Filtrete 3M-22 Operation Manual page 5

To set SWING rate:
• Press SWING (under the
• Press the +/- buttons to select the desired swing from 0.5° to 2.0° F.
The HVAC cycling rate will be more at .5°F and less at 2°F. Default is 1°F
• Press to store your settings.
F
Set - Press both
C
FILTER
CHECK FILTER ALERT
The 3M-22 is programmed to remind you when the HVAC air filter needs changing. It is set to remind
you every 90 days. The Check Filter indicator blinks when your filter limit is reached.
To change the time of this reminder:
• Press FILTER (under the
• Press to clear accumulated days. Press
• Hold FILTER for 2 seconds to set filter limit with +/- buttons Filter DAYS are displayed on screen.
• Press to store your settings.
icon).
to toggle between o F to o C .
icon) to show filter usage to date.
arrow to restore accumulated days.
5
PG