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  1. Replies
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    Vapor, it's about the vapor! And a change in...

    Vapor, it's about the vapor! And a change in state!


    What do you mean, you can't compress liquid!
  2. 30, 40 min defrosts per day, now that's funny! ...

    30, 40 min defrosts per day, now that's funny!


    Sent from my iPhone using Tapatalk
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    Why? Sent from my iPhone using Tapatalk

    Why?


    Sent from my iPhone using Tapatalk
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    How about two 5 ton Fujitsu cassette systems ...

    How about two 5 ton Fujitsu cassette systems


    Sent from my iPhone using Tapatalk
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    It does seem logical, and no doubt it works....

    It does seem logical, and no doubt it works.
    Thanks for the reply.
    Flange
  6. Replies
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    Walkin cooler temp control placement?

    I just replaced a ranco cooling control with a johnson A419 digital control, for a walkin cooler. Evap fans in the back of the cooler. I placed the thermo sensing bulb for the control at 1/2 way...
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    Yea check the zone sensor, make sure fan is in...

    Yea check the zone sensor, make sure fan is in auto, and program allows fan to do what you want it to do, ie cycle or continuous run.
  8. So what's the verdict on the Bullet?

    So what's the verdict on the Bullet?
  9. Replies
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    If I am charging up small reach in cooler,...

    If I am charging up small reach in cooler, ambient temp= 70f, add 30= 100f convert to 124 psi which is proposed high side press. for 134a. This is a cap tube sys. What should temp be at condensor...
  10. ok makes sense, is this what tech's mean when...

    ok makes sense, is this what tech's mean when talking about glide?
  11. Being a pure refrigerants, R134a, R12 and R22 can...

    Being a pure refrigerants, R134a, R12 and R22 can be charged either way. The blends like R401A, R409A, R410A and all in the 400 series of refrigerants must be charges as a liquid.

    The Azeotropes...
  12. Replies
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    Thanks for the info R-12. When you say bleed high...

    Thanks for the info R-12. When you say bleed high into low, you mean open high and low valves on the manifold let pressures equalize?
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    Thanks a lot 404, You be very wise man, I must...

    Thanks a lot 404, You be very wise man, I must say.
  14. Replies
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    Not a prob bud, We are only human, my exwife...

    Not a prob bud, We are only human, my exwife doesn't think so, but she's a nontypical a$$hole anyway.
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    Reliableac, 85 + 30 = 115, converted to 134a temp...

    Reliableac, 85 + 30 = 115, converted to 134a temp press scale is about 157 159 discharge press, I believe you are a little off.
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    R404a, this unit has a constant cut in coil...

    R404a, this unit has a constant cut in coil sensing t stat, what is the bast way to tell if this type tstat is bad?
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    ok here goes, I'm a bit green with charging small...

    ok here goes, I'm a bit green with charging small equipment.
    I have a sandwich prep table at subway.

    Cap tube
    R-134a
    Kitchen ambient 85 degrees

    Found evap froze, block of ice, evap fan...
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    I did not check the ohm value I was just trying...

    I did not check the ohm value I was just trying to get my meter to sound off telling me I had continuity.
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    I'm just trying to ring out the coil to check if...

    I'm just trying to ring out the coil to check if it is good or bad.
  20. Replies
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    On a Potential relay, say a mars 66, It seems to...

    On a Potential relay, say a mars 66, It seems to me that I should have continuity between terminals 2 and 5, Why is it that I don't have this when I am checking to see if the relay is good. Ther is...
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    Thanks alot man. I've been to copeland's site, I...

    Thanks alot man. I've been to copeland's site, I think it could have been designed better, tough to navigate.
  22. Replies
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    What's an SST?

    What's an SST?
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    Is there a coversion between compressor btus to...

    Is there a coversion between compressor btus to comp. horsepower?
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    Oh yea the filter driers always get changed. I...

    Oh yea the filter driers always get changed. I went back today and I believe I was about 4 pounds under charged. This system has a subcool valve that does the totaly opposite that a txv would. The...
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    I have the mueller service book and I might be...

    I have the mueller service book and I might be slightly undercharged I put 11.5 pounds in and book calls for 16. it says should have a condensing temp of 95deg at condensor outlet at milk temp lower...
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