Mitsubishi Electric MRCH1 Manuel D'utilisation page 32

Operating Manual
Battery replacement (outdoor air sensor)
Remove sensor
from bracket
M28443A
Remove cover and
install 2 fresh AA
lithium batteries
69-2427EFS—01
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Replace outdoor sensor batteries when
the "Replace Battery Outdoor" warning
begins flashing on the remote controller. 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
batteries.
After batteries are installed, the sensor will
automatically restore communication with the
wireless network within a few minutes.
M28444 M28444
30
lithium