Beforeyoubeginprogrammingyourthermostat,youshouldbe familiarwithitsfeaturesandwiththedisplayandthelocation andoperationof thethermostatbuttonsYourthermostat. consistsoftwoparts:thethermostatcoverandthebaseTo. removethecover,pullitstraightoutfromthebaseToreplace. thecover,lineupthecoverwiththebaseandpressuntilthe coversnapsontothebase.

The Thermostat Buttons and Switches

Raises temperature setting

Lowers temperature setting.

TIME button.

PRGM (program) button.

RUN (run program) button.

HOLD temperature button.

QFAN switch (ON, AUTO)

SYSTEM button (COOL, AUTO, HEAT, EMER, OFF)

OPERATION

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The Display

®Indicates day of the week.

@Flame icon (_) is displayed when the system is in HEAT mode. Snowflake icon (-X-) is displayed when

the system is in COOL mode. Flame icon (_) and

Snowflake icon (-)6) are displayed simultaneously when thermostat is in AUTO mode.

Displays "BATT" when the 2 "AA" batteries are low and should be replaced. Only "BATT" and "LO" in the minutes field are displayed when batteries are low and with no system power.

Alternately displays current time and temperature. Dis- plays "LO" in the minutes field when batteries are low.

The word "HOLD" is displayed when the thermostat is in the HOLD mode. "HOLD" is displayed flashing when the thermostat is in a temporary HOLD mode.

Displays currently programmed set temperature (this is blank when SYSTEM is OFF).

Displays "FLTR" when the system has run for the programmed filter time period as a reminder to change or clean your filter.

The configuration menu allows you to set certain thermostat operating characteristics to your system or personal require- ments.

Set SYSTEM button to OFF, then simultaneously press (£) and (£) to enter configuration menu. The display will show the first item in the configuration menu.

The configuration menu table summarizes the configuration options. An explanation of each option follows.

Press SYSTEM to change to the next menu item. To exit the menu and return to the program operation, press RUN. If no keys are pressed within fifteen minutes, the thermostat will revert to normal operation.

Figure 6 - Thermostat display, buttons and switches

@Display (1) when in keypad lockout mode.

@"EMER" is displayed flashing when the system is in EMER mode.

@The word "FAULT" will be displayed when there is a malfunction in the HEAT/COOL system.

@Display (L) when limited HEAT/COOL range is activated. The "L" icon will flash if an attempt is made to adjust the temperature beyond the limited HEAT/COOL temperature range.

@Stage1 & 2 indicators: The thermostat shall indicate when the first and second stage is energized except in emergency mode. The icon is "STG 1" for the first stage energized. The icons for the first and second stage energized are "STGI+2" located in the upper right side of the display.

CONFIGURATION MENU

1) Single Stage, Multi-stage or Heat Pump System Configuration - This control can be configured for Heat Pump or two stage heat/two stage cool multi-stage opera- tion. The display indicates "MS 2" (default for multi-stage mode) in the display. The Multi-stage configuration can be

toggled to "SSl", "HP2", or "HPI" by pressing the (_ or

(_ key. In Multi-stage configuration, SYSTEM button will not have EMERgency mode.

2)Programs Per Week - This control can be configured for 7 independent day or 5/1/1/ programming or non-program- mable mode. The display indicates "7d" as default. The programs per week can be toggled to "5d" or "0d" by pressing the (E) or (_ keys. With "0d" selected for non-

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White Rodgers 1F85-277 installation instructions Operation, Configuration Menu, Lr IJ EiEL, Uui, Display

1F85-277 specifications

The White Rodgers 1F85-277 is an advanced programmable thermostat known for its versatility, energy-efficiency, and user-friendly design. It stands as a reliable choice for homeowners looking to enhance their heating and cooling systems' functionality while minimizing energy consumption.

One of the key features of the 1F85-277 is its 7-day programmable capability, which allows users to set schedules for different days of the week. This flexibility ensures that the home is heated or cooled according to individual preferences, thereby optimizing energy usage and providing comfort when it’s needed the most. The thermostat can program up to four different temperature settings per day, allowing precise control over home climate conditions.

Another notable characteristic of the White Rodgers 1F85-277 is its intuitive LCD display. The backlit screen is easy to read, displaying current temperature settings, scheduled programs, and system alerts clearly. This feature is especially useful during nighttime or low-light conditions. The interface allows for straightforward navigation, making it simple for users to create and modify schedules without the need for complex instructions.

The thermostat also integrates advanced technologies, including Smart Recovery. This technology ensures that the home reaches the desired temperature at the programmed time by anticipating how long it takes to heat or cool. By learning from previous system performance, it improves efficiency while maintaining home comfort.

Additionally, the White Rodgers 1F85-277 is compatible with most heating and cooling systems, including gas, electric, and heat pump systems. It supports both single-stage and multi-stage heating and cooling, providing flexibility and compatibility for various home setups.

A significant advantage is its energy-saving features, which can lead to reduced utility bills. By allowing homeowners to schedule their HVAC systems more efficiently, the 1F85-277 plays a crucial role in energy conservation efforts.

Furthermore, installation is straightforward, as the thermostat is designed with a user-centric approach, allowing most homeowners to install it without professional help.

Overall, the White Rodgers 1F85-277 combines advanced technology with practical features, making it an ideal solution for those seeking to improve home comfort while managing energy costs effectively. Its programmable functionality, user-friendly interface, and compatibility with diverse heating and cooling systems make it a standout product in the thermostat market.