The nest thermostat only supports low current systems since they are by far the most common.
Using nest with high voltage.
Installing a compatible smart thermostat is quick and easy.
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.
The fan coil unit is new high voltage and has a motor with 3 speed settings.
It s also overly complex and dangerous.
Do not skip it s important to install the heat link before the nest thermostat otherwise high voltage current will irreparably damage the nest thermostat 12 12v power to thermostat call for heat common satisfied optional 230v ac live and neutral input power thermostat.
It learns your habits and is controllable using smartphone applications when situations arise and you need to change the settings.
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.
Install nest thermostat with line high voltage i am new to reddit so i put my step by step instructional guide with pictures on how to install a nest thermostat when you have line voltage and baseboard electric heat in home improvement instead of directly into the nest subreddit.
Today s best known smart thermostats from manufacturers like ecobee nest and honeywell are desig.
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.
Install nest thermostat with line high voltage i have made a step by step instructional guide with pictures over at nest s community page on how to install and use a nest thermostat when you have line voltage and baseboard electric heat.
Nest and ecobee thermostats were made to control low voltage 24v heating systems and electric baseboard heating is high or line voltage 120v or 240v.
They work with all common fuel types including natural gas oil and electricity.
Simply put they are not compatible.
This is a cooling only fan coil system.
Google nest thermostats are designed to work with most 24v systems even older systems.
You ve probably heard the term low voltage or 24v while researching smart thermostats but if you re early in your research you might not yet know the difference the difference is critical.