User Guide
52 
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.










