fill the receiver...

    Yep. It can.

    If you fill the receiver completely full of liquid.

    If you've done that, you've already screwed up pretty seriously and probably need to start over.

    On a receiver system, once...
  19. I'm not really a "hoody" guy. I'd take it if...

    I'm not really a "hoody" guy.

    I'd take it if it were the only option, but I'd prefer to just put a hat on.


    I did see the non hoody versions on ebay this evening. I'm liking the USB port in...
  20. Continuing with more thoughts. Have you...

    Continuing with more thoughts.

    Have you torched the receiver? They do fail on occasion and this is sounding a little like a possibility.


    I'd worry a little with the suction stop setup...
  21. Where is the LLSV?

    Where is the LLSV?
  22. Not sure if this is a "tool" or not... Any reviews?

    http://www.homedepot.com/p/Milwaukee-Large-M12-Lithium-Ion-Cordless-High-Visibility-Heated-Hoodie-Hoodie-Only-2376-L/204405060


    There are a couple of different versions. I saw the basic grey one...
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    Not a fan of the "clip the pigtail" method. ...

    Not a fan of the "clip the pigtail" method.

    I've had very, shall we say, mixed success with that, so I just don't use it.

    With the unit running, take temps at all three ports. If you...
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    On a system with a receiver, if the glass is not...

    On a system with a receiver, if the glass is not clear, something is wrong.

    Refrigerant is not a factor.
  25. Thread: subcooling

    by jpsmith1cm
    Replies
    74
    Views
    1,880

    This is the best answer of the bunch. Many of...

    This is the best answer of the bunch.

    Many of the systems that I work on have mechanical subcoolers. We run the liquid through a plate heat exchanger and run a refrigeration circuit through it to...
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