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  1. #1
    Join Date
    Nov 2001
    I need to find out if anyone has a schematic for an old sun dial heat pump condenser unit. A couple of wires were taken off some relays . I have a blue wire coming from the contactor and I have no idea . I tried to place it on one of the fan relays but it just burns the relay. One relay is on top the other is on the bottom. The unit runs on cool but not on heat. Please help. I have no data plate either, I have no idea what size unit .

  2. #2
    Join Date
    Jul 2005
    SunDial that unit has to be around 20+ some years old. Since Square D was the parent company for SunDial, you may want to contact them.

  3. #3
    Join Date
    Nov 2001
    called Square D was told that they have no information on these sundial units. the guy told me to sell the man a new unit.Great pitch . The problem is the schematic

  4. #4
    Join Date
    Mar 2004
    Grottoes VA
    A new unit would pay for itself in a couple of years.

    Karst means cave. So, I search for caves.

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