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Set Current Time and Date
1) Press MENU and then TIME button once. The display
will show the hour only.
2) Press and hold either the
or key until you reach
the correct hour and AM/PM designation (AM begins at
midnight, PM begins at noon).
3) Press TIME once again. The display window will show
the minutes only.
4) Press and hold either the
or key until you reach
the correct minutes.
5) Additional presses of TIME will advance the display to
show the year, month and date of month. Press the
or key to change the display to the correct setting
for each.
6) Press RUN SCHED to exit the TIME mode.
Enter the Heating Program
1) Press SYSTEM button to select “Heat” in the system
switch area indicating the active mode being pro-
grammed.
2) Press the MENU button and then press SCHEDULE.
3) The top of the display will show the day(s) being pro-
grammed. The time and temperature (flashing) are also
displayed. “1” will also be displayed to indicate the period.
4) Press
or key to change the temperature to your
selected temperature for the 1st heating period.
5) Press TIME button, time will flash.
6) Press
or key to adjust the start time for the
1st period.
7) The time will change in 15 minute increments.
8) After you have set the time and the temperature for
the period to begin, press SCHEDULE to advance to the
next program period.
9) Repeat steps 2 through 8 until all of the program times
and temperatures are set for all program periods on that
day.
10) Press SCHEDULE to the next day and repeat steps 2
through 9.
11) When programming is complete and all of the times and
temperatures match your desired heating schedule, press
RUN SCHEDULE. The thermostat will now run your
program.
Enter the Cooling Program
1) Press SYSTEM button to select “Cool” in the system
switch area indicating the active mode being pro-
grammed.
2) Follow Enter Heating Program instructions for entering
cooling times and temperatures.
PROGRAMMING (For Programmable Model Only)
The 1F85-0422 thermostats are programmed with the energy
saving settings shown in the table below for all days of the
week. If this program suits your needs, simply set the thermo-
stat clock and press the RUN SCHED button.
The table below shows the factory set heating and cooling
schedule for all days of the week.
Wake Up
(Period 1)
Leave For Work
(Period 2)
Return Home
(Period 3)
Go To Bed
(Period 4)
Heating
Program
6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F
Cooling
Program
6:00 AM 75°F 8:00 AM 83°F 5:00 PM 75°F 10:00 PM 78°F
Energy Saving Factory Pre-Program
OPERATING YOUR THERMOSTAT IMPORTANT!
Second Stage Time Delay
Your thermostat is designed to determine the optimum time
to activate the second stage. Simply raising the temperature
in heating or lowering it in cooling will not always force the
thermostat to bring the second stage on quickly. There is a
time delay from 0-30 minutes depending on the performance
of the first stage of the system.
EXAMPLE: For the last 2 hours the thermostat is set on 70°
and the room temperature is 70° with the equipment using
only the first stage of heat. Since the equipment is keeping
the temperature within 1° of setpoint, the thermostat will
delay second stage for a longer time if you manually raise
the temperature or if the room temperature quickly changes.
Once the second stage comes on, it will come on sooner the
next time there is a difference between the setpoint and the
room temperature. The net effect of the staging program is
that when the first stage is capable of making temperature
the second stage will delay longer. When the thermostat
calculates that first stage cannot make temperature in a
reasonable time, the second stage will come on sooner. This
built in function automatically optimizes the use of additional
stages of heat or cool.