OPERATION

Before you begin using your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the

cover, gently pull it straight out from the base. To replace the 1 cover, line up the cover with the base and press gently until the cover snaps onto the base.

2

WHITE-RODGERS

THE THERMOSTAT BASE

The Thermostat Buttons and Switches

Other than and , the following buttons and switches are

located behind the door on the bottom of the thermostat cover (see fig. 11). Pull the door down to open it.

1(Red arrow) Raises temperature setting.

2(Blue arrow) Lowers temperature setting.

3FAN switch (ON, AUTO).

4SYSTEM switch (COOL, OFF, HEAT).

The Display

5HEAT is displayed when the SYSTEM switch is in the

HEAT position. COOL is displayed (non-flashing) when the SYSTEM switch is in the COOL position. COOL is dis- played (flashing) when the compressor is in lockout mode. OFF is displayed when the SYSTEM switch is in the OFF position.

6Displays current temperature.

7BATTERY is displayed when the 3 “AA” batteries are low and should be replaced. Nothing else will be displayed.

8Displays current setpoint temperature (this is blank when SYSTEM switch is in the OFF position).

OPERATING FEATURES

Now that you are familiar with the thermostat buttons and display, read the following information to learn about the fea- tures of the thermostat.

•SIMULTANEOUS HEATING/COOLING STORAGE — You can enter both your heating and cooling setpoints at the same time. There is no need to reset the thermostat at the beginning of each season.

•LOW BATTERY INDICATOR — If the 3 “AA” alkaline batteries are low and should be replaced, the display will be blank except for the word BATTERY. When the batteries are low, pressing any button will cause the display to operate for ten seconds. After ten seconds, the display will be blank except for the word BATTERY. When the duration of a low battery condition exceeds four weeks, the setpoint is altered by 10 degrees to signal that the batteries must be replaced.

FAN ON AUTO COOL OFF HEAT

 

 

3

4

 

5

 

 

6

HEAT

 

 

 

 

COOL

 

 

 

BATTERY

 

 

 

7

8

6

5

Figure 11. Thermostat display, buttons, and switches

•°F/°C CONVERTIBILITY— After ten seconds of no key activity, when the thermostat is in the temperature display adjustment mode, or 30 seconds after power up, pressing

andat the same time will switch the LCD temperature display between Fahrenheit and Celsius.

•TEMPERATURE DISPLAY ADJUSTMENT — Your new thermostat has been accurately set in our factory. However, if you wish, you may adjust your new thermostat tempera-

ture display to match your old thermostat. This can be accomplished (within a ±4° range) as follows:

1.Press and at the same time within 30 seconds of applying power.

2.Press or to adjust the displayed temperature to your desired setting.

3.After setting your desired temperature, do not press any buttons for ten seconds. The thermostat will continue operating at the changed temperature setting.

SETTING THE THERMOSTAT

This thermostat is very easy to operate. Set the SYSTEM button to either HEAT or COOL, then press or until the tempera-

ture you want to maintain is shown on the right side of the display. If you want to turn the system off, just move the SYSTEM switch to OFF.

The FAN switch controls the fan operation. When the FAN switch is set to AUTO, the fan will cycle with the furnace or air conditioner. When the FAN switch is set to ON, the fan will run continuously, regardless of SYSTEM switch position.

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White Rodgers 1F86-444 specifications Operation, Thermostat Base, Operating Features, Setting the Thermostat
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1F86-444 specifications

The White Rodgers 1F86-444 is a sophisticated digital thermostat designed to enhance heating and cooling system efficiency in residential and light commercial applications. As part of the White Rodgers family, this model exhibits an array of advanced features that cater to the user’s comfort while promoting energy savings.

One of the standout characteristics of the 1F86-444 is its easy-to-read, backlit LCD display. This feature ensures that users can view and adjust settings effortlessly, even in low light environments. The display not only shows the current temperature but also allows for programming and setting adjustments with clear, intuitive icons and text.

This thermostat is equipped with a user-friendly programmable schedule, enabling homeowners to set specific times for heating and cooling. With up to four programmable periods per day and the ability to tailor different schedules for weekdays and weekends, users can optimize their energy consumption while maintaining a comfortable home atmosphere.

The 1F86-444 also incorporates advanced technologies such as Adaptive Intelligent Recovery. This feature learns the heating and cooling characteristics of the home, allowing the thermostat to adjust the system's operation proactively. The goal is to reach the desired temperature by the scheduled time without overusing energy, thus preventing unnecessary costs on utility bills.

Another significant attribute is its versatile compatibility. The thermostat is designed to work with a wide range of HVAC systems, including 24V gas, oil, or electric heating systems, as well as conventional or heat pump cooling systems. This makes it a convenient option for homeowners with varying system types.

Additionally, the thermostat offers precise temperature control with a 1-degree accuracy, ensuring that users can maintain their desired comfort levels consistently. With features like an easily accessible battery backup, the thermostat retains programmed settings in case of a power outage, ensuring peace of mind.

In terms of installation, the 1F86-444 is designed for straightforward mounting, with a robust design that enhances its durability. Users can easily install it without requiring extensive technical skills, making it a practical choice for the DIY homeowner.

In summary, the White Rodgers 1F86-444 combines user-friendly design, advanced programming capabilities, and compatibility with a range of HVAC systems, making it an ideal solution for those looking to enhance their home’s comfort and energy efficiency. Its intelligent features and precise control set it apart in the digital thermostat market.
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