Operations
72.7I.70.
Your thermostat also keeps a record of the
number of hours your filter has been in use.
To maximize energy efficienty, change or
clean your filter regularly.
To help you remember, at 500 hours, the
word “FILTER” will appear on the display,
reminding you to change the filter and reset
the counter back to zero. The “FILTER” will
continue to display if the counter is not set
back to zero.
Filter review will display up to 999 hours
and 59 minutes of usage. Counter will start
from zero after 999 hours and 59 minutes
of usage.
To reset filter
counter back
to zero.
Press and
Hold for
3 to 4
Seconds
Press for
2 Seconds
or Less
Using the Filter Review Feature
■Indicates the usage of filter or total
usage in hours and minutes. For
example, 145 hours and 38 minutes.
(If held for more than 2 seconds, the
counter will reset to zer o.)
M T W TH F SA SU
SET TEMP HOLD TEMP
8I:45 38
c
AM
PM
HEAT COOL
1234
FILTER LO BAT
■Back to normal display of time and
temperature.
■Auto-return after 10 seconds if no
key is pressed.
M T W TH F SA SU
SET TEMP HOLD TEMP
89:I5 72
c
AM
PM
HEAT COOL
1234
FILTER LO BAT
FILTER
RETURN
■Indicates the usage of filter or total
usage in hours.
M T W TH F SA SU
SET TEMP HOLD TEMP
8I:45 38
c
AM
PM
HEAT COOL
1234
FILTER LO BAT
FILTER
■The counter will reset to zero.
■When released, returns to current
time and temperature.
M T W TH F SA SU
SET TEMP HOLD TEMP
80:00 00
c
AM
PM
HEAT COOL
1234
FILTER LO BAT