Spectacular Heat Pump Thermostat Wire Colors
The green wire connects to terminal g on your thermostat.
Heat pump thermostat wire colors. If you have a trane carrier goodman lennox ducane heil. Common 24vac neutral side of transformer or l2. Yellow the yellow wire connects to your compressor.
Wiring a thermostat has been designed to be easy. Switched 24vac hot side of transformer or l1. It energizes the compressor contactor in the condenser.
It terminates at the air handler or furnace. Contempory thermostat wiring color codes heat pumps. However depending on who wired the thermostat last they may not have followed the wiring color code.
White the white wire is what connects to the auxiliary heat on your system. C is known as the common terminal. O wire terminal designation this color is typically orange and goes to the o terminal in rheem and ruud it goes to the b terminal.
Black or blue. It s important to note that in some cases the color of the wire does not necessarily mean it connects to that came color one the board. The colors such as red is for hot and goes to the r terminal.
Heat pump reversing valve energized to heating mode. The o thermostat terminal is for this purpose. This wire goes to the outside heat pump condenser for reversing valve control.