Eldes EPIR3 - About the Back-Up Battery and How to Replace It

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EPIR3 User Manual v1.3
2.9. 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 surrounding tempe-
rature 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. Slide the EPIR3 up. 3. Remove the EPIR3 from its
holder.
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OPEN
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OPEN
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3. Unplug the power supply
connector.
4. Remove the front cover of the device (containing the detector lens)
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