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