Siemens OH720 - Default Chapter; Table of Contents

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Building Technologies
A6V10212047_m_en_--
Fire Safety
2015-05-04
Table of contents
1 About this document ................................................................................... 5
1.1 Applicable documents ..................................................................................... 7
1.2 Download center ............................................................................................. 7
1.3 Technical terms ............................................................................................... 7
1.4 History of changes........................................................................................... 8
2 Safety ....................................................................................................... 10
2.1 Safety instructions ......................................................................................... 10
2.2 Safety regulations for the method of operation ............................................. 12
2.3 Standards and directives complied with ........................................................ 14
2.4 Release Notes ............................................................................................... 14
3 Structure and function ............................................................................... 15
3.1 Overview ....................................................................................................... 15
3.1.1 Details for ordering ........................................................................ 15
3.1.2 Product version ES ........................................................................ 16
3.2 Point detector ................................................................................................ 17
3.2.1 Multi-sensor smoke detector .......................................................... 17
3.2.2 Smoke detector .............................................................................. 18
3.2.3 Heat detector ................................................................................. 19
3.3 Function ......................................................................................................... 20
3.3.1 Parameter sets............................................................................... 20
3.3.2 Danger levels ................................................................................. 20
3.3.3 Diagnosis levels ............................................................................. 20
3.3.4 Line separator ................................................................................ 21
3.3.5 Internal alarm indicator in the case of ES <10 ............................... 21
3.3.6 Extended flashing behavior of alarm indicators in the case of
ES ≥10 ........................................................................................... 22
3.3.7 Connection for external alarm indicators ....................................... 23
3.3.8 Test mode ...................................................................................... 23
3.3.9 Behavior in degraded mode ........................................................... 24
3.3.10 Line tester ...................................................................................... 24
3.4 Mechanical setup .......................................................................................... 25
3.5 Accessories ................................................................................................... 26
3.5.1 Detector base with loop contact DB721 ........................................ 26
3.5.2 Detector base DB722 .................................................................... 26
3.5.3 Detector base DB720 .................................................................... 27
3.5.4 Sounder base DBS720 .................................................................. 27
3.5.5 Designation plate FDBZ291 ........................................................... 27
3.5.6 Detector base seal RS720 ............................................................. 27
3.5.7 Base attachment BA720 ................................................................ 28
3.5.8 Base attachment wet BA721 ......................................................... 28
3.5.9 Designation plate DBZ1193A ........................................................ 28
3.5.10 Detector heating unit FDBH291 ..................................................... 28