Operating Manual
System setting
Press SYSTEM & FAN
System & Fan
Schedule
Press SYSTEM to select mode,
then press DONE
System
Fan Auto
Heat
System
Fan
69-2453ES—03
Clock & Mode
M27527
Done
M27529
Follow steps at left to select system:
• Heat: Thermostat controls only the heating
system.
• Cool: Thermostat controls only the cooling
system.
• Auto: Thermostat automatically selects heating
or cooling depending on the indoor temperature.
• Off: All systems are off.
• Em Heat (only for heat pumps with auxiliary
heat): Thermostat controls Emergency and
Auxiliary Heat. Compressor is locked out.
Note: The Auto and Em Heat system settings may not
appear, depending on how your thermostat
was installed.
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