Electric furnace
Gas/oil steam
Gravity system
Continue with Advanced Installation to match your thermostat to your system type.
If you are not sure of your system type or if you have other questions, call us toll-free at 1-800-468-1502.
This thermostat works on 24 volt or 750 mV systems. It will NOT work on multistage conventional systems.
Advanced Installation
Enter System Setup
To enter system setup, press and hold both the s and t buttons until the display changes (approximately 5
seconds).
Changing Settings
1. Press the s or t button to change the setting.
2. Press the s and t buttons simultaneously for one second to advance to the next function.
3. Press the RUN button to exit and save settings.
NOTE: If you do not press any button for 60 seconds while you are in the setup menu, the thermostat
automatically saves any changes made and exits the menu.
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