Nest Thermostat Black Wire

The nest app won t tell you to connect one do not connect a c wire to your nest thermostat unless the nest app tells you to.

Nest thermostat black wire. This is most often seen in electronic thermostats where only 24 volts are required. Nest thermostat c wire hot topics. Hvac systems with more functions need more wires to communicate to and from the thermostat. The black wire may be linked to the c terminal which controls the transformer.

Sophisticated gadgets and devices even come to increase your house using technologies among which can be nest thermostat. You may also have up to two black wires as well but these are used for various heating systems in the north or for outdoor purposes so for most of you these won t need any attention. The wiring diagram that you ll get from the nest app will tell you to connect the c wire to your nest thermostat. If your current thermostat has a wire in the c terminal.

The most common is 18 5 5 strand 18 gauge. Types of thermostat wire. The problem is my aquastat only has two posts for the 2 existing thermostat wires. Wires labeled s or s1 can be indicator lights or sensor wires.

Nest thermostat c wire how to wire a. Install your nest thermostat without these wires. Europe and middle east. I am a newbie to electrical stuff and had to look up a few of the wire names as my default thermostat had an r wire but the nest has an r1 and r2 socket.

The nest thermostat does not need this. Remove your existing thermostat take a picture of the wire connections hook up the nest using similar wire connections. There are a variety of thermostat wire types. I m going to install the nest e thermostat but want to add a third wire to serve as a c wire.

So i m going to buy a new spook of wire and i only want to use three of the wires i m assuming the harness comes with more than three wires. The 5 strands of wire provide enough functions for the modern. The nest thermostat does not need these wires. The main difference setting each apart is the number of colored wires.

If you re still a little confused and i can understand why you would be i have added a thermostat wiring made simple video for you to look at which isn t. C terminals are connected to the common wire which is most often black but can also be other colors. The nest thermostat uses its lcd display instead of an indicator light and gets sensor information like outdoor weather conditions over wi fi.