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Alarm override switch
Self-contained smoke detector/alarm Cat. No. 0 405 17 has an alarm
override function:
• when the source of the smoke has been identified
• as a preventive measure before smoke is likely to occur
Example: smoke from a toaster, deep fat fryer, cigarette. The override is
automatically disabled after 10 min.
The self-contained smoke detector/alarm then reverts to its normal
operating mode. This allows you to ventilate the room without setting off
the alarm audible signal.
Overriding the alarm with
smoke present
1 - Smoke present:
- 1 red flash/1 sec
- alarm audible signal
2 - Press the Test button, the
alarm signal stops.
3 - The override is active for 10 minutes:
- 1 red flash/7 secs (if smoke present: 1 red flash/2 secs)
The smoke alarm is overridden for 10 min.
Resetting a self-contained smoke detector/alarm which is in override mode
Override mode can be cancelled before the 10 minutes are up.
1 - Smoke alarm in
override mode:
1 red flash/7 secs
if smoke present.
Overriding the alarm before smoke is
present
1 - Before smoke is present:
- Smoke alarm in standby state
- 1 red flash/50 secs
2 - Now hold down the Test button for
2 seconds. After the test audible
signal, 3 short beeps confirm override
mode.
2 - Press the Test button,
2 short beeps cancel
override mode.
7
3 - Returning the
self-contained smoke
detector/alarm to
standby state:
1 red flash approx.
every 50 secs.
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