Lennox International Inc 81M28, 81M27 How do I cycle the fan?, How does Intermittent FAN work?

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How do I cycle the fan?

MONDAY

3:29 PM

COOL 78 FAN AUTO SET AT 78

From the main screen press MENU.

HOLD TEMP

MENU

MENU

PROGRAM

HEAT / COOL

DAY / TIME

FAN

Use the UP or DOWN buttons until FAN is highlighted. Press SELECT.

MORE

HOME

SELECT

FAN MENU

FAN SETTINGS

Use the UP or DOWN buttons to highlight FAN settings. Press SELECT.

FAN PROGRAM

MAIN MENU

FAN SETTINGS

ON

SELECT AUTO

INTERMITTENT

MAIN MENU

SELECT

Three choices are available:

ON will turn the fan on continuously. AUTO will turn the fan on only when there is a call for heating

or cooling.

INTERMITTENT will turn the fan on for a set period of time for a

			INTERMITTENT FAN

	ON		TIME	5 MIN
	OFF		TIME	20 MIN
	FAN MENU			SELECT

How does INTERMITTENT FAN work?	given interval. Highlight the choice
INTERMITTENT will turn the fan on for a set period of time for a	you desire and press SELECT.

given interval when the heating or cooling equipment is idle.

The thermostat will cycle the fan on for the set ON cycle. The fan will remain off for the set OFF cycle.

If the HVAC system runs for a longer period than the ON cycle, the OFF cycle will start counting over again when the system shuts off.

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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?What happens if the mode is set to OFF? What is the Dew Point Adjustment Function?Can I change the Humidifier Maintenance Service Intervals? What are the User settings? Or CClock Settings Setpoint TemperatureNumber of Events PER DAY More Detailed Information on the User Settings Differential SettingsWhen would I need to change the User settings? Security SettingsSecurity Code What are the Installer settings? System SetupResidual Cool Installer settingsAuxiliary Heat Balance PointsEnergy Efficient Recovery Deadband SetpointHumiditrol Temperature Offset When would I need to change the Installer settings?Service Monitor Menu Contact InformationHow does my remote outdoor sensor work? How does Energy Efficient Recovery EER work?Where should I install a remote outdoor sensor? What do the lights below the display mean?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