How does the T9/10 differ from other brands’ smart thermostats with sensors?

Not all sensors are created equal; the new T-Series smart room sensors have a thermostat-to-sensor range up to 200 feet.

The T9/T10 smart room sensors monitor motion/people detection in rooms, enabling the thermostat to automatically adjust the temperature when a room becomes occupied, which isn’t available in all other comparable products. This is important because the thermostat knows which room to prioritize when.

The one-touch priority adjustments on the thermostat, Honeywell Home App, or with a voice assistant (Google Assistant or Amazon Alexa) flex with your life.

The Smart Thermostat’s intuitive touch display allows you to scroll menus right on the thermostat, personalizing your controls, and is very similar to the mobile app experience.

The T9 Smart Thermostat is has wire-sensing technology and can determine if each wire is correctly connected on each end of the wire.

The thermostat can configure itself – just answer a few simple questions to get started. The included C-Wire adapter provides compatibility in homes that don’t have a C-Wire present at the thermostat, so it’s compatible with most homes.

What does the new T9 and T10 Smart Thermostat consist of?

The product features a Smart Thermostat, wireless smart room sensors and the Honeywell Home app. You can purchase the thermostat and sensors separately or bundled. Together, they effortlessly deliver comfort when and where it’s needed. The T-Series smart thermostats connect to the smart room sensors via a proprietary 900 MHz wireless radio that can connect to the thermostat up to a 200 foot range providing a reliable connection to monitor temperature and humidity.

Do I need a c-wire to install the T9 Smart Thermostat?

No, the T9 Smart Thermostat comes with a c-wire adapter so it’s compatible with homes that do not have a c-wire.

What’s the difference between the T9 Smart Thermostat and the T10 Pro Smart Thermostat?

The T10 Pro is sold through our professional HVAC installers. It offers additional controls that enable HVAC contractors to tailor the thermostat to your specific equipment’s capabilities. The T10 also offers the ability to control humidifiers, dehumidifiers and ventilation. It’s installed by a professional and gives the installer a broader range of installation options to synchronize all those indoor air quality devices.

Which smart home apps are compatible with the T9 Smart Thermostat and T10 Pro Smart Thermostat?

Currently only Amazon Alexa and Google Assistant can view and control both the thermostat and sensors.
HomeKit, IFTTT, SmartThings and Cortana will allow you to change setpoints on your thermostat, but cannot view the sensor readings at this time.

How many sensors can I add to my T9 or T10 Smart Thermostat?

You can add up to 20 smart sensors.

Why does my T9/T10 Thermostat fail to power on?

Check your wiring to see if you have a C-wire. If you do not see a wire in the C terminal, refer to your Installation Guide / C-Wire Adaptor Guide to install using the c-wire adapter. Then, reset your thermostat by either gently pulling it off the wall near the base of the thermostat, allowing for one minute to pass, then placing it back on the wall, or by turning the service switch on your furnace/AC system off for 30 seconds. The device should recover within about 10 minutes.

Do the smart room sensors work with other Honeywell Home thermostats?

Smart Room Sensors work only with the T9 and T10 Smart Thermostats.

What does room prioritization mean and how does it work using the T9/T10 thermostat?

You can select which rooms/smart room sensors you want your thermostat to focus on (which rooms it should measure). For example, during nap time, you may want the nursery room prioritized so the baby sleeps at the ideal temperature. In this case, you can set the priority via a simple voice command; or those rooms are prioritized when people are detected in them. You can even select multiple rooms to be prioritized, like all 3 of the bedrooms, and the thermostat will heat or cool the home based on an average of those rooms.

What is the difference between T9/T10 Pro Smart Room Sensors and a zoned HVAC system?

The T9 and T10 Pro Smart Thermostat uses up to 20 wireless sensors to read temperatures in multiple rooms of your home. Based on your preferences, the thermostat can read from, and average, these multiple sensors and the thermostat. 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. In this way, the T9 and T10 Smart Thermostats work with the sensors to make you feel closer to your desired temperature, wherever you are in the home.

While the T9 and T10 thermostat can better fine-tune your comfort in your home, it’s important to distinguish that no thermostat alone, regardless of sensors, can maintain separate temperatures in different rooms without air dampers or smart vents. Honeywell Home provides a true zoning solution that can be purchased through a professional contractor.

For homes that already utilize a zoning solution, such as a zone control board or duct dampers, Smart Room Sensors can still help further increase comfort and savings by providing a more accurate reading of the temperature in each zone. A T9 or T10 Smart Thermostat would be required for each zone being controlled, and each thermostat will require its own sensors, based on your desired level of control. Smart Room Sensors cannot connect with more than one thermostat.

If you have any questions about whether or not the T9 and T10 Smart Thermostat is the best option for your home, you can contact our support team or find a local pro.

For additional support content, please view our dedicated resources and support page for the Honeywell Home T9 Smart Thermostat, T10 Pro Smart Thermostat and Smart Room Sensors. You will be able to view Frequently Asked Questions (FAQs), Support Videos, Product Guides & Manuals, Phone Support and more.

Why is my thermostat’s Wi-Fi not working?

If your thermostat’s Wi-Fi isn’t working, the solution depends on what you’re experiencing.

What are you experiencing?

NEW THERMOSTAT, NEW INSTALLATION – This is for people who recently bought a new thermostat and are installing it for the first time. Continue to the New Thermostat, New Installation section.
OLD THERMOSTAT, NEW INSTALLATION – This is for people who have an existing thermostat but are moving it to a new location. 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. Continue to the Lost Wi-Fi on App/Thermostat section.
New Thermostat, New Installation

1. Which app does your thermostat work with?

HONEYWELL HOME APP – Compatible thermostats include T-Series and Round Smart Thermostats. Continue to the Honeywell Home subsection.
TOTAL CONNECT COMFORT APP – Compatible thermostats include Wi-Fi FocusPRO, VisionPRO, Prestige and Wi-Fi programmable thermostats. Continue to the TCC subsection.
Honeywell Home

2. When did your Wi-Fi connection fail?

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

3. Make sure your app is up to date, and your mobile phone is within 3-5 feet of your thermostat.

4. Make sure thermostat is broadcasting to your app.

In your app, you should see “Lyric XXXXXX” as an option to connect to.

5. Go to your phone’s settings and forget other networks. (This ensures the phone does not automatically “jump” back to a known wi-fi network, which can disrupt the connection process)

6. Is your app pairing with your thermostat now?

YES – Congratulations! You’ve fixed your Wi-Fi issue!
NO – Contact Support at 1-800-633-3991 or find a pro-installer in your area.
Thermostat-Network Pairing Issues

7. Turn off your mobile phone’s cellular/mobile data. (This ensures that the connection and registration app data goes to Honeywell / Resideo via the same route as thermostat data)

8. Turn on your mobile phone’s Wi-Fi.

Connect your phone to the same network that you’re connecting your thermostat to. (Typically, your home wi-fi network. If you are attempting to connect /register the thermostat via a mobile hotspot, your mobile phone and thermostat should connect to the same hotspot network)

9. Make sure the device you are connecting is on the same Wi-Fi network as the mobile device.

“Forget” all other networks, and turn off mobile data.
OR
Turn on “Airplane Mode” and then turn on Wi-Fi and connect to the same Wi-Fi network the thermostat will be connected to.
10. 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.

11. Make sure you’re connecting to a 2.4 gigahertz (GHz) network with its own network name. (Only the T9/T10 thermostats, C2 Camera, and Smart Home Security base station are compatible with 5GHz networks at this time)

This specifically speaks to “Dual Band” routers which support both 2.4 GHz and 5 GHz networks.
Many of these routers will allow you to configure separate Networks to connect to on your phone or computer.
These networks must be named discretely (HomeWiFi – 2.4 and HomeWiFi – 5) in order for Honeywell Home products to connect.
12. Make sure you’re connecting directly to a router, and not a router accessory.

Examples of router accessories include repeaters and signal boosters.

13. Make sure your router hasn’t reached its max number of devices.

Routers typically can only handle a specific number of devices. Refer to your router support or Internet Service Provider for assistance.

14. Make sure your router is using Dynamic Host Configuration Protocol (DHCP).

When a router is using DHCP, it automatically assigns internet protocol (IP) addresses to each device. Honeywell connected devices work best with DHCP.

15. Make sure your router isn’t using any advanced security settings such as after-market firewalls, or connected to any network device, such as a switch or gateway which may have its own security.

Make sure Wi-Fi network is using one of the following security protocols. Other security protocols are not recommended. • OPEN • WEP PSK • WPA TKIP PSK • WPA2 AES PSK • WPA2 MIXED PSK.

16. Reset your thermostat.

Power cycle the device for 30 seconds or perform a hard reset by pressing and holding the reset button for 30 seconds. This clears short term memory. Power cycle the router for 30 seconds. This clears short term memory and resets router tasks.

Is your network pairing with your thermostat now?

YES – Congratulations! You’ve fixed your Wi-Fi issue!
NO – Contact Support at 1-800-633-3991 or find a pro-installer in your area.
TCC

17. When did your Wi-Fi connection fail?

THERMOSTAT SET UP (Attempting to connect to my home wi-fi network) – Continue to the Thermostat Set Up subsection.
ONLINE REGISTRATION (Attempting to register the thermostat via the mytotalconnectcomfort.com web portal) – See the Registration Issues FAQ.
Thermostat Set Up

18. Go to your phone’s settings and forget other networks. (This ensures the phone does not automatically “jump” back to a known wi-fi network, which can disrupt the connection process)

19. Continue to the Thermostat-Network Pairing Issues subsection.

Old Thermostat, New Installation

20. Which app does your thermostat work with?

HONEYWELL HOME APP – Examples include the Lyric thermostats.
Continue to the Honeywell Homes subsection.
TOTAL CONNECT COMFORT APP – Compatible thermostats include Wi-Fi FocusPRO, VisionPRO, Prestige, and Wi-Fi programmable thermostats.
Continue to the TCC subsection.
Lost Wi-Fi on App/Thermostat

21. Have you recently changed your router or internet provider?

YES – Continue to the Thermostat-Network Pairing Issues subsection.
NO – Continue to the next step.
Go to your thermostat.

22. Is the thermostat showing offline?

YES – Reset your Wi-Fi on your router.
Continue to the next step.
NO – Continue to Step 26.
23. Is your thermostat still offline?

YES – The thermostat is still offline.
Contact Support at 1-855-733-5465 to find a pro-installer in your area.
NO – The thermostat is now online.
Continue to the next step.
24. Check your app: is the thermostat showing offline in your app?

YES – Your thermostat is online, but your app is showing that the thermostat is offline.
Contact Support at 1-855-733-5465 to find a pro-installer in your area.
NO – Continue to the next step.
25. Can you do anything in your app?

Try changing the temperature or anything.

YES – Congratulations! You’ve fixed your Wi-Fi issue!
NO – Restart the app, and then try again.
If that fails, update or reinstall your app, and then Continue to the next step.
26. Can you do anything in your app now?

Try changing the temperature or anything.

YES – Congratulations! You’ve fixed your Wi-Fi issue!
NO – Contact Support at 1-855-733-5465 to find a pro-installer in your area.

Can I lock my thermostat so that no one can change the settings?

Varies by model. Refer to your thermostat manual for the Screen Lock feature.

The T9/T10, T5/T6, RTH9580WF, the RTH9585WF, and the TH9320WF (WiFi Color Touchscreen) all have a screen lock feature.

Keep in mind that the screen lock feature only blocks changes on the thermostat screen itself. 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.

Why is my thermostat showing up as offline?

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. Reattach the face plate.

Turn off mobile/ cellular data on your mobile device and connect to your home Wi-Fi network. “Forget” any other Wi-Fi networks in range. (Turning on Airplane mode is also an option)

Some Android phones have an updated security feature that may not allow your phone to connect to “unsecured” Wi-Fi networks. Temporarily disable this feature via Settings – Network & Internet – Wi-Fi – Wi-Fi Preferences on your mobile device.

Attempt to connect and register the thermostat to a mobile hotspot. This allows the registration data to bypass any network security that may be causing the connection failure. Once successfully registered, a Wi-Fi Reset can be performed to move the thermostat to the home Wi-Fi network.

Advanced Steps:

If you experience inability to connect, failure to register, or frequent Wi-Fi signal loss, verify the following:

*You may need assistance from your Internet Service Provider to verify/ change some settings*

  • Setup a 2.4GHz Bandwidth Only network with separate SSID (Not compatible with 5GHz networks. Simultaneous 2.4 and 5GHz networks that share a name or SSID are not recommended and can cause thermostat to lose connectivity). * The T9/T10 thermostats are capable of communicating on a 5Ghz wi-fi network – all other models currently only operate on the 2.4GHz bandwidth*
  • Connect directly to the router signal – Not recommended for use with signal booster, satellites, or extenders.
  • Business Networks (Enterprise networks, guest networks, or networks that require logging in via a web page/portal) are not supported.
  • Gateways or Network switches can block some traffic to Honeywell / Resideo and are not supported.
  • Recommended WPA2-AES Network Security Protocol
  • DHCP Enabled – Static networks not supported
  • UPnP / P2P Enabled
  • Band-Steering Disabled

*”Not Supported” refers to network configurations that may be compatible, but cannot be successfully supported by Resideo Customer Care. “Incompatible” refers to networks / configurations that the thermostat is incapable of communicating with.*

Does the T9/T10 thermostat have any learning capabilities?

Yes, it has “Smart Response” and “Adaptive Recovery,” which learns how long it takes the home to heat or cool itself. For example, if you want your bedroom set to 70 degrees when you wake up at 6 am, the system knows it takes 30 minutes to heat your home, so the furnace will start heating at 5:30 am. Likewise, if you want a cool bedroom, 65 degrees, at 10 pm, the system takes in to account how long it typically takes your home to reach that point.

Specifications

T9 Smart Thermostat with Sensor

Thermostat TypeProgrammable, Communicating
WiFi Specifications802.11b, 802.11g, 802.11n, 2.4GHz range, 5GHz range
ColorWhite
For Use WithHoneywell Home T9 Smart Room Sensor
IncludesThermostat, Installation guide, UWP wall plate, Wireless sensor, Screws, Anchors, Wire labels, C-Wire adapter
Program Modes7-Day Programmable
Utility RewardsYes
Display TypeTouch Screen
Power SupplyHard-wired
Product Height4.92 in
Product Length3.7 in
Product Width0.94 in
Warranty2 Years
Control FunctionsHeating, Cooling
Alerts and RemindersFilter Change 1, Filter Change 2, EAC Cell, EAC Pre-filter, EAC Post-filter, Vent Core, Vent Filter, UV Bulb 1, UV Bulb 2, Dehumidifier Filter, Humidifier Pad (through app), Humidifier Clean Tank
Energy Star CertifiedYes

Downloads

User Guide [pdf]: T9 Smart thermostat with Smart Room sensor

Installation Guide [pdf]: T9 Smart Thermostat Installation Guide

Documents / Resources

Honeywell T9 Smart Thermostat [pdf] Installation Guide
T9, RCHT9510WFW2001, RCHT9510WFW2017, RCHT9610WFSW2003, RCHT9610WFSW2019, 33-00421ES-05, Thermostat

Read more: https://manuals.plus/honeywell/t9-smart-thermostat-with-sensor#ixzz7f6EIFjdW

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