Honeywell FOCUSPRO TH5320R Operating Manual page 7

Select the fan setting
Fan System
Auto
System
Fan
On
Note: Options may vary
depending on your heating/
cooling equipment.
More
Heat
More
Heat
Press to select Auto or On.
FAN
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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