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    ronkush Posts: 1, Reputation: 1
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    #1

    Jan 3, 2011, 12:06 PM
    Heating and air conditioning
    I have a 397h Carrier furnace. The circulating fan runs continuously. The thermostat is OK and I removed the fan only wire.Is there a low limit switch on this furnace and could this be the problem? Where can I get a wiring and parts diagrams?
    ronkush

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