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Settings
Setting FAN and SYSTEM Switches
Fan and system settings are controlled by using FAN and
SYSTEM switches located on the bottom of the thermostat
case.
First set the FAN switch (not available on all models):
Auto: Normal setting for most homes. In heating, the
fan may start a few minutes after the heating
equipment comes on.
On: The fan runs continuously. Use for improved air
circulation and air quality.
FAN
Auto On
FAN
SWITCH
M10273