Operating your thermostat, Important, Programming (for programmable model only) – White Rodgers 1F85ST-0422 User Manual

Page 6: Installer/configuration menu

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6

OPERATING YOUR THERMOSTAT

Choose the Vent Setting (Auto or On)

Set the VENT Switch to Auto or On.
Vent Auto is the most commonly selected setting and runs the
fan only when the heating or cooling system is on.
Vent On runs the fan continuously for increased air circulation
or to allow additional air cleaning.

Choose the System (Sistema) Setting
(Calor, Off, Frio, Auto, Aux)

Press the SYSTEM button to select:

Calor: Thermostat controls only the heating system.

Off: Heating and Cooling systems are off.

Frio: Thermostat controls only the cooling system.

Auto: Auto Changeover is used in areas where both heating
and cooling may be required on the same day. AUTO allows
the thermostat to automatically select heating or cooling
depending on the indoor temperature and the selected heat
and cool temperatures. When using AUTO, be sure to set the
Cooling temperatures more than 1° Fahrenheit higher than
the heating temperature.

Aux: (Heat Pump models) Thermostat controls only backup
heating system.

IMPORTANT!

Manual Operation for Non-Programmable
Mode

Press the SISTEMA button to select Heat or Cool and use
the

or

buttons to adjust the temperature to your

desired setting. After selecting your desired settings you can
also press the SISTEMA button to select AUTO to allow the
thermostat to automatically change between Heat and Cool.

Manual Operation (Bypassing the Program)
Programmable Thermostats

Press

or

and then the RETENER button and

adjust the temperature wherever you like. This will override
the program. The HOLD feature bypasses the program and
allows you to adjust the temperature manually, as needed.
Whatever temperature you set in HOLD will be maintained
24 hours a day, until you manually change the temperature
or press Arrancar to cancel HOLD and resume the
programmed schedule.

Program Override (Temporary Override)

Press

or

buttons to adjust the temperature. This

will override the temperature setting for two hours minimum
or until the next programmed time. To cancel the temporary
setting at any time and return to the program, press
Arrancar. If the SISTEMA button is pressed to select AUTO
the thermostat will change to Heat or Cool, whichever ran
last. If it switches to heat but you want cool, or it changes
to cool but you want heat, press both

and

buttons

simultaneously to change to the other mode.

PROGRAMMING (For Programmable Model Only)

Set Current Time and Date

1) Press Menu and then Hora 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 Hora 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 Hora 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 Arrancar to exit the Time mode.

Enter the Heating Program

1) Press SISTEMA button to select “Calor” in the system

switch area indicating the active mode being pro-

grammed.

2) Press the Menu button and then press Programa.
3) The top of the display will show the day(s) being pro-

grammed. The time and temperature (fl ashing) are also

displayed. “1” will also be displayed to indicate the pe-
riod.

4) Press

or

key to change the temperature to your

selected temperature for the 1st heating period.

5) Press Hora button, time will fl ash.
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 Programa to advance to the

next program period.

INSTALLER/CONFIGURATION MENU

21) Select Filter Replacement Reminder and Set Run

Time – Select the “Cambiar Filtro” (Change Filter)
reminder On or OFF. If selected On, press MENU to
select the time period from 25 to 1975 hours in 25 hours
increments. In a typical system, 200 hours (default) of
run time is approximately 30 days. After the selected time
of blower operation, the thermostat will display “Cambiar
Filtro” (Change Filter)
as a reminder to change or clean
your air fi lter. When “Cambiar Filtro” (Change Filter) is
displayed, press MENU or ARRANCAR button to clear
the display and restart the time to the next fi lter change.

22) Select Reversing Valve Output – The O/B option is

factory set at “O” position. This will accommodate the

majority of heat pump applications, which require the

changeover relay to be energized in COOL. If the
thermostat you are replacing or the heat pump being
installed with this thermostat requires a “B” terminal, to
energize the changeover relay in HEAT, the O/B option
should be set at “B” position.

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