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    blbdl1's Avatar
    blbdl1 Posts: 1, Reputation: 1
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    #1

    Dec 11, 2012, 02:52 PM
    Should the fan run when the heat is on
    Should the outside fan run when I am running the heat
    And there are two lines on the outside unit what are they for and which direction should the valve be turned
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Dec 11, 2012, 06:35 PM
    Sounds like you have a heat pump & yes the outdoor fan should run in heating. Of the two copper lines, the large one should be hotter than the small. DON'T MESS WITH THE VALVES.
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