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Pub. No. 12-5027-01
69-1615
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 (Heat, Off, Cool, or Auto).
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, depending on the indoor
temperature.
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.
M1458
5
Fan
On
Auto
M1458
4
System
Heat
Off
Coo
l
Auto