Operation Manual

PRO TH4110B Programmable Thermostat
15
Battery replacement
Install fresh batteries immediately
when the
RREEPPLLAACCEE BBAATTTT
warning begins
flashing.The warning flashes about
two months before the batteries are
depleted.
Even if the warning does not appear,
you should replace batteries once a
year, or before leaving home for more
than a month.
If batteries are inserted within 1
minute, the time and day will not have
to be reset. All other settings are
permanently stored in memory, and
do not require battery power.
Grasp and pull to
remove thermostat
Turn thermostat over,
insert fresh AA alkaline
batteries, then reinstall
thermostat