Lennox International Inc l7742u owner manual Humidification, Basic & Precision, Humidify, Off

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Humidification

BASIC & PRECISION

PRECISION, this adjustment controls the relative humidity (RH) be- tween 15 and 45%.

Scroll to HUMIDITY SETTINGS; press ENTER. Press the box below

HUMIDIFY.

HUMIDITY MODE

HUMIDIFY DEHUMIDIFY

Use up/down arrows to change the humidity setpoint (between 15 and 45%); press SAVE.

HUM SETPOINT

 

DEFAULT (45%)

4O%

DEWPOINTif set up by the installer settings for DEWPOINT, this ad- justment (only when in heating mode) will change the humidification setpoint based on the outdoor temperature and a user−defined dew point adjustment setting. When humidifying, if condensation forms on the windows, the dewpoint should be adjusted in the range of −15 to −5%; if the home feels dry, set dewpoint upward in the range of +5 to +15%.

Scroll to HUMIDITY SETTINGS; press ENTER. Press the box below

HUMIDIFY.

HUMIDITY MODE

HUMIDIFY DEHUMIDIFY

Use up/down arrows to change the dewpoint (between +15 and −15%); press SAVE.

DEW POINT ADJ

 

DEFAULT (O%)

−5%

NOTE − Dewpoint adj available only when outdoor sensor is attached.

OFF

midify, this message appears when HUMIDITY SETTING is pressed:

HUMIDITY MODES OFF

If OFF is selected by the installer settings for HUMIDIFY but DE- HUMIDIFY is on, the dehumidification menu appears (this setpoint ad- just has NO effect on humidification):

DEHUM SETPOINT

 

DEFAULT (5O%)

45%

506229−01 05/09

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Contents ComfortSense 7000 Series ComfortSense 7000 Series Model L7742U Thermostat Touch Screen Display TouchHome Screenemperature Settings Home ScreenFaults, Errors, and Service Information Controlling the Heat/Cool Modes of OperationOperating Information Controlling the Fan Operation Controlling the ScheduleFan Modes Fan ProgramSchedule tab Programming ComplexityFull WeekO Programming process 7 timesSchedule Screen Days & Events Programming processAction Display shows User Settings Options TAB User Settings Enter Options ScreenENTER. Use arrows to change to C press Save Options tab Display InfoFor Contact INFO, select on or OFF then press Save FAN CirculateHumidity Setting Humiditrol AdjustCooling Limit Heating LimitHumidification Basic & PrecisionHumidify OFFAccessory EDA ITY Settings press ENTER. Press the box below DehumidifyDehumidification Humiditrol Enhanced DehumidificationTemporary Temperature Change Temporary Temperature Changes schedule onService Reminders Optional Remote Outdoor SensorMemory 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.