Furnace Filter Reminder - Honeywell RTH8500 Operating Manual

Furnace filter reminder

Press RESET after changing filter.
WED
CHANGE FILTER
FAN 70
Inside
AUTO
SYSTEM
RESET
HEAT
6:00
PM
SCHED HOLD CLOCK SCREEN
Press MORE to change reminder interval.
Filter
55
Set To
MORE
60
Days
DONE
If activated during installation, the furnace filter
reminder alerts you when it is time to replace
your filter.
Press RESET after changing the filter, to restart
the timer.
To change the reminder interval:
1. Press MORE, then EDIT.
2. Press or
s t
then press DONE.
3. Press RESET.
4. Press DONE to save and exit.
17
to select the desired interval,
RTH8500
69-1901EF—02