504, 684M | Lennox International Inc 81M27, 81M28, 81M26 specs

110-1052F 5/12/05 11:59 AM Page 28

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	504, 684M

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Lennox International Inc 81M27, 81M28, 81M26 user manual 504, 684M

Contents

81M26 81M27 81M28 Important Safety Information Do not USE with Commercial Equipment Table of Contents How do I change the time of day and day of the week? Menu How 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 AT Can 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 weekday SET Cool How do I copy one day’s program to another day? Monday Program What 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? What is the Dew Point Adjustment Function? What happens if the mode is set to OFF?Can I change the Humidifier Maintenance Service Intervals? What are the User settings? Or C Setpoint Temperature Clock SettingsNumber of Events PER DAY More Detailed Information on the User Settings Differential Settings Security Settings When would I need to change the User settings?Security Code What are the Installer settings? System Setup Installer settings Auxiliary HeatResidual Cool Balance Points Deadband Setpoint Energy Efficient RecoveryHumiditrol When would I need to change the Installer settings? Service Monitor MenuTemperature Offset Contact Information How 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? How do I know if the heating or cooling is on? What should I do if my power goes out?Who do I contact for more information? My energy bills are too high. Is there anything I can do? 504, 684M