To change your thermostat from Fahrenheit to Celsius, you hold the two buttons down together simultaneously. You now go to a configuration that says 1, and you then push the UP button to make it 1 & 1. After that, you run the program and it changes the temperature unit to Celsius for you. If you have any questions, please contact us through our website.
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Video instructions and help with filling out and completing Why Form 2220 Toggle
