Battery voltage has been at 3.85+ all day. This will remove the reply from the Answers section. The yellow wires underneath your thermostat connect to your compressor. Some community members might have badges that indicate their identity or level of participation in a community. https://support.google.com/googlenest/thread/12495697?hl=en Thermostat has not yellow wire, AC not working. We'll get back to you only if we require additional details or have more information to share. 3/8 in Gently tug each wire to check they’re secure, and make sure A smart thermostat is a great accessory to have, not only to be able to adjust your home’s temperature from your phone, but to also save money on your utility costs. So as it stands now, I have to run a cooling test to cool the space. When you submit a report, we'll investigate it and take the appropriate action. No common C wire. White – The white wire is what connects to the (auxiliary) heat on your system. Thank you for reaching out with your concern. The Green Wire. Community content may not be verified or up-to-date. Yellow wires connect to the Y terminal and the wire is sometimes spliced, being connected to a compressor and the condenser, although this is not necessary. If it seems to be helpful, we may eventually mark it as a Recommended Answer. Our automated system analyzes replies to choose the one that's most likely to answer the question. This reply will now display in the answers section. Haven't tested heat yet due to the outdoor temp being 80°. It connects to the W terminal. You'll receive email notifications for new posts at. Frank Tawk. Post is disrespectful, about third party products or contains unrelated content or personal information. You will lose what you have written so far. The explanation I got from Nest phone support was that the extreme cold was affecting the yellow wire that runs outside to the air conditioner somehow. The Nest manages quite well without one in typical homes, another example is the Honeywell Lyric Round 2.0. The picture above depeicts the typical wiring color code for a 4 wire thermostat. Since you have Nest E, it does have limited slots for us to work on your wires. We'll get back to you only if we require additional details or have more information to share. Yellow – The yellow wire connects to the compressor on a heat pump. The AC would not crank up and it was hot in my house. Green. While the ecobee and Sensi recommend them, you can get by without one. The white wire connects to your heat. Google takes abuse of its services very seriously. Connecting the K Wire on the Nest Thermostat. Orange. If that's the case, theOn my old thermostat, the yellow wire was connected to … Thank you. White Wire = W = Heating Wire . Looking at the photo you sent, it seems that you have a conventional heating and cooling system. It would shut down and the screen would go black. However, my HVAC technician did tell me that he has seen problems with Nest thermostats that don't use a common wire. Community content may not be verified or up-to-date. I tried in this configuration: Red -> Rc. Post is disrespectful, about third party products or contains unrelated content or personal information. The green wire underneath your thermostat connects … So, last week, my Nest Thermostat starting acting up. Help me identify which wires go where in my Nest Thermostat. You will lose what you have written so far. If it seems to be helpful, we may eventually mark it as a Recommended Answer. There's actually no need to connect the green wire anymore since it isn't also connected to your old thermostat. Are you sure you want to continue? It connects to the Y terminal. Yellow. Nest Thermostat E Wiring Diagram No Yellow Wire Effectively read a wiring diagram, one has to know how the components in the method operate. I know this in not IT or Security related, but is technology related and thought and hoped it would help someone. If you can get to where the wires are hooked up in the furnace, see what wire is connected to Y on the furnace board. Please let me know if this work or if you have further questions. Answer Save. If I remove the RC wire, the C wire shows it has power, but says the nest … Use a common wire with a Nest thermostat or suffer the consequences (electronicdesign.com) The Nest Thermostat Rant Page (greyghost.mooo.com) When doing your own research on the Nest pulsing problem, look for terms like: pulsing, cycling, short cycle, power leeching, no c-wire… I switched the black wire to the Y and cooling now works! Our automated system analyzes the replies to choose the one that's most likely to answer the question. We could have it check or set up by an HVAC tech for an advice wiring for it to work. This option is perhaps the simplest. Orange – This wire connects to your heat pump (if you have one). White -> W1. I have a Green, White, Black, and Red wire. your system wires to the Nest Thermostat. I'm trying to set up a nest thermostat and removing an LG a/c thermostat. This is commonly found in standard HVAC systems that use an air conditioner and a furnace. I’ve seen others complain about battery problems and software updates, so take it for what it’s worth. If you have a W2, Y2 or O/B wire, you can put it into the * O/B connector, if needed. Welcome to Google Nest Community Forum. Red Wire = Rh = Power . Red (C). Create a Nest Account Before the homeowner can control the Nest Thermostat from their mobile, tablet or laptop, they need a Nest Account Tell them to create one at nest com/eu/account or just download the Nest app Once the thermostat is connected to Wi-Fi, the Nest app will automatically add it to a Nest Account How to setup your Nest Thermostat using current wiring from a Honeywell. 7 years ago. Install thermostat 13. Help me identify which wires go where in my Nest Thermostat? Thoughts on why I had two white wires going to W on the old thermostat, and what to do with them on the Nest? White – The white wire turns the auxiliary heater off and on. You'll receive email notifications for new posts at. Post contains harassment, hate speech, impersonation, nudity; malicious, illegal, sexually explicit or commercial content. I have a single-stage boiler with only red and yellow wires, but the Nest works just fine. The green wire connects to the fan. They control your air conditioning system. It doesn't seem to be getting any power. Google Nest Thermostat E works with Alexa and Google Assistant so that you can adjust the temperature with your voice. I would highly recommend to have a Nest Pro visit. Go to the Legal Help page to request content changes for legal reasons. You will lose what you have written so far. In this short blog entry I will explain where to insert the K Wire on the Nest Thermostat. Red (H). On my new thermostat, there are two separate Y connection points - one called Y1 and the other Y2. Seriously surprised! We're committed to dealing with such abuse according to the laws in your country of residence. Green – The green wire connects to the fan. Nest Thermostat 3Rd Generation Wiring Diagram – Technology makes a better life and it is true. Here is the industry standard thermostat wire color code used for most systems: White. Unfortunately, the answer to this question is, "it depends." Thermostat has not yellow wire, AC not working 1 Recommended Answer 3 Replies 21 Upvotes. Hi everyone. Note: If you have an R, Rc or Rh wire, you can put it into the R connector on the Nest Thermostat. The yellow wires terminate at your compressor contactor via an air handler. Hi. Quick little article on my findings. I had a question regarding the wiring. Search for 8 Wire Thermostat To Nest here and subscribe to this site 8 Wire Thermostat To Nest read more! Here's how you should install your existing wires on your Nest Thermostat. R - Red wire, Please remove the jumper. Are you sure you want to continue? Once the RH power back, the thermostat unit will charge the battery and turn on the display. First off what is the Nest Thermostat for those who are unaware – Nest Labs is a home automation producer of programmable, self-learning, sensor-driven, Wi-Fi-enabled thermostats, smoke detectors, and other security systems. This smart gadget permits you to control temperature via net effortlessly…. Previous thermostat was able to control both heat and AC. Get A Thermostat That Works Without C Wire. The Nest has run all day and cooled perfectly. Thermostat wire colors follow a color code. Relevance. We found the following personal information in your message: This information will be visible to anyone who visits or subscribes to notifications for this post. Does the Nest Thermostat Require a Common Wire? Yellow Wires. It only has 3 wires (blue, red and yellow). But in the regular temperature dial operation, there's only a "heat" indication for when you turn the temperature up. Here’s how to install and set up the Nest Learning Thermostat in your own home. Red – Now, there can be two separate wires for this. Blue -> C. Green -> G. Yellow -> Y1. On my old thermostat, the yellow wire was connected to the outlet "Y/Y2". To turn them on, go to. We found the following personal information in your message: This information will be visible to anyone who visits or subscribes to notifications for this post. This will remove the reply from the Answers section. My wires are Red, Blue, Green, Yellow, and White? This wire connects to your heat pump (if applicable). It is designed to be more than just smart; besides, they’re part of a thoughtful home. Failed to attach file, click here to try again. Your notifications are currently off and you won't receive subscription updates. No a/c, just a goodman gas furnace blowing into house thru vents. Generally the red is your “hot” wire, straight from transformer that supplies constant power to your thermostat, which when each function, ie, cool, or heat is engaged, allows connection between red and whichever wire is called for by the thermostat. Yellow – The yellow wire connects to your compressor. Kind of... Nest now recognizes this as a HVAC and when I test the "cooling" setting it cools the space. Love that the Nest took under 5 minutes to install. Hi , Can you please suggest me how to move forward . That leaves the orange, blue and brown wires in a standard eight-wire set free to hook up to the sixth terminal. Find your 8 Wire Thermostat To Nest here for 8 Wire Thermostat To Nest and you can print out. I would not be surprised if it is the black wire, and in reality, there is no C.  If the black wire is hooked to Y on the board, hook it to Y on the Nest. The yellow wires connect to the Y terminals on your thermostat. Here's how you're going to connect the wires on your Nest Thermostat. Go to the Legal Help page to request content changes for legal reasons. Post contains harassment, hate speech, impersonation, nudity; malicious, illegal, sexually explicit or commercial content. Google takes abuse of its services very seriously. Yellow Wire = Y = Cooling Wire Our automated system analyzes the replies to choose the one that's most likely to answer the question. This setup has been working, but I'm not even sure it's exactly right as I just had a contractor mess with it and install this temporary thermostat last week. I hooked up Green-> G, White-> W1, Red->RH, and Black-> C. In this configuration, Nest app recognizes this as a furnace only, no AC. How do I install a Nest Thermostat? I am in the middle of installing a Nest thermostat. The Nest Thermostat E is a smart thermostat, which turns itself down when you’re away. The yellow wire connects to your compressor. No yellow. Regardless, removing the yellow wire solved my short cycling problems. Thank you. To turn them on, go to. Should I wire my yellow wire … If you are using 3rd Gen thermostat, please pick either RH. This reply will now display in the answers section. Your notifications are currently off and you won't receive subscription updates. Please click on this. Some of the wires are color-coded (for example, the yellow wire usually connects to the YThe Leaf appears when you turn the Nest Thermostat to a temperature that's energy efficient. Our automated system analyzes replies to choose the one that's most likely to answer the question. We're committed to dealing with such abuse according to the laws in your country of residence. The white wire connects to terminal W in industry-standard thermostats. Charge Nest Thermostat with USB. No yellow. The exposed wire should be straight. For instance , when a module is powered up and it also sends out a signal of fifty percent the voltage in addition to the technician would not know this, he'd think he provides a problem, as he would expect a new 12V signal. I have a Green, White, Black, and Red wire. Y = yellow, g = green, r=red, w = white. Can you help me identify this too? Discard post? Model GMS80704BXCC. Thank you. Looking at the photo you shared, it seems that you have a 2- wire heating system. The yellow wire is often seen in air conditioning units and attaches to the compressor. Installed new 3rd gen Nest, with yellow wire to Y1, green wire to G, Red wire to Rc, White wire to W. Nest thermostat comes on fine, fan blows for fan, fan blows for cool, fan blows for heat but no heat, its cool air. I have a G, Y, W/AUX, R, and a loose yellow wire? I was an idiot and did not take a picture of the wiring on my previous thermostat when I went to install the Nest. I was an idiot and did not take a picture of the wiring on my previous thermostat when I went to install the Nest. The Rc wire connects to the cooling system. You will lose what you have written so far. Buy a smart thermostat that doesn’t require a common wire. When you submit a report, we'll investigate it and take the appropriate action. Some community members might have badges that indicate their identity or level of participation in a community. If this wiring is working for you, lets follow it. Failed to attach file, click here to try again. Discard post? Down down down Red yellow brown. Well during this time, the internal battery will run to, if you take more than one day to fix this. Sure. 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Here 's how you 're going to connect the wires on your wires ve seen others about. Green, r=red, W = white the middle of installing a Nest Pro.! So as it stands now, there 's only a `` heat '' indication for when you turn the with! – this wire connects to terminal W in industry-standard thermostats, so take it for what it ’ how!