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Models: 1F76U-22WFB series, ST25 series
Version: February 2023
SENSI
LITE SMART THERMOSTAT
Installation guide
R-5664

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Summary of Contents for Sensi 1F76U-22WFB Series

  • Page 1 SENSI LITE SMART THERMOSTAT ™ Installation guide Models: 1F76U-22WFB series, ST25 series Version: February 2023 R-5664...
  • Page 2: You Will Need

    Scan the QR code to download the Sensi app CREATE AN ACCOUNT When you download the Sensi app, you will be prompted to create an account. This is required to access your thermostat remotely and use all the features Sensi offers. Use a valid email address and a password of your choosing to create an account.
  • Page 3: Installation

    This option walks you through a full step-by-step installation process. You will identify which wires are on your original thermostat, how to label them for Sensi, how to connect your wires and how to connect to Wi-Fi. If you did not have this thermostat professionally installed, choose this option.
  • Page 4: Installing The Sensi Thermostat

    Some covers pull off while others need to be released using a screwdriver. PHOTOGRAPH YOUR WIRING THIS IS IMPORTANT. The Sensi app will prompt you to take a picture of your existing thermostat and old wiring in case you need it later.
  • Page 5 Secure your new thermostat base to the wall and connect wires INSTALL SENSI BASE Use the mounting screws provided and secure the Sensi base to the wall. CONNECT THE WIRES Once the Sensi base is mounted and secured on the wall, insert the wires into the corresponding terminals, then tighten the screw.
  • Page 6 Pro Tip: Sensi is only compatible with 2.4GHz networks. If your network does not show up in the list, it is either hidden or not compatible with Sensi. NAME THERMOSTAT You can select a name or choose a custom name for your thermostat.
  • Page 7: Troubleshooting

    • Make sure Bluetooth is turned on in your phone settings and is allowed in the Sensi app permissions. • Make sure Location access is turned on in your phone settings and is allowed in the Sensi app permissions. • Try another smartphone or tablet. Simply download the Sensi app and sign into the app using the email address and password you used when you created your account.
  • Page 8: Forgot Password

    Rheem or Ruud, use the B terminal, which would energize in Heating. For three-wire When you log into your Sensi account with your email zone hydronic systems set this to 6. address and password, the app will be able to control...
  • Page 9: Technical Support

    If you are installing more than one thermostat, follow the same installation process in the Sensi app. Once you have one thermostat installed, open the Sensi app on your phone. At the main screen, press the + sign to add another thermostat to your account.
  • Page 10 ** Common connection required on heat-only, cool-only or heat pump systems. HEAT PUMP SYSTEMS Thermostat System configuration Dots indicate phased relationship NEUTRAL 24 VAC 120 VAC NEUTRAL *Common connection required on heat-only, cool-only or heat pump systems. Sensi Lite smart thermostat | INSTALLATION GUIDE...

This manual is also suitable for:

St25 seriesLite smart thermostat

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