Choose the Vent Setting Auto or On | White Rodgers 1F85ST-0422

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 ﬁlter. When “Cambiar Filtro” (Change Filter) is displayed, press MENU or ARRANCAR button to clear the display and restart the time to the next ﬁlter 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.

OPERATING YOUR THERMOSTAT		IMPORTANT!

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.

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.

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.

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 (ﬂashing) 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 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 Programa to advance to the next program period.

1F85ST-0422 specifications

The White Rodgers 1F85ST-0422 is a renowned programmable thermostat that caters to the needs of both residential and commercial applications. Recognized for its user-friendly interface and advanced features, this thermostat is designed to provide optimal comfort while ensuring energy efficiency.

One of the standout features of the 1F85ST-0422 is its 7-day programmable scheduling. Users can customize heating and cooling schedules for each day of the week, allowing them to set specific temperature preferences for different times of the day. This flexibility not only enhances comfort but also promotes energy savings by reducing usage during non-peak hours.

The thermostat boasts a large backlit display, which is easy to read, even in low-light conditions. The touchscreen interface simplifies navigation, making it intuitive for users to adjust settings or review programming schedules. The visual feedback provided by the display ensures that users can monitor their climate control at a glance.

This model incorporates a Smart Recovery feature, which starts the heating or cooling system ahead of the scheduled start time, ensuring that the desired temperature is reached exactly when intended. This proactive approach minimizes temperature fluctuations and enhances overall comfort in the home or workspace.

Another significant technological aspect of the White Rodgers 1F85ST-0422 is its compatibility with various heating and cooling systems, including conventional, heat pumps, and multi-stage systems. This versatility makes it an excellent choice for a wide range of installations.

The thermostat is also equipped with advanced energy management and diagnostic features. Users receive alerts for maintenance needs, such as filter changes, which helps to ensure the continued efficiency of the HVAC system. Additionally, the thermostat's energy use reports provide insights into consumption patterns, enabling users to make informed decisions about their heating and cooling usage.

In terms of installation, the White Rodgers 1F85ST-0422 is designed for straightforward mounting and setup. With the included user manual and clearly labeled terminals, even those with minimal technical expertise can install it with ease.

In summary, the White Rodgers 1F85ST-0422 is a feature-rich programmable thermostat that combines advanced technology, user-friendly design, and energy-saving capabilities, making it a smart choice for anyone looking to optimize their indoor climate control.

White Rodgers 1F85ST-0422 Choose the Vent Setting Auto or On, Program Override Temporary Override

Models: 1F85ST-0422