This is a cooling only fan coil system.
Nest thermostat e high voltage.
You would love to have the nest thermostat but you have line voltage heaters.
It learns your habits and is controllable using smartphone applications when situations arise and you need to change the settings.
Connect the control circuit.
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.
Your nest thermostat s display has a unique serial number.
The nest charging problem has been solved by connecting the c ac common wire from my furnace to the nest.
Your thermostat will also turn off features like wi fi to preserve battery life before it must turn off completely.
In addition to the basics explained before in regard to wiring a nest learning thermostat to a high voltage system i want to use the nest to set the fan speed of which there are 3.
Nest thermostats don t have a touch screen.
In some cases it is possible to make a high voltage system nest compatible.
Well now you can control your 240v heaters with this solution and get control o.
The fan coil unit is new high voltage and has a motor with 3 speed settings.
Nest thermostat update and voltage measurements.
12v power to thermostat call for heat common satisfied optional 230v ac live and neutral input power thermostat install heat link 5.
The 2018 nest learning thermostat 3rd generation is not only compatible with high voltage systems but it works as your best friend who is an agoraphobe and never leaves the house.
Use it just like a normal thermostat turn the ring up when you want it a little warmer and turn it down when you want it a little cooler.
Select your thermostat below.
Your nest thermostat uses the voltage from your system s wires to keep its internal battery charged.
Nest learning thermostat 3rd gen nest thermostat basics.
Contact a local pro and have them install a step down transformer to 20 30v.
The nest thermostat e will list a device id that s unique to your display.
If the power to your system is switched off or there s a blackout the battery has enough capacity to keep working for a while.
Link before the nest thermostat otherwise high voltage current will irreparably damage the nest thermostat 12.
I have had my nest gen1 for almost 16 months now and i probably could not go back to a regular dumb thermostat given the choice.