Select the fan setting
Fan
Set Clock/Day/
Auto
Schedule
Fan
Set Clock/Day/
Schedule
System
Heat
M28405
System
On
Heat
M28406
RTH6350/RTH6450/RET93E0/RET95E0 Series
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.
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69-2415ES—07