Do not connect the thermostat directly to your heating system.
Nest thermostat installation high voltage.
I have a 120v fan coil unit and have wanted to install a low voltage thermostat for a while now.
Install nest thermostat with line high voltage.
Installation guide 12 pages 0.
The heat link is necessary even if there are low voltage wires.
1 install the heat link first 2 remove or configure the programmer 3 attach the nest thermostat to the wall.
Switch off mains power you ll be working with high voltage cables so protect yourself and the caution.
The nest app will guide you through thermostat installation but here are some more detailed instructions to walk you through everything you need to do to install your nest thermostat on the wall.
It learns your habits and is controllable using smartphone applications when situations arise and you need to change the settings.
Wire nuts are often used to connect the thermostat to the system.
High voltage current will irreparably damage the nest thermostat.
High voltage cables thermostat by turning off the power before you start fuse box.
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.
It s important to install the heat link before the nest thermostat.
These illustrations use the 3rd gen nest learning thermostat but the steps are the same for the nest thermostat e.
A seriously smart outdoor surveillance camera.
The thermostat has a built in time delay on cooling.
From the looks of it i should be able to just follow your directions though i may need two relays one for the fan and one for the auxiliary.
High voltage thermostats are often built into the wall and typically have two to four thick wires coming out of the thermostat.
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.
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.
Installing the nest thermostat in a new spot if you re installing the nest thermostat and aren t connecting it to any cables within the wall then you ll need to.
Had a lot of electrical issues to resolve no lighting in rooms lack of j box.
Thanks for doing this write up.