Heat Pump Wiring Diagram T Stat Wires. Wiring diagram images detail. On a rheem air handler model rhll hmja the low voltage wires are rywbkgbkbrwb.
Before uninstalling the old thermostat take a picture of the wiring with your cell phone before removing the wires. S indoor and outdoor wired sensors. Look for any connections marked to the thermostat and follow to what they go to.
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.
However ive gotten twisted up over matching the new units terminals with the existing ones wires. Before uninstalling the old thermostat take a picture of the wiring with your cell phone before removing the wires. S indoor and outdoor wired sensors. If not the structure wont function as it ought to be.