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2. Use the Up/Down arrow buttons to select the desired
hour; press the PROG button when the desired hour
is reached; use the Up/Down arrow buttons again to
select desired minute. The selected hour/minute is
when the program will start. Press the PROG button.
3. Use the Up/Down arrow buttons to select the desired
heat setpoint; press the PROG button.
4. Use the Up/Down arrow buttons to select the desired
cool setpoint; press the PROG button.
5. Repeat steps 1 − 4 for Monday, periods B, C, and D.
6. COPY A PROGRAM − If the program entered for
Monday is satisfactory for other days of the week, do
the following to repeat the same program for other
days:
A
Press the PROG button, then press the COPY
button. The display clears the screen except for
Copy from MO with MO" flashing. Press the
COPY button again to copy Monday's program.
B
The display changes to Copy to MO". Use the ar-
row buttons to scroll to the desired day where you
want the same program as Monday. Press the
COPY button.
C
Repeat steps A and B for as many days as you
want the same program.
Copy from MO
Figure 11. Copy a Programmed Day to Another
7. Repeat steps 1 − 5 to program different times and tem-
peratures for days not yet programmed.
FAN − Controlling the Fan Operation
Use the FAN button to select either continuous fan mode or
auto fan mode.
To change from continuous to auto fan mode (or vice ver-
sa), press the FAN button. Note whether a fan icon in the
FAN box is present (indicating that the fan is running) or not
(fan not running).
If continuous fan mode is enabled (ON displayed in FAN
box − see figure 12), the fan will run continuously regard-
less of whether the heating or cooling equipment is run-
ning.
Heat
Cool
Prog
Auto
Copy
Day/Time
(DOOR
Fan
Hold
OPEN)
Settings
Enter
(Outside)
Day
72
Figure 12. Using Fan ON
If auto fan mode is selected (AUTO displayed in FAN box −
see figure 13), the fan will only run when the heating or
cooling equipment is running.
72
Figure 13. Using Fan AUTO
Displaying Outside Temperature
Pressing the ENTER (Outside) button at the HOME
screen displays the outside temperature (see figure 14) for
several seconds, then returns to room temperature.
88
Figure 14. Check Outside Temperature
SETTINGS − Filter/Maintenance Reminders
The L3711C thermostat is designed to remind you when
the filter needs changing or when routine maintenance is
required, as (and if) defined, by you. These optional re-
minders are not enabled until you activate them. To do so,
press the SETTINGS button once or twice for the desired
reminder as shown in figure 15 and as described in table 1.
FILTER
MAINTENANCE
Figure 15. Reminder Settings Display
Page 5
Heat
Cool
Prog
Auto
i0:30
Copy
Day/Time
Fan
Hold
Heat
Cool
Prog
Auto
i0:30
Copy
Day/Time
Fan
Hold
Fan
Hold
Settings
Enter
(Outside)
OFF
For FILTER, press SETTINGS
button 1 time
For MAINTENANCE, press
SETTINGS button 2 times
L3711C 7-DAY PROGRAMMABLE THERMOSTAT
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