Many older homes don’t have a C-wire because mercury and battery-powered thermostats didn’t require one. A lot of houses have the thermostat wire run for it but the installer just cut it off to hide it. I have read here and there people suggesting this is a no no because of having too many transformers on the system, but I have no idea if this is the case. Now connect the red wire from the boiler into the RH slot and your white wire into the W1 slot. Pictured: ecobee3 lite, one of our favorite thermostats. // ]]>. I am about to install the Ecobee 3 lite thermostat. Quick shout out for the Honeywell Wi-Fi Smart Touchscreen Thermostat. The ecobee3 has different terminals from the ecobee3 lite and ecobee4. "name": "Thermostat Installation & Wiring Diagrams" The PEK gets installed at your furnace control board and is wired in with your existing thermostat wires to create a C. Installation is quite easy—just follow the steps below! }, The purpose of those wires, with their 24V AC, is to toggle relays. If your ecobee does not power on after following these steps above, please refer to this article for further troubleshooting or reach out to our Support team. See the SmartThermostat with voice control Installation Page for more information. Therefore, it is important that you make sure that you have a C-wire and that your HVAC system is compatible with ecobee's thermostat. Need more help? It has nothing at all to do with programmable Vs. non-programmable. Ecobee3 Wiring Diagram Unique Hvac for Wifi thermostat 7 – Wiring. The ecobee4 uses the same PEK as the ecobee3 lite. * Save energy and reduce heating and cooling costs * Control from anywhere using your iOS or Android device * Works with ecobee Room Sensors™ (sold separately) **In the box** * ecobee3 Lite Thermostat * ecobee3 Lite backplate * Installation guide * Wire labels * Drywall plugs * Screws * … * Depending on your setup, you may see another wire already connected to the C terminal, as well as one connected to the Y terminal—these two wires from this separate bundle are coming from your outdoor compressor unit and need to remain connected for your air conditioner to work, so don’t remove these two wires! The reality is that C isn't required on almost any included thermostat, programmable or simple. Get in touch with our support team. All of the homes I mentioned above, including ours, have a programmable thermostat. Therefore, it is important that you make sure that you have a C-wire and that your HVAC system is compatible with ecobee's thermostat. "name": "Thermostats" "item": http://www.amazon.com/Honeywell-THP9045A1023-WireSaver-Prest... Can the Ecobee3 be installed without the dreaded C wire? Note: For help with ecobee SmartThermostat with voice control installation, please download the app (available for Apple and Android devices) and follow the step-by-step installation guide. I have attempted to install the ecobee 3 lite by using the above configuration, the wall adapter goes to Rc and C in order to replicate the C wire. "itemListElement": I asked 30 builders in 3 states (a mailing list), and every single one of them basically agreed with the statement that they have put them in all homes they've built since 1990. Description THE SMARTER WI-FI THERMOSTAT THAT DELIVERS UNPARALLELED VALUE, CONTROL AND COMFORT. > You don't lose fan control with the ecobee3 Power Extender Kit. Our house was built in 1998, doesn't have it, a coworker's house was built in 2005 and had to get it installed for their Nest ($120 callout + $120 in time), the in-laws returned a Nest because their home from roughly 2001-02 lacked it. Now, these bypass kits or similar, are a little hacky. 3) Remove these four wires from their current location and insert them into their respective terminals on the PEK (R, G, Y, W), 4) You’ll see five wires coming off the other side of the PEK—R, G, Y, W, and C—connect these five wires to their respective terminals on the furnace control board. "@id": "https://support.ecobee.com/hc/en-us/categories/360000707071-thermostats", 3) Remove these four wires from their current location, open the PEK, and insert the four thermostat wires into their respective terminals on the PEK (R, G, Y, W). On the thermostat end, there is no C wire - just the typical 4 wires - R,Y,W,... On the furnace end though, there is white C wire too, which I do not know where it leads to (definitely not coming to thermostat). { That is not the purpose of those wires. 42 New Ecobee4 Wire Install. You lose fan control. If you’re lacking a C wire and have at least four wires at your thermostat to work with (refer to this article if you only have two wires), you’ll want to install the Power Extender Kit (PEK). { With that said, the Ecobee that I bought off eBay included the PEK. Most programmable thermostats recommend using a C wire(or batteries, but if they're being put in a new development they generally put the C wire in), and programmable thermostats have been "strongly recommended"/mandatory in many states for new developments for quite a while. There's nothing in building codes that requires running the C wire, so builders will only run it if the thermostat requires it and most included ones do not. Honestly, I’ve wanted a Nest thermostat for a long time. "item": Join Vicki & Steph from Mother Daughter Projects as they install the ecobee smart thermostat! Thermostat Installation & Wiring Diagrams, See the SmartThermostat with voice control Installation Page. Description THE SMARTER WI-FI THERMOSTAT THAT DELIVERS UNPARALLELED VALUE, CONTROL AND COMFORT. IF you have one available that is exactly what it is design to do. Many older homes don’t have a C-wire because mercury and battery-powered thermostats didn’t require one. The PEK requires additional connectors that not all systems even have. While the PEK installation process for the ecobee3 lite and ecobee4 is virtually identical, some of the terminals on the ecobee itself have been moved around. "@type": "ListItem", Can you link anything to this "common thing" that control boards do? Easy if you have some fishtape or something similar. 5) Once the PEK is installed and you’ve confirmed all wires are securely connected, you can close the panel on your furnace and return to the ecobee. Unfortunately, when I installed the Ecobee, the thermostat would not power on. Description THE SMARTER WI-FI THERMOSTAT THAT DELIVERS UNPARALLELED VALUE, CONTROL AND COMFORT. Hello, I was hoping to get some help installing my recently purchased ecobee3. Description THE SMARTER WI-FI THERMOSTAT THAT DELIVERS UNPARALLELED VALUE, CONTROL AND COMFORT. [CDATA[ "@type": "ListItem", Running wires behind walls isn't trivial in an already built home. They could just as easily be done directly _at the furnace_, or just have a low-power battery powered radio module on the relay wires, with a WiFi or other wireless receptor talking to your sensors elsewhere, and with an app on your phone or tablet to control it. I can't find a spot that I'm confident would be a "C" wire spot. When I purchased the Ecobee, I noted that my old thermostat had R, C, W, Y and G wires. } This ecobee3 lite requires a C-wire or installation of the power extender kit (included) to work. Can you link to the mailing list? Hello! Where are you getting this information? }, Install your ecobee without a C wire If you donÕt have a C wire, youÕll need to use the Power Extender Kit (PEK) included to reliably power your ecobee. From what i can tell, this is wrong. Honeywell makes the Lyric which has power stealing (charges when the equipment runs) so it doesn't require a C-wire. { Nest is an absolutely terrible design that everyone else copied. } I believed that it would be a simple plug and play situation. Many older homes don’t have a C-wire because mercury and battery-powered thermostats didn’t require one. This ecobee3 lite requires a C-wire or installation of the power extender kit (included) to work. > Also, the C wire is not rarely available, basically any house since the early 90s will have one already wired up. 1) Turn off power to your HVAC equipment before doing any re-wiring, and be sure to take a picture of the wiring at your old thermostat and furnace control board before you make any changes, 2) Locate where your four thermostat wires (R, G, Y, W) are connected at your furnace control board; they should be connected to standard R, G, Y, W terminals on the board, or possibly spliced into other wires leading back to the board. Workaround when your current system does not have a C wire. The ecobee3 lite offers a PEK but that looks like it also requires more than just two wires to be run into it to operate properly. "position": 2, Double-check your connections and then finish up … The other channels provide power, the C wire just provides more. What? "@type": "ListItem", The ecobee SmartThermostat with voice control uses the same PEK as the ecobee4 and the ecobee3 lite. "@id": "https://support.ecobee.com/hc/en-us/sections/360001682091", My house and all houses in my development were built in 1995 and have one. Wifi is really hard to run constantly on battery. Its terrible design is crap for installation, customer support, and maintenance. I'm trying to install my new Ecobee 3 Lite and I've run into a bit of an issue. "@type": "BreadcrumbList", The PEK can only be used on furnace or heat pump systems that do not have a C wire — this is because the PEK requires R (power), G (fan), and Y (compressor) wires to operate, and these 2-wire heat-only systems do not have these G and Y wires I had two Honeywell Smart thermostats get fried by power surges. It also uses a different model of PEK, so if you're installing the ecobee3, please follow the instructions in the video below. Also, the C wire is not rarely available, basically any house since the early 90s will have one already wired up, and any house that has upgraded hvac unit in say the last 15 years will have the capacity to install one by running a wire to the mainboard. Read page 12 of their guide. This ecobee3 lite requires a C-wire or installation of the power extender kit (included) to work. How would the control board know to pass 24Vac through a low voltage line? Ecobee3 Lite with 3 Wire Zone Valves Ecobee Wiring Diagram – Wiring. Therefore, it is important that you make sure that you have a C-wire and that your HVAC system is compatible with ecobee's thermostat. I never understood why no thermostat supports alternative power, considering tons of property would be an easy installation without the rarely available C wire. Page 16 G UIDE 2 Install your ecobee without a C wire If you don’t have a C wire, you’ll need to use the Power Extender Kit (PEK) included to reliably power your ecobee. The diagram below illustrates how the PEK should be installed when splice points are present. ] But, yes, I'd prefer USB at the thermostat. In my old house from 1950s the furnace had the terminal so I just ran a new wire. The ecobee SmartThermostat with voice control also has the same wire terminal placement as the ecobee4. It too requires the C wire, costs the same as Nest, but has a much better touch interface than the Nest while providing the same-ish automatic functionality. If you’ve got a 24v HVAC system but no C-wire, check out the ecobee product line. "name": "Home" Description THE SMARTER WI-FI THERMOSTAT THAT DELIVERS UNPARALLELED VALUE, CONTROL AND COMFORT. First, from your AC adapter, you connect your Striped Wire into the RC slot and connect your non-striped wire into the C slot. For that matter, it's shit engineering to require the thermostat be mounted on the wall hooked up to those wires like your old thermostat. Many older homes don’t have a C-wire because mercury and battery-powered thermostats didn’t require one. Watch an easy solution to install a wifi thermostat without a c (common) wire. The ecobee3 lite has different terminals from the ecobee3 and also uses a different PEK, so please follow the instructions below if you're installing the PEK with your ecobee3 lite. * Save energy and reduce heating and cooling costs * Control from anywhere using your iOS or Android device * Works with ecobee Room Sensors™ (sold separately) **In the box** * ecobee3 Lite Thermostat * ecobee3 Lite backplate * Installation guide * Wire labels * Drywall plugs * Screws * … It's wrong for any of these thermostats to be using these wires for power. { { These diagrams are also available within the ecobee3 lite Installation Guide included with your ecobee3 lite thermostat. Least of all if you're going up two to three floors. What relay does a C wire toggle? Recommended to you based on your activity and what's popular • Feedback You will not be able to install the Power Extender Kit (PEK) with heat-only 2-wire systems. The truth is, AFAIK, the largest homebuilders in the US do it as a matter of policy. } If you have a thermostat with a black & white calculator-like LCD, it likely doesn't have a C wire running to it. Ecobee3 Wiring Diagram - Collections Of Alternator Welder Wiring Diagram Refrence Ecobee3 Lite with Pek for. This works for any wifi smart thermostat including Nest, Ecobee, Sensi, honeywell, etc. Because the design of these 'smart' thermostats is just stupid. Also, the C wire is not rarely available, basically any house since the early 90s will have one already wired up, and any house that has upgraded hvac unit in say the last 15 years will have the capacity to install one by running a wire to the mainboard. * Save energy and reduce heating and cooling costs * Control from anywhere using your iOS or Android device * Works with ecobee Room Sensors™ (sold separately) **In the box** * ecobee3 Lite Thermostat * ecobee3 Lite backplate * Installation guide * Wire labels * Drywall plugs * Screws * … * Save energy and reduce heating and cooling costs * Control from anywhere using your iOS or Android device * Works with ecobee Room Sensors™ (sold separately) **In the box** * ecobee3 Lite Thermostat * ecobee3 Lite backplate * Installation guide * Wire labels * Drywall plugs * Screws * … Even though it comes with an adapter for missing c-wires, ecobee is what we’d pick even for systems with a c-wire. 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