Nest Wiring Diagram: Full Explanation!
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- Опубликовано: 7 июн 2024
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In this video we explain how to wire a Nest Thermostat and what each of the wires does in a Nest Thermostat so you can setup and install your Nest. This Nest Wiring Diagram explanation covers all of the wires and how they work with your Nest Thermostat so you can understand how your Nest Thermostat and HVAC system work.
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This video is designed to help you install your Nest and ensure your use the correct wiring for your Nest Thermostat.
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Thank you so much for this immensely helpful video. Your thorough work and explanation made all the difference!
Standing ovation and a round of applause for this guy! Thank you so much :-)
one f the best explainations on all of the different configurations. Go through the whole or fast forward for your current setup and you should be ABLE TO WIRW AND SET UP NEST EASILY.
MOST EDUCATIONAL AND STRAIGHT FORWARD all in one. better than nest site. Thank you for your great work.
I cannot say hoy much I appreciate this tutorial. I have been listening over a dozen of guys (so much time wasted) but you are the only one that explained what are the wire connections for, and could make the difference between each ones features, so that I know what is suitable for me. It is incredible how everybody speaks about this C wire but none is able to explain what it is as you are. My appreciation from over the ocean!
This is the most thorough video explanation I've seen. You definitely know what you are talking about
Brilliant video! This answered every single question I had with regards to Nest wiring configurations. THANK YOU!
That O/B wire got me. Thanks for setting me straight. You saved me lots of money.
Thank you so much for this video. I bought a Nest thermostat for my house and unfortunately my husband passed unexpectedly before it was installed. After some time I decided I wanted to have the new Nest installed, but folks wanted either a lot of money or they didn't have the time to help me. With your video and wonderful explanation, I was able to install my Nest and have it working all by myself. I got really nervous because all the other videos were talking about 4 wires and when I popped off my old thermostat I had 6 wires. And to add to the confusion, one of them wasn't connected but seemed important (turns out I already had a blue common wire). Thank you!
I'm so sorry for your loss. 😥
I'm at this spot now. I have 6 wires :(
Thanks for the video great job I had the job done it 5 min .
Thanks a lot I was struggling with my nest thermostat because we had lost the original wiring from our old thermostat but now I’m all good. Great video thanks a lot
Holy cow, thank God you made this video. Old houses and new modifications are a nightmare.
GREAT EXPLANATION, THANK YOU
This video was exactly what I needed since I didn't take a picture of the last thermostat! You also gave me a pro tip (obvious in hindsight) to go look at the control panel - DUH! All the wires at the control panel were clearly marked, etc.
Thank you so much for this video. Because of your video I was able to install my Nest thermostat on my own. I appreciate that.
OMG you are a life safer with this video and your heat pump info about people in the south. I live in Florida and didn't know I had one and I could only get the heat to blow until I moved orange to the OB slot. Yay, AC finally.
Wooooow!!..super clear.. understanfable explanation! That's what we are talking about... I have a feeling that you really know what you are talking about!!... Million Thanks!!.. We appreciate your very valuable time!!..
Great video.
This is a very well done presentation - thank you for making it so clear!
Great explanation. I had to hook a few of these up for a client and am not familiar with HVAC systems so this helped tremendously. Thanks
Great to hear. Thanks for subscribing!
Best explanation I saw so far, Thank you!
Exactly what I was looking for, thanks!
Dude… Can’t thank you enough for the info. Great video.
Thank you, your video helped me install my new Nest Learning Thermostat on my single-stage system...
Nice work!
Like dis dude, broke down da meaning ov every wire and what it does. Damn sure needed dat info for sure👍🏿👍🏿👍🏿👍🏿👍🏿
Thank you for this video. I have 4 wires and in my original thermostat, the power wire was connected to Rh while a jumper wire was connected from Rh to Rc. When I installed my Nest, I did not know whether to install the power wire to Rc or Rh. In the end, I installed it to Rh, but I was still hesitant and I did not know much about it. I'm from South Florida where the weather is quite often hot. Your video provided me confirmation when you said it can be either Rh or Rc for the power wire to be connected to.
This videos was very helpful for installing my nest 👍🏼
Seven wires heat pump system; all I needed to know I found it in your video. Thank you!
Excellent demonstration. perfect!
Thank you, this video was very helpful to us, we were wired wrong and your expertise showed us what we were doing wrong.
This really helped. Thanks for posting
Thanks bro, it was exactly the explanation I need
Thank you for this posting buddy. RC and RH had me confused thx very much for helping. Hv a blessed day!
You too thanks for the comment and subscribing. Have a great rest of your weeekend!
I installed my nest in the winter and come spring I realized I had no a/c. This video solved my problem!!! Thank you so much! You’re awesome
I had the same problem how did you solve it
Don’t remember but I followed this video and fixed it. Lol 😅
Hey Sir! Excellent video! Thank you. I have a split system (One hvac system with 2 thermostats). My downstairs nest has been working perfectly however my wife recently bought me a Nest for the upstairs to replace an old thermostat (which works fine). The new Nest gives me troubles. When I first installed it I had to charge it via USB and then it worked for a pretty good while. However came home one day and it was now stuck in air-conditioning mode (the upstairs was freezing)! The only way to stop it was to remove the yellow wire. I contacted Nest and after an hour and a half of troubleshooting they sent me a new base. The Nest still doesn’t charge unless I throw it on a USB charger AND now I get intermittent “no power to Y1 or RC errors. I have a 4 wire setup. Y1, G, Rc and W1. Btw that is exactly how the downstairs Nest is wired and it’s been working for 2ish years. Do you have a video that explains this? Thank you!
Awesome explanation. Thank you
thank you for sharing this! I am looking to upgrade my thermostat. And your video is very helpful!❤
great video very good explanation for older systems that have more than 5 wires and that is the problem with the others videos that explain the easy replacement of a thermostat and not the confusing old thermostat like my in my house that carry about 9 or 10 wires that are so confusing that I am intimidate to install a new thermostat like the Nest for the little information and experience from my part ,thanks for you explanation
Amazing video. Thanks
Thank you for this video!!!
Thanks man! Awesome video that answered my questions about Rc and Rh slots :)
Thank you so much, stay blessed...
Thanks for your video, just by explaining what the OB terminal does, you helped explain to me why my fan would go on non-stop 24/7. It was because I had a wire in OB instead of in G. Moved OB to G and now the nest recognizes I have a fan and I can turn it off. Saved me lots of hastle, thanks!
Awesome presentation 👏
Extremely helpful and the way he explained is very clear. You are a pro thank you!
Saved me. Thank you!
You the man! Thanks!
Excellent video, thanks
Thanks your videos are Nest are super helpful. Question: if I had an old nest that only did the cooling with four wires: R, G, C, Y1. If I want to get a new Nest for both AC and boiler (which is two wires without C), do I need another C wire for the boiler or I could just rely on the C wire from my AC. Thanks so much!
Thanks, just bought two Nests and have a oil boiler. Will work on my R & W
Great job 👍
Great explanation on all. I bought the new nest gen 3, nothing was working according to their directions. I had a 4 wire system, but the white wire was connected to OB. You said in the video to put that wire on W1. I did, everything works now. It's also nice to know what all those wire spots do. Our business has 3 furnaces, and now all 3 are working properly now. Thank you. FYI, I called OnTech (Google tech), he showed up today, and I asked him about it all anyway, and I knew more than he did! (Just from your video). My only question that I still do not have answered: How can I get the fan to run on "high" all the time. The google help says it can be done with my Learning Nest, but I cannot get it, and the Google Tech was clueless (as always).
Great Video well done sir.
Thanks for the visit
Great video, do you happen to have any Nest videos for a heat pump system with a 2 speed fan?
Awesome video!!! Explains everything for me. :-)
Thank you for the video! Question: I have a geothermal and the gas system in my house. Do I connect geothermal to O/B or W1?
Thanks.
Thanks this explains a lot for us novices😊😊😊
super helpful!! thank you
Glad it was helpful!
Thanks for the amazing video. I just bought the 3rd generation nest. I look up my old thermostat wires. I see the red power wire goes to RY and a jumper from RY to RC. Do I need to do that with the nest? And then, there is another jumper from W2/aux to E/emergency heat. Do I need to do that with the nest? Thanks for your help in advance.
Thank you Mike Napoli
Thanks for that video, great explanation. I have a question, I am trying to install my Nest Learning Thermostat 3rd Gen and after removing my old thermostat (Aube TH144HP 3H2C)and I am wondering if I should put my actual "W" wire to the W1 or W2/Aux on the Nest. My Furnace booklet tells me that this white wire is Aux. Heat... We have a 2 Stage Furnace with Heat Pump system. Also, my old thermostat has jumper in the back and the Aux Jumper is set to Y+W... Does this change the way I plug my new Nest? Thanks in advance.
I appreciate you!
Great Video. We are about to bring the two LV wires from a boiler heater over to the AC area and merge onto a newly installed NEST. One of the heat wires would go onto the RC terminal I am not clear about where to place the second wire? I think RH and W1?
had my heat wire going to heat pump since i completely fllowed old tthermostat setup. changed it after watching video now all good
Very helpful how do I hook up if you have y1 and y2
Great video on how to setup the nest with a heat pump. I'm wondering will all nest thermostats work with a heat pump ? I have a nest that I installed a few years ago on my oil burning furnace heating system. I'm planning to replace this furnace with a central heat pump and was wondering if my nest will be compatible with the new pump.
Thank you so much for describing very smoothly, but have 1 question regarding my old thermostat, so it has 5 wires as follow RH= 24 Volt, Y/0= air conditioning Compressor, W/B= Heating, G= Fan, Y1= Heat Pump Compressor as per my old thermostat diagram (Hunter Model 44360), if you can describe me which wire goes where please, and thanks again.
Thanks for your video, I have a Honeywell thermostat which has only two wires named A&B. It seems it got the high voltage on it, can I connect my Nest 3rd on these two wires and which I should connect to? Is is it possible at all or I need to install the main
Hi, what about wiring with an Argo heat switch system?
I'm literally crying rn, we've been almost 2 weeks without heat -in WI, in January, in a cold snap. We bought this house last September, and the previous owners had installed a Buderus Logamax GB-142 condensing boiler for in-floor radiant heat. the wiring job is... less than obvious. Since the Buderus is a two wire system (white and red), there's no common wire, and whoever did the wiring spliced a brown wire to the red wire from the boiler, probably to not confuse it with the red wire from the AC. The white wire from the AC was spliced into a black wire - again, probably to avoid confusion.
Avoid confusion, it *did not*
Because of the wiring shenanigans, the Nest was freaking out about the wire setup. I finally fixed this by seeing your video and putting the brown wire (red from boiler) into the w2 slot and the black wire into RC. Suddenly the Nest recognized the wiring and now I'm waiting for it to have enough juice to connect to the wi fi.
Thank you so much, I would never have enough for a repair tech, as I'm on SSI.
Hello
I have been following your RUclips channel. You’ve been a great help on almost everything you share. But I’ve been facing Next Thermostat battery/ low battery/ common wire power problem.
I watched your 3 videos related to that problem but I am still missing a piece to complete the puzzle.
Is there anyway I can share pictures of my thermostat and furnace wiring so you can see what i am doing wrong.
I would appreciate your kind help.
Thanks sir
Very well said. I live in northern climate with only heat. My old wires are red, white, green and blue wires. I’ve recently hooked up my nest and everything appears to work but get message N256 and see the C and G wires are undetected. I can’t seem to find a diagram on my old wiring to feed the nest. What color wires should go to my nest connectors?
Thanks for the help, I was able to figure out in my dual-zone home that the previous owners had put ONE zone's blue wire into the Common Wire slot, and had put the OTHER zone's blue wire into the Blue slot (because it's blue, so obviously it goes there, right? Pffft). I don't have a heat pump and was able to figure it out with your help!
This is going well
I have 2 red wires going into the RH wire. One wire is a larger gauge than the other. I’m your opinion, which one could I stick in the R slot since I cannot put two wires in there. Great video. You spoke very clear.
Thanks for the video. I have a standard hvac system and air conditioner but my thermostat has the red wire going into RC with a jumper going to RH. I'm looking at the installation video for the regular Nest...not the learning or the E....and it only has one spot for R. Is this going to be an issue? Also, if I buy a nest learning, which has spots for both RC and RH, do I run a jumper from RC to RH? Thanks!
Thanks, I had a Nest Gen 3 connected to a Burnham/Beckett 80's two wire system here in chilly central Massachusetts using the Rc and W1 wires. I was concerned because the installer used Rc instead of Rh. I moved the wire from Rc to Rh and the nest asked me if my wiring had changed. I said yes and 30 sec later I'm back in business. I guess the Rc and Rh in this case are the same but its nice to get your confirmation rather than feeling uneasy with the much less detailed videos out there. Can I assume that during a hot summer when the Nest never "calls" for heat that the unit draws just enough current to power the Nest without unnecessarily turning on heat or could this explain why i need a new Nest battery after 3 years?
Great explanation, thanks i was worried because when i removed my thermostat the RED was connected to RC (Honeywell)and on the new thermostat (nest) the RED get's connected to RH. Thanks for educating us.
You're welcome! Thanks for watching and the comment.
Great explanation! I got Honeywell HZ322 zoning panel where W2 is connected with white wire and W1/E is connected with black wire. Should my Nest learning thermostat also be wired same as Zoning panel? Currently white wire is connected to W1 and black wire is connected to “*”. Any suggestions is much appreciated.
James - Thank you so much for explaining all of this in such a clear and understandable way. I have a question - I have a system that has two G wires - for HIGH and LOW fan. Do you have a video that explains where that wire should be connected? Oddly the thermostat appears to be getting power - yet it gives an e75 error indicating that there is nothing connected to y1 or w1 even though the correct wires are connected to the terminals. When I look up the error on the nest site - it says invalid error. I am not sure if this 7th wire has anything to do with it…. so I was hoping you might have another video that could help. Again - Thanks so much…
Great video. After I connected my C wire to the furnace control board and Nest, my app now shows thermostat is online.
excellent explanation thank you... one cuestion what color would be the C wire, . I have the 4 wire RHRc, W,G,Y . but I have to wire more not connected to my thermostat...
Thanks for your video. I have a question my old thermostat have a jumper between rh & rc. I have white wire to W & red to RC. On nest do i need a jumper? & how do i connect white & red wire?
Dude...this rules. Thank you.
Great video. I am just installing a learning Nest thermostat and and my old Honeywell thermostat has 6 wires and the blue wire was connected to W2. I don't have heat pump or dehumidifier . Should I install that wire in the W2 connection of the nest thermostat? Thank you so much for your help
Hello great video , I have 2 wires and have a furnace for heat . Could you do a video on that thank you
Hi I have a white cable that came from my old thermostat connected to O but in the nest it doesn't have one does it go to W1?
Thanks got my nest installed in less then 5 mins.
I have an issue with my heating. You mentioned the system "short cycling" on the A/C side if you have a system that may need the "c" common wire hooked up. I am having this issue on the heating side and my "c" wire is not hooked up. Should I assume this short cycling is because I need to hook the common up? I think i will try it regardless. Thanks. Awesome video
Thank you for the videos! I have been searching and unable to find an explanation for my situation. I have a Nest Learning Thermostat which is connected to a Goodman (2 stage blower) heat pump/AC and have Propane for the backup heat. It was installed about 3 years ago and every season change from cooling or heat I have had to call an HVAC tech to come out and re-connect the system so it will work for the season. Yesterday it was 85 in the house and the AC was blowing 100-degree heat. The HVAC tech thinks that the nest is defective... Any suggestions?
I have a question. I was wanting to install a nest thermostat. My current thermostat has a orange wire in the y slot. But it also has a yellow wire that’s not being used. So which wire should I plug into the y slot in my nest thermostat the yellow wire or the orange wire???? I have gas heat
Super helpful, furnace was blowing cold air and AC was kicking one, switched one wire some yahoo hooked up wrong C to the OB, don’t have a heat pump haha, simple fix
Very good video. I bought one of these yesterday and my OB wire isn't working. And it pumps cold air regardless of mode..what am I doing wrong
thank you for this educational video. i have an office running in a same unit a/c with 2 different wifi now the nest is in other office beside me. can i add my own nest for my office i have 5 wire would it be possible to use the same color code for the new one getting branch out from other office.
i have got a 2 wire boiler heat on one wire set and on the other I have a 4 wire A/C unit. I do not have a common but I do have extra wires available and a transformer.
thank you for your video, I have some issue with Nest, it running 14hr a day, I do not think it should run that much. I had no C wire but was able to add using unused wire and my old thermostat had jumper between R and Rc. I connected the red wire only to Rc. Do I need to add jumper, Nest recommendation was without C wire but two red one go to Rc and other to Rh
Question, Goodman heat pump, with y1, y2, r and c wires available. If I just want to use it for AC can I just connect the y1 and c wires to the wiring block in the Goodman has furnace. Is using the 2 stage heat pump feature worth it. My furnace wiring block only has a y terminal. Would I just run the y2 back to the nest thermostat if I to use the y2 terminal for 2 stage? Thoughts? Thank you, Jack Perlmutter
Hello! I am installing a Nest Thermostat. Where do I connect the Brown wire coming from the wall? Happy New Year! Thank you.
Great video! I have a slightly different set up than you spoke of. I have a four wire system, three match your video; G, Rh, & Y1. My old thermostat has a wire in the Y/O terminal. Am I wrong to assume this is heat and should be put in the W1 terminal of the Next Learning Thermostat? Thank you!
I have a 2 stage air handler and it’s mostly for heat but has y1 and y2 and only a w1. We find the air doesn’t seem to push while the heat is on. No heat pump is hooked up yet. Will be just not this winter) Would we be able to switch the y2 to the w2 in the nest and in the air handler or how would we go about that?
You skipped the 6 wire system 😞
Thanks for all the info