Lennox International Inc 81M28, 81M27, 81M26 user manual Table of Contents

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110-1052F 5/12/05 11:59 AM Page 3

TABLE OF CONTENTS

 

 

How do I change the time of day and day of the week?

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4

How do I turn on the heating or cooling cycles?

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5

How do I cycle the fan?

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6

How does INTERMITTENT FAN work?

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6

How do I temporarily change the temperature?

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7

Can I set a temporary adjustment for longer than 3 hours?

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8

Can I set the thermostat to hold one temperature indefinitely?

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9

How do I return to the Program Mode after being in HOLD?

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9

How do I set the Vacation Mode?

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How do I program my thermostat?

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How do I copy one day’s program to another day?

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What is an event?

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How do I know what program is right for me?

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How do I set the Humidify Levels?

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How do I set the Dehumidify Levels?

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What is the difference between Basic and Precision modes?

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What happens if the mode is set to OFF?

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What is the difference between Basic and Basic/DP?

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What is the Dew Point Adjustment function?

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Can I change the humidifier maintenance service interval?

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What are the USER settings?

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Detailed Information on the USER SETTINGS (Or what do these USER SETTINGS do?)

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When would I need to change the USER settings?

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What are the INSTALLER settings?

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When would I need to change the INSTALLER settings?

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How does Energy Efficient Recovery™ (EER™) work?

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How does my remote outdoor sensor work?

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Where should I install a remote outdoor sensor?

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What do the lights below the display mean?

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What should I do if my power goes out?

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How do I reset the thermostat program to factory conditions?

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How do I know if the heating or cooling is on?

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Who do I contact for more information?

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My energy bills are too high. Is there anything I can do?

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