Heater Thermostat Wiring Color Code

The thermostat wiring color code guide from wi fi thermostat reviews.

Heater thermostat wiring color code.

Tuned the targeting for 4 wire thermostat wiring color code removed ad code and added tags. Color of wire and termination. To install your unit you ll need to connect the correct wires to the terminals on the back of your new thermostat. Here is the industry standard thermostat wire color code used for most systems.

Thermostat signals and color code. The 5 strands of wire provide enough functions for the modern. While there isn t an official standard for thermostat circuit wiring colors there is a general pattern. How to wire a thermostat.

The white wire connects to your heat. R the r terminal is the power. The yellow wire connects to your. 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.

There are a variety of thermostat wire types. Color codes for 24v thermostat wires are divided into two groups. The main difference setting each apart is the number of colored wires. 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.

Below is an industry standard thermostat wire color code complete with each wire s function. Each wire connects to a different terminal and is responsible for a different function. Thermostat wiring and wire color chart thermostat wiring colors code. Understanding thermostat wiring colors is the next step.

References for 4 wire thermostat wiring color code. G and w which are connected to r rc g and w on the thermostat. Tuned the targeting for honeywell thermostat wiring color code deleted ad scripts added more related posts links and added tags. Your best bet is to see the manufacturer s documentation both thermostat and hvac.

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. The most common is 18 5 5 strand 18 gauge. The thermostat controls gas heater and separate a c unit so i believe c is wired at the fan relay. To install a new thermostat or repair an existing device you ll need to understand the different colors of wires.