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

Models: 81M26 81M27 81M28

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How do I cycle the fan?

110-1052F 5/12/05 11:59 AM Page 6

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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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Lennox International Inc 81M28, 81M27, 81M26 user manual How do I cycle the fan?, How does INTERMITTENT FAN work?