Nest T Stat Wiring Diagram
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 t stat wiring diagram. High voltage wires if your thermostat is labeled 120v or 240v or has thick wires with wire nuts or has l1 and l2 terminal blocks your system is high voltage and isn t compatible with the nest thermostat. If your current thermostat has a wire in the c terminal. Get pro installation for a dual fuel system a dual fuel heating and cooling system also called a hybrid or packaged system is a combination of a heat pump for primary heating and cooling and a furnace usually gas or oil that provides a second and or third stage of heating. Incompatible wiring and voltage stranded wires stranded wires aren t compatible with the nest thermostat.
The main trouble is dealing with those different colored wires knowing which one does what and if that wasn t enough you also have numbers and letters to deal with. One of the biggest complaints or rather reasons for confusion i have come across is down to the fact that many thermostats on the market don t work if your system isn t equipped with a c common wire. Find your nest t stat wiring here for nest t stat wiring and you can print out. So if the old thermostat isn t in a good spot install nest somewhere new using the included power plug and cord or using the stand for nest learning thermostat sold separately the nest thermostat should be.
For the thermostat wiring colors code for this terminal if equipped consult with the installer. The wiring diagram that you ll get from the nest app will tell you to connect the c wire to your nest thermostat. If you re not sure which kind of system you have you can quickly pop off your current thermostat and take a look at the wiring. Nest thermostat no common wire nest thermostat needs no common wire problem solved how to connect the nest thermostat without a common wire.
The nest thermostat and nest app will show you system status information without connecting l wires. Search for nest t stat wiring here and subscribe to this site nest t stat wiring read more. If your current thermostat doesn t have a wire in the c terminal. The nest will work with any low voltage system but it won t work with high voltage systems also known as line voltage at all.
Installed so that it can communicate wirelessly with heat link up to a maximum distance of 30m the home s. Find your nest stat wiring diagram here for nest stat wiring diagram and you can print out. O or b these terminals are for heat pumps and the b t stat terminal is used on for rheem or ruud and any manufacturer that energizes the reversing valve in heating mode for the heat pump.