Looking Good Hvac Wires Colors

Heat pump thermostat wiring diagram 4 wire color code onehoursmarthome com colors terminals explained smarthomelab net codes and conventions guide to making install simple fast diagrams installation 220 electric full version hd quality constellationdiagrams chamblybad fr head unit pvdiagram4s soluzionevacanza it how construct controls hvac oragamidiagrams sbox67 heat pump thermostat wiring.

Hvac wires colors. Rh wire connects to rh terminal. Industry standard for geothermal heat pumps. March 22 2016 colorpaints leave a comment.

What the color code means for air conditioner and furnace thermostat wires. Here are common usesfor wire colors. A cooling system with two compressors or a two stage compressor need a y2 terminal so the thermostat is able to control the second stage of cooling.

We give a summary tables of both traditional and current thermostat wire color code keys above. The terminals inside the thermostat are probably marked r and w. Y wire connects to the y terminal and is for cooling stage 1.

Blue yellow green white and red. Color codes for 24v thermostat wires are divided into two groups. The color of the wire varies from installer to installer but it appears light blue is usually the go to color for this terminal.

Red wire connects to the r terminal. These colors are used as follows. Typical low voltage 18 5 thermostat wire includes five colors.

Enables continuous power flow from the red wire. However an installer may have used any color when installing the wire to the w2 terminal. This thermostat wire color code will help homeowners understand the anatomy of their thermostat.