Table of Contents

PROGRAMMING

Enter the Heating Program

1.Touch the Menu key to display ad- ditional key choices.

2.Touch the Set Schedule key. The top of the display will show the day being programmed. The time and Set At temperature are also displayed. “MORNING” will also be displayed to indicate the period.

3.Touch SYSTEM key to select Heat in the SYSTEM switch area indicating the active mode being programmed. You can change to the other mode by touching the SYSTEM key at any time.

4.Touch and key to change the temperature to your selected temperature for the 1st heating period (Morning).

5.Touch or key to adjust the start time for period. The time will change in 15 minute increments.

6.Touch FAN to select Auto or Prog.

7.After you have set the time and the temperature for the period to begin, touch Set Schedule to advance to the next program period.

8.Repeat steps 4 through 7 until all of the program times and temperatures are set for all program periods for that day.

9.Use the Copy Key to copy the pro- gram as described previously or touch Advance Day to change to the next day and repeat steps 4 through 9 until programs for all days are entered.

10.When programming is complete and all of the times and temperatures match your desired heating schedule, touch Run Schedule. The thermostat will now run your program.

Enter the Cooling Program

1.Touch the SYSTEM key until the Cool icon appears.

2.Follow Enter Heating Program instruc- tions for entering cooling times and temperatures.

Programmable Fan

The indoor fan/blower can be selected to turn on and off with the cycle of the system or to run all the time whether the system is on or off. In the Set Schedule mode, the FAN key is used to select the fan operation during a program period. The default state of the FAN key is FAN Auto. It can be changed to FAN Prog.

In the Run Schedule mode, during a pro- gram period that has FAN Prog sched- uled, the fan will turn on and stay on during the complete period. The display will show FAN On Prog. The programma- ble fan can be overridden by touching the FAN key to select Auto or On.

TOUCHSCREEN THERMOSTAT DISPLAY OVERVIEW . . . 4

QUICK START GUIDE	. . . . .	7
Set Current Time and Day	. . . . .	7
Choose the System Setting	. . . . .	8
Energy Saving Factory Pre-program . . . .	. . . . .	8
USING YOUR THERMOSTAT	. . . . . .	.9
SETTING UP YOUR THERMOSTAT OPTIONS .	. . . . . 12
PROGRAMMING YOUR THERMOSTAT . . . .	. . . . . 16
Planning Your Program	. . . . . . . . . .	16
Programming Tips – Copy Program	. . . . . . . . . .	16
Heating and Cooling Worksheet	. . . . . 17
Enter the Heating Program	. . . . . 18
Enter the Cooling Program	. . . . . 18
Programmable Fan	. . . . . . . . . .	18
DIAGNOSTICS . . . . . . . . . . . . . . . . . . .19
Diagnostics (Fault) Screen	. . . . . 19
Record of Thermostat Options Selected . . .	. Back Cover
Service Information	. Back Cover

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1F98EZ-1441, 1F98EZ-1421 specifications

The White Rodgers 1F98EZ-1421 is a versatile and advanced thermostat designed to provide precise temperature control and energy efficiency in residential heating and cooling systems. This device stands out for its blend of functionality, user-friendly interface, and smart technology, making it an excellent choice for homeowners looking to optimize their indoor climate while reducing energy consumption.

One of the key features of the 1F98EZ-1421 is its capability to manage both heating and cooling systems, including gas, electric, and heat pump configurations. This adaptability makes it suitable for a variety of HVAC setups, ensuring homeowners can use it in different environments without needing to switch devices.

The device boasts a large, easy-to-read LCD display that simplifies operation. Users can quickly adjust temperature settings and program heating and cooling schedules with just a few taps. The intuitive interface is designed for straightforward navigation, which minimizes confusion and enhances the user's experience.

Incorporating advanced technologies, the 1F98EZ-1421 features a Wi-Fi connectivity option, enabling users to monitor and control their home’s temperature remotely via smartphones, tablets, or computers. This capability allows for adjustments while away from home, thereby optimizing comfort levels and saving energy. The integration of smart home technology also allows for compatibility with voice-activated systems like Amazon Alexa and Google Assistant, further enhancing convenience.

The thermostat supports a seven-day programmable schedule, permitting users to set different temperatures for each day of the week. This feature is particularly useful for families with varying routines, as it can help reduce energy consumption when the house is empty. Additionally, it includes a temporary hold feature, allowing users to override scheduled settings with ease.

Energy-saving technology is another hallmark of the White Rodgers 1F98EZ-1421. The device employs a Smart Recovery feature, which learns how long it takes to heat or cool a space to the desired temperature and adjusts accordingly. This ensures that the desired climate is reached efficiently without unnecessary energy expenditure.

Overall, the White Rodgers 1F98EZ-1421 thermostat combines advanced technology with user-friendly features to enhance comfort and efficiency in any home. Its programmable capabilities, smart integrations, and flexible compatibility with various HVAC systems make it an attractive choice for homeowners seeking a modern temperature control solution.

White Rodgers 1F98EZ-1441, 1F98EZ-1421 owner manual Table of Contents

1F98EZ-1441, 1F98EZ-1421 specifications