Heater Thermostat Wiring Color Code

The thermostat controls gas heater and separate a c unit so i believe c is wired at the fan relay.

Heater thermostat wiring color code.

Tuned the targeting for 4 wire thermostat wiring color code removed ad code and added tags. Understanding thermostat wiring colors is the next step. Below is an industry standard thermostat wire color code complete with each wire s function. Types of thermostat wire.

The yellow wire connects to your. G and w which are connected to r rc g and w on the thermostat. While there isn t an official standard for thermostat circuit wiring colors there is a general pattern. The 5 strands of wire provide enough functions for the modern.

Your best bet is to see the manufacturer s documentation both thermostat and hvac. The most common is 18 5 5 strand 18 gauge. Thermostat signals and color code. How to wire a thermostat.

To install your unit you ll need to connect the correct wires to the terminals on the back of your new thermostat. The white wire connects to your heat. Thermostat wiring and wire color chart thermostat wiring colors code. Tuned the targeting for honeywell thermostat wiring color code deleted ad scripts added more related posts links and added tags.

Here is the industry standard thermostat wire color code used for most systems. From the looks of your wiring and if they went by the normal wire color code of how heat pump wires should be wired then you should be able to get your thermostat wired correctly. References for 4 wire thermostat wiring color code. R the r terminal is the power.

Color of wire and termination. To install a new thermostat or repair an existing device you ll need to understand the different colors of wires. There are a variety of thermostat wire types. We give a summary tables of both traditional and current thermostat wire color code keys above the 5 universal base colors for thermostat wires which are in order of frequency of use red white green yellow and black.

Each wire connects to a different terminal and is responsible for a different function. The main difference setting each apart is the number of colored wires. Hvac systems with more functions need more wires to communicate to and from the thermostat. Lack of standards makes this interesting.