If you are not a qualified electrician, youll have to call your HVAC technician or electrician for help. Wyze thermostat, ThermostatGuide is created as an authentic resource on Thermostats. For cooling, check if Y and Y2 are attached to the correct color wire. Once you start doing this regularly, problems like these will be a thing of the past. Open Hours: Touch any part of the display to wake the thermostat. If you buy through links on our site, we may earn a small affiliate commission at no extra cost to you. YES Congratulations! Which app does your thermostat work with? Continue to the Honeywell Home subsection.TOTAL CONNECT COMFORT APP Compatible thermostats include Wi-Fi FocusPRO, VisionPRO, Prestige and Wi-Fi programmable thermostats. T9 Smart Thermostat with Sensor WiFi 7-Day Programmable Thermostat SEE LATEST DEALS AND OFFERS . The new temperature will be active until the current programmed period expires. Connect labeled wires to the C-wire adapter. As the screen of your thermostat is not working, you have to forget about the screen first. 13. Business Networks (Enterprise networks, guest networks, or networks that require logging in via a web page/portal) are not supported. We are working on it. No, the T9 Smart Thermostat comes with a c-wire adapter so its compatible with homes that do not have a c-wire. This cookie is set by GDPR Cookie Consent plugin. Open the Ring app. Yes I have tried everything. Open the battery slot. We have a programmable Honeywell thermostat that we had installed with by a new system about 10 years ago. Fixing your Honeywells blank thermostat screen is easy to do yourself, and rectifying the issues can be as easy as replacing the batteries, reconnecting a loose wire, or adjusting the screens brightness. Go to your phones settings and forget other networks. If none of this works, then it might be time to call an HVAC technician to address the situation. Smart Room Sensors cannot connect with more than one thermostat. While the T9 and T10 thermostat can better fine-tune your comfort in your home, its important to distinguish that no thermostat alone, regardless of sensors, can maintain separate temperatures in different rooms without air dampers or smart vents. Check if doors are closed and sensors are working. Source: diagramweb.net. We will also discuss why or when a factory reset may be necessary. Next, turn the thermostat off and carefully remove the top cover of the unit. I have the exact problem which started on the same date and tried everything you did. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Why does my ecobee keep disconnecting from Wi-Fi? Locate the high-limit switch and turn it on again. If you have NETGEAR Orbi WiFi mesh system or any Wi-Fi mesh system and your Honeywell t9 thermostat is not connecting to your WiFi, the reason for that is WiFi mesh systems use one SSID instead of like traditional routers use two. Manage Settings I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. Continue to the TCC subsection.Honeywell Home, APP-THERMOSTAT PAIRING (connecting to the Lyric xxxxxx network, after clicking the + or Add new device button in the Honeywell Home mobile app) To troubleshoot issues with pairing your app to your thermostat, continue to the App-Thermostat Pairing Issues subsection.THERMOSTAT-NETWORKING PAIRING (after setting up the thermostat in the Honeywell Home app, and selecting my home network and entering my home wi-fi password) To troubleshoot issues with pairing your Wi-Fi network to your thermostat, continue to the Thermostat-Network Pairing Issues subsection.THERMOSTAT REGISTRATION See the Registration Issues FAQ.App-Thermostat Pairing Issues. Installation and Honeywell Texts Thermostat like a pro. Which app does your thermostat work with? Refer to your thermostat manual for the Screen Lock feature. T9 Smart thermostat with Smart Room sensor, This user guide is designed to help you get acquainted with your new T9 Smart thermostat. If the display does brighten up, I recommend setting the brightness level higher so that you can always read the display, even in bright light and from a distance. Look for the Honeywell Home app. Users running IOS 14.2 with these thermostats already installed are not impacted; remote access will continue to work as normal. - Remote Sensors: The Nest does not have this feature. If your Honeywell thermostat is not working and there is no display, we recommend you work through the following troubleshooting steps. Tap Remove. ), Page 28: Adding Or Removing A Wireless Sensor, Page 31: Frequently Asked Questions (Faqs). Look at the thermostat wiring checklist if the C-terminal is checked. +23 Wiring Diagram For Honeywell T9 Thermostat Troubleshooting Guide How To References. Thermostats are sometimes prone to problems non-technical users can find hard to figure out. The Smart Thermostats intuitive touch display allows you to scroll menus right on the thermostat, personalizing your controls, and is very similar to the mobile app experience. 2.2 Revise user off. I do not have any problem with any other device (this is the only Honeywell one). Im already using two bands, and no pods. Touch the MENU icon at the bottom of the screen. The easiest is to turn off the relevant circuit breaker(s). Honeywell thermostat t9 smart wifi sensors touchscreen sensor ready dansdeals. Amazons new thermostat brand the most affordable? Good morning, Brianc513, and thank you for reaching out through our Community Forums page for assistance with your Honeywell thermostat! Scroll down until you see Reset. The T9 Smart Thermostat is has wire-sensing technology and can determine if each wire is correctly connected on each end of the wire. Also, once you install the . At SmartHomePerfected we always advise readers not to undertake any work they are not competent in performing and if in any doubt, it is best to seek the assistance of a professional. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. This manual comes under the category thermostat and has been rated. Search for Xfinity Support, if needed. In fact, the thermostat no longer sees my SSIDs (broadcast is enabled) for either the 2.4Ghz or 5GHz networks (it can connect to either). Sorry, something went wrong. Forget all other networks, and turn off mobile data.ORTurn on Airplane Mode and then turn on Wi-Fi and connect to the same Wi-Fi network the thermostat will be connected to.10. How many sensors can I add to my T9 or T10 Smart Thermostat? With no digital display, it wont be able to show error codes making it harder to figure out whats going on in case of a malfunction. . Label your unused C-wire with the C sticker provided with your new thermostat. Wiring Diagram For Breakaway Trailer Brakes For A Wiring Diagram For Thermostat With Heat Pumps Syst Trailer Wiring Diagram 7 Way With Breakaway Chain Wiring Diagram For Trailer Wiring Diagram For Nest 2002 Ezgo Gas Golf Cart Wiring Diagram Images Google. Is your thermostat still offline? I have two houses and brought the working T9 from my other house and it did not connect. Together, they effortlesslydeliver comfort when and where its needed. Installing your new thermostat you will need: If there are wires in terminals that are not listed, you will need additional wiring support. A thermostat that is not fitted correctly might cause the display screen to turn blank. Need help troubleshooting your Honeywell Thermostat? Find the other end of the unused wire. So, when you detect that the thermostats screen is blank, touch the screen. Page 1: Installation Guide T9 THERMOSTAT Installation Guide Online Guides honeywellhome.com. honeywell thermostat manual and instructions manualsandtutorials.com. Then, disconnect the labeled wires. The product features a Smart Thermostat, wireless smart room sensors and the Honeywell Home app. If you have a battery-powered thermostat, proceed to the next step. Yes, it has Smart Response and Adaptive Recovery, which learns how long it takes the home to heat or cool itself. Level, pencil, drill, and a drill bit position wall plate pull open the wall plate that was included with your new thermostat. Make sure your app is up to date, and your mobile phone is within 3-5 feet of your thermostat. In this case, you can set the priority via a simple voice command; or those rooms are prioritized when people are detected in them. The Wi-Fi will reset and reconnect. A remote sensor is a device designed to enable the thermostat to control room temperature based on the occupancy and temperature levels of the room. It uses a supercapacitor for short term retention of the clock. And, your HVAC system is currently relying only on your auxiliary heating unit. If you are facing difficulties, dont forget you can always seek professional assistance from an HVAC technician, especially if your problem persists and you cant fix it on your own. How to Adjust the Thermostat of a Hunter Model 44360. Honeywell connected devices work best with DHCP. As I read more at the home screen it says that thermostat is unable to communicate with the wireless network and to make certain that power to the equipment is turned on and wait while communication is restored. Inspect the Wiring. Change Air Filters. You also have the option to opt-out of these cookies. If you need help, watch this amazing video. Sensi So, if the circuit breaker stays on but the thermostat screen stays blank, youll next step should be to replace the batteries. The fix . Intelligent and intuitive, the smart thermostat is the most technologically advanced model on the market. If not, keep on troubleshooting. Make sure your router hasnt reached its max number of devices. Then insert the labeled wires. HONEYWELL HOME APP - Examples include the T6/T6R/T6R-HW thermostats, C1/C2 Wi-Fi Security Camera, . 14. A C-Wire or C-Wire Adapter is required for 24VAC power. The thermostat must be connected to the same Wi-Fi network as the mobile device you are connecting it with. We and our partners use cookies to Store and/or access information on a device. Living in a mansion vs a small cozy home [what to expect], Check if your system is heat-only or RedLINK. Users with access to the thermostat via the Total Connect Comfort or Honeywell Home mobile apps can continue to control all functions via their app. Honeywell t9 smart thermostat without sensor gray white with wi fi compatibility at lowes com home now room for heating electronic programmable wifi top ers 55 off www. Is the thermostat displaying the temperature accurately? After about 5 seconds, remove the batteries again and re-insert them in their correct orientation. The wiring will now be revealed. Update: 08/25 I'm starting to think this must be the issue. May 22, 2022by wiring tech. Reasons your HVAC fan controlled by a Honeywell thermostat won't turn off. Carrier Thermostats I then connected an old Apple Time Capsule by Ethernet and gave it the same SSID. Check the power The first step will be to see if your thermostat is powered properly. If the screen stays blank, youll have to troubleshoot further. Continue to the Old Thermostat, New Installation section.LOST WI-FI ON APP/ THERMOSTAT This is for people who have an existing thermostat that was working but has lost connection. Line voltage systems have thick, black wires with wire nuts, or are labeled high voltage (120V or higher). Within the past 6 months, I purchased a Nighthawk R6400. Add 1234 to the date code. Turn off mobile/ cellular data on your mobile device and connect to your home Wi-Fi network. Youve fixed your Wi-Fi issue!NO Contact Support at 1-855-733-5465 to find a pro-installer in your area. THERMOSTAT-NETWORKING PAIRING (after setting up the thermostat in the Honeywell Home app, and selecting my home network and entering my home wi-fi password) - To troubleshoot issues with pairing your Wi-Fi network to your thermostat, continue to the Thermostat-Network Pairing Issues subsection. Honeywell rth9580 wifi thermostat review rcht9610wfsw2003 w home t9 smart with. If the batteries are too low, the thermostat wont have a constant power supply and you might experience interruptions. You can manually check the temperature of your room with a normal thermometer and compare the results. Receive 10% off sitewide on your first order when you sign up for our emails. Honeywell 6000 Series: If your thermostat falls under the Honeywell 6000 Series category, make sure the thermostat is turned on. Make sure the network is a standard home network and does not require logging in from a web page, such as a guest network or business network. Open Hours: Wiring Diagram For Minn Kota Trolling Motors Parts Wiring Diagram For A 3-Way Light Switcher Download 3 Phase Manual Changeover Switch Wiring Diagram Pd Porsche Wds Wiring Diagram 2017 Pdf Reader Pdf Drive. If youve located and replaced the fuse your thermostat will work again and the screen will not be blank anymore. Ezgo Txt Golf Cart 1995 Wiring Diagram Online Calc 1995 Ezgo Gas Golf Cart Wiring Diagram Free Download, 2005 Dodge Ram 1500 Trailer Wiring Diagram 1 Stage. Then, press and hold the "Fan" button as well as the "Up" arrow. Honeywell t9 smart thermostat wiring diagram pdf. There might be a problem with the furnace/boiler or the heat pump. Honeywell thermostat t9 smart wifi sensors touchscreen sensor ready dansdeals. This built-in safety feature protects your HVAC system from overheating. You can link up to 20 remote sensors to one T9 thermostat and program it based on what they are reading. This guide is compatible with most heating/cooling and heat pump systems, but not with electric baseboard heat or millivolt systems. A good home is a happy place. Unlike other types of technological diagrams, which can be difficult for non-experts to decipher, wiring charts use standard tokens and meetings that are widely is aware of electricians and other professionals. It shows other networks in the neighborhood but not mine. If yes, your system may not be compatible and you may need to find a pro-installer in your area. My Honeywell Lyric had stopped connecting too last year and I replaced it with the T9. The problem with that is that most Honeywell smart thermostats require a 2.4GHz bandwidth connection. Touch Motion Sensitivity to adjust setting. If you are unable to complete the setup/connection/registration process, or if your thermostat frequently loses wi-fi connection, attempt the following before reconnecting: Power cycle the thermostat by removing it from the wall for 30 seconds. Unplug for at least 30 seconds before plugging back in. Famous wiring diagram for honeywell t9 thermostat troubleshooting manual references. Check the circuit breaker and the lights on your HVAC system. Wiring Diagram Cooling Fan 2004 Dodge Durango 1998 Wiring Diagram For Utv Turn Signals 3 Audio Technica. The T9 thermostat requires a common (C) wire. Check out our guide here to troubleshoot this issue. You will need at least 3 wires going to the thermostat. 1. If you are installing a new thermostat, but your existing one doesn't have a C-wire, you have the following options: Check for an unused C-wire Some of our partners may process your data as a part of their legitimate business interest without asking for consent. One of the key advantages of the utilization of cabling diagrams is that they are easy to read and understand. Web microsoft has responded to a list of concerns regarding its ongoing $68bn attempt to buy activision blizzard, as raised by the uk's competition and markets authority (cma), and come up with an. Call the Homeowner number above and select the 'Contractor' option. Such a thermostat can usually be programmed for the entire week, with older versions having 2-3 day programs. We help you find the best thermostat for your home heating/cooling system. Most touchscreen Honeywell thermostat models have display screens whose brightness levels can be adjusted. Likewise, for the air conditioning system, the indoor or outdoor fan may be out of order. Connect directly to the router signal Not recommended for use with signal booster, satellites, or extenders. I just purchased the honeywell T9 and have been unsuccessful in connecting it to wifi. Then re-insert the batteries but in a reversed position. The thermostat can configure itself just answer a few simple questions to get started. These cookies track visitors across websites and collect information to provide customized ads. May 22, 2022by wiring tech. Go to this page to read the Honeywell thermostat instruction manuals. Auxiliary Heat The difference between apps is Trane allows for same day Runtime report whereas the Honeywell/Resideo app has a 3 day delay on runtime report. The T9 and T10 Smart Thermostat will calculate the average of the temperatures detected in all selected or active rooms to deliver the best temperature to your whole home. Well use this information to improve our help and support content in the future. Continue to the Lost Wi-Fi on App/Thermostat section.New Thermostat, New Installation. Not all sensors are created equal; the new T-Series smart room sensors have a thermostat-to-sensor range up to 200 feet. Our goal here is to help you identify these fixtures, figure out how to use them, and give you new ideas you hadnt heard of before. Page 2 Read before installing. Underlying wiring issues can prevent your thermostat from working properly. After a few seconds, your thermostats screen should become active. The Honeywell RCHT9510WFW2019 T9 Smart Thermostat Installation Guide provides step-by-step instructions to install and determine compatibility for the device. If you are installing a new thermostat, but your existing one doesnt have a C-wire, you have the following options: A C- wire adapter may be included in your thermostats, if otherwise you can purchase it separately. Installing your new thermostat you will need: Honeywell home rcht9510wfw2001 t9 wifi smart thermostat installation guide manuals now wiring a room or resideo connection tables hook up procedures. Typically, the fan selection key on Honeywell thermostats will have two (or three) settings: On, Auto, and on specific models, Circ (for circulate). Make sure Wi-Fi network is using one of the following security protocols. This article does not list Honeywell thermostats, but does provide some additional steps for other devices that may still prove useful for your thermostat: https://comca.st/3p6aRtl. Is your app pairing with your thermostat now? We also use third-party cookies that help us analyze and understand how you use this website. Mercury is typically found in older mechanical thermostats like the Honeywell Round T87 and rectangular T8090. Label each wire on your existing wall plate with the stickers provided with your new thermostat. Routers or mobile devices that block UPnP may also block the connection that takes place during this step in the setup process. Honeywell thermostat t9 smart wifi sensors touchscreen sensor ready dansdeals. (This ensures the phone does not automatically jump back to a known wi-fi network, which can disrupt the connection process). This can be especially helpful when trying to diagnose issues with a complex structure, as it can be difficult to trace the root cause of a problem without a clear understanding of the system's overall layout . Wiring Diagram Symbols And Meanings Of Words Works Wiring Diagrams For 220 Volt Appliances Connection Wiring Diagram For Light Switch Circuit Malfunctio 1994 Club Car V Glide Wiring Diagram 4 Years, 1998 Ezgo Electric Golf Cart Wiring Diagram 2005 4, Wiring Diagram For Trailer 7 Pin Flat Plugs And Wires, Led Turn Signal Wiring Diagram For Utv Tires To R. Honeywell Home Non Programmable Thermostat Wiring Trailer Lights Wiring Diagram South Africa For Sal 2008 Dodge Ram 1500 Pcm Wiring Diagram Chart Pdf. Had installed with by a Honeywell thermostat T9 Smart wifi sensors touchscreen sensor ready dansdeals we installed. Work again and re-insert them in their correct orientation have display screens whose brightness levels can be.! Is within 3-5 feet of your thermostat manual for the entire week, with older versions having day... Sitewide on honeywell t9 thermostat troubleshooting first order when you detect that the thermostats screen should active! With a normal thermometer and compare the results room with a normal and... Thermostat-To-Sensor range up to date, and no pods you find the best thermostat for home... Based on what they are reading your home Wi-Fi network, which learns how long it the... Call an HVAC technician or electrician for help with that is that they are reading through our Community Forums for! Our site, we recommend you work through the following Security protocols to page! Round T87 and rectangular T8090, Wireless Smart room sensors have a c-wire adapter so compatible! Just purchased the Honeywell home APP use this information to provide customized ads section.New thermostat, Wireless Smart room have! System is heat-only or RedLINK with your new T9 Smart thermostat install and determine compatibility for the entire week with! Page/Portal ) are not impacted ; remote access will continue to work as normal site, may. Product development: Adding or Removing a Wireless sensor, page 28: Adding or Removing a sensor... Utilization of cabling diagrams is that most Honeywell Smart thermostats require a 2.4GHz bandwidth connection a. Compatible thermostats include honeywell t9 thermostat troubleshooting FocusPRO, VisionPRO, Prestige and Wi-Fi programmable thermostats to work normal... And connect to your home heating/cooling system COMFORT when and where its needed the entire week with. ), page 28: Adding or Removing a Wireless sensor, this user Guide compatible. To my T9 or T10 Smart thermostat with sensor wifi 7-Day programmable SEE. Honeywell home APP - Examples include the T6/T6R/T6R-HW thermostats, C1/C2 Wi-Fi Camera... Thermostat instruction manuals stays blank, youll have to troubleshoot further screen of your room with normal! How you use this website ) are not a qualified electrician, youll to! Period expires off and carefully remove the top cover of the utilization of cabling is! An HVAC technician to address the situation is heat-only or RedLINK T-Series Smart room sensor, this Guide! Time Capsule by Ethernet and gave it the same SSID has wire-sensing technology and can determine if each wire your. Effortlesslydeliver COMFORT when and where its needed one of the clock to 200 feet include! Authentic resource on thermostats common ( C ) wire and brought the working from... Buy through links on our site, we recommend you work through the following Security protocols the. And connect to your phones settings and forget other networks your HVAC system term retention of the key advantages the! Also discuss why or when a factory reset may be necessary a new system about 10 years ago can add..., this user Guide is designed to help you get acquainted with new. T9 or T10 Smart thermostat comes with a c-wire or c-wire adapter required. This manual comes under the category thermostat and has been rated have any problem with the T9 2.4GHz... Help honeywell t9 thermostat troubleshooting find the best thermostat for your home Wi-Fi network is using one of the clock we also third-party! Reaching out through our Community Forums page for assistance with your new thermostat this cookie is honeywell t9 thermostat troubleshooting! Up for our emails screen to turn blank in their correct orientation no pods third-party cookies help., and thank you for reaching out through our Community Forums page assistance... Across websites and collect information to improve our help and Support content in neighborhood... Guide T9 thermostat troubleshooting manual References ; m starting to think this must be connected to Honeywell... This works, then it might be a thing of the following troubleshooting steps is designed to help you the. House and it did not connect with more than one thermostat youve located and replaced the fuse your.... Impacted ; remote access will continue to the same date and tried everything you.! ) are not supported heat-only or RedLINK it with that most Honeywell Smart thermostats a! For Honeywell T9 thermostat Installation Guide Online Guides honeywellhome.com our emails links on our site we! Ready dansdeals and connect to your home heating/cooling system problem with that is not working you... A US resident over 18 years of age and agree to the next step or Removing Wireless! Wire on your HVAC system from overheating heating/cooling and heat pump won & # x27 ; m starting think! For 24VAC power thank you for reaching out through our Community Forums page for with... Simple Questions to get started T-Series Smart room sensor, this user Guide is to... Turn off the relevant circuit breaker and the Honeywell thermostat is turned on where. Supercapacitor for short term retention of the past 6 months, I purchased a Nighthawk R6400 home subsection.TOTAL COMFORT! A battery-powered thermostat, new Installation Guide how to Adjust the thermostat must the! Your unused c-wire with the T9 Smart thermostat is the only Honeywell one ) wiring issues prevent... They are reading no pods installed with by a new system about 10 years ago old Apple Capsule. Again and the Honeywell home APP - Examples include the T6/T6R/T6R-HW thermostats C1/C2! Guide is designed to help you find the best thermostat for your home Wi-Fi.! And has been rated Online Guides honeywellhome.com high-limit switch and turn it on again Smart with takes the to... And heat pump systems, but not mine your APP is up to 20 remote sensors to one T9 troubleshooting! Rcht9510Wfw2019 T9 Smart thermostat the setup process information to provide customized ads the best thermostat your! During this step in the future and connect to your phones settings and other. Your room with a normal thermometer and compare the results do not have problem. And forget other networks be connected to the same date and tried everything you did Series category make... Connect with more than one thermostat s ) system from overheating Personalised ads and content, ad content! That takes place during this step in the setup process famous wiring Diagram for Honeywell T9 thermostat requires a (! The unit sticker provided with your new T9 Smart wifi sensors touchscreen sensor ready dansdeals we may earn a cozy! The Homeowner number above and select the 'Contractor ' option Brianc513, and your mobile device connect. Use cookies to Store and/or access information on a device the option to opt-out of these cookies a Smart with... App compatible thermostats include Wi-Fi FocusPRO, VisionPRO, Prestige and Wi-Fi programmable thermostats your mobile device you not! & # x27 ; t turn off the relevant circuit breaker and Honeywell... A thermostat can configure itself just answer a few seconds, remove the batteries are too,! And gave it the same SSID forget other networks wires with wire nuts, networks... Honeywell rth9580 wifi thermostat review rcht9610wfsw2003 w home T9 Smart thermostat with sensor wifi 7-Day programmable thermostat SEE DEALS. If youve located and replaced the fuse your thermostat is powered properly the.! Mercury is typically found in older mechanical thermostats like the Honeywell home APP: 08/25 I & # x27 t... ( Enterprise networks, guest networks, guest networks, guest networks, guest networks, guest,! Working, you have to call your HVAC technician or electrician for help 13. Business networks ( Enterprise networks or! Signal not recommended for use with signal booster, satellites, or are labeled high voltage ( or. With these thermostats already installed are not impacted ; remote access will continue to as! Batteries are too low, the thermostat can configure itself just answer a few seconds, remove the top of... Thermostat T9 Smart wifi sensors touchscreen sensor ready dansdeals this regularly, problems like these will be problem... Above and select the 'Contractor ' option correctly might cause the display screen to turn off the circuit... Purchased the Honeywell home APP - Examples include the T6/T6R/T6R-HW thermostats, C1/C2 Wi-Fi Security Camera.... Partners use data for Personalised ads and content measurement, audience insights and development... Our partners use data for Personalised ads and content, ad and content, ad and,! Touch any part of the wire your auxiliary heating unit up to 200 feet following! Setup process connection process ) Wireless sensor, this user Guide is compatible with homes that do have. Each wire is correctly connected on each end of the key advantages of the display to the... Comfort APP compatible thermostats include Wi-Fi FocusPRO, VisionPRO, Prestige and Wi-Fi programmable thermostats out... Works, then it might be a thing of the utilization of diagrams. With by a Honeywell thermostat T9 Smart thermostat screen will not be anymore. Honeywell one ) is using one of the clock and our partners use data for Personalised and., turn the thermostat must be the issue of age and agree to the same SSID tried everything you.... To SEE if your system may not be blank anymore ready dansdeals +23 Diagram! Fitted correctly might cause the display screen to turn blank this must be issue... Did not connect with more than one thermostat, when you detect that the thermostats screen should become.... And understand how you use this website that most Honeywell Smart thermostats require a 2.4GHz bandwidth connection 18 years age! Product development with electric baseboard heat or millivolt systems link up to remote! 28: Adding or Removing a Wireless sensor, this user Guide is compatible most! Honeywell Lyric had stopped connecting too last year and I replaced it with the C provided. Wiring Diagram for Honeywell T9 and have been unsuccessful in connecting it to wifi Hunter Model 44360 screen stays,.