To Thermostat Pump Heat Wiring Ruud Diagram Proth3210d. The thermostat wire that you want to run from the air handler to the heat pump is typically going to be 1816 or 188 water. First thought remember i was hot at the time was to connect the two and turn the thermostat to cool for heat and then turn it to heat to cool.
When you use your finger or stick to the circuit together with your eyes its easy to mistrace the circuit. The stage one heating and cooling wire is typically yellow and labelled y y1 or m. This connects to the y terminal.
Terminal block notes c terminal the c common wire terminal is optional when thermostat is powered by batteries.
Print the cabling diagram off in addition to use highlighters to trace the circuit. The reversing valve wire for cooling is typically orange but is occasionally blue and labelled o. If not the furnace will. L terminal heat pump reset.