Lennox International Inc 81M26 When would I need to change the User settings?, Security Settings

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More Detailed Information on the USER SETTINGS

SECURITY

CHANGE TEMP. ONLY PREVENT ALL CHANGES

USER MENU

SELECT

ENTER SECURITY CODE

FOR TEMPERATURE

0 0 0 0

USER MENU

SELECT

SECURITY SETTINGS

In order to prevent tampering with the program and your desired settings, two levels of security are available.The first will allow only temporary changes to the temperature. It protects all other pro- grammed setpoints. The second will restrict changes to EVERYTHING, including temporary changes to the temperature.

SECURITY CODE

In this screen you enter a four-digit code. Use the UP or DOWN button to change the first value, press SELECT. The second digit will be highlighted. Repeat for all four values. And don’t forget your code. If you do, you will have to reset the entire thermostat and that will erase all the schedules you’ve programmed into the unit.

NOTE: After entering the security code to unlock the thermostat, the code will need to be re-entered to secure the thermostat after changes are made.

When would I need to change the USER settings?

About the only features you may need to change are the temperature differentials (if you desire additional comfort) and the security settings. All the other settings probably will not need to be changed.

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Contents 81M26 81M27 81M28 Important Safety Information Do not USE with Commercial EquipmentTable of Contents How do I change the time of day and day of the week? MenuHow do I turn on the heating or cooling cycles? How do I cycle the fan? How does Intermittent FAN work?How do I temporarily change the temperature? SET Temperature ATCan I set a temporary adjustment for longer than 3 hours? 70 ˚How do I return to the Program Mode after being in HOLD? 70 ˚70˚ How do I set the Vacation Mode?How do I program my thermostat? Day to be set the same. MON-FRI allows for weekdaySET Cool How do I copy one day’s program to another day? Monday ProgramWhat is an event? How do I know what program is right for me?What is the difference between Basic and Precision modes? How do I set the Dehumidify Levels?Can I change the Humidifier Maintenance Service Intervals? What happens if the mode is set to OFF?What is the Dew Point Adjustment Function? What are the User settings? Or CNumber of Events PER DAY Clock SettingsSetpoint Temperature More Detailed Information on the User Settings Differential SettingsSecurity Code When would I need to change the User settings?Security Settings What are the Installer settings? System SetupInstaller settings Auxiliary HeatResidual Cool Balance PointsHumiditrol Energy Efficient RecoveryDeadband Setpoint When would I need to change the Installer settings? Service Monitor MenuTemperature Offset Contact InformationHow does Energy Efficient Recovery EER work? Where should I install a remote outdoor sensor?How does my remote outdoor sensor work? What do the lights below the display mean?Who do I contact for more information? What should I do if my power goes out?How do I know if the heating or cooling is on? My energy bills are too high. Is there anything I can do? 504, 684M