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Pub. No. 22-5128-02
69-1216
Setting System and Fan
The system default setting is Heat and the fan default setting is Auto. Use the System and Fan keys to change the
settings. The fan settings can be set for each schedule period individually. The system selection is for all the
schedule periods.
Set System
Press System until the desired system displays (Em.
Heat, Heat, Off, Cool, or Auto).
Em. Heat: The thermostat controls only the backup
heat. The heat pump is off.
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
Auto: The thermostat automatically changes
between heating and cooling operation, depend-
ing on the indoor temperature.
M17055
Auto
Fan
On
System
Fan
Set Fan
Press Fan until the desired mode displays (On or Auto).
On: Fan operates continuously.
Auto: Fan operates only when heating or cooling.
M13303
System
Heat
Off
Auto
Cool
Em Heat