Recommendation House Thermostat Wiring Diagram
Red now there can be two separate wires for this.
House thermostat wiring diagram. Green the green wire connects to the fan. A basic two wire thermostat can be compared to a simple single pole switch that you will find throughout your home only instead of you turning the switch on and off as required a mechanical or electronic temperature controlled mechanism is the operator of. The o b wire can have many configurations.
A wiring diagram is a streamlined standard photographic representation of an electric circuit. Just take a look at the picture below the diagram. For the y y1 and y2 wires y or y1 will go to the y terminal and y2 will go to the y2terminal.
Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable g green wire controls fan on auto the diagram shows how the wiring works. Let s take a look at the g wire. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage.
If you have a c wire place it into the c terminal on your wall plate. The orange wire connects to terminal o on your thermostat. White the white wire is what connects to the auxiliary heat on your system.
If you do have two transformers then your old thermostat had a red wire on the rc terminal. This guide will explain how to wire a thermostat in your home. The red wire or 24 vac power lead is connected straight to the rc.
I show where the wires go at the thermostat the color code then down at the furnace control board. With today s programmable thermostats and wi fi thermostats wiring your own system has never been easier however it still requires a thorough setup. The basic heat a c system thermostat typically utilizes only 5 terminals.