Operating Manual
Select the system setting
About your new thermostat
Fan
Set Clock/Day/
Auto
Schedule
Fan
Set Clock/Day/
Auto
Schedule
Note: The Auto and
system settings may not
appear, depending on how your
thermostat was installed.
69-1921EFS—03
Press the SYSTEM button to select:
System
Heat
System
Cool
MCR29461
Heat: Thermostat controls only the
heating system.
Cool: Thermostat controls only the
cooling system.
Off: Heating and cooling systems are off.
Auto: Thermostat automatically selects
heating or cooling depending on the
indoor temperature.
Em Heat (only for heat pumps with
Compressor is locked out.
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