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Thread: Oil in system

  1. #1
    Join Date
    Sep 2010
    Location
    Indiana
    Posts
    346

    Oil in system

    I was on a 410a system earlier that was supposed to be just a clean and check... It was a little more than that.

    I didn't even hook the gauges up before cleaning the coil - it was at least 1/2 covered like a lint trap.

    Washed coil and threw the gauges on. High side was about 510 and slowly climbing. It was about 90 outside and 65 IWB.

    Anyways, my question is to the oil being heavy throughout the system. The low side sprayed a considerable amount out when hooking up the gauge. I ended up checking the piston (it was wrong - 65 in place of 61) and oil was running down the front of the coil from opening up the chatleff fitting.

    The unit was overcharged by at least 3/4 of a pound if not 1 pound.

    I'm just asking what distributed the oil through the system heavier than what I normally see.

    Thanks!

  2. #2
    Join Date
    Jun 2014
    Location
    Dover, DE
    Posts
    299
    How is the system laid out in terms of height differance between indoor and outdoor units?

  3. #3
    Join Date
    Sep 2010
    Location
    Indiana
    Posts
    346
    Ballpark of 25 foot lineset. Condenser is about 4 or 5 feet above inside coil.

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