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Thread: House Air Conditioner Question

  1. #1
    JetBoatRich
    What causes it to freeze up the blower unit in the house :yuk:

  2. #2
    Mandelon
    Set too cold and high humidity?

  3. #3
    Ziggy
    Or maybe a bad evap temp sensor??

  4. #4
    riverroyal
    could be low on refrig

  5. #5
    JetBoatRich
    Set too cold and high humidity?
    set at the mid 70's and humidity is 33%

  6. #6
    Trailer Park Casanova
    Low freon usually, or bad expansion valve if you have one.
    At your furnace/air handler, do you have a 1/4" copper line going in with a valve on it that looks like this:
    http://www.hvacmechanic.com/images/txvalve.gif

  7. #7
    Ziggy
    or bad expansion valve .
    Doesn't the Evap sensor connect to the exp. valve???? I wanna earn some brownie points too

  8. #8
    Trailer Park Casanova
    Doesn't the Evap sensor connect to the exp. valve???? I wanna earn some brownie points too
    Yep, Zig, you're right on the money, and get a gold star next to your name too.

  9. #9
    riverroyal
    i need a new apprentice,you busy?

  10. #10
    JetBoatRich
    Low freon usually, or bad expansion valve if you have one.
    At your furnace/air handler, do you have a 1/4" copper line going in with a valve on it that looks like this:
    http://www.hvacmechanic.com/images/txvalve.gif
    I have a line going into the furnace/air handler, it goes into the front and I do not see a valve

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