Heater Thermostat Wiring Color Code

Thermostat signals and color code.

Heater thermostat wiring color code.

Below is an industry standard thermostat wire color code complete with each wire s function. The yellow wire connects to your. The white wire connects to your heat. References for 4 wire thermostat wiring color code.

The most common is 18 5 5 strand 18 gauge. To install a new thermostat or repair an existing device you ll need to understand the different colors of wires. Lack of standards makes this interesting. Types of thermostat wire.

Tuned the targeting for honeywell thermostat wiring color code deleted ad scripts added more related posts links and added tags. While there isn t an official standard for thermostat circuit wiring colors there is a general pattern. Understanding thermostat wiring colors is the next step. 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.

Thermostat wiring and wire color chart thermostat wiring colors code. Your best bet is to see the manufacturer s documentation both thermostat and hvac. Here is the industry standard thermostat wire color code used for most systems. The 5 strands of wire provide enough functions for the modern.

To install your unit you ll need to connect the correct wires to the terminals on the back of your new thermostat. Color codes for 24v thermostat wires are divided into two groups. Tuned the targeting for 4 wire thermostat wiring color code removed ad code and added tags. The thermostat controls gas heater and separate a c unit so i believe c is wired at the fan relay.

R the r terminal is the power. G and w which are connected to r rc g and w on the thermostat. The main difference setting each apart is the number of colored wires. There are a variety of thermostat wire types.

The thermostat wiring color code guide from wi fi thermostat reviews. 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. Each wire connects to a different terminal and is responsible for a different function. How to wire a thermostat.