Honeywell TH9421 Owner's Manual - Page 8

Fan setting

Page 8 highlights

Operating Manual Fan setting WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule SCHED HOLD CLOCK SCREEN MORE Press FAN Note: If a fan schedule is programmed, "Auto" will run the fan schedule. Press FAN to select fan operation, then press DONE: • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on. • Circ: Fan runs randomly, about 35% of the time, not counting any run time with the heating or cooling system. You can press FAN to override the fan settings you've programmed for different time periods (see page 9). If you select On or Circ, the setting you select will remain active until you press FAN again to select Auto, and return to the fan schedule (see page 28 for more information). 69-1815EFS-06 6

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Operating Manual
69-1815EFS—06
6
Press
FAN
to select fan operation, then press
DONE
:
On:
Fan is always on.
Auto:
Fan runs only when the heating or
cooling system is on.
Circ:
Fan runs randomly, about 35% of the
time, not counting any run time with the
heating or cooling system.
You can press
FAN
to override the fan settings
you’ve programmed for different time periods
(see page 9). If you select
On or Circ, the
setting you select will remain active until you
press
FAN
again to select Auto, and return
to the fan schedule (see page 28 for more
information).
Note:
If a fan schedule is programmed,
“Auto” will run the fan schedule.
Press
FAN
SCHED
HOLD
CLOCK
SCREEN
MORE
WED
AM
SYSTEM
HEAT
Following
Schedule
Inside
Set To
70
6:01
70
FAN
AUTO
Fan setting