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Operating Manual
69-1921EFS—01 8
About your new thermostat
ENGLISH
Note: The Auto and EmHeat
system settings may not
appear, depending on how your
thermostat was installed.
Press the SYSTEM button to select:
• 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
auxiliary heat): Thermostat controls
EmergencyandAuxiliaryHeat.
Compressor is locked out.
Select the system setting
Set Clock/Day/
Schedule
Auto
FanSystem
Heat
Set Clock/Day/
Schedule
Auto
FanSystem
Cool
MCR29461