Furnace Filter; Clock Format - Honeywell RTH8500 Series Quick Installation Manual

Advanced Installation Guide
System setup About your new thermostat
See page 14 to navigate between functions.
Function
0500

Furnace Filter

Change
Reminder
0530 Smart
Response
Technology
0640

Clock Format

Press DONE
69-2219EF—03
Settings & Options
Press
reminder interval:
0 Off (no reminder)
1 Reminder after 10-day run time
(about 1 month)
2 Reminder after 30-day run time
(about 3 months)
3 Reminder after 60-day run time
(about 6 months)
4 Reminder after 90-day run time
(about 9 months)
5 Reminder after 120-day run
time (about 1 year)
6 Reminder after 365-day run
time (about 3 years)
Press
®
off (see Operating Manual for more
information about this feature):
1 On
0 Off
Press
format:
12 12-hour clock (i.e., "3:30 pm")
24 24-hour clock (i.e., "15:30")
to save and exit setup.
to set the desired
s/t
to turn this feature on or
s/t
to set the clock display
s/t
20