ELRO HIS20S Security & home automation system EXPANDED USERS MANUAL - Manual (Page 55)

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removed).
Wall Switch
Under low battery conditions, when the button is
pressed, the LED will flash.
Under normal battery conditions the LED will illuminate
steadily as the button is pressed.
MAINTENANCE
Your Alarm System requires very little maintenance.
However, a few simple tasks will ensure its continued
reliability and operation.
SMART HOME BOX
The rechargeable batteries have a typical life of 3-4
years and need no maintenance during this period,
provided they are kept charged. The batteries will be
damaged if they are stored in a discharged state for
long periods.
DETECTORS AND REMOTE CONTROL
The Detectors require very little maintenance. The
batteries should be replaced once a year or when a low
battery status is indicated.
IMPORTANT: Should you, for any reason, have to
completely power-down the system (e.g. to move the
system to a new premises) first put the system into Test
mode before removing the Smart Home Box cover and
disconnecting the power supply and backup batteries.
BATTERIES
Before removing the battery cover on any device to
replace the battery, ensure that the system is put into
Test mode to avoid initiating an Alarm.
The specifications for replacement batteries are as
follows:
Remote Controls 1 x 3V CR2032 Lithium Cells
(or equivalent)
Magnetic Contact
Detectors
1 x 3.6V 1/2 AA Size Lithium
Cells (or equivalent)
PIR Detectors 1 x 3.6V 1/2 AA Size Lithium
Cells (or equivalent)
Wall Switch 1 x 12V 23A Size Battery (or
equivalent)
Note: Rechargeable batteries should NOT be fitted.
At the end of their useful life the batteries should be
disposed of via a suitable Recycling Centre. Do not
dispose of with your normal household waste. DO
NOT BURN.
The Rechargeable batteries contain Sulphuric Acid –
DO NOT ATTEMPT TO OPEN THE CASING.