Proline IP220 Manuel D'instructions page 8

Installing a Battery in the Remote
To install or replace the battery:
1 Pull the battery tray out of the remote.
2 If you are replacing the battery, remove the old battery and
dispose of it properly. Note the orientation of the + and - sides of
the battery.
3 Insert the new battery into the battery tray, the same way the old
battery was placed.
4 Close the battery tray.
7
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Warning
There is danger of an explosion if you replace the battery
incorrectly. Replace only with the same or equivalent battery.
CR2025
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