e1973c-3
02.2004
16
Fire & Security Products
Siemens Building Technologies Group
SPECIAL Alarm Concept
Purpose and principle
To prevent the unnecessary turn out of the fire department for minor incidents a SPECIAL Alarm
Concept was developed.
It involves operating personnel in the alarming sequence and relies on two operating states:
“unmanned” mode while the operating personnel is not present on the premises.
“manned” mode while the operating personnel is present on the premises.
“unmanned” mode
When the system operates in “unmanned” mode, the fire brigade is called immediately when an
alarm signal is issued.
“manned” mode
When the system operates in “manned” mode, manual call points and automatic detectors trig-
ger different actions in the event of an alarm:
Event
Action
Manual call point is actuated The fire brigade is summoned immediately.
Automatic fire detector responds The fire brigade is summoned only after a preprogrammed
time in which the operating personnel performs following
alarm response procedure:
1. Confirm the alarm within the alarm acknowledgement time
V1 (press the Acknowledge key).
2. Read the alarm locations on the text display.
3. Go to these locations immediately.
4. Decide at the face whether this is an emergency or a minor
incident.
Emergency
"
Actuate the nearest manual call point immediately!
or
"
Press the Alarm delay off key on the control console!
The fire brigade is summoned immediately.
Minor incident Reset the system before expiration of the alarm investigation
time V2 by pressing the Reset key.
The system is in the normal operation mode again.
i
The times V1 and V2 are only relevant, when the remote transmission is installed.
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