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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The MINUS 12VDC is a 'Negative' from the NEGATIVE Terminal supplied by battery...either at converter Battery Negative or Battery Negative post.
NOT a 'Chassis Gound connection.
Wire bundle coming out of control box......
MINUS 12VDC is the BLACK wire
POS 12VDC is the RED Wire
Furnace are the TWO BLUE Wires
Load Shedding are the TWO YELLOW Wires (Used with a EMS---Energy Management System Control)
NOT a 'Chassis Gound connection.
Wire bundle coming out of control box......
MINUS 12VDC is the BLACK wire
POS 12VDC is the RED Wire
Furnace are the TWO BLUE Wires
Load Shedding are the TWO YELLOW Wires (Used with a EMS---Energy Management System Control)
