Specifications

6)Select filter replacement run time – The thermostat will display FLTR after a set time of operation. This is a remind- er to change or clean your air filter. This time can be set from 0 to 1950 hours in 50 hour increments. A selection of 000 will cancel this feature. When “FLTR” is displayed, you can clear it by pressing SYSTEM. This resets the timer and starts counting the hours until the next filter change. Contact your system manufacturer for a specific replacement/main tenance interval.

7)Select Temperature Display Adjustment 4 LO to 4 HI – Allows you to adjust the room temperature display up to 4° higher or lower. Your thermostat was accurately calibrated at the factory but you have the option to change the display temperature to match your previous thermostat. The cur- rent or adjusted room temperature will be displayed on the left side of the display.

8)Select F° or C° Readout – Changes the display readout to Centigrade or Fahrenheit as required.

9)Selected Auto mode – This control will feature AUTO changeover mode when AU on is selected (default). Press

the or keys (not available on earlier models) to defeat the auto changeover mode (OFF).

10)Limited Heat Range – This feature provides a maximum setpoint temperature for heat. The default setting is 90°F. It can be changed between 62°F and 89°F by pressing the or key.

11)Limited Cool Range – This feature provides a minimum setpoint temperature for cool. The default setting is 45°F. It can be changed between 46°F and 82°F by pressing the

or key.

12)This Feature Not Available.

CONFIGURATION MENU

13 & 14) Keypad Lockout – This menu selection will display lock icon () and “OFF” (default, keypad not locked out). The and are used to toggle the selection between OFF and ON (keypad locked out). When the keypad lockout selection is enabled (ON), and the SYSTEM button is pressed again, the display will indicate the number “0” (default, still disabled) in the time digits. The and are used to set the combination number from 0 to 999. If a combination of 0 is selected and the SYSTEM button is pressed, the menu will be exited and keypad will not be locked. If 1 to 999 is selected and the SYSTEM button is pressed, the combination is stored into memory and the menu is exited. The () will display designating keypad locked with a valid combination. The SYSTEM button will operate for 10 seconds after the menu mode is exited to allow the user to change the mode from OFF to the desired SYSTEM mode.

While the keypad is locked out, a simultaneous press of and will enter the configuration menu from any mode instead of only OFF mode. When the menu is entered with the keypad lockout feature enabled, the first menu item displayed is the combination code 0. The or keys are used to set the combination unlock number from 0 to 999. If the unlock number matches exactly with the combination lock number stored in memory when the SYSTEM button is pressed, the keypad is unlocked and the () is removed. If the unlock number does not match when the SYSTEM button is pressed, the menu is exited and the keypad remains disabled.

To reset the combination code and unlock the keypad if the code is forgotten, see troubleshooting section.

ELECTRICAL DATA

Electrical Rating:

20 to 30 VAC 50/60 Hz or DC

0.05 to 1.5 Amps (Load per terminal)

2.5 Amps Maximum Total Load (All terminals combined)

THERMAL DATA

Setpoint Temperature Range:

45°F to 90°F (7°C to 32°C)

Operating Ambient Temperature Range:

32°F to 105°F

Operating Humidity Range:

0 to 90% RH (non-condensing)

Shipping Temperature Range:

-40°F to 150°F

1F83-277 specifications

The Emerson 1F83-277 is a sophisticated programmable thermostat designed to bring efficiency and comfort to residential heating and cooling systems. This device stands out with its user-friendly interface and advanced features, making it an ideal choice for homeowners looking to modernize their HVAC control.

One of the main features of the 1F83-277 is its intuitive touchscreen display. The vibrant, easy-to-read screen allows users to effortlessly navigate through menus and settings. This interface is critical for accessing various functionalities, including temperature settings, scheduling programs, and energy-saving modes.

The thermostat is equipped with a five-day programming capability, enabling users to establish distinct heating and cooling schedules for weekdays and weekends. This level of customization allows for optimal energy management, as homeowners can set the temperature to match their daily routines. By adjusting the temperature according to specific usage patterns, users can significantly reduce energy consumption and lower utility bills.

Another notable feature is the inclusion of Smart Response Technology, which learns the heating and cooling needs of the home and adjusts the operation of the HVAC system accordingly. This intelligent adaptation ensures that the desired temperature is reached at the right time, enhancing overall comfort while maximizing energy efficiency.

The Emerson 1F83-277 supports multiple heating and cooling stages, accommodating various HVAC systems, including conventional, heat pump, and multi-stage configurations. This versatility makes it suitable for a wide range of residential settings, ensuring compatibility with most existing systems.

Additionally, the thermostat features a user-friendly setup process, allowing for quick installation and easy connectivity. It is compatible with various systems, including conventional, heat pumps, and gas or electric heating, which means it can fit seamlessly into any home environment.

Another key characteristic is its energy-saving features, such as an Eco mode that helps to minimize energy usage when the home is unoccupied. This is further augmented by the ability to track energy usage, enabling users to monitor their consumption patterns and make informed adjustments.

Overall, the Emerson 1F83-277 blends advanced technology with user-centric design, providing an efficient and comfortable heating and cooling solution for today's discerning homeowners.