Thermostat Wiring Diagram And Colors. It helped me recognize the value of also looking at the colors of the connection. 13 rows thermostat wiring and wire color chart thermostat wiring colors code.
In this hvac installation training video i show how to wire the low voltage thermostat wires into a furnace and ac unit. The thermostat uses 1 wire to control each of your hvac systems primary functions such as heating cooling fan etc. I explain what each of the letter t.
Variety of honeywell mercury thermostat wiring diagram.
See the diagram below for what each wire controls on your system. Y yellow wire to the y terminal. Heat pump thermostat wiring chart diagram hvac the following graphics are meant as a guide only. Wiring a thermostat is a simple step by step process that anyone can do.