ICONS AND FEATURES
1.INDIGLO®
(If no button is pressed after 5 seconds, the backlight will turn off.)
Note: If the thermostat shows a Low Battery Warning, the backlight will not operate. Follow the instructions on pages
2.Filter change indicator - will flash after 400 hours of system use as a reminder to check or change your filter. Press and hold the Filter button for 3 seconds after changing the filter to reset the filter timer.
(Pressing the Filter button for less than 3 seconds will cause the Filter change indicator icon to appear. The filter timer will not be affected unless the button is held for more than 3 seconds.)
Note: Clearing the Filter counter will also clear the Energy counter. See pages
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