resideo FocusPro TH6320R Manuel D'utilisation page 19

Battery replacement (outdoor air sensor)
Remove sensor
from bracket
M28443
Remove cover and
install 2 fresh AA
lithium batteries
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Replace outdoor sensor batteries when the
REPLACE BATTERY OUTDOOR warning begins
flashing on 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.
17
MCR28444
69-2093EFS—11