Honeywell Wiring Diagrams Red Yellow Green Blue And Wires

How are these wires connected.

Honeywell wiring diagrams red yellow green blue and wires. At thermostat wire connections 6 wire red white blue yellow green orange wires which has a live link there to jump right to that article. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. This electrical wiring question came from christie in phoenix arizona. R the r terminal is the power.

The green wire connects to the g thermostat terminal whose function is to either control the system s fan or serve as a relay to the blower controls. 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. It s there so you can supply power to the heating and cooling switches with a single wire which is usually red. The red wire the red wire r rc rh connects the high side of the output of the control transformer to the t stat.

Honeywell thermostat wiring diagram 4 wire examples. Green the green wire connects to the fan. The wires are blue green white orange and red. The blue brown or b lack wires also referred to as the c wire this wire connects the low side of the output of the low voltage power to the t stat.

Note that in our case we had to use the green wire for c as discussed below because there were only four wires coming from. You ll probably see a thermostat jumper wire connecting the rc and rh terminals. Red now there can be two separate wires for this. On this page you will find a quick reference to standard wiring code options offered by honeywell as well as definitions of commonly used wiring terms.

I am trying to rewire a 5 wire honeywell thermostat. Thank you for your electrical wiring questions. One is for cool and the other is for heat hence the abbreviation rh and rc. How is a honeywell thermostat wired.

Color of wire and termination. The table above provides a more complete list of honeywell thermostat wiring colors and their uses. Wiring codes can change depending on the customer s instrumentation and the sensor s output type. Yellow the yellow wire connects to your compressor.

Was going to replace my fathers wall thermostat with a digital honeywell it is old the thermostat is a carrier type there r 2 s on it hho1ad040c t87f 2907. Thermostat wiring and wire color chart thermostat wiring colors code. C 24 vac common you might see blue purple or brown typically used for this wire. On 2018 12 26 by bruce mcpherson.

Blue this is your common or c wire.