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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.
EMER (heat pumps with aux. heat):
Controls auxiliary/emergency heat when compressor is locked out.
Note: The AUTO and EMER system settings may not ap pear, depending on how your
thermostat was installed.
Note: When under auto mode press
key to switch temperature settings between heating
and cooling.
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