Operation instructions
Adesys bv, Wateringen, NL
22 Octalarm-T2 / T4 / T8 / T16
12. MAINS FAILURE
The Octalarm is equipped with a built-in, maintenance free standby battery. This keeps the Octalarm
functioning in case of a mains failure.
12.1 Mains failure report
The Octalarm will report a mains failure through an acoustic signal and/or by telephone using an
especially reserved internal reporting channel. For the report codes being used, see paragraph 4.3
“Alarm channels and report codes”.
12.2 Battery empty report
In case the battery is almost run down during a mains failure, this will be reported through an acoustic
signal and/or by telephone using the "battery empty" channel. For the report codes being used, see
paragraph 4.3 “ Alarm channels and report codes”.
12.3 Back up supply
During a mains failure, the period that can be backed up with the built-in battery strongly depends on
the operation mode and the external signal devices. In general, a new battery obtains a back up
supply of:
•
approximately 15 hours in standby mode
•
approximately 10 hours in case of a continuous acoustic alarm through the built-in buzzer.
•
approximately 3,5 hours in case of a continuous acoustic alarm through the built-in buzzer and the
external connected signal devices.
12.4 Automatic battery test
During normal use, the battery will be recharged continuously to its maximum level.
The battery performance is tested automatically every month. In case the battery does not dispose of
sufficient capacity during the test (less than 30% of the original capacity), the red indicator "battery
empty" will light up and the message "battery failure" appears on the display. The internal buzzer will
be activated and a telephone report using the "battery empty" channel will be issued as well.
The Octalarm will continue to function during the battery test.
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