Operating Manual
69-2263EFS—01 8 570-211
ENGLISH
Batteries are optional (to provide backup
power) if your thermostat was wired to run on
AC power when installed.
Install fresh batteries immediately when the
warning begins flashing. The warn-
ing flashes about two months before the bat-
teries 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.
Batteries provide backup power to the display
during power interruptions. All settings are
permanently stored in memory, and do not
require battery power.
Battery Replacement
Insert fresh alkaline batteries.
P330-0110–AAA alkaline batteries.
P330-0220–AA alkaline batteries.
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