RTH6300B Programmable Thermostat
7 69-1925ES—03
Set
Clock/Day/
Schedule
Auto
Fan
System
Heat
Set
Clock/Day/
Schedule
On
Fan
System
Heat
Select the fan setting
Press the
FAN
button to select Auto or
On
.
In “Auto” mode (the most commonly used
setting), the fan runs only when the heating
or cooling system is on. If set to “On,” the
fan runs continuously. Use this setting for
improved air circulation, or for more efficient
air cleaning.