Outstanding 4 Wire Thermostat Wiring Diagram

4 wire thermostat wiring diagram what is a wiring diagram.

4 wire thermostat wiring diagram. The basic heat a c system thermostat typically utilizes only 5 terminals. If you recognize what to try to find it ll ended up being acquired behavior. Literally a circuit is the course that enables electricity to circulation.

You can avoid a major headache later on that could damage your entire system. A first look at a circuit representation could be complicated however if you can check out a train map you can check out schematics. There are only four wires going into the existing thermostat red green blue white.

G fan green wire. 1 trick that i 2 to print a similar wiring diagram off twice. This is the most common configuration.

The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. 4 wire or 5 wire thermostat wiring problem question. Turns on the circulating fan.

I show where the wires go at the thermostat the color code then down at the furnace control board. It reveals the parts of the circuit as streamlined shapes and the power and also signal connections in between the gadgets. But here is a list of the most common wire color mappings as seen in many four wire t stat setups.

Honeywell thermostat wiring diagram 4 wire examples. We have a 19 year old condo with an old carrier mercury thermostat. On the back of the thermostat are a number of labeled contacts only the following have wires connecting them.