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RTH3100C
15
Setup
6
5
Function
number
Setting
To begin, press and hold the s and t
buttons until the display changes.
Press t to change settings.
Press s to advance to next function.
Press and hold ts to exit and save settings.
Next, you must set the thermostat to control the heating and cooling system in your
home. Press and hold the s and t buttons to enter system setup.
System setup (set thermostat to match your system)