Change Filter; Replace Batteries - Honeywell Home RTH2510 Series Owner's Manual

Change Filter

If the filter reminder is turned on
during installation, the words Change
Filter will flash on the screen when
the filter needs to be replaced.
After you replace the air filter, press
and hold the RUN button for 3 seconds
to reset the alert.
Battery Replacement
Install two fresh AAA batteries when
Lo Batt flashes on the screen. Lo
Batt appears for 60 days before the
batteries are depleted.
Replace batteries once a year, or
when you will be away for more than a
month.
Most settings are stored in non-
volatile (permanent) memory. Only the
clock and the day must be set after
you replace the batteries.
Set the System switch to Off before removing
the batteries. Otherwise, the heating/cooling
system could remain activated even when
batteries are removed.
Set
Hold
Run
Turn thermostat
over, insert fresh AAA
alkaline batteries, then
reinstall thermostat.
16
Change Filter – Press & Hold Run to Reset
6 : 30
75
Set
am
Pull at bottom to remove
thermostat from wallplate.
Not
W/
Aux Used
Set
Hold
Run
Heat Off Cool Heat Off Cool
Heat Off Cool Heat Off Cool
RTHXXXX
M33632
Fan Fan
Fan
Fan
Auto On Auto On
Auto On Auto On
M33592
M32707