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PROGRAMMING
Enter Heating Program
1. Move the SYSTEM switch to HEAT.
2. Press PRGM once. “Mo Tu We Th Fr” (indicating weekday
program) will appear in the display. Also displayed are the
currently programmed start time for the 1st heating period
and the currently programmed temperature (fl ashing).
EXAMPLE:
This display window shows that for the 1st weekday
period, the start time is 6:00 AM, and 70° is the
programmed temperature (this example refl ects factory
preprogramming).
3. Press
or to change the displayed temperature
to your selected temperature for the 1st heating program
period.
4. Press TIME once (the programmed time will fl ash). Press
or until your selected time appears. The time will
change in 15 minute increments. When your selected time
is displayed, press TIME again to return to the change
temperature mode.
5. Press PRGM once. The currently programmed start time
and setpoint temperature for the 2nd heating program
period will appear.
6. Repeat steps 3 and 4 to select the start time and heating
temperature for the 2nd heating program period.
7. Repeat steps 3 through 5 for the 3rd and 4th heating
program periods.
8. Press PRGM once. “SA” (indicating Saturday program)
will appear in the display, along with the start time for
the 1st heating period and the currently programmed
temperature.
9. Repeat steps 3 through 7 to complete Saturday heating
programming.
10. Press PRGM once to change to SU (Sunday) heating
programming and repeat steps 3 through 7 to complete
Sunday programming.
11. When you have completed entering your heating program,
press RUN/HOLD.
Enter Cooling Program
1. Move SYSTEM switch to COOL position.
2. Follow Enter Heating Program for entering your cooling
program, using your selected cooling times and
temperature.
CHECK YOUR PROGRAMMING
Follow these steps to check your thermostat programming one
fi nal time before beginning thermostat operation.
1. Move SYSTEM switch to HEAT position.
2. Press PRGM to view the 1st weekday heating period time
and temperature. Each time you press PRGM, the next
heating period time and temperature will be displayed in
sequence for weekday, then Saturday and Sunday program
periods (you may change any time or temperature during
this procedure).
3. Press RUN/HOLD.
4. Move SYSTEM switch to COOL position.
5. Repeat step 2 to check cooling program.
6. Move SYSTEM switch to HEAT or COOL and press RUN/
HOLD to begin program operation.
YOUR THERMOSTAT IS NOW PROGRAMMED AND READY TO
PROVIDE MAXIMUM COMFORT AND EFFICIENCY!
CAUTION
!
If the outside temperature is below 50
o
F, disconnect
power to the cooling system before programming.
Energizing the air conditioner compressor during
cold weather may cause personal injury or property
damage.