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    charles1963's Avatar
    charles1963 Posts: 4, Reputation: 1
    New Member
     
    #1

    Jan 16, 2009, 09:43 AM
    New heat pump
    Why does my heat pump run a long time,like at least a hour then cuts off for about five mintes then starts back up again? #2 why does the big fan on the pump stop turning sometimes? #3 what temp. should I be getting from my vents with the heat on,and should it remain the same no matter what the outside temp. is?
    dac122's Avatar
    dac122 Posts: 463, Reputation: 17
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    #2

    Jan 16, 2009, 11:56 AM
    Quote Originally Posted by charles1963 View Post
    #2 why does the big fan on the pump stop turning sometimes?
    You are likely in defrost mode when the OD fan stops.

    Quote Originally Posted by charles1963 View Post
    #3 what temp. should i be getting from my vents with the heat on,and should it remain the same no matter what the outside temp. is?
    Indoor vent discharge temp will drop with outdoor temp, or as the lift (delta t between ID and OD temps) becomes larger.
    charles1963's Avatar
    charles1963 Posts: 4, Reputation: 1
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    #3

    Jan 16, 2009, 12:19 PM
    Quote Originally Posted by dac122 View Post
    You are likely in defrost mode when the OD fan stops.



    Indoor vent discharge temp will drop with outdoor temp, or as the lift (delta t between ID and OD temps) becomes larger.
    Thanks for your reply

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