Press Mode repeatedly until the word Done appears. Use the up or down arrow button to change this to 0. Look at the number in the upper, right-hand corner. Next, press and hold the Mode and Up Arrow buttons for 3 seconds until the screen changes to 00. On an 8810, set the thermostat to Off mode.Follow the steps to switch to Aprilaire Cloud. To work with the Aprilaire app, the internal setting that controls this needs to be switched to Aprilaire Cloud. Your app will then display the thermostat control screen.īy default, these thermostats are configured to work with most home automation systems. To unregister, follow the steps in the owner’s manual as though you were Clearing the Router Settings above, but choose the option to Unregister the Thermostat instead.If the previous homeowner did not remove the thermostat from their user account, when you press Done in the last step of this process (Add Thermostat screen), you will get a warning that says ‘A thermostat with this MAC ID has already been registered.’ If this happens, you will need to unregister the thermostat from their account before continuing.Continue and complete the section titled ‘ADD THERMOSTAT TO USER ACCOUNT’ in the Quick Start Guide.Select the Quick Start Guide for your device and follow the instructions in the 'Connect your Wi-Fi Thermostat to Your Home Network' section. If you do not know your thermostat model number, find it here. (All of the above links are the Clearing Router Settings sections of manuals.) If you know your thermostat model number, follow the directions for Clearing the Router Setting in your owner’s manual, or find the directions below.

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