Lennox International Inc l7742u owner manual Options tab, Display Info, FAN Circulate

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Options tab

s (continued)

EVENTS DAILY 2 OR 4change, scroll to EVENTS DAILY 2 OR 4; press ENTER. Use arrows to change to 2; press SAVE.

EVENTS DAILY 2 OR 4

DEFAULT(4)2

For INDOOR RH, use arrows to select ON or OFF; then press SAVE.

INDOOR RH

 

DEFAULT(OFF)

ON

VIEW CONTACT INFOACT INFO from the

user settings menu; press ENTER. Use BACK to return to menu. (To set this to display on the home screen, see DISPLAY INFO.)

DISPLAY INFO

perature and above the time on the HOME screen; it may display OUT- DOOR TEMP, INDOOR RH (relative humidity), and CONTACT INFO or any combination of the three, or none if all three are set to OFF.

Scroll to DISPLAY INFO; press ENTER. Use arrows to select OUT- DOOR TEMP. INDOOR RH or CONTACT INFO; press ENTER.

DISPLAY INFO

OUTDOOR TEMP

INDOOR RH

CONTACT INFO

NOTE − When turning ON the OUTDOOR TEMP option DOOR SENSOR REQUIRED" will display if the physical sensor is not installed.

NOTE − If outdoor sensor is not present and if user tries to select the options DISPLAY INFO −> OUTDOOR TEMP or HUMIDITROL a mes- sage is displayed

options for these menus. Information about installing the sensor is de- scribed on Page 15.

For OUTDOOR TEMP, select ON or OFF; then press SAVE.

OUTDOOR TEMP

DEFAULT(OFF)ON

For CONTACT INFO, select ON or OFF; then press SAVE.

CONTACT INFO

 

 

 

 

DEFAULT(OFF)

ON

 

 

 

 

 

 

FAN CIRCULATE

 

 

running the fan all the time, fan cir-

culate allows the user to decide how much the fan will run during peri- ods of equipment inactivity. The fan ON time is always set to 5 minutes. This option will cause the fan to come on more or less frequently. The default is 35%; to change, scroll to FAN CIRCULATE; press ENTER. Use arrows to change to 15, 25, or 45%; press SAVE.

FAN CIRCULATE

DEFAULT(35%) 25%

15% (9 minutes fan run time per hour)

25% (15 minutes fan run time per hour)

35% (21 minutes fan run time per hour)

45% (27 minutes fan run time per hour).

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Contents ComfortSense 7000 Series ComfortSense 7000 Series Model L7742U Thermostat Touch Screen Display TouchHome Screenemperature Settings Home ScreenControlling the Heat/Cool Modes of Operation Faults, Errors, and Service InformationOperating Information Fan Modes Controlling the Fan OperationControlling the Schedule Fan ProgramFull WeekO Schedule tabProgramming Complexity Programming process 7 timesDays & Events Programming process Schedule ScreenAction Display shows Options Screen User Settings Options TAB User Settings EnterENTER. Use arrows to change to C press Save For Contact INFO, select on or OFF then press Save Options tabDisplay Info FAN CirculateCooling Limit Humidity SettingHumiditrol Adjust Heating LimitHumidify HumidificationBasic & Precision OFFDehumidification Accessory EDAITY Settings press ENTER. Press the box below Dehumidify Humiditrol Enhanced DehumidificationTemporary Temperature Change Temporary Temperature Changes schedule onOptional Remote Outdoor Sensor Service RemindersMemory Protection

l7742u, comfortsense 7000 series touch screen programmable thermostat specifications

Lennox International Inc. is renowned for its innovative heating, ventilation, and air conditioning (HVAC) solutions, and the ComfortSense 7000 Series Touch Screen Programmable Thermostat, model L7742U, stands as a testament to its commitment to energy efficiency and user-friendly design. This advanced thermostat combines cutting-edge technology with an intuitive interface, making it an ideal choice for homeowners looking to enhance comfort while managing energy costs.

One of the standout features of the ComfortSense 7000 Series is its large, easy-to-read, full-color touch screen display. This enables users to navigate the thermostat’s settings and programming options effortlessly. The interface is designed to provide clear visibility, even in low light conditions, ensuring that managing your home’s climate is straightforward at any time of day.

The thermostat allows for flexible programming, accommodating up to four separate time periods in a single day, which can be customized for heating and cooling settings. This programmable feature means users can optimize their HVAC usage according to their daily schedules, leading to potential energy savings and increased comfort when they need it most.

Another significant characteristic of the L7742U model is its compatibility with a wide range of heating and cooling systems. This versatility enables homeowners to integrate the thermostat with both conventional and advanced HVAC systems, including heat pumps and multi-stage units, which enhances its appeal across various applications.

The ComfortSense 7000 Series also includes smart features that allow for remote access. When connected to Wi-Fi, users can adjust their home’s temperature settings from their smartphones or tablets using the Lennox mobile app. This feature is particularly valuable for homeowners who want to make adjustments while away from home, ensuring that indoor conditions remain pleasant upon their return.

Moreover, the thermostat is designed with energy efficiency in mind. It utilizes advanced technologies, such as energy usage reports and reminders for regular maintenance checks, empowering users to take charge of their energy consumption. This can lead to reduced utility bills and a smaller environmental footprint.

In conclusion, the Lennox ComfortSense 7000 Series Touch Screen Programmable Thermostat, model L7742U, is a sophisticated yet user-friendly device that enhances the overall efficiency and comfort of home environments. Its advanced programming capabilities, smart technologies, and compatibility with various HVAC systems make it a smart choice for today’s energy-conscious homeowners. With Lennox’s commitment to quality, users can expect reliability and performance that meets the demands of modern living.