Battery Replacement - Honeywell RTH2300 series Operating Manual

Operating Manual

Battery replacement

About your new thermostat
Pull at bottom to
remove thermostat
from wallplate.
Turn thermostat over,
insert fresh AAA alkaline
batteries, then reinstall
thermostat.
RTHXXXX
M32707
69-2605ES—02
69-2605ES_A.indd 16
Install two fresh AAA batteries when
Lo Batt flashes on the screen. Lo
Batt appears for 60 days before the
batteries are depleted.
W/ Not
Aux Used
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
Fan
Heat Off Cool Auto On
M32705
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.
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