Siemens OP720 - Smoke Detector

2BStructure and function
17BPoint detector
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Building Technologies
A6V10212047_m_en_--
Fire Safety
2015-05-04
3.2.2 Smoke detector
The wide-spectrum smoke detector OP720 is an optical smoke detector with an
optical sensor.
Structure and function
1 Labyrinth 3 Optical receiver
2 Optical transmitter
The wide-spectrum smoke detector has the same measuring chamber as the multi-
sensor smoke detector.
The smoke detector OP720 addresses itself automatically when the control panel
is first switched on, thus enabling individual identification in the event of an alarm.
If a short-circuit occurs, the defective part on the detector line is located by the
control panel and isolated between two detectors. In addition, a loop line
installation ensures an optimum level of safety.
The smoke detector OP720 has two parameter sets: 'Standard' and 'Sensitive'.
See also
 Smoke detector [➙ 32]
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