Does the ecobee3 Lite require a C wire?

Install without a C wire If you don’t have a C wire, you’ll need to use the PEK included to reliably power your ecobee.

What wires does ecobee have?

If you have a C wire, it will power your ecobee.

Can you use a WIFI thermostat without a C wire?

A C-wire, put simply, supplies constant power to your connected thermostat. If you want a smart wifi thermostat but do not have a C-wire to power it, then you can run a new thermostat wire from your thermostat to your furnace.

Do you need jumper wires for ecobee 3?

Discard any jumper wires between Rh, Rc, or R. Your ecobee3 does not need them. Tip: If the wires have completely different labels, please call ecobee support to help with wiring. RCRHG Y W C 11 Step 3. Install Power Extender Kit (PEK) Some thermostats do not have a C-wire. The C-wire is used to reliably provide power to the thermostat.

How to install an ecobee3 home climate system?

Installing your ecobee3 home climate system is easy. Just follow these steps and you’ll be done before you know it. Power off your HVAC system Before doing anything else, power off your system. Label the wires Label each wire with the provided stickers. Install Power Extender Kit The PEK is not required for all installs.

Can you use an ecobee on an old thermostat?

If your old thermostat has 110/120V wires capped with wire nuts, it is a high voltage system and is not compatible with your ecobee3. Note: If you don’t have an existing thermostat, skip to step 3. CH 10 1. Look at the wires coming out of the wall. Take a picture for reference. 2.

How to install an ecobee3 power extender kit?

Install Power Extender Kit The PEK is not required for all installs. If you have a wire labelled “C” or “common”, skip to step 4. Attach back plate to wall Secure the back plate to your wall with the provided screws. Connect wires to ecobee3 Use the stickers from step 2 as a guide and insert the wires into ecobee3 terminal blocks.