Common 24vac neutral side of transformer or l2. Switched 24vac hot side of transformer or l1. Contempory thermostat wiring color codes heat pumps. The green wire underneath your thermostat connects to the fan of your furnace or air handler. Yellow the yellow wire connects to your compressor. Heat pump thermostat wiring a typical wire color and terminal diagram as shown in the diagram you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. C is known as the common terminal. Wiring a thermostat has been designed to be easy. This wire goes to the outside heat pump condenser for reversing valve control. It energizes the compressor contactor in the condenser.
The green wire connects to terminal g on your thermostat.
Black or blue. Heat pump thermostat wiring a typical wire color and terminal diagram as shown in the diagram you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. The colors such as red is for hot and goes to the r terminal. Black or blue. 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. Traditional thermostat wire color codes.
Green the green wire connects to the fan. However depending on who wired the thermostat last they may not have followed the wiring color code. The green wire connects to terminal g on your thermostat. Same with the other colors and terminals. Switched 24vac hot side of transformer or l1. Finally this is for heat pump thermostats. Y wire terminal designation this color is usually a yellow wire and goes to the y terminal. The o thermostat terminal is for this purpose. When tt switched from cooling to heating. Black or blue.
It energizes the compressor contactor in the condenser. Heat pump reversing valve energized to heating mode. This could happen if the wires are swapped on both ends or if there s a spice in the wire somewhere that was not matched up to the correct color. The color of wire r is usually red and c is black. Wiring a thermostat has been designed to be easy. Green the green wire connects to the fan. Contempory thermostat wiring color codes heat pumps. The o thermostat terminal is for this purpose. The green wire connects to terminal g on your thermostat. White the white wire is what connects to the auxiliary heat on your system.
Wiring a thermostat has been designed to be easy. Finally this is for heat pump thermostats. It terminates at the air handler or furnace. C is known as the common terminal. The color of wire r is usually red and c is black. In a heat pump this is for heating and cooling. Contempory thermostat wiring color codes heat pumps. It energizes the compressor contactor in the condenser. Black or blue. The o thermostat terminal is for this purpose.
It energizes the compressor contactor in the condenser. Contempory thermostat wiring color codes heat pumps. Black or blue. Finally this is for heat pump thermostats. The green wire underneath your thermostat connects to the fan of your furnace or air handler. Y wire terminal designation this color is usually a yellow wire and goes to the y terminal. White the white wire is what connects to the auxiliary heat on your system. Orange wire for o and dark blue wire for b depending on the installer of the heat pump and the manufacturer. 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. In a heat pump this is for heating and cooling.
However depending on who wired the thermostat last they may not have followed the wiring color code. Heat pump thermostat wiring a typical wire color and terminal diagram as shown in the diagram you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. Common 24vac neutral side of transformer or l2. Green the green wire connects to the fan. It terminates at the air handler or furnace. Traditional thermostat wire color codes. The color of wire r is usually red and c is black. Orange this wire connects to your heat pump if you have one. 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. C is known as the common terminal.
