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Filter Monitor
Your thermostat also keeps a record of the number of hours your filter has been in use. To maximize your system’s
performance and energy efficiency, change or clean your filter regularly.
■ When the total system run time for heat and cool
reaches 400 hours, FILTER will flash on the LCD
display to remind you to clean or change your
system’s filter. FILTER will continue to flash until
the counter is set back to zero.
■ Press to review total filter usage. The display will
blink FILTER ,then show the Filter Monitor counter.
After 15 seconds, the display will return to normal
mode, or you can hit RETURN to exit immediately.
The Filter Monitor will display up to 999 hours and
59 minutes of usage.
In this example, the counter is at 410 Hours,
26 minutes.
■ To reset the Filter Monitor counter, depress FILTER
for 3 seconds. The display will blink, and the counter
will be reset to zero.
NOTE:
Clearing the Filter Monitor counter will also clear ALL Energy Monitor counters, as Filter
usage and Total Energy usage are the same. Also, clearing the Energy Monitor counters will
clear the Filter Monitor counter as well.
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