Honeywell RTH8500 Series - Setting the Clock

Advanced Installation Guide
69 -2219 EF— 03 14
About your new thermostat
SETUPWIRINGASSISTANCETROUBLESHOOTING
NOTE: Some functions in the following pages
may not appear due to previous selections
made.
See pages 15–20 to change Function Settings.
Changing settings
Press s/t to
select function
Function Setting
Press s/t to
change setting
DONE
TUE
Inside
Set To
70
0120
70
20
FAN
AUTO
M28341
3. Press DONE to exit & save changes.