CERBERUS® AlgoRex Installation guidelines for fire detection systems collective, interactive, AnalogPLUS Planning and realization Specific national regulations are not integrated in this document Fire & Security Products Siemens Building Technologies Group
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Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 1.1 1.2 1.3 Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wiring and planning symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic wiring layout of a fire detection system . . . . . . . . . . . . . . . . . . . . . . . . . .
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Scope These planning instructions serve to ensure correct planning, installation and commissioning of Fire Detection Systems (FDS). As a general rule, local national installation regulations must be complied with providing they do not impair the reliable operation of the fire detection system. They are not listed here.
1 Planning 1.1 Wiring and planning symbols 1.1.1 Symbols Symbol Ø 0,8 6 Fig. 1 Symbol Fig. 2 Designation Symbol Designation Line, with cross-section Cable loop box (without terminals) Line indicating number of wires Distribution box Line indicating larger number of wires Main distributor Shielded line Fuse Wiring symbols Designation Symbol Designation Fire detector general Visual, audible alarm device (Model ...) Smoke detector Audible alarm device (Model ...
1.1.2 Conceptions and abbreviations CT Operating terminal DC1134 Control module DC1135 Branching module (with max.
1.2 Basic wiring layout of a fire detection system Detection line ~ Fire control installation Alarm device line Line to control and indication terminal FDC CC/CI... Control unit CC/CI.. Door magnet line Mains supply Fuse ~ 110...240VAC CT.. Door magnet line Line to remote transmission system for alarms and faults Extra-low voltage 16...30VDC Fig. 3 Low voltage 110...240VAC Basic fire detection system layout 4 Fire & Security Products Siemens Building Technologies Group e1453b 12.
1.3 Fire detection system line network 1.3.1 Separate line network The fire detection system must be basically operated via a separate line network. The common use of a main cable (e.g. PTT) is not recommended. Never use low voltages and extra low voltages in the same main cable. 1.3.2 Design According to block diagram. Maintain separation of low voltage and extra low voltage cables. 1.3.3 Wiring material Basically, standard telephone and extra low voltage installation material can be used.
1.3.7 «Collective» detection lines «Collective» detection lines can only be installed as stub lines. According to the type of control unit or regulations, 20...32 fire detectors can be connected per stub line. New systems: Twisted cable, in exceptional cases with very powerful electromagnetic influence shielded and twisted. Existing systems: Single and parallel conductors are permissible. Line resistances and line capacitances see document e1508 «Connection factors, line resistances and capacitances».
Ground floor (HB) (HB) L7 L6 FDC FDC (HB) (HD) (HD) (HD) FDC DC1192 ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ 24V SB Ex (HD) (HD) L5 FDC (HD) FDC (HD) (HD) (HD) FDC L8 FDC L4 Detection line (HD) false ceiling Response indicator line (HB) raised floor Fig. 5 FDC Fire detection system control unit Collective wiring 7 Fire & Security Products Siemens Building Technologies Group e1453b 12.
1.3.8 AnalogPLUS detection lines AnalogPLUS detection lines can be installed as stub or loop lines. A maximum of 128 fire detectors may be connected to a loop line and a maximum of 32 fire detectors may be connected to a stub line. A DC1135 T-branch module is required for branch lines from the loop. Up to 20 fire detectors can be connected to the DC1135 per stub line. New systems: Twisted cable. With very powerful EMI shielded and twisted. Existing systems: Single and parallel conductors are permissible.
Ground floor (HB) (HB) DC1135 (HB) (HD) (HD) (HD) ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ 24V DC1192 SB Ex (HD) (HD) L2 FDC (HD) (HD) (HD) (HD) FDC L2 Loop line (HD) false ceiling Stub line (HB) raised floor Fig. 7 FDC Fire detection system control unit AnalogPLUS wiring 9 Fire & Security Products Siemens Building Technologies Group e1453b 12.
1.3.9 «Interactive» detection lines «Interactive» detection lines can be installed as stub or loop lines. According to equipment configuration, a maximum of 100 or 128 fire detectors can be connected to a loop line and a maximum of 32 fire detectors can be connected to a stub line (regulations). Branch lines can be connected to the detector bus direct. New systems: Twisted cable, minimum 7 turns per metre. With powerful EMI: Twisted cable, minimum 10 turns per metre.
Ground floor (HB) (HB) (HB) (HD) (HD) (HD) ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ ÈÈÈ 24V DC1192 SB Ex (HD) (HD) L2 FDC (HD) (HD) (HD) (HD) FDC L2 Loop line (HD) false ceiling Stub line (HB) raised floor Fig. 9 FDC Fire detection system control unit Interactive wiring 11 Fire & Security Products Siemens Building Technologies Group e1453b 12.
1.3.10 Alarm devices Twisted cables, note max. permissible voltage drop: Approximately max. 10%. 1.3.11 Terminals Separately installed terminals to the control unit according to control unit specifications. 1.3.12 Mains / fire control installations with low voltage Standard installation cable, as required by country concerned. Cable fed into equipment as well as internal wiring must be in compliance with the installation documents for the equipment (cable separation). 1.3.
2 Installation 2.1 General 2.1.1 Responsibility The planning engineer is responsible for the correct installation of the fire detection system. He is responsible for positioning equipment correctly and preparing the necessary documentation. The electrician is responsible for the line network and the wiring up of the equipment as well as the permanent mounting of devices. 2.1.2 Storage of equipment on site The installer is responsible for the storage and safety of equipment.
2.2 Installing the equipment 2.2.1 Mounting Equipment must be solidly mounted. When detectors are inserted, detector bases are subject to pushing, pulling and shearing stress and must be mounted accordingly. There must be at least 50cm free space beneath the detector for test purposes. Detector bases must lie flat on the ceiling (do not mount on bumps or hollows, concrete ridges etc.). Concrete ridge Fig.
2.2.2 Cable entry Cables must be fed tightly through the rubber membrane in the base in order to prevent condensation and air penetrating to the base/detector. Air «rinsing» arises due to differences in pressure in different rooms caused by air conditioning and ventilation systems. Pressure compensation also arises through the cable conduit which to some extent causes powerful air currents behind the base. This prevents smoke from properly entering the detector. Recess box Air current Smoke Fig.
2.2.3 Wiring for damp environments Equipment which is mounted in damp rooms must be provided with special cable entries (screwed cable glands). Suitable adapter bases are available for this purpose. Example: ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍ Fig. 14 Water-tight cable entry using adapter base and screwed cable gland 2.2.4 Line terminal The DS11 base contains spring terminals.
2.3 Wiring check 2.3.1 Test equipment No electronic elements should be connected to the line when a system is being wired. The line can then be tested with a universal instrument with ohmmeter or with a buzzer. However, as this procedure cannot detect double reversed polarity, the DZB1191 base tester has been produced. 2.3.2 Wiring check Pos. n Pos. 1 The following procedure using the DZB1191 base tester is recommended: Pos. 2 DZB1191 Fig.
3 Commissioning Commissioning marks the conclusion of the installation activities of a fire detection system. The commissioning procedure is indicated in the corresponding control unit /terminal documentation. 4 System documentation A complete, up-to-date set of documents must be provided for each correctly installed system with corresponding system disk. For subsequent extensions, the resistance and capacitance values for the detection lines must be recorded in system documentation.
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Siemens Building Technologies AG Alte Landstrasse 411 CHC8708 Männedorf Tel. +41 1 − 922 61 11 Fax +41 1 − 922 64 50 www.cerberus.ch 20 Fire & Document Security Products no. e1453b Siemens Building Technologies Group Edition 12.2001 Manual DS11 Section 10 Back 12.
