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Summary of Contents for Emerson SENSI TOUCH 2 1F96U-42WF Series
- Page 1 SENSI TOUCH 2 SMART THERMOSTAT Installation guide Models: 1F96U-42WF series, ST76 series ©2022 Emerson Electric Co. All rights reserved Version: August 2022 R-5556...
- Page 2 DOWNLOADING THE APP AND CREATING AN ACCOUNT YOU WILL NEED Gather this information before you begin installation for a smoother walk through. - Wi-Fi Network Name/SSID (Make sure this is a 2.4GHz network) - Wi-Fi Network Password - Screwdriver - Hardware in Sensi Touch 2 Smart Thermostat packaging DOWNLOAD THE SENSI APP The Sensi Touch 2 Smart Thermostat is a Wi-Fi enabled device.
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Page 3: Installation
INSTALLING THE SENSI THERMOSTAT STEP 1 Add your thermostat to the Sensi app INSTALLATION Once you have downloaded the Sensi app and have created an account, you are ready to install the thermostat to your wall and connect it to Wi-Fi. If there plus (+) sign are no registered thermostats, tap the to add a thermostat. -
Page 4: Installing The Sensi Thermostat
Choose the terminal labels that have wires attached to them on your old thermostat. The app will tell you if you have a valid configuration. If you are getting an invalid configuration message you can learn more about compatibility at sensi.emerson.com/system. Sensi Touch 2 requires a c-wire. For more information, visit sensi.emerson.com/en-us/support/c-wire. - Page 5 INSTALLING THE SENSI THERMOSTAT FURNACE TYPE Select what type of system you have. LABEL YOUR WIRES Before you disconnect your wires, label your wires using the label stickers provided one wire at a time. . DISCONNECT WIRES AND REMOVE BASE After all of your wires are labeled, remove the old thermostat base from the wall.
- Page 6 INSTALLING THE SENSI THERMOSTAT STEP 5b – IS CURRENTLY MOUNTED Identify the wires already installed to correctly configure the thermostat for your system type TURN OFF POWER Turn off power to your heating and air conditioning system before handling your thermostat wires. REMOVE THERMOSTAT COVER Grab the thermostat with both hands and pull straight toward you.
- Page 7 INSTALLING THE SENSI THERMOSTAT WI-FI SETUP Menu On the thermostat, press in the top left Wi-Fi. Tap Connect. corner and then SCAN QR CODE In the app, scan the QR code on your Sensi Touch 2 screen. Bluetooth technology will help you connect to Wi-Fi. This will require Bluetooth permissions on your phone.
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Page 8: Troubleshooting
If you replaced your router or changed your Wi-Fi network password, you will need to reconnect your thermostat to Wi-Fi. This process is different depending on what smart device you are using. Please see our support article for more information on how to reconnect. sensi.emerson.com/en-us/support/reconnecting-sensi-thermostat-to-wifi Sensi Touch 2 Smart Thermostat | INSTALLATION GUIDE... - Page 9 Sensi requires a c-wire. If you don’t have a wire in the “C” terminal, check out our c-wire videos for DIY installation at sensi.emerson.com/en-us/c-wire. If you are installing Sensi to a heat-only system, you may be able to install an external transformer. Learn more about that option by searching “external transformer”...
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Page 10: Forgot Password
AC1/AC2/HP1/ equipment, as well as HP2/None to properly configure your thermostat here: the number of stages. Set this to AC1 for sensi.emerson.com/en-us/support/how- single-stage systems or HP1 or HP2 for single or do-i-configure-my-thermostat multi-stage heat pumps Accessing your Sensi thermostat Indoor Equipment... -
Page 11: Technical Support
NOTES Installing multiple thermostats 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. Accessing account information You can use the Account area to access your email preferences and change your account information and the email address associated with your Sensi. -
Page 12: Heat Pump Systems
NOTES CONVENTIONAL SINGLE STAGE OR MULTI STAGE SYSTEMS NO HEAT PUMP Thermostat † System configuration Dots indicate Dots indicate phased phased relationship relationship NEUTRAL NEUTRAL 24 VAC 120 VAC 120 VAC 24 VAC NEUTRAL NEUTRAL Heating transformer Cooling transformer Two transformers systems (separate RC and RH wires), clip internal RC/RH jumper, located on back of thermostat. †... - Page 13 NOTES ACCESSORY DEVICE Accessory Thermostat 2-Wire accessory Wire 1 ACC+ Device has it’s own power source to turn the unit on. Set switch on the back of Wire 2 ACC- the thermostat to “Accessory.” Accessory Thermostat 1-Wire accessory ACC+ Device pulls power from the HVAC system.
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