It’s thoughtful. If your system doesn’t have a switch, turn off power to it at the breaker or fuse box. The method may depend on your local electrical code requirements. Some gas valves on systems vibrate or buzz when a Nest thermostat is installed. Here is a brief compatibility test guide In all cases, we recommend installation by a Nest Pro because advanced wiring is usually necessary. The Nest Learning Thermostat 3rd Generation is compatible with condensing combi, system and regular boilers as well as heat pumps. Nest Learning Thermostat, District and collective heating systems with accessible individual electric valve, High-voltage (switched live) systems, low current (up to 3A), Volt-free (dry contacts) systems, low current (up to 3A), Electric heating controlled by fil pilote (Nest Pro installation required). Note: If your wires are stranded, you may be able to contact a local pro to cap, solder or replace stranded wires with a solid core wire, which will work with the Nest thermostat. There are some key differences between Nest thermostats and what systems will work with each. They’re common in France and many electric radiators sold there since the 1980s are fil pilote enabled. Sophisticated gadgets and apparatus even come to boost your home with technologies, one of which can be Nest thermostat. Condensing boilers are so efficient because they use the waste heat from the boiler’s flue gas to heat the water. It’s better than smart. If you don’t have a thermostat to control your district heating, you may still be able to have a Nest thermostat installed if your heating valve is accessible to your installer. NEST THERMOSTAT E INSTALLATION GUIDE Compatibility The Nest Thermostat E works with most 24V systems, including forced air, variable speed, heat pump and radiant systems, as well as common fuel types such as natural gas, electricity and oil. In the Netherlands, district heating systems typically have thermostat control, so Nest thermostats are generally compatible there. But Nest thermostats don’t need wired sensors since they get weather information over Wi-Fi. Which wire goes to which connector for want of a better question ? Nest Compatibility / Wiring Questions Hi All, I've been reading all posts that are similar to my units and questions but I've still got a few questions. The fil pilote electric radiator systems in France are compatible with the Nest Thermostat when installed by a Nest Pro. Since the water has already been heated a little, the boiler needs less gas to get the water up to the right temperature. Some system hardware such as gas valves and zone or relay panels require a C wire to work with Nest thermostats. Hi just bought a nest e thermostat . This site uses cookies from Google to deliver its services and to analyse traffic. Nest Thermostat; Nest Hello; Choose your country. Check compatibility. Remote sensor wires are typically used to give your thermostat outside weather data. Sophisticated gadgets and devices also come to increase your house with technology, one of which will be Nest thermostat. Problem Solution ; If the Nest thermostat isn't getting enough power from W or Y and there is no Common wire: While we find that in the vast majority of homes the Nest Thermostat can charge its built in battery by power sharing from the regular heating and cooling wires. The Nest Thermostat is compatible with the majority of low-voltage, 24-volt systems but has a few exceptions, including incompatibility with line voltage, millivolt systems and a few others that might lead to problems with your Nest. Nest thermostats are compatible with zoned systems, including zoned systems with dampers. If it’s winter, turn up the temperature to turn on heating. There are two main reasons that a heating system may not be compatible with Nest thermostat: it’s high current or a proprietary system. Conclusion Which smart thermostat is right for your Atlanta-area home – the Nest or the ComfortLink II – depends on what you are looking for in a thermostat. By selecting your wired connection Nest Compatibility widget will show the compatibility result. If you have a dual fuel system, you will need to have a trained professional set up your thermostat. Check thermostat compatibility for Sensi Smart and Sensi Touch Smart. If you’re still not sure which system you have, contact a local pro. They work with all common fuel types including natural gas, oil, and electricity. If you have one of these systems, contact a local pro. For instance, in the illustration on the right, you would only enter Rh, Y1, G and C wires into the checker. Installing a low voltage smart thermostat like Nest or Ecobee with electric heating completely negates one of the major benefits of smart thermostats. High voltage thermostats should only be installed or uninstalled by a professional due to the high voltage that they carry. Nest thermostats work condensing boilers that have standard On/Off control. Easy to install, learns your schedule, programs itself, and uses Wi-Fi to connect to your phone. These systems use much less electricity than low voltage systems and can't deliver the right amount of power to Nest thermostats. Can you guys please give me a second opinion? This does not include mini volt systems or high-voltage systems. Systems that use coal, wood chips, pellets, anthracite, or other biomass materials are typically incompatible with Nest thermostats. This can usually be fixed by connecting a C wire. If you have a micro-controller based system, your Nest thermostat may need a C wire to be compatible with these systems. Nest thermostats are compatible with many different types of heating systems, including boiler systems. You can start with one zone controlled by a Nest thermostat, and then equip other zones with Nest thermostats later. View the tech specs for Nest Thermostat E to learn about specifications, installation, and more. Not all systems have a C wire installed, but Nest thermostats were engineered to use as little power as possible for their display and internal circuitry, so in the vast majority of cases, they don’t need a C wire. Thermostat compatibility - wiring check. If you have a micro-controller based system, your Nest thermostat may need a C wire to be compatible with these systems. I found some other tutorials online but none really seemed to cover everything you'll need so here you go! See the sections below for more details about specific systems and compatibility with Nest thermostats. Nest Thermostats can be retrofitted to work on single and 3 fan speed modes; Single fan speed mode requires the presence of 4 wires to thermostat location; Three fan speed mode requires the presence of 6 wires; Thermostat locations with 3 wires, requires the installation of an additional wire saver module to add the 4th wire for single fan speed. Modulating your heating system using a technology like OpenTherm delivers increased comfort and efficiency. If there is more than one large strand, the wiring isn’t Nest compatible. Forced-air heat pumps, condensing boilers, and other less common heating systems are compatible with Nest thermostats if they use standard cables: neutral, live, call-for-heat, common, or satisfied. Nest Thermostat Wiring Diagram Rc – nest thermostat wiring diagram rc, Technology creates a better life and it is true. Nest Learning Thermostats are only compatible with systems that have one or two stages of cooling. Proprietary systems use a serial communication protocol between the system and the thermostat. L wires are typically used to show system status, like emergency heat being on. The rest of the heating and cooling systems detailed in this article are not compatible with mainstream smart thermostats. Look closely at the end of one of the thermostat wires. High voltage systems are usually electric baseboard heating systems or other radiant systems powered by electricity. Fil pilote systems usually control multiple electric radiators with a single thermostat or controller. Ive included a picture of the wiring for the old thermostat and the connections for the new nest thermostat. Wait at least 5 minutes to see if your system turns on (you’ll need to wait because many systems have a built-in delay). High voltage thermostats are usually labeled 110, 115, 120 or 240 VAC. So that amounts to at least $250 + $30 per heater, and you lose any smart benefits. A dual fuel heating and cooling system (also called a hybrid or packaged system) is a combination of a heat pump for primary heating and cooling, and a furnace (usually gas or oil) that provides a second and/or third stage of heating. Heat pumps look similar to air conditioners, so check the label on your outdoor unit to make sure it’s a heat pump. The table below explains Nest thermostat compatibility (Nest 3rd Gen and Nest E) with different types of heating/cooling systems. You might have a line voltage (120v) system if… Your wires are thick and either 2 or 4 in quantity (probably just two or four, red and black or red and white in color) You operate your heater (s) on a room-by-room basis Millivolt systems are typically wall heaters or floor heaters and use electricity or natural gas. Tip: You can listen for your system to turn on, or put your hand near a vent to feel if there’s warm or cool air coming through. Nest Learning Thermostat, 2nd gen This protects you and avoids blowing a fuse in your equipment. Learn about domestic hot water control for Nest thermostats and how to change settings >. Make sure that the connector labels are readable. Heating system compatibility with Nest thermostats, Tell us more and we’ll help you get there, Learn how OpenTherm works with Nest thermostats, Learn about domestic hot water control for Nest thermostats and how to change settings, How Nest thermostats work with zoned systems. However, some systems that are high voltage use a higher current (sometimes as high as 16A or higher) - for example, electric radiators or electric underfloor systems. You may be able to install a C wire to make your system compatible with a Nest thermostat. While L wires can't be connected to the Nest thermostat, they don’t need them. It is important to choose an air conditioner that matches the capabilities of a high-tech thermostat, such as a Nest product. Dual fuel systems (heat pump with furnace), Dual transformer systems (Systems that have more than one R wire), Whole-home humidifiers and dehumidifiers (compatible with Nest Learning Thermostat only. The Nest thermostat and Nest app will show you system status information without connecting L wires. In this case, a professional may be able to connect your system to a Nest thermostat. While most heating systems are high voltage (usually 230V), usually they only use a little bit of current at a time (up to 3A). Page 20: Installing The Nest Thermostat In A New Spot 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: 1 Install the Heat Link first 2 Remove or configure the programmer 3 Attach the Nest Thermostat … Google Nest thermostats are designed to work with most 24V systems, even older systems. The installer must have access to the heating valve so they can connect it to the Nest Heat Link, which is included with your thermostat. Most low voltage systems work with the Nest Learning Thermostat. These systems are sometimes called high impedance systems. The online Compatibility Checker has full instructions to see if your heating and cooling systems are compatible with Nest thermostats, but here is some additional information to help you as you use it. The fil pilote electric radiator systems in France are compatible with the Nest Thermostat when installed by a Nest Pro. This list is not meant to be comprehensive, so your system may be incompatible even if it isn’t listed here. If you have one of the system types below, it won’t work with a Nest thermostat. Hello. If your system only has two wires, but you have both heating and cooling, your system is likely proprietary. Some international systems, such as Buderus boilers, have dry contacts or other incompatible wiring. The following Nest thermostat installation manual will teach you how to hook up the thermostat to the wall, set it up, add it to your Nest account and start using it all on your own. Check compatibility. Choose a product. For more details, please see the following article: How the Nest thermostat works with zoned systems. Nest thermostats can work with systems that use Service Light (L) wires. These include: 2 Nest thermostat can only support one of these systems at a time. We appreciate your patience and understanding during this time. Use our helpful tool to take an assessment of the existing wiring in your home. I have attached a photo. The 3rd generation Nest Thermostat also works with condensing boilers that support OpenTherm. My current thermostat is a Honeywell TH3210D1004/U PRO ( Non-programmable Digital) unit. If your thermostat has a short “jumper” wire between two connectors, don’t include that wire; only enter the labels for wires coming from inside your wall that are attached to the thermostat. You can also check your system’s compatibility before purchasing a Nest thermostat with our online. If your heating valve is located in the basement or outside of your apartment, a Nest thermostat installation may not be possible. 1 Your system requires advanced configuration and wiring. original permalink. When you’re done, reinsert it into the correct connector. Thermostats are designed to handle either low current or high current. Welcome to the Wyze community @Senthil! Both Nest Thermostat E and 3rd gen Nest Learning Thermostat are compatible with fil pilote electric radiators, but installation will be a little different depending on if you have a fil pilote thermostat or not, and what thermostat you’re installing. Even if your system has sensor wires, it may still be Nest compatible. Here’s a list of some known panels that require a C wire. This is because not all systems are connected to the thermostat with the same wire colors. Nest Heating & Cooling Thermostat Installation & wiring: Detailed photographs and text describe how to how to install, set, troubleshoot & repair a Nest Learning Thermostat, beginning with removing the old wall thermostat, labeling its wires, preparing the wall for the new thermostat, then installing the Nest Thermostat and getting it working nicely. ... You may also want to check the information I have added on my , the videos all include wiring info so I’m sure this will help make you more confident. It’s a good step to take a snap of your own wiring. Change the temperature on your thermostat by at least 5 degrees. Thermostat / HVAC Compatibility. The Nest Thermostat E is only compatible with one stage of heating, one stage of cooling, and an additional stage of either heating or cooling. – Technology makes a better life and it’s true. But there are a few of key differences between models. Some of these proprietary systems may also have the option to use standard heating system wires. During setup, the Google Home or Nest app will guide you through steps to tell you if your system is compatible with your Nest thermostat before you install it. Systems that use micro-controllers instead of relays are sometimes more sensitive to power sharing. You do not have to install Nest thermostats in all zones at once. It’s important to check that the smart thermostat is compatible with your central heating system. However, there are some zoned systems that require a C wire to work with a Nest thermostat. If you see wires in your thermostat’s connector that have non-standard labels (for instance 1,2,3, or A, B, C) your system is proprietary. The label on the wire connector is what you should enter. Important: Professional installation is recommended for some systems since their wiring and setup can be complicated. These systems may require relay panels in order to be installed with standard American thermostat wiring. The table below summarizes them. It’s important that a professional to assess the requirements for your specific dual fuel configuration since choosing incorrect options for a dual fuel system can result in damage to your system. Some systems have control panels or equipment interface modules that require a C wire to be compatible with Nest thermostats. Nest and Goodman are both high-quality brands that are quite compatible with one another. The common (C) wire doesn’t control heating or cooling. ... Nest Learning Thermostat Lux WIN100 Outlet Thermostat Honeywell RTH7600D Touchscreen Meanwhile, the Hive Active Heating is compatible with gas, oil, LPG and some electric boilers. Nest Thermostat With Gas Fireplace (or Other Millivolt System): This short tutorial will help you use your Nest thermostat with your gas fireplace or other millivolt type system. Simply enter which connectors have a wire and ignore the color of the wires. We’ve covered Nest 3rd Gen and Nest E thermostats in our complete review and comparison guide. But if you find that you need a C wire with a Nest thermostat, you can contact a local pro to run one for you. Save a picture of your current thermostat’s wires in case you need help with Nest thermostat installation or another issue. Both the 3rd gen Nest Thermostat and Nest Thermostat E support modulating boilers that are OpenTherm compatible. Discover connected home devices from Nest – thermostats, indoor and outdoor security cameras, smoke and carbon monoxide alarm, security system, video doorbell and more. The options you have for controlling your hot water with the Nest app depend on what type of boiler/hot water heater you have. Wire nuts are often used to connect the thermostat to the system wires. Condensing boilers are also efficient because they adapt the amount of fuel burned according to how much heating is needed. Click our page to learn more. 30/09/2020. Can anyone tell if my thermostat wiring is compatible with the Google Nest thermostat… A Nest Learning Thermostat: The Nest Learning Thermostat is usually compatible with only the 24V low voltage systems. Nest thermostats are compatible with a wide range of HVAC systems, especially the Nest 3rd Generation Learning Thermostat. I have seen other users who had this proprietary labeling method with the A, B, C, and D wires. Nest thermostats also have a star connector * that offers you some flexibility for installing specialized systems. First photo credit: Nest via Compfight CC. The Nest Thermostat only supports low current systems since they are by far the most common. To learn more about specific system type compatibility, see the sections below in this article. You may need to pull one out of the connector to check. This article includes drawings and electrical wiring diagrams explaining how to set up and wire a Nest thermostat, humidifier and furnace. For instance, your Nest Pro may need to install an additional fil pilote diode(sold separately) depending on your current system. It can control: » Heating and cooling: one stage of heating and cooling, and a second stage of either The app will also give you a custom wiring guide for your thermostat. Fil pilote thermostats can also have different modes such as: On, frost, night, and day. Get an answer from an expert on the Google Home Help Forum. For instance, don’t enter R in the Compatibility Checker if you see a red wire or W if you see a white wire. If you have an older thermostat there may be a mid-plate that also needs to be removed to expose the wires. Nest Wiring Diagram You Got From Our Online Compatibility Checker. Nest thermostat have been designed to work with many different types of heating systems, including boiler systems. Please could someone have a look to see if the Nest can use this wiring. Make your home more thoughtful with a smart thermostat. While most 24V heating and cooling systems are compatible with Nest thermostats, there are some systems that aren’t compatible. North America; Canada (English) Canada (Français) México (Español) United States (English) Europe and Middle East; These protocols are specific to the manufacturer of the system – they aren’t standardized across the industry, and only thermostats made by the same manufacturer are compatible with these systems. Single stage heating with two stages of cooling, Two stages of heating with one stage of cooling, Single stage heat pump with/without AUX heat, Single stage heat pump with separate single stage furnace heating (Dual fuel) 1, Single stage heat pump with separate two stage furnace heating (Dual fuel) 1, Two stage heat pump with/without AUX heat, Two stage heat pump with separate two stage furnace heating (Dual fuel) 1, 2, Two stages of cooling and two or three stage furnace heating 2. Doing so can save you a significant amount of money in long-term energy costs. If you need to know more about what the labels on your thermostat wires mean, read the following article for more information. You can quickly tell if you have one of these systems without having to use the Compatibility Checker or to look at your thermostat’s wiring. Some covers simply pull off, while others need to be unscrewed. By this step, you should have confirmed that your existing installation wiring is compatible with your new Nest thermostat. I recommend that you go to the official Nest thermostat website, as they have a great compatibility test tool on there that let's you enter the quantity of wires that you have and it will tell you if the Nest stat is compatible … There may be a switch on your system or near your system that looks like a regular light switch. The Nest Thermostat E’s * /OB connector lets you install a heat pump, a second stage of heating, or a second stage of cooling. Find out if your home is compatible with a Honeywell Home thermostat. According to the Nest Thermostat Compatibility Checker, my home's heating and cooling system is not compatible. District or collective heating systems that are controlled by an accessible individual electric valve are compatible with Nest thermostats. If you have a gas or electric meter in your apartment, the heating valve is probably located nearby. Costs can vary depending on how difficult it is to route a new wire through your walls. Thermostat Specifications: Application: Up to 2 Heat/1 Cool Heat Pump Systems How to tell if your system is Nest thermostat compatible, Tell us more and we’ll help you get there, What to do if your thermostat’s wire connectors have, Heat only, cool only, or heat pump systems. If it’s summer and you have system cooling, turn down the temperature. Remember one thing, Nest learning thermostat is never compatible with any high voltage system like 120v or 240v. The Nest thermostat is compatible with these systems and supports up to 2 alternate heat sources. The Nest Learning Thermostat’s * connector lets you install a humidifier, a dehumidifier, emergency heat, multiple fan speeds, or a 3rd stage of heating. If you think your system uses a proprietary communications protocol, contact a local Nest Pro installer in your area for help. If you have a zoned system (more than one thermostat in your home), each zone can be controlled by a Nest thermostat and Heat Link. Learn more about identifying thermostat wires. Compatibility – While the Trane ComfortLink II can control the temperature for most systems, you’ll get the most out of the thermostat when it is connected to compatible Trane devices. However, converters are available from some manufacturers that may let a proprietary boiler work with a Nest thermostat. Some systems can’t deliver enough power (at least 20 volts) over the existing system wires, so a Nest thermostat’s battery may slowly drain and eventually cause the thermostat to turn off. Contact a local Nest Pro installer for help determining Nest compatibility. If you already have a thermostat in your apartment, then it’s likely that you can have a Nest thermostat installed. I am thinking about buying a Nest Thermostat, and would like to put it in my hall, where the old honeywell Stat is, but I am not sure if the wiring is compatible. Christophe Staelens. Under certain circumstances, yes, but certainly not in all applications. These wires can’t be connected to Nest thermostats. Multi-zone controls It … So check R if there’s a wire of ANY color in your thermostat’s R connector. This is because you have to have a thermostat and relay system for each heater in your home. We are experiencing longer than normal wait times for support. I just want to make sure it’s compatible before I get someone to install it. Proprietary condensing boiler typically only work with a thermostat from the same manufacturer. How Nest thermostats work with zoned systems >. High voltage thermostats are often built into the wall and typically have two to four thick wires coming out of the thermostat. Most boilers sold today are high efficiency condensing boilers. Contact a local pro. Read the following article for more information: What to do if your thermostat’s wire connectors have two labels. I have my nest gen 3 for my new house but what is there is an older carrier system that the thermostat has ABCD wiring which I know says it’s not compatible online. You have a dual fuel system if you have a furnace inside of your home, and a heat pump on the outside of your home. 3rd gen I believe I have the upstairs wiring down for a 3d gen nest. Learn how OpenTherm works with Nest thermostats >. Use the Compatibility Checker to make sure your home’s system is compatible with a Nest thermostat. If you’re not sure what type of system you have, or if your system is compatible, you can always ask a Nest Pro. A Nest thermostat can also function as a humidistat to control your home’s relative humidity. The system wires may be compatible, but they may not show up in the compatibility checker because of this labeling methods.I’d suggest that you have a professional take a look at your system before making any decisions on buying or not. It can be hard to determine which set of labels to use in the compatibility checker. You would not enter Rc in the checker, because it is only connected by a jumper. However, you should contact a local Nest Pro installer and tell them that your apartment is heated with collective or district heating so they can ask you additional questions to determine Nest compatibility before they schedule an installation appointment. If you would like to find out more information about installing a C wire, contact a local pro. Instead, C wires help deliver power from the system to the thermostat in case the other wires can’t provide enough power. Contact a local pro. 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