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Type: Posts; User: rayr

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  1. Replies
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    Speaking of benders,,,,,I tossed away my yellow...

    Speaking of benders,,,,,I tossed away my yellow jacket bender (Just got tired of 7/8 kinking all the time) went the extra $$$$$ and bought the REMS. Perfect bend first time, everytime.
    I had one...
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    332

    Don't suppose anyone checked the superheat???

    Don't suppose anyone checked the superheat???
  3. What the hell is this trade turning into? What...

    What the hell is this trade turning into? What has happened to "Only 2 chemicals belong in a refrigeration system, oil and refrigerant"? This stuff is going to come back and bite em in the buttttt,...
  4. Thread: Copeland K body

    by rayr
    Replies
    19
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    429

    STP :LOL:

    STP :LOL:
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    A cool compressor is a Happy Compressor. :)

    A cool compressor is a Happy Compressor. :)
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    1,316

    Oh no, an electric wire that is leaking water is...

    Oh no, an electric wire that is leaking water is absolutely the worst.
  7. Thread: r12 walk in

    by rayr
    Replies
    94
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    1,610

    .

    .
  8. Replies
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    2,797

    Preston book states that the TB unit has a SEER...

    Preston book states that the TB unit has a SEER of around 6.2.
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    2,797

    It is only 40 years old!!!!!!

    Sonny she says to me ( I am 70 and she calls me sonny) I had an electrician fix the wiring and now it won't work. Nice didn't even put a disconnect on it and ground wire not connected in unit. I was...
  10. Is it a compression fitting or a flare union???...

    Is it a compression fitting or a flare union??? May look the same but are very different.
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    356

    If it is POE, change the oil.

    If it is POE, change the oil.
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    356

    Why would you want to vacuum over the weekend...

    Why would you want to vacuum over the weekend when a good thermistor vacuum gauge will tell the story really quick. If it is mineral or ally oil, I would put it together, new drier (over size if...
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    4,160

    Was just talking with CDave about this thread and...

    Was just talking with CDave about this thread and having a good laugh. He would have a field day with this thread about the refrigeration sub cooling. LOL
  14. If it goes into a vacuum and you suspect the x...

    If it goes into a vacuum and you suspect the x valve has ice between the needle and seat, heat it up and if the refrigerant flies through it, you have the answer. Keep changing the drier and maybe...
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    If there is a stub, I use a pinch off tool and...

    If there is a stub, I use a pinch off tool and braze in an access fitting. Re-form the tubing and it is a done deal.
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    On an air cooled refrigeration condensing unit...

    On an air cooled refrigeration condensing unit with a receiver and clean condenser coil and clean eval coil (always a must) if your sight glass is clear, you are just spinning your wheels checking...
  17. Thread: pump down

    by rayr
    Replies
    19
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    727

    Stay away from whoever told you that reasoning....

    Stay away from whoever told you that reasoning. Many systems have a CPR (crank case regulator) on them to keep the load low on the compressor when new start up or coming out of defrost.
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    Those ohm readings are wayyyyyyyy off. r-s ohms...

    Those ohm readings are wayyyyyyyy off. r-s ohms should be total of c-r and c-s. Make sure everything is disconnected for comp terminals before measuring resistance.
  19. Thread: pump down

    by rayr
    Replies
    19
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    727

    Refrigerant will always migrate to the coldest...

    Refrigerant will always migrate to the coldest area of the system.
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    839

    To be technical, at end of defrost cycle----heat...

    To be technical, at end of defrost cycle----heat removal begins :.02:
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    9 SH at the compressor???? Kind of low and 22...

    9 SH at the compressor???? Kind of low and 22 suction is a tad high for a 40 deg box. I would recover some refrigerant. Most I work on run about 15 or sometimes lower depending on the engineering....
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    If it is a recip with a single phase cond fan...

    If it is a recip with a single phase cond fan motor rotation does not matter. If it is a scroll, compressor will make quite the racket when it runs wrong rotation. It will require defrost.
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    As an old timer, if you charge it slowly and wait...

    As an old timer, if you charge it slowly and wait till the frost is apron. 6" from compressor when it shuts down on t'stat, you are not going to get any closer than that.
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    This "student" has given a lot of information...

    This "student" has given a lot of information regarding this system. (more than some do) given it some thought and checked most all of the components. It is evident from his posts that the evaporator...
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    Low voltage wiring is special.

    Low voltage wiring is special.
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