User Manual

RTH111
9 69-2603EF—01
RTHXXXX
M32707
W/
Aux
Not
Used
M32757
Heat Off Cool Auto On
Fan
Battery replacement
Install two fresh AAA batteries when
Lo Batt flashes on the screen. Lo Batt
appears for 60 days before the batter-
ies are depleted.
Replace batteries once a year, or
when you will be away for more than a
month.
The settings are stored in non-volatile
(permanent) memory and are thus pre-
served when the thermostat is without
batteries.
SettheSystemswitchtoOffbeforeremovingthe
batteries.Otherwise,theheating/coolingsystemcould
remain activated even when batteries are removed.
Pull at bottom to
remove thermostat
from wallplate.
Turn thermostat over,
insert fresh AAA alkaline
batteries, then reinstall
thermostat.