Operating Manual
To adjust program schedules (RTH6450 only)
About your new thermostat
Fan
Set Clock/Day/
Auto
Schedule
Done
Set Day
Set Schedule
8 : 00
Leave
Mon Tue Wed Thu Fri
Done
CancelPeriod
69-2415ES—03
System
Heat
Set Schedule
Heat
Setting
62
AM
Note: Make sure the thermostat is set to the system
you want to program (Heat or Cool).
Next
Note: You can press CANCEL PERIOD to eliminate
unwanted time periods (except Wake).
M28409
1. Press SET CLOCK/DAY/SCHEDULE, then SET
SCHEDULE.
2. Press
or
s
t
time (Mon–Fri), then press NEXT.
3. Press
or
s
t
time period, then press NEXT.
4. Set time and temperature for the next time
period (Leave). Repeat steps 2 and 3 for each
weekday time period.
5. Press NEXT to set Saturday time periods.
6. Press NEXT to set Sunday time periods, then
press DONE to save & exit.
12
to set your weekday Wake
to set the temperature for this