Residential Carrier Thermostat Wiring Diagram. For example if the red wire is connected to w on the thermostat the furnace should turn on. Color of wire and termination. A wiring diagram usually gives information more or less the relative incline and concord of devices and terminals upon the devices to urge on in building or servicing the device.
Furthermore this thermostat wiring diagram is specifically for a system with two transformers. R the r terminal is the power. The yellow wire connects to your compressor. It shows the components of the circuit as streamlined shapes and also the power and signal links in between the tools.
It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit.
Color of wire and termination. Yellow the yellow wire connects to your compressor. The yellow wire connects to your compressor. The rh wire connects to the heating system. It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit.