Carrier Comfort Non-Programmable, Owner'S Manual

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16
Advanced Options
Changing from Fahrenheit to Celsius
Your thermostat is preset to display the temperature in degrees
Fahrenheit. You can change this to Celsius.
1. Press and hold the mode button for about three
seconds. The display will show
U1
and the letter
F
in the center.
2. Press the up or down button on the right to change it
from
F
(Fahrenheit) to
C
(Celsius).
3. Press the fan button on the left to exit this screen.