Eldes EPIR2, Manual

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EPIR2 User Manual v.1.4
1.8. About the back-up battery and how to replace it
The back-up battery should last for at least two years. Its lifespan will largely depend on the sur-
rounding temperature and the frequency of disruptions to the mains power. During mains failure
the battery should power the system for up to twenty-four hours.
How to replace the battery:
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1. Unplug the power supply
from the mains electricity
socket.
2. Remove the EPIR2 from its
holder.
3. Unplug the power supply
connector.
1
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4. Remove the screw located
on the base of the unit.
5. Open the cover. 6. Carefully remove the
back-up battery.
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7. With one hand holding the
back-up battery, unplug
the battery connector.
8. Replace the battery with
the type specified in the
technical specifications.