The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat.
Carrier ac thermostat wiring.
My paperback and e book.
The red wire controls the main power switch for the heater and the cooler.
Red wire to rh or rc which are usually bonded.
Color of wire and termination.
R the r terminal is the power.
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.
Assuming the wires follow the standard color code you ll be making the following basic connections for a single zone heat pump.
Thermostat wiring and wire color chart thermostat wiring colors code.
The thermostat is the primary way to control heating and cooling in your home and it can be as simple or advanced as you want from traditional to smart thermostats carrier gives you top of the line controls for your home heating cooling and air quality needs.
Carrier thermostat wiring honeywell thermostat wiring it s all basically the same.