Heating Thermostat Wiring Colors

R the r terminal is the power.

Heating thermostat wiring colors.

My paperback and e book. Color of wire and termination. The white wire connects to your heat. Plus i m anything but a technician so what i have detailed below is here purely as a guideline.

Thermostat wiring and wire color chart thermostat wiring colors code. Trade model thermostats are required to operate dual fuel systems systems that use a heat pump for the first 1 or 2 stages of heating and use a gas or oil furnace for backup emergency heating. If you have a dual fuel system or are unsure it is recommended that you contact a professional hvac contractor to continue. Thermostat wiring tips color codes thermostat wire installation tips and wier color decoder tips on thermostat wiring color code conventions old timer tips on shorting out thermostat wires on purpose to identify which wire is which shorting out thermostat wires leads to loss of heat this article describes several tricks of the trade used by professionals when installing room.

The yellow wire connects to your. The main difference setting each apart is the number of colored wires. To install your unit you ll need to connect the correct wires to the terminals on the back of your new thermostat. What i would like you to know is the information detailed below is based on the industry standard yet not all thermostats will work this way simply because letters and numbers are used as well as color.

The 5 strands of wire provide enough functions for the modern. There are a variety of thermostat wire types. Here is the industry standard thermostat wire color code used for most systems. The white wire underneath your thermostat connects to your heating system.

Understanding thermostat wiring colors is the next step. Keep the following list handy whenever you decide to peak behind your thermostat. Hvac systems with more functions need more wires to communicate to and from the thermostat. It terminates at your air handler or furnace.

Below is an industry standard thermostat wire color code complete with each wire s function. Types of thermostat wire. The most common is 18 5 5 strand 18 gauge.