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  1. #14
    Join Date
    Nov 2008
    Location
    Northern California, foothills.
    Posts
    213
    Quote Originally Posted by garyed View Post
    It's not uncommon for a unit not to pump down all the way & it doesn't mean there is anything wrong with the compressor especially if there is a long line set involved. Either way I've found the fastest thing to do in that situation is just take the recovery can, hook it up to the high side while the unit is running normally & let it pump a few lbs. into the can. After you lighten the freon load a little it usually pumps into a vacuum real quick. You don't even have to bother hooking up the recovery unit. I've done it hundreds of times with rarely a problem.
    I like this idea a lot. This and getting a heat gun for what should
    have been to me obvious icing.

    Thanks again to all.

  2. #15
    Join Date
    Nov 2012
    Posts
    9
    One thing to be careful of on newer condensors with micro channel coils is pumping them back. Most manufactures do not recomend this at all, you can damage the compressor.

  3. #16
    Join Date
    Nov 2008
    Location
    Northern California, foothills.
    Posts
    213
    What is "pumping them back?"
    Thank you.

  4. #17
    Join Date
    Nov 2012
    Posts
    9
    Sorry I mean pump down. They will not pump down anywhere near 0 psi. Sorry

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