To turn the fan of a Lennox air conditioner on high, locate the thermostat, find the fan setting on the thermostat screen and change the setting. This process takes approximately 3 minutes and requires access to the thermostat.
- Access the thermostat
Locate the thermostat in the area being cooled. If the thermostat is locked inside a box, obtain the key and open the box.
- Locate the fan setting
Find the fan setting on the thermostat control screen. This setting will be separate from the temperature control.
- Change the fan setting
Touch the appropriate control on the screen to accomplish the desired fan setting.