Nest High Voltage Conversion

I m installing a nest gen 2 thermostat in my eichler and am using a honeywell relay ra89a to convert from high voltage to low voltage.

Nest high voltage conversion.

High voltage thermostats are usually labeled 110 115 120 or 240 vac note. I have a millivolt system and i connected it to the nest with a 24vdc source like you mentioned. A typical high voltage thermostat with 2 4 black and red wires. Nest thermostat high voltage hack installation high voltage conversion i am a licensed electrician that specializes in commercial building automation lighting controls fire alarm and security systems.

High voltage thermostats are often built into the wall and typically have two to four thick wires coming out of the thermostat. I don t see the need for the relay. Wire nuts are often used to connect the thermostat to the system wires. Today s best known smart thermostats from manufacturers like ecobee nest and honeywell are desig.

It learns your habits and is controllable using smartphone applications when situations arise and you need to change the settings. 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. Done the relay is assuming you have a high voltage system but the name millivolt is self explanatory there is no high voltage. I m wondering if i can place the relay right behind the thermostat and if this would cause any issues.

A typical low voltage thermostat with multiple small wires in different colors. 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. I ll post the diy photos as soon as i complete this project. In some cases it is possible to make a high voltage system nest.

On 2019 04 26 by mod convert a honeywell t6373a1108 thermostat on a high voltage circuit to use a nest thermostat anon it is indeed possible to convert a line voltage thermostat controlled heater to use a low voltage room thermostat.