Lennox International Inc comfortsense 7000 series touch screen programmable thermostat, l7742u

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Options tab

s (continued)

COOLING LIMIT

may be set for cooling (default is 50º); to change to any degree between 45ºF and 90ºF, scroll to COOLING LIMIT; press ENTER. Use arrows to change to desired temperature; press SAVE.

COOLING LIMIT

 

DEFAULT(5O °F)

55°F

HEATING LIMIT

may be set for heating (default is 85º); to change to any degree between 45ºF and 90ºF, scroll to HEATING LIMIT; press ENTER. Use arrows to change to desired temperature; press SAVE.

HEATING LIMIT

 

 

 

 

DEFAULT(85 °F)

80°F

 

 

 

 

 

 

 

HUMIDITY SETTING

 

 

 

Page 12)

 

 

 

and Dehumidify (Page 13).

 

 

 

 

HUMIDITROL ADJUST

 

 

 

® is enabled in the installer set-

tings, then this adjustment affects overcooling operation. Overcooling ranges from 2ºF below the cooling setpoint (MIN setting) down to 2ºF above the heating setpoint (MAX setting). Halfway between the two settings is the MID setting. The default setting is MAX; to change to MID or MIN, scroll to HUMIDITROL ADJUST; press ENTER. Use arrows to scroll to MID or MIN; then press SAVE.

HUMIDITROL ADJUST

 

DEFAULT (MAX)

MIN

NOTE − Humiditrol® does not function if the outdoor temperature is 95ºF or greater nor when the indoor temperature is 65ºF or less.

BACKLIGHT SETTINGVE; scroll to BACK-

LIGHT SETTING; press ENTER. Use arrows to change to CONTINU- OUS; press SAVE.

BACKLIGHT SETTING

DEF(SAVE) POWER SAVE

BACKLIGHT INTENSITY 100%; scroll to BACKLIGHT IN- TENSITY; press ENTER. Use arrows to change to 20 to 100% in 20% increments; press SAVE.

BACKLIGHT INTENSITY

 

 

 

 

 

DEFAULT(1OO%)

8O%

 

 

 

 

 

 

 

SECURITY LOCK

 

 

 

 

 

 

 

 

 

 

of locking the thermostat:

 

 

 

 

 

Answer YES to ALLOW TEMP ADJUST

 

perature setpoint changes without entering a 3−digit code.

 

Answer NO to ALLOW TEMP ADJUST

any

changes at all until the 3−digit code is entered.

 

Scroll to SECURITY LOCK and press ENTER; ALLOW TEMP AD- JUST screen appears; press box below YES or NO.

 

ALLOW

TEMP ADJUST

 

YES

 

NO

CANCEL

 

 

 

 

 

The ENTER LOCK CODE screen appears.

 

 

 

ENTER

LOCK

CODE

 

 

 

O

 

O

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CANCEL

 

SAVE

 

 

 

 

 

 

 

 

 

 

 

To enter the lock code, press box below each small up-arrow to select each column. Use up/down arrows to enter a number, then press the box below the next number and repeat to enter a 3-digit lock code; write down the number for future reference; press SAVE.

NOTE − If the security code is forgotten or misplaced, use the universal code

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ComfortSenset Model L7742U Touch Screen 7−Day Programmable Thermostat

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Contents ComfortSense 7000 Series ComfortSense 7000 Series Model L7742U Thermostat Touch Touch Screen DisplayHome Screen Home Screenemperature SettingsOperating Information Faults, Errors, and Service InformationControlling the Heat/Cool Modes of Operation Fan Program Controlling the Fan OperationControlling the Schedule Fan ModesProgramming process 7 times Schedule tabProgramming Complexity Full WeekOAction Display shows Schedule ScreenDays & Events Programming process ENTER. Use arrows to change to C press Save User Settings Options TAB User Settings EnterOptions Screen FAN Circulate Options tabDisplay Info For Contact INFO, select on or OFF then press SaveHeating Limit Humidity SettingHumiditrol Adjust Cooling LimitOFF HumidificationBasic & Precision HumidifyHumiditrol Enhanced Dehumidification Accessory EDAITY Settings press ENTER. Press the box below Dehumidify DehumidificationTemporary Temperature Changes schedule on Temporary Temperature ChangeMemory Protection Service RemindersOptional Remote Outdoor Sensor

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.
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