RTH2300/RTH221
11 69-2448ES—03
About your new thermostat
WIRING ASSISTANCE TROUBLESHOOTING
System setup
Follow the procedure below to personalize and con-
figure the thermostat according to the heating/cooling
system.
Press and hold the 1. s and t buttons simultaneously
(for three seconds) until the display appears as
shown below.
Function number
Option number
Press the 2. s or t button to change the option.
Press the 3. s and t buttons simultaneously for one
second to advance to the next function.
When the last function is displayed, press the 4. s and
t buttons to save any changes and exit the menu.
NOTE: If you do not press any button for 60 seconds
while you are in the setup menu, the thermostat auto-
matically saves any changes made and exits the menu.
At any time you can save the changes and exit by
pressing the Run button.
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