Plus AND Minus 12v from AC to Thermostat
I have a Dometic A/C and a Dometic single zone thermostat. The thermostat requires plus AND minus 12 volts. The schematic of the A/C control box indicates that the plus AND minus 12v come from the pow...
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That's saying the + side of 12 vdc and the - side of 12 vdc.
