Selecting system mode
1Press SYSTEM to display options.
2Press SYSTEM again to select an option. You may need to press two or three times to make a
3Press DONE to save setting.
Possible system modes:
HEAT: Controls only the heating system.
COOL: Controls only the cooling system.
OFF: Heating/cooling systems are off.
AUTO: Selects heating or cooling depending on the indoor temperature.
EM HEAT (heat pumps with aux. heat):
Controls auxiliary/emergency heat.
Compressor is locked out.
Inside
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Note: The AUTO and EM HEAT system settings may not appear, depending on how your thermostat was installed.
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