Operating Manual
69-2094EFS—05 12
MCR28444
MCR28444
M28443
Battery replacement (outdoor air sensor)
Replace outdoor air sensor batteries when
the
REPLACE BATTERY OUTDOOR
warning
begins flashing on the the thermostat. The
warning flashes about two months before
the batteries are depleted.
Remove the sensor from the bracket,
remove the cover and install 2 fresh AA
lithium batteries.
After batteries are installed, the sensor will
automatically restore communication with
the wireless network within a few minutes.
Remove sensor
from bracket
Remove cover and
install 2 fresh AA
lithium batteries