Home A C Thermostat Wiring Diagram. See the diagram below for what each wire controls on your system. Ad nest thermostat installation in london surrounding areas.
We identified it from well behaved source. Red now there can be two separate wires for this. Diy enthusiasts use wiring diagrams however they are also common home based building and auto repair.
Orange this wire connects to your heat pump if you have one.
Yellow the yellow wire connects to your compressor. We put up with this nice of thermostat wiring colors graphic could possibly be the most trending subject as soon as we share it in google plus or facebook. If your homes system of this vintage has provisions for air conditioning cooling then the thermostat wiring will have at least three wires some will require a separate r terminal for heating and cooling and will be labeled rh and rc now needing a minimum of 4 wires r w and a y terminal. Orange this wire connects to your heat pump if you have one.