First and foremost, the wiring diagram for the Nest Thermostat 3rd Generation requires you to connect a total of five 24-gauge wires. These include three main wires: a blue, a black, and a white wire. The blue wire is the power supply line and should be connected to the main power source.. Properly wiring your Nest thermostat ensures that it functions correctly, controls your heating and cooling system efficiently, and provides you with the desired temperature comfort. In this step-by-step diagram guide, we will walk you through the process of wiring your Nest Third Generation thermostat.
The exposed wire should be straight. 8. Attach the Nest base Pull the wires through the center of the base, then attach it to the wall with the screws. 10. Attach the display. NOR FOR A THIRD PARTY MONITORING SERVICE THAT MONITORS ALARM STATE. 8. YOUR RIGHTS AND THIS LIMITED WARRANTY. Tip: These illustrations use the 3rd gen Nest Learning Thermostat, but the steps are the same for the Nest Thermostat E. 1. Begin installation with the app. Connect the wires to your Nest thermostat's base by following the wiring diagram that you got from the Nest app. Press down on the connector button and insert the wire as far as it can.