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  1. #1

    Hmm

    If I use carbon dioxide in the line, what would be the problem?

  2. #2
    Join Date
    Sep 2002
    Location
    South Dakota
    Posts
    6,579


    If you are a DIYer and you have to start out asking why you can't just use water copper as a refrigerant line then you are in for many more goofs if you procede to attempt to install your own system.


  3. #3
    Join Date
    Nov 2004
    Location
    Austin, TX
    Posts
    870

    Thumbs down

    My assumption: "Copper water tubing is not made to hold the pressures seen in AC work."

    Fact: Plumbers copper tubing is measured using the inside diameter (ID) and not the outside diameter (OD) that ACR tubing uses.
    ACR work uses dry nitrogen to pressurize the system during pressure testing to try to avoid introducing moisture into the system. The system is then vacuumed down to remove any noncondensables and water vapor.

    Fact: The materials used in ACR work are designed around certain chemical compatibilities and properties. We do the work safely by using the right materials where needed.

    Opinion: Go mucking around with it using the wrong stuff and you're setting the scene for a world of hurt. CO2 is a no-go for pressure testing in ACR work.

    “I am for doing good to the poor, but...I think the best way of doing good to the poor, is not making them easy in poverty, but leading or driving them out of it. I observed...that the more public provisions were made for the poor, the less they provided for themselves, and of course became poorer. And, on the contrary, the less was done for them, the more they did for themselves, and became richer.”
    ― Benjamin Franklin

  4. #4
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,923
    Refrigeration copper is manufactured cleaner and is dehydrated with sealed ends to keep it clean. There is no way to properly clean out copper that is manufactured for water usage.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  5. #5
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,513
    why not just use a garden hose it is even cheaper

  6. #6
    Join Date
    Sep 2004
    Posts
    3,157

    Talking

    Tin: you know better than to use a garden hose for refer lines

    you save the garden hose for the gas connection

  7. #7
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,721
    I wouldn't put carbon dioxide in the lines either.

    But thats just me.
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    How many times must one fix something before it is fixed?

  8. #8
    Join Date
    Jun 2004
    Posts
    956
    Originally posted by ct2
    Tin: you know better than to use a garden hose for refer lines

    you save the garden hose for the gas connection
    Thats absolutely rediculous ct2,


    you know it can be used for the suction side

  9. #9
    I've used PVC pipe for years, just be sure to use that blue cleaner on the pipe first then apply cement.

  10. #10
    Join Date
    May 2004
    Location
    Illinois
    Posts
    2,843
    Trac-pipe is a lot easier to bend.

  11. #11
    Join Date
    Sep 2004
    Location
    Portage
    Posts
    909
    pvc? trac-pipe? you guys work too damn hard! i use 1/2 inch clear vinyl tubing and barb fittings for my refer. lines! homeowners love to see the change of state from liquid to gas!
    I don’t always drink beer, but when I do I prefer Dos-Equis. I am the most interesting man in the world. Stay thirsty my friends.

  12. #12
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,721
    I came homew super depressed.

    Reading all these easier ways has really lifted my spirit.




    Thanks.
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    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  13. #13
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,513
    i like to use carbon monoxcide also to clean and presure test to. i cannetect a tee in the hose and run another hose to the tail pipe of my truck. works like a charm and i save a lot of time no evactuation need and no nito either
    co displaces air real well

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