Pushbutton Backlight

The large numbers and letters on your LCD screen make it easy to see. In low light conditions, press the button on top of the thermostat and the display will light up for three seconds. For ten minutes after pressing the light button, pressing any other button will light the display for ten seconds. The display light uses power from the 3 “AA” alkaline batteries installed. Excessive use of the display light will reduce battery life.

Factory Preprogramming

This thermostat has been programmed at the factory. The chart in the programming examples section lists these factory settings. If the times and temperatures are the same as your schedule, you may simply run the factory installed program by pressing

PROGRAM RUN .

Arm Chair Programming.

The thermostat uses 24 VAC power supplied by the system for normal operation. However, if the installed “AA” batteries are providing sufficient power, you can program the thermostat away from the wall. If the thermostat indicates low battery power (CHECK BATTERY), refer to the Battery Back- up feature (page 33).

Temporary Program Override.

Any time your program is running and you would like to override it for a specific amount of time, press

or until the temperature you want is displayed. The display will indicate HOLD, and the number of hours remaining in the hold period will be indicated with the word HRS. To adjust the length of time for the override, press TIME FWD or TIME BACK . HOLD TILL will be displayed as well as the HOLD period expiration

31

time. Press TIME FWD or TIME BACK buttons until you reach the time you would like it to resume the program. The TIME FWD or TIME BACK buttons adjust the time in 15 minute increments. This programmed hold time has a 19 hour maximum and 15 minute minimum. Beyond 19 hours you may wish to use the vacation hold feature (page 33). If you need to, you can adjust the temperature up or down.

Indefinite Program Hold.

If you want to operate the thermostat to keep a set temperature without a program running, press PROGRAM

HOLD . The or buttons can be used to raise or lower the temperature. The thermostat will hold the set temperature until you return to the program by pressing PROGRAM

RUN .

Features

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Emerson 1F97-391 Pushbutton Backlight, Factory Preprogramming, Arm Chair Programming, Temporary Program Override

1F97-391 specifications

The Emerson 1F97-391 is a sophisticated, programmable thermostat designed to enhance comfort and efficiency in residential heating and cooling systems. With its sleek design and user-friendly interface, this thermostat stands out for those looking to upgrade their home climate control.

One of the main features of the Emerson 1F97-391 is its ability to be programmed for up to seven days. This allows users to set different temperature schedules for different days of the week, which is particularly useful for families with varying routines. The thermostat also boasts a large, backlit display that makes it easy to read temperature settings and other information, even in low-light conditions.

In terms of technology, the Emerson 1F97-391 is equipped with Smart Response technology, which learns your heating and cooling patterns and adjusts accordingly. This feature is designed to ensure that your home reaches the desired temperature by the time you're scheduled to arrive, optimizing energy efficiency. Additionally, the thermostat can be paired with Wi-Fi connectivity, allowing for remote access through a mobile app. This means users can adjust their home’s temperature from anywhere, ensuring comfort upon arrival.

Another significant characteristic of the Emerson 1F97-391 is its compatibility with a wide range of HVAC systems, including single-stage and multi-stage systems, heat pumps, and gas or electric furnaces. This versatility makes it an ideal choice for a variety of homes and setups.

Moreover, the thermostat features a built-in humidity sensor, providing users with not only temperature control but also the ability to monitor and manage indoor air quality. This is crucial for maintaining a comfortable living environment and can contribute to overall health and well-being.

The Emerson 1F97-391 also incorporates energy-saving functions such as Eco mode and built-in reminders for filter changes. These features help users maintain their systems efficiently while ensuring optimal performance over time.

In summary, the Emerson 1F97-391 is a modern thermostat offering programmable capabilities, advanced technology like Smart Response, and compatibility with various HVAC systems. It encompasses features focused on energy efficiency and user convenience, making it an excellent choice for anyone seeking to enhance their home’s climate control system.