Heating Thermostat Wiring Colors

The 5 strands of wire provide enough functions for the modern.

Heating thermostat wiring colors.

So here we show examples of honeywell thermostat wiring color code for these higher wire count t stats. Types of thermostat wire. The main difference setting each apart is the number of colored wires. There are a variety of thermostat wire types.

Hvac systems with more functions need more wires to communicate to and from the thermostat. 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. My paperback and e book. State of the art hvac systems these days in addition to the original single stage heating provision often include a second stage heater as well as one or two stages of cooling central ac.

The white wire underneath your thermostat connects to your heating system. To install your unit you ll need to connect the correct wires to the terminals on the back of your new thermostat. Thermostat wiring and wire color chart thermostat wiring colors code. Keep the following list handy whenever you decide to peak behind your thermostat.

It terminates at your air handler or furnace. 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. 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. Color of wire and termination.

The yellow wire connects to your. The white wire connects to your heat. Below is an industry standard thermostat wire color code complete with each wire s function. Plus i m anything but a technician so what i have detailed below is here purely as a guideline.

Understanding thermostat wiring colors is the next step. 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. R the r terminal is the power.