Planning Your Program
Look at the factory preprogrammed times and temperatures shown in the sample schedule. If this program will suit your needs, simply press the RUN button to begin running the factory preset program.
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 (flashing).
MO TU WE TH FR
If you want to change the preprogrammed times and tempera- tures, follow these steps.
EXAMPLE:
AM
Determine the time periods and temperatures for your weekday and weekend programs. You must program four periods for both the weekday and weekend program. However, you may use the same heating and cooling temperatures for consecutive time periods. You can choose start times, heating tempera- tures, and cooling temperatures independently for both weekday and weekend programs (for example, you may select 5:00 AM and 70° as the weekday 1st period heating start time and temperature, and also choose 7:00 AM and 76° as the weekday 1st period cooling start time and temperature).
Use the following table to plan your program time periods and the temperatures you want during each period. Fill in the complete table to have a record of your programs.
Entering Your Program
Follow these steps to enter the heating and cooling programs you have selected.
Set Current Time and Day
1. Press TIME button once. The display will show the hour only.
EXAMPLE: 
PM
2.Press and hold either 
or 
until you reach the correct hour and AM/PM designation (AM begins at midnight; PM begins at noon).
3.Press TIME once. The display window will show the minutes only.
EXAMPLE:
4.Press and hold either 
or 
until you reach the correct minutes.
5.Press TIME once. The display will show the day of the week.
6.Press 
or 
until you reach the current day of the week.
7.Press RUN once. The display will show the correct time and room temperature alternately.
Enter Heating Program
1. Move the SYSTEM switch to HEAT.
SAMPLE
Heating/Cooling Schedule Plan (Factory Program)
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| WEEKDAY (5 DAY) | SATURDAY (1 DAY) | SUNDAY (1 DAY) | |||
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| 1ST | 6:00 AM | 70˚F | 6:00 AM | 70˚F | 6:00 AM | 70˚F |
HEAT |
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| 2ND | 8:00 AM | 62˚F | 8:00 AM | 62˚F | 8:00 AM | 62˚F | |
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| 3RD | 5:00 PM | 70˚F | 5:00 PM | 70˚F | 5:00 PM | 70˚F |
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| 4TH | 10:00 PM | 62˚F | 10:00 PM | 62˚F | 10:00 PM | 62˚F |
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| 1ST | 6:00 AM | 78˚F | 6:00 AM | 78˚F | 6:00 AM | 78˚F |
COOL |
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| 2ND | 8:00 AM | 85˚F | 8:00 AM | 85˚F | 8:00 AM | 85˚F | |
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| 3RD | 5:00 PM | 78˚F | 5:00 PM | 78˚F | 5:00 PM | 78˚F |
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| 4TH | 10:00 PM | 82˚F | 10:00 PM | 82˚F | 10:00 PM | 82˚F |
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This display window shows that for the 1st weekday period, the start time is 6:00 AM, and 68° is the programmed temperature (this example reflects 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 flash). 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. Weekday heating programs are now com- plete.
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. “SU” (indicating Sunday program) will appear in the display, along with the start time for the 1st heating period and the currently programmed temperature.
11.Repeat steps 3 through 7 to complete Sunday heating programming.
12.When you have completed entering your heating program, press RUN.
Enter Cooling Program
▲! CAUTION
If the outside temperature is below 50°F, disconnect power to the cooling system before programming. Energizing the air conditioner compressor during cold weather may cause personal injury or property damage.
1.Move SYSTEM switch to COOL position.
2.Follow the procedure for entering your cooling program, using your selected cooling times and temperatures.
Heating/Cooling Schedule Plan
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| WEEKDAY (5 DAY) | SATURDAY (1 DAY) | SUNDAY (1 DAY) | |||
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