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• TEMPERATURE DISPLAY ADJUSTMENT — Your new
thermostat has been accurately set in our factory. However,
if you wish, you may adjust your new thermostat temperature
display to match your old thermostat. This can be accom-
plished (within a ±3° range) as follows:
1. Press PRGM and RUN buttons at the same time.
2. Press
or to adjust the displayed temperature to
your desired setting.
3. Press RUN to resume normal program operation.
• Display Backlight — (Not available on earlier models.) The
display backlight improves display contrast in low lighting
conditions. Selecting backlight ON will turn the light on for a
short period of time after any button is pressed. Selecting
backlight OFF (default) will keep the light off. Turn the display
backlight feature ON as follows:
1. Press TIME and RUN buttons at the same time. The
display will show “d-L” and “OFF” alternately.
2. Press or to change “OFF” to “ON”
1ST
2ND
3RD
4TH
1ST
2ND
3RD
4TH
SAMPLE
Heating/Cooling Schedule Plan (Factory Program)
6:00 AM
8:00 AM
5:00 PM
10:00 PM
6:00 AM
8:00 AM
5:00 PM
10:00 PM
6:00 AM
8:00 AM
5:00 PM
10:00 PM
6:00 AM
8:00 AM
5:00 PM
10:00 PM
70 F
62 F
70 F
62 F
78 F
85 F
78 F
82 F
70 F
62 F
70 F
62 F
78 F
85 F
78 F
82 F
WEEKDAY (5 DAY)
WEEKEND (2 DAY)
Start
Time Temperature
Start
Time Temperature
Period
COOL HEAT
WEEKDAY (5 DAY)
WEEKEND (2 DAY)
Start
Time Temperature
Start
Time Temperature
Heating/Cooling Schedule Plan
Period
COOL
1ST
2ND
3RD
4TH
1ST
2ND
3RD
4TH
COOL HEAT
PROGRAMMING YOUR THERMOSTAT
6
This section will help you plan your thermostat’s program to meet
your needs. For maximum comfort and efficiency, keep the
following guidelines in mind when planning your program.
• When heating (cooling) your building, program the tempera-
tures to be cooler (warmer) when the building is vacant or
during periods of low activity.
• During early morning hours, the need for cooling is usually
minimal.
Look at the factory preprogrammed times and temperatures shown
below. If this program will suit your needs, simply press the RUN
button to begin running the factory preset program.
If you want to change the preprogrammed times and tempera-
tures, follow these steps.
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 temperatures, and
cooling temperatures independently for both weekday and week-
end 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 table at the bottom of the
page to plan your program time periods and the temperatures you
want during each period. You may also want to look at the sample
program table to get an idea of how the thermostat can be
programmed.
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.
2. Press PRGM once. “A” (indicating weekday program) will ap-
pear in the display. Also displayed are the currently programmed
start time for the 1st heating period and the currently pro-
grammed temperature (flashing).
EXAMPLE:
AM
MOTU WETH FR
This display window shows that for the 1st weekday period,
the start time is 6:00 AM, and 70° is the programmed tempera-
ture (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 tempera-
ture mode.
5. Press PRGM once. The currently programmed start time and
setpoint temperature for the 2nd heating program period will
appear.