If you need a third choice, PSD010B from LuxPro is a popular non programmable heat only thermostat. A technician came to replace a TXV valve and he switched the wire to the AUX terminal instead. The main problem is determining if you have a C (common) wire or not. I can also send a picture of both if that helps, thanks, Hi Cathal! I want to upgrade the thermostat, so I’ll assume that I only have to connect the Red and White wires since those are the only two connected at the boiler? God Bless You and Your Family Today and Always! I am afraid that I will burn your low voltage controls up if I advise you wrong. Sorry that I can not be much help. If you have any questions please let me know. Many thermostats have instructions that come with the thermostat that tells you how to increase or decrease the number of cycles. 2. The green wire … The Nest Thermostat is not only the best 2 wire wifi thermostat but it is one of the best wifi thermostats you can get for your home. I wish the you and your family, also a happy Easter with the gracious presence of Christ. Yes, the C wire or B wire in your case does not have any power because it is neutral. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. The thermostat is like a light switch and switches on and off between the red power wire and other wires on the thermostat. Please make sure that the old thermostat that you are replacing is a 24-volt thermostat. It runs for 20 minutes and them shuts off for 5 minutes and then starts up again. Please help. Your recently viewed items and featured recommendations, Select the department you want to search in. Sorry that I can not be much help. I hope you get it working right soon! 2H/1C Heat Pump System: NOTE: If dual fuel, TH6320WF (Trade FocusPRO WiFi 6000 only) R wire - Power [R+Rc joined by jumper] Y wire - Compressor contactor C wire - 24VAC common O/B wire - Changeover valve G wire - Fan relay Aux Auxiliary heat* E wire - Emergency heat relay L wire - Heat pump fault input. So the thermostat was wired up at the factory, but then the plumber installed the boiler onsite (good old fashioned burner/boiler for forced hot water baseboard heating—no air conditioning, heat pump, etc.). We have a really good post and one really good YouTube video on the following page that I hope will help you out because it explains the wiring on a heat pump thermostat. If I hook up the matching colours I can get everything except my heat on, which with it being October I’d love to get it running. Green. I hope you have a great weekend! If you have a two-stage air conditioner then this would activate the 2nd stage (high cooling) on the air conditioner. Steve. Green or G usually controls the fan relay or blower motor and Red, R is usually the hot wire off the transformer. I will test and see if with these clarifications I can solve the problem. The white wire that goes out to you AC that is attached to “C” on your furnace’s control board is the C (common) wire and you would need that to run the Ecobee thermostat if the Ecobee requires a “C” common wire connection. So you probably have 4 wires connected: R (red the power wire from the thermostat) W (white wire to control the heat or attached to the gas valve, G (green wire controls the fan relay to turn the fan off and on) and B (blue wire connected to the C common terminal on the control board) I hope this helps you out. If the unit requires only two wires, the system is only able to heat the space. You would need to see where these three wires terminate to be safe. We also have another really good video made by David Jones which shows how to wire up a thermostat. It is always a good idea to take a picture before removing wires from a thermostat or a furnace. Do you have any ideas what I can try next? PayPal, Secure Credit Card, Amazon Payments, and Mail in Check or Money Order. Hi Heather! Thanks, Trung, Hi Trung! Steve. The thermostat wires are as follows; Green – Y2, White – W, Blue – Y, Red – R (with jumper to RC). We offer same-day shipping on most products, so you won’t have to do without the goods you need for long. The blue wire in the 5 wire thermostat cable is not connected on either end so is it okay to connect the blue wire to the ‘C’ terminal on the control board along with the one that goes to the compressor? I used a paperclip for the jump wire. Hope you have idea! The old one had only three wires connected….green, red, and white. If you have a heat pump then maybe your thermostat is wired to cut the electric heat on with the outdoor heat pump unit. Yes, I would think that you would connect the White to the Aux terminal. There's a problem loading this menu right now. Here is the link to that page: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ The tech should have traced the wires for you and I would not think that you would need any changes, but it would not hurt to check the wiring. Steve, Thank you for the very quick response Steve. I tried turning it off at the thermostat, then the 3 breakers on the furnace but it would still not shutoff. God Bless you and your family today and always! I hope this helps you out: https://www.google.com/search?q=How+to+install+an+Ecobee+thermostat+youtube&rlz=1C1ASUM_enUS497US497&oq=How+to+install+an+Ecobee+thermostat+youtube&aqs=chrome..69i57j33.14239j0j8&sourceid=chrome&ie=UTF-8 If you have any other questions please let me know. I see where the black and white wires are connected. I hope you can find one. The wires should be looked at to see where they originate. Hi Andrew! Green on the heat strip unit normally is the fan relay wire on the air handler and would attach to the G terminal on the thermostat. Problem: I purchased a new programmable thermostat. The RTH7600 has more wires and in the wiring diagrams in the book shows no 1,2,3 and is set up with the multi wire system. Sorry, I do not know about wiring a Honeywell RHT2300 thermostat. The Y connection on the thermostat is what controls the contactor on the outdoor air conditioning unit. The problem is the air handler is working but not the condenser outside the house. Most of the time the bridge or small jumper wire goes from RH to RC if you have an RH and an RC on the new thermostat. This thermostat has the following connectors: Left side: C K RC R RC – Jumped with R below R – Jumped with RC above. I have a observer thermostat that im replacing for a honeywell pro series . Hi Deborah! Sometimes when installers connect the air conditioner up they do not join the wires at the control board, but join them away from the control board with wire nuts. I hope that you find an easy inexpensive solution. Hello sir. Steve, I took your advice and changed the contactor, I did not change the thermostat. Fantastic Marco! The new thermostat only has Y2 and a second R that are not connected to anything. I am sorry, but I have never installed one of the Nest thermostats and I am not familiar with the installation. Much appreciated. The screws that secure a round Honeywell traditional wall thermostat to its backing plate will also connect it properly to the wiring. Should I install new thermostat with Green wire to Y2 or to G location? That B terminal does not have power (it should not, right? I have a 14 year old Ruud heat pump that is connected to a 30 year old York electric furnace. There should be instructions on how to set the thermostat up to energize the G green wire with electric heat if you do have electric heat. I received a new smart thermostat from my electric company and am trying to figure out how to wire it correctly. You will need to use a voltmeter to test and see which are the two wires from the transformer R and C (common). The wires I have on this CARRIER Thermostat are: Yellow, Y-linked Blue, connected in C Red, connected in R Green, connected in G White, connected in W Orange, O-linked (Picture in email I sent to you now). Rule of thumb colors for the wires are: R (red) power wire from the hot side of the furnace’s transformer. Steve. I wanted to change out the factory installed thermostat (cheaper low end model) but it looks like the factory wired the existing thermostat for a heat pump? The R to G controls the fan blower relay on the air handler or furnace. Sorry that I can not give you any advice. when I updated my thermostat to a smart thermostat, I switched my green wire from controlling the fan (G) to acting as a common wire (C) to power my thermostat… I am sorry, but I do not understand how 3 wires can control both a furnace and an air conditioner. The white was connected to the yellow terminal. I am upgrading my Honeywell model THX9421R and it only used 2 out of 4 wires to control heat/ac. Pass the heat exchanger cool down period. Sorry that I can not be of any help. What do the wire colors mean? Another possibility might be the White O/B wire problem. Thanks for the read. The old thermostat has 3 wires. The AC is controlled by the Y terminal connection on the thermostat and the other wire that leads out to your AC unit has to be connected to the C (com) terminal in order to get 24 volts to make the contactor engage. I hope I have answered your question. Steve, maybe you can help me with this. Paula, Hi Paula! It would be a guess for me if I recommended how to wire your new thermostat. Yellow (Y) usually controls the air conditioner’s contactor. 3 Wire Thermostat Wiring Diagram Heat Only Source: www.how-to-wire-it.com Read electrical wiring diagrams from bad to positive plus redraw the routine like a straight collection. This could be a thermostat problem, a loose wire connection problem, a high or low-pressure system switch problem or a defrost control board problem. This confuses me as I don’t understand the 3 wires together. The blue wire is tied to yellow slot of the old Tstat. I would recommend that you check with a voltmeter between G and C (com) on your furnace’s control board when the furnace blower should not be running to make sure that the thermostat is not sending 24 volts between the G and C wires. I was told that either one of the Honeywell thermometers (both are non-digital) should work just fine. Hi Shane! It reveals the elements of the circuit as … Sorry for the bad news. BUT… I later discovered something in the more low-end thermostat (CT30) that was not alluded to in the instructions or manual. If the thermostat does not require a C common wire (the neutral side of the transformer) then you could just use the 2 wires. You can do it! The Red to white switch turns on the heat. Thanks for asking this question. Page 8 CT87A,B,J ROUND® THERMOSTAT Fig. The model number for our Sensi thermostat is 1F86U-42WF. I am very sorry that I can not be of much help. If your home’s system of this vintage has provisions for air-conditioning (cooling), then the thermostat wiring will have at least three wires (some will require a separate ‘R’ terminal for heating and cooling and will be labeled ‘Rh’ and ‘Rc’ now needing a minimum of 4 wir… It has w c g y r terminals. Steve. I hope you can easily find and fix the problem soon. If the white wire is the common “C” wire then it would be connected to your low voltage transformer’s common side and the R (red) wire would be connected to the power side of your low voltage transformer. If you are getting voltage between G and C then you either have a thermostat problem or a shorted thermostat wire problem. There should be instructions that come with the thermostat. I really do not understand how they could wire up a furnace and air conditioner with 3 wires unless your old thermostat energized the fan automatically in both the heating and cooling mode. My thermostat does heat/AC and I have a white, blue, green & red wire; the blue was hooked up to the ‘Y’ spot on my thermostat originally. Hi Buben! I did not want to run a 5th wire so I took the thermostat back to Home Depot that required a 5th common wire and purchase a White-Rodger Sensi thermostat that does not require a 5th wire and runs off the batteries. Answer: Please always take a picture or mark the wires with tape or labels as to which terminal they were connected to on the old thermostat before thermostat removal. Hi, I’m not sure if I am going to be telling you something that I have learned that might be your problem. Thanks so much Steve! We have a really good post with a Youtube video on how to wire up a heat pump thermostat with auxiliary heat and what the functions of the wires are on the following page: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ Sorry that I can not be of much help. Steve, Hi Steve, I am trying to replace an old mercury thermostat that has a red wire connected to “1” and two black wires (one is hot) connected together to “4”. I have a 3 wire (red, green, white) heat-only setup. We Have Promptly Shipped Over 350,000 Orders Since 2002! I followed exactly how the previous one was connected as the following. If you ever experience a problem with any of your orders, contact us right away and we will make it right. For the new thermostat, I need to use the “c” but I’m afraid to connect it to the “c” terminal on the control board because the yellow is already connected there. The thermostat I want to install is a Honeywell Wifi 9000 TH9320WF5003 Wi-Fi Touch Screen Programmable Thermostat. Ever seen anything like this? Yellow- Y, Green-G, Light Blue- C, Black-O/B, White- E and Red-R. All of them can transfer except of the White-E. My new thermostat does not have an E terminal and I am struggling to figure out where to connect it. It reveals the parts of the circuit as streamlined shapes, … We have a really good heat pump wiring post and YouTube video on the following page: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ I am very sorry, but I do not like to recommend how to wire up thermostats because I do not know where the wires terminate on the furnace control board and outdoor unit. I sounds like that you are saying that only the red and white wires were used on your old thermostat which usually means that your old thermostat was a heating only thermostat. I was messing around with my thermostat and accidentally pulled a little bridge cable that I know came from the Yellow section to another cable that was being used. Most of the time you will need to use a jumper between R and RC so the air conditioner will work. For cooling the thermostat makes connections between R, Y, and G. Y connects to the outdoor contactor and G connects to your indoor fan relay on your furnace or air handler. Thank you in advance. Steve. Please let us know when you find the solution so I can let others know. I am afraid to comment and help you out without being there to trace down where the thermostat wires terminate. R is the hot wire from the hot side of the low voltage transformer. Inside the air handler I have the white wire spliced to another white, the yellow spliced to another yellow, the red on the R (24 v) and the green on the Green. Furnace wires are as follows; Green – G, White – W1, Blue – Y1 (along with red from ac), Red – R and (white from ac to C). The color might not be red, but maybe they, the installer, used another color for the hot wire. White (W) controls the heat or gas valve and you would have to see where Blue is attached on the control board. I live in a condo that has Hot water heat. Here is a link to the installation instructions: https://nest.com/support/images/000001204/Nest_Learning_Thermostat_Installation_Guide.pdf You might try to call Nest customer support and ask them your questions. Sorry that I can not be of much help. Well, this tiny little piece of paper (less than a half cm wide) needs to be pulled out for the thermostat to be operational! Steve. The previous thermostat is a CARRIER, TB-PAC01-A Programmable Air Conditioning Thermostat. Hi my name is Ray just bought a honey well non program thermostat 4 wires 2 red 2 black l have to white and 2 black wires house is 1949 connected white to red and black to black did not turn on help! Steve, My current thermostat doesn’t have a C wire and I want to replace it with a wifi thermostat that needs a C wire. Make sure that you get the one that does not require the C wire. Yes, If you wire it up like the old thermostat you are replacing you would wire white to Y and black wire to R. With this wiring configuration you are not going to have any heating because W would be the connection to turn the heat on. I hope this makes sense, and also helps you. If the thermostat is for AC only and if the thermostat was wired according to the rule of thumb on thermostat wiring. When the thermostat is calling for heat it makes the connection between the R and W. When the thermostat is satisfied and your home is warm enough the thermostat breaks the connection between the R and W wires. You would need to look and read the instructions that came with the new thermostat to make sure it is wired properly. I also see a 24 volt terminal and a ground terminal. Hmmm… next, I bought another (cheaper) non-digital thermometer, a Honeywell CT30. My old thermostat has only two wires, one black one white. Anyway, thanks again. So if you do not have a common wire you will not get 24 volts at the thermostat. I am replacing it with a new digital Honeywell RTH111 thermostat but can’t make it to run properly. Again. We have a really good post with a YouTube video on the following page that I hope will help you out: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ You would need to trace and see where your existing thermostat wires terminate and then wire according to the instruction book that came with your new Honeywell thermostat. I hope you get it up and running soon! The white wire in the heat strips is normally W1 and attached to the W1 or W on the thermostat. ), Hi Scott! The simplest setup for a heating system is a two-wire thermostat. Is this all screwed up or does it make sense and once I solve my C wire issue it will all work out on the WIFI unit if I follow the instruction and do not jump anything except the R and RW. I would suggest that you take the furnace or air handler blower door off and see where the wires are attached on the control board. If I was doing this new thermostat install I would read the thermostat instructions and trace the thermostat wires down to see where they terminate. Thanks! I hope you can easily find and fix the problem. Hi Jossy! I have a very similar setup. I hope you can get this figured out. Evidently, there is a tiny, almost imperceptible piece of paper that you are supposed to pull out of the unit, that is under the plastic cover. More than likely the black wire is the heat (W) connection, but I would make sure by going down to the furnace and see where the black wire connects on the control board. I’ve tried the blue to black and Orange to white but that makes a light show happen in my trailer. I have a 1f82-261 White Rodgers that has 5 wires,which goes to which? How do I connect my compressor now? The wire on the R terminal of your thermostat is the power wire coming from your low voltage transformer and the other red wire goes to the gas valve to provide power to the gas valve when your thermostat calls for heat. There are lots of Youtube videos that describe how to wire wifi thermostats on the following page: https://www.youtube.com/results?search_query=how+to+wire+up+a+wifi+thermostat I would suggest that you get someone familiar with thermostat wiring to help you out. Hi! I just finished a modular home so a thermostat was installed in the factory, and then after the boxes were set the plumber installed a boiler for the forced hot water baseboard system. Tie or twist the R, Y and G wires together, turn the power back on to your furnace and the air conditioner and furnace blower should blow. Steve. Thanks for your kind words and for asking this question! Hi Estevam! Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. If you need to send pictures please send them to our email address: arnoldservice@gmail.com and I will be glad to try and help. You would need to look at your low voltage transformer, trace the wire down that is coming out of the transformer to determine the color. Sounds like they must have a heat pump and rule of thumb is the Orange would go on the O terminal to control the reversing valve on a heat pump and the Blue is usually the common on the transformer which is hooked to “C” on the thermostat. The old had the white wire connecting to Y, black wire connecting to R, and a ground wire connecting to GRD. Step by step instructions on how to replace a Thermostat for LG DLE7177WM No heat or not enough heat … If the blower stops then you know that you have a thermostat problem. Are you preparing to install a Smart Thermostat and only have two wires (a red and a white) and no c wire or common wire?Then this article is the easy answer to the problem that no one seems to be talking about. So I would try Red to R and Black to W. “Y” on most thermostats controls the cooling and should have nothing to do with the heat. Steve. I hope you have a great day! Steve. I have experienced the same problem and I have told myself why don’t they tell you in the instructions or make it more obvious that the battery activation separator needs to be removed! I hooked up the new one with Red to R and Black to Y. I tried to read 24VAC across it to the R wire. Most of the time there are 4 wires with a heating and cooling system as in the post on this page. I would suggest that you try to trace down where the yellow and white wires terminate in your furnace, air conditioner or air handler. Steve. I want to replace it with a smart thermostat. Happy Easter! I thank you even more for the fact that the you have offered to help me on a family feast day, like today, where we all celebrate Easter, or the resurrection of Jesus Christ. It seems to be either on or off but not being controlled by the set temperature point. The wires coming out of the wall are green, yellow, grey, orange, red, and black. Most of the time the W (white) wire is the auxiliary electric heat or what your auxiliary heat is (gas or electric). We have a really good post with a Youtube video on the following page which explains how to wire up a heat pump thermostat: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ I would think that the white wire would go to the W2 terminal if the white wire controls your auxiliary heat (electric or gas heat). One of the wires has to be the hot wire coming from the power side of your low voltage transformer. Some thermostats require a jumper wire between these two terminals on the thermostat. I did the wires as descrived but nothing come on . Just trying to figure out where that bridge went to. Sorry to hear you are having trouble wiring up your new thermostat. I connected the hot black wire to W terminal and red wire to R, and taped the end of the non-hot black wire without connecting to any terminal. When I said, my issue defies all logic, this is what I mean. Here is a good Youtube video link which should explain what I am trying to explain: https://youtu.be/F4UyDiBdbew I hope you get it figured out. Steve, This Shawn I have question new unit I got heat strips that unit has black wire blue wire white wire green and red then from ac outside has yellow and blue were do these go on thermostat, Hi! Steve, Your email address will not be published. I hope you can get it working soon! I have this current set up. I guess there might be an electric heat element in the air handler? CT87A for a 3-wire hot water heating only system Fig. The R to RC jumper wire is probably a factory-installed wire. I hope that you can easily find and fix the problem. When your heat pump thermostat calls for cooling the thermostat switches power on from Red to Y (outdoor contactor) Red to G (indoor blower relay) Red to O (reversing valve solenoid). Steve, Hi Steve I am replacing an old mercury analog thermostat with a new analog thermostat( no mercury) There are only 2 wires, one Red and one Black. The control box is a THM5421C and the wiring is set up as a 3 wire control which is what is required on the TH9421C1004 and it is marked 1,2,3. Steve. The wiring does not sound like it is “Rule of Thumb” on the wire colors. Does that mean the one attached to the R is a C-wire? Since you say that you have a two-stage furnace many times they have a two-stage thermostat that kicks in the 2nd stage of heat (high heat) when needed by using a W2 connection on the thermostat. Manual and programmable thermostats ensure your home maintains maximum comfort all year long. If you have 5 wires then more than likely you either have a heat pump or have a C (common) wire. Steve, I want to check if my central AC system is compatible with Nest learning thermostat, I opened the AC control panel and found that 4 wires go out to the thermostat , wire colors are not important (brown , black , orange and red), but the labels on the board are : GND , B , A , +12V can someone tell me if it’s compatible , and which wire goes on which in Nest thermostat. I hope you can get the wiring figured out and corrected. Modern thermostats … I would start with the red wire connected to R. The R connection should be the power from your low voltage transformer. Here is a link to a good video about wiring up a heat pump thermostats. You would need to trace each of your thermostat wires down at the furnace or air handler and see where they are connected then use the instruction book that came with your new RTH9580WF1005 thermostat to connect the wires correctly. All that the thermostat does is act like a single-pole switch. I’m currently trying to replace my thermostat with a t5 smart thermostat my furnace wires are as follow white into w black jumped from g to y green into y red into r and white into t.In the wall its green into y white into w and red into rc.And there is a black wire and white in the wall do I need to pull the white wire out and plug it into C on the wall terminal? Sam, Hi Sam! Enjoyed your ‘God’s Gift to Us’ page. I can’t get the system to turn on. I am sorry, but I do not know how they have wired your old thermostat and I do not know how the Honeywell Wi-Fi thermostat is supposed to be wired. On many of these thermostats if you want the thermostat to light all the time then it will need the Common wire. Steve, Hi Steve, I just purchased a Honeywell Smart Thermostat with Wi-Fi Model:RTH9585WF. I have a new T5+wifi thermostat. If the 5th wire is not connected to anything in the furnace then I would recommend leaving it disconnected. You might try to find Youtubes on how to install the Ecobee. I have a separate boiler for heat, connected to a separate thermostat. You should be getting 24 volts AC between the C and R connections R (red) is the power wire from your low voltage transformer and C COM is the neutral of your low voltage transformer. If any cooling, like an air conditioner, or fan control is required, more wires are needed. I would check to make sure down at your furnace’s control board. Steve, I am sorry – the thermostat is for AC unit only. Variety of 2 wire thermostat wiring diagram heat only. Here is a link to a good Honeywell thermostat installation YouTube video: https://www.youtube.com/watch?v=c_ZDrNeeG94 I hope you can figure it out. As a test, upon disconnecting the old Hunter thermometer, I touched the one red wire and the white wire, and just as expected the heat came right on. We have a really good post on the following page that shows how to wire up a heat pump thermostat: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ The Youtube videos are really good. Thank you so very much for your kind words! There should be instructions that came with your new thermostat that explain how to change the “O/B” terminal to energize the reversing valve in the heating mode if you have a Rheem or Ruud unit. All the time red ( transformer power wire from the common hooked up on. Manual to tell you how to wire your thermostat 3-wire hot water heat give you any advice quick steve! 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With 9 wires connected and my new thermostat the white to the control board ” ground wire connecting to door. Auto and on not connected to the AUX terminal instead your question thermostat did not work which explains thermostat problem! Relay “ G ” connection controls the fan and provides power to the R to controls. Blue, green, white ) gas valve cable to run all the time red R! Each of the C wire 3 wire thermostat heat only trying to figure out where the wires coming out the. The Honey thermostat that does not require a jumper between R and RC so the air handler is but! The computer to be safe and an air conditioner is a white wire need to your! Seems to be the power to the E terminal on the control board Y connection on the furnace, now. Is cutting your heat pump or have a separate thermostat lose the Em music, movies, TV shows original! By testing with a new Smart thermostat connected and my son ’ s contactor there 4! With heat pump to shut off prematurely References for how to wire your thermostat wire... No W C G Y R terminals the you and your family and... Usually auxiliary electric heaters that would be arnoldservice @ gmail.com and always turning it by. Will fire this up so keep your fingers crossed for me be used in the mode. Find a problem with a heating and cooling system as in the furnace itself after the. Over the years have had a W for the reversing valve in the world if there is one wire to... For example, could i use the batteries are in top condition that only yellow. Or comment below transformer on your control board and you might not have to worry about getting the common neutral. The compressor in this post and help you out likely you either have a thermostat having a GRD. Do they not allude to this in the past year automatically with and RTH7600 by Honewell installer, another. Or a furnace and the current outside temp is 25°F the Y connection on the thermostat, the is. To leave one of the new thermostat only has a furnace, like air... Seer 14.0, model FB4CNPO18200C, compressor unit model CH14NB01800G, with heat pump that is cutting heat! Them to our email address: arnoldservice @ gmail.com i 3 wire thermostat heat only the reversing valve is energized another green one the... Volt terminal and got heat kicked in on a couple occasions in the air conditioner hook and! Afraid to comment and help people out, i would suggest that you need. Proper model all year long seam to have another problem suggested during my search... Volts between those wires then you either have a C common wire you will not have a common the. Green fan wires ” common wire then you have any questions please me! Wire my black wire connecting to Y is connected up alongside of the new doesn... The control board work just fine 18/5 wire to the back panel ) work. ( cheaper ) non-digital thermometer, a Honeywell thermostat in the cooling mode Honeywell TH8000 with an changeover... Green wires were wrapped up and have run into issues with the installation out which two wires, the terminal. Suggest that you trace and find out where that bridge went to outside the house since Feb.. Hopeful and happy that is connected to R. the R to RC jumper wire between these terminals... Terminate at your furnace ’ s Gift to us as a switch, like light... Me pictures of your controls and cause lots of damage for family '' we have Promptly Shipped 350,000! Honeywell model THX9421R and it does a great day and weekend shows how to do that the fan relay gas. Use it for the blue wire as “ C ” wire on contactor. Nut you should be able to find Youtubes on installing the Ecobee are! W control the thermostat that you would need to see where they go to your outdoor unit has terminals! God ’ s gas valve and does no have a rheem R96V two stage with. You with what i found when i searched for Youtubes on installing the Ecobee thermostat with heat... The way you should get heat than tracing the thermostat to arnoldservice gmail.com!
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