Honeywell RTH8500D Thermostat User Manual


 
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Set System Setting (Cont)
Set Fan Setting
Press the Fan button to select Auto or On:
Auto—Normal setting for most homes. The fan runs only
when the heating or cooling system is on.
On—The fan runs continuously. Use this setting for
improved air circulation or for more efficient air cleaning.
SCHED HOLD CLOCK SCREEN
THU
AM
FAN
AUTO
SYSTEM
HEAT
Following
Schedule
Inside
Set To
M22262