Lennox International Inc l7742u owner manual ComfortSense 7000 Series

Page 1

E2009 Lennox Industries Inc.

Dallas, Texas, USA

S Tabbed user interface with

S

Humidification measurement

touch screen interaction

 

and control

S Soft blue backlighted screen

S

Programmable or

with adjustable brightness

 

non−programmable options

S Equipment maintenance

S

Automatically changes

reminders

 

between heating cooling

05/09

 

 

HOMEOWNER’S MANUAL

ComfortSense® 7000 Series

Model L7742U Touch Screen Programmable Thermostat

CONTROLS

506229−01

05/09Litho U.S.A. Supersedes 04/09

Table of Contents

ComfortSense® 7000 Series Model L7742U Thermostat . . .

2

Display Fields & Touch Screen Points

. . . . . . . . . . .

3

Home Screenemperature Settings

4

 

 

Controlling the Heat/Cool Modes of Operation

. . . . . . . . . . .

5

Controlling the Fan Operation . . .

. . . . . . . . . . .

. . . . . . . . . . .

6

Controlling the Schedule

. . . . . . . . . . .

. . . . . . . . . . .

6

Schedule Screen

. . . . . . . . . . .

. .8

 

Options screen

9 .

. . . . . . . . . . .

 

Humidification

. . . . . . . . . . .

. . . . . . . . . . .

12

Dehumidification

. . . . . . . . . . .

. . . . . . . . . . .

13

Humiditrol® EDA Accessory . . . .

. . . . . . . . . . .

. . . . . . . . . . .

13

Temporary Temperature Change

14

. . .

 

Remote Outdoor Sensor

. . . . . . . . . . .

. . . . . . . . . . .

15

Memory Protection

. . . . . . . . . . .

. . . . . . . . . . .

15

 

 

506229−01

 

*2P0509*

*P506229-01*

Image 1
Contents ComfortSense 7000 Series ComfortSense 7000 Series Model L7742U Thermostat Touch Touch Screen DisplayHome Screen Home Screenemperature SettingsControlling the Heat/Cool Modes of Operation Faults, Errors, and Service InformationOperating Information Controlling the Schedule Controlling the Fan OperationFan Modes Fan ProgramProgramming Complexity Schedule tabFull WeekO 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 Display Info Options tabFor Contact INFO, select on or OFF then press Save FAN CirculateHumiditrol Adjust Humidity SettingCooling Limit Heating LimitBasic & Precision HumidificationHumidify OFFITY Settings press ENTER. Press the box below Dehumidify Accessory EDADehumidification Humiditrol Enhanced DehumidificationTemporary Temperature Changes schedule on Temporary Temperature ChangeOptional 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.