Honeywell FocusPro TH5320R Operating Manual page 14

Operating Manual
Battery replacement (outdoor air sensor)
M28443
Remove cover and
install 2 fresh AA
lithium batteries
69-2094EFS—05
Remove sensor
from bracket
MCR28444 MCR28444
Replace outdoor air sensor batteries when
REPLACE BATTERY OUTDOOR
the
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.
12
warning