Siemens FDA241 Planning, Mounting
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Siemens FDA241 Planning, Mounting

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ASD Pipe System
FDA241, FDA221
Planning
Mounting
A6V10334435_g_en_--
2017-09-12
Building Technologies
Control Products and Systems

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  • Page 1 ASD Pipe System FDA241, FDA221 Planning Mounting Building Technologies A6V10334435_g_en_-- 2017-09-12 Control Products and Systems...
  • Page 2 Issued by: Siemens Switzerland Ltd. Building Technologies Division International Headquarters Gubelstrasse 22 CH-6301 Zug Tel. +41 58 724-2424 www.siemens.com/buildingtechnologies Edition: 2017-09-12 Document ID: A6V10334435_g_en_-- © Siemens Switzerland Ltd, 2011 2 | 56 Building Technologies A6V10334435_g_en_-- Fire Safety 2017-09-12...

  • Page 3: Table Of Contents

    Table of contents About this document ................5 Technical terms ..................7 Applicable documents ................. 7 Revision history ..................8 Safety ....................9 Safety instructions ..................9 Safety regulations for the method of operation ...........11 Standards and directives complied with............13 Release Notes ...................13 System description ................
  • Page 4 Planning ....................31 Planning steps ................... 31 Site survey ....................32 Calculating the details of the pipe system........... 32 Designing the pipe system ................. 33 Planning a pipe system for aspirating smoke detectors ......33 Application of standards for conventional detectors ........34 Network for monitored area................

  • Page 5: About This Document

    Technical terms 1 About this document Goal and purpose This document contains information about planning and installing the pipe system for the following Siemens aspirating smoke detectors: FDA241 FDA221 You will find information about installing, configuring and commissioning the detector in the technical manual for the aspirating smoke detector. See the chapter 'Applicable documents [ 7]'.
  • Page 6 About this document Technical terms Source language and reference document The source/original language of this document is German (de). The reference version of this document is the international version in English. The international version is not localized. Document identification The document ID is structured as follows: ID code Examples ID_ModificationIndex_Language_COUNTRY...

  • Page 7: Technical Terms

    User Manual 'ASD Asyst Tool FXS2055' A6V10728226 User Manual 'ASD Asyst Tool V2 FXS2056' A6V10345654 Installation, Mounting Aspirating Smoke Detectors FDA241, FDA221 A6V10334410 Technical manual Aspirating smoke detector FDA241, FDA221 A6V10877841 Installation ASD Filterbox FDAZ292 7 | 56 A6V10334435_g_en_-- Building Technologies...

  • Page 8: Revision History

    About this document Revision history 1.3 Revision history The reference document's version applies to all languages into which the reference document is translated. The first edition of a language version or a country variant may, for example, be version 'd' instead of 'a' if the reference document is already this version. The table below shows this document's revision history: Edition date Brief description...

  • Page 9: Safety

    Safety Safety instructions 2 Safety 2.1 Safety instructions The safety notices must be observed in order to protect people and property. The safety notices in this document contain the following elements: Symbol for danger Signal word Nature and origin of the danger Consequences if the danger occurs Measures or prohibitions for danger avoidance Symbol for danger...
  • Page 10 Safety Safety instructions How risk of injury is presented Information about the risk of injury is shown as follows: WARNING Nature and origin of the danger Consequences if the danger occurs Measures / prohibitions for danger avoidance How possible damage to property is presented Information about possible damage to property is shown as follows: NOTICE Nature and origin of the danger...

  • Page 11: Safety Regulations For The Method Of Operation

    2.2 Safety regulations for the method of operation National standards, regulations and legislation Siemens products are developed and produced in compliance with the relevant European and international safety standards. Should additional national or local safety standards or legislation concerning the planning, mounting, installation,...
  • Page 12 Modifications to the system and to individual products may lead to faults, malfunctioning and safety risks. Written confirmation must be obtained from Siemens and the corresponding safety bodies for modifications or additions. Modules and spare parts Components and spare parts must comply with the technical specifications defined by Siemens.

  • Page 13: Standards And Directives Complied With

    Personal injury or damage to property caused by poor maintenance or lack of maintenance 2.3 Standards and directives complied with A list of the standards and directives complied with is available from your Siemens contact. 2.4 Release Notes Limitations to the configuration or use of devices in a fire detection installation with a particular firmware version are possible.

  • Page 14: System Description

    System description Release Notes 3 System description Aspirating smoke detectors are used for early detection of smoke-generating fires in rooms and equipment. They are especially suited to applications in which point detectors are pushed to their limits, cannot be used or can only be used with restrictions.
  • Page 15 System description Release Notes Prerequisites for planning the pipe system In order for a pipe system to be successfully planned, the following requirements must first be met: The planner must be familiar with the local fire protection regulations and guidelines. A floor plan of the building in which the pipe system is to be installed must be available.
  • Page 16 System description Release Notes Connection of external devices Various external devices can be connected to the aspirating smoke detector: Figure 1: Aspirating smoke detector in standalone operation Aspirating smoke detector PC with 'FXS2051 ASD Configuration Tool' External power unit with battery External control/indicator (optional) Blowing-out unit (optional) External button (optional)
  • Page 17 – When using aspirating smoke detector FDA221: up to max. 500 m² – When using aspirating smoke detector FDA241: up to max. 800 m² Geometry of the coverage area (e.g., shape of room, projections on the wall, false ceilings) The table below schematically shows different topologies:...

  • Page 18: Air Aspiration Variants

    System description Air aspiration variants 3.1 Air aspiration variants Standard pipe system – Takes in air below the ceiling – Takes in air from false floors/false ceilings – Takes in air from above and from cabinets [ Capillary tubes – Takes in air from areas that are not in direct contact with the pipe system Primary air intake –...

  • Page 19: Typical Installation In False Floors Or Channels

    System description Air aspiration variants 3.1.3 Typical installation in false floors or channels The air is usually sucked through a pipe system. For this purpose, pipes with aspirating holes are secured in a false floor or channel. Secured to existing components Upright stand pipes Plastic brackets on holders See also...

  • Page 20: Air Aspiration Via Capillary Tubes

    System description Air aspiration variants 3.1.4 Air aspiration via capillary tubes The aspirating hole can be connected to the monitored room by a capillary tube. This allows air aspiration in parts of the coverage area that are not in direct contact with the pipe system.

  • Page 21: Primary And Secondary Air Intake

    System description Air aspiration variants 3.1.5 Primary and secondary air intake Primary air intake In the case of rooms with an air conditioning unit or ventilation system (4), the primary air intake (1) is located at the suction point (3) or the suction channel. This enables rapid smoke detection.

  • Page 22: Room Protection

    System description Room protection 3.2 Room protection To monitor rooms, the pipe system is laid in the room in the topology suitable for the application. The aim is to continually monitor a large area. Figure 3: Room protection with two aspirating smoke detectors Aspirating smoke detector with pipe Aspirating smoke detector with pipe system on the ceiling...

  • Page 23: Air Aspiration System

    System description Air aspiration system 3.3 Air aspiration system Example pipe system for air aspiration Figure 4: Pipe system 1 Monitored room 4 Aspirating smoke detector 2 Pipes and fittings 5 Outlet line as return line (optional) 3 Hose 6 Outlet line (optional) 23 | 56 A6V10334435_g_en_-- Building Technologies...

  • Page 24: Equipment Protection

    System description Equipment protection 3.4 Equipment protection The aim of equipment protection is to directly monitor an area. Examples of directly monitored areas: Control cabinets Servers Switchboard equipment Figure 5: Examples of laying the pipe system on control cabinets (top) and directly through control cabinets (bottom) Air aspiration via capillary tubes Direct air aspiration...

  • Page 25: Water Trap In The Pipe System

    System description Water trap in the pipe system 3.5 Water trap in the pipe system In the case of highly variable ambient conditions where there is a risk of condensation water forming in the pipe system, a water trap must be used. The water trap collects the condensation water.

  • Page 26: Asd Filter Box In The Pipe System

    3.6 ASD filter box in the pipe system The ASD filter box FDAZ292 is used in environments with high dust concentration. Installed in the pipe system upstream of the aspirating smoke detectors FDA241 and FDA221; it protects the aspirating smoke detectors against contamination.

  • Page 27: Components Of The Pipe System

    System description Components of the pipe system 3.7 Components of the pipe system The following chapters describe different components and tools for setting up a pipe system for aspirating smoke detectors. Before starting the planning process, check whether there are local or national regulations for selecting the pipe system! The symbol is used if there are no graphics for an accessory.

  • Page 28: Branches And Bends

    System description Components of the pipe system 3.7.2 Branches and bends 90° bend For changes of direction in the pipe system 90° bend angle Flange for holding the pipe at both ends The pipes are glued to the bend Recommendation: Use a bend with the largest possible radius, e.g., 70 mm Material: Typically PVC or ABS depending on the ambient conditions...

  • Page 29: Fastenings

    System description Components of the pipe system 3.7.5 Fastenings Plastic clamp For attaching the pipes to the wall or ceiling The plastic clamps are easy to attach with just one screw or with cable ties Pipe can be installed and removed without the need for tools Material: Typically PVC or ABS depending on the ambient conditions...

  • Page 30: Blowing-Out Unit

    10305 Berlin, Germany www.techconnect.de Properties of the blowing-out unit Automatic blowing out Activated via either the aspirating smoke detector FDA241 or an internal PLC Adjustable blowing-out cycles Outlet pressure: max. 6.5 bar Operating voltage: DC 24 V 3.7.10 ASD filter box...

  • Page 31: Planning

    Planning Planning steps 4 Planning The pipe system is planned using the 'FXS2056 ASD Asyst Tool V2' software. You will find a detailed description of the software in document A6V10728226. See the chapter 'Applicable documents [ 7]'. The pipe system should be completely planned before mounting and installing the aspirating smoke detector and the electrical systems and equipment.

  • Page 32: Site Survey

    Planning Site survey 6. Check that the requirements have been met. The necessary sensitivity for the aspirating smoke system has been achieved. The planning limits have been observed. The environmental requirements at the installation location have been taken into account. The customer requirements have been met.

  • Page 33: Designing The Pipe System

    Planning Designing the pipe system 4.4 Designing the pipe system To ensure an effective design, consider the following points: Pipe length Number of aspirating holes Size of end caps Number and radius of bends Number of pipes Length of capillary tubes Size of bends and branches Air pressure differences Division of overall airflow into airflows per pipe...

  • Page 34: Application Of Standards For Conventional Detectors

    Planning Application of standards for conventional detectors 4.6 Application of standards for conventional detectors Each aspirating hole corresponds to a smoke detector position. Prior to planning and installation, check whether the applicable standards have been sufficiently taken into account. When planning the pipe network, consider how the air moves in the room and the detection area covered by the aspirating holes.

  • Page 35: Network For Monitored Area

    Planning Network for monitored area 4.7 Network for monitored area Create a network of aspirating holes that covers the area to be monitored. Figure 8: Determining the position of the aspirating holes 1 Aspirating hole Mains Determine the position and topology of the pipes. 2.5 m 2.5 m 2.5 m...

  • Page 36: Topology Of The Pipe System

    Planning Topology of the pipe system 4.8 Topology of the pipe system Select the appropriate topology while taking account of the following: Feature Information Pipe length A short pipe length equals a short response time. Number of bends Fewer bends mean fewer curves and a better laminar flow.

  • Page 37: Pipe System

    Planning Pipe system 4.9 Pipe system It is important that the pipe system ensures reliable detection of a fire. The example below shows pipe systems with 3 aspirating holes/6 aspirating holes and a symmetrical/asymmetrical arrangement. The diameter of the aspirating holes and the openings in the end caps are calculated using the 'FXS2056 ASD Asyst Tool V2' software.
  • Page 38 You will find more information in chapter 'Limits to planning [ 40]'. max. 30 m max. 60 m FDA221 FDA241 max. 25 m max. 60 m max. 25 m max. 60 m max..m max.
  • Page 39 Planning Pipe system Changes of direction in the pipe system Whenever the airflow changes direction, losses and deceleration occur. There is an increase in the overall resistance to flow. Therefore, you should use as few branches and bends as possible. Reduce the number of branches and bends to a minimum.

  • Page 40: Limits To Planning

    'FXS2056 ASD Asyst Tool V2' software (see also the table above). In rooms where there is an increased risk (rooms with ventilation systems), the size of the monitored area drops to 270…540 m² with the FDA241 (170…340 m² with the FDA221).

  • Page 41: Determining The Sensitivity

    Planning Determining the sensitivity 4.11 Determining the sensitivity The sensitivity for the parameter set alarm threshold is set on the aspirating smoke detector. This is the level of sensitivity used to measure the airflow that is made up of air from all the aspirating holes and the end caps. The sensitivity at an individual aspirating hole is determined according to how much air it contributes to the total airflow.

  • Page 42: Length Changes In The Pipe System Due To A Change In Temperature

    Planning Length changes in the pipe system due to a change in temperature 4.12 Length changes in the pipe system due to a change in temperature A change in temperature causes the lengths of the pipes to change as well. With an increase in temperature, the pipes expand and become longer.

  • Page 43: Installing Pipes On The Ceiling (Standard)

    Planning Installing pipes on the ceiling (standard) 4.13 Installing pipes on the ceiling (standard) For the pipe system, use the Components of the pipe system [ 27]. The pipes are secured under the ceiling using plastic brackets. The correct distance between the pipe and the ceiling is 25…100 mm. The maximum distance (a) between two retaining points is 200 cm.

  • Page 44: Installing Pipes In False Floors Or Channels

    Planning Installing pipes in false floors or channels 4.14 Installing pipes in false floors or channels The pipes can be installed in a false floor or a channel. The maximum distance (a) between two retaining points is 200 cm. In locations that are subject to vibrations and severe fluctuations in temperature, the maximum distance between two retaining points is 30 cm.

  • Page 45: Installing Upright Stand Pipes

    Planning Installing upright stand pipes 4.15 Installing upright stand pipes In many cavities or ducts, lines or cables prevent the air from flowing freely to the aspirating holes in the pipes. In such cases, there must not be any aspirating holes in the pipes.

  • Page 46: Ambient Conditions

    Planning Ambient conditions 4.17 Ambient conditions Ambient conditions may affect the aspiration behavior of the pipe system. Check the following factors: High air speeds Frequent air change Air pressure fluctuations Changes in air temperature Radiant heat High air humidity Vibrations In light of the ambient conditions, it may be necessary to use an alternative material for the pipe system.

  • Page 47: Mounting/Installation

    Mounting/Installation Mounting principles 5 Mounting/Installation The pipe system should be completely planned before mounting and installing the aspirating smoke detector and the electrical systems and equipment. All piping must be installed according to local and national specifications and guidelines. The 'FXS2056 ASD Asyst Tool V2' software provides the following data of relevance to installing the pipe system: Position of the aspirating holes in the pipe system Diameter of the aspirating holes...

  • Page 48: Installing The Pipe System

    Mounting/Installation Installing the pipe system 5.2 Installing the pipe system The pipe system must be designed in accordance with the requirements described in this document. 1. Cut the piping with a pipe cutter. [ 2. Remove the protective caps from the pipes. 3.

  • Page 49: Trimming The Pipes

    Mounting/Installation Installing the pipe system 5.2.1 Trimming the pipes NOTICE Swarf and dust in the pipe system Influence on the detection features of the aspirating smoke detector Only use a pipe cutter to trim the pipes. Do not use saws or other cutting tools. Purge the pipes of swarf or impurities by blowing them out.

  • Page 50: Connecting Pipes And Fittings

    Mounting/Installation Installing the pipe system 5.2.2 Connecting pipes and fittings WARNING Easily inflammable solvents in the adhesive Risk of fire upon contact with naked flames or hot surfaces Smoking, fire and naked flames are prohibited when working with adhesive! Ensure the room in which the adhesive is being used is well ventilated. Use a clean brush to apply the adhesive.

  • Page 51: Installing End Caps

    Mounting/Installation Installing the pipe system 5.2.3 Installing end caps Glue an end cap on to each open end of the pipe system as described in chapter 'Connecting pipes and fittings [ 50]'. An aspirating hole must be created in each end cap. The aspirating holes in the end caps usually have a larger diameter than the aspirating holes in the pipes.

  • Page 52: Drilling The Aspirating Holes

    Mounting/Installation Installing the pipe system 5.2.5 Drilling the aspirating holes The diameter and position of the aspirating holes in the pipe system and in the end caps are defined during planning. The aspirating holes are drilled once the pipe system has been installed. Information about drilling the aspirating holes You must observe the following when drilling the aspirating holes: Only drill the planned diameter in the pipe system.

  • Page 53: Connecting The Pipe System To The Aspirating Smoke Detector

    Mounting/Installation Installing the pipe system Figure 16: Arrangement of drilled holes away from fittings See also Label for aspirating holes [ End caps [ 5.2.6 Connecting the pipe system to the aspirating smoke detector NOTICE Connection between pipe system and aspirating smoke detector Damage to the pipe system and/or the aspirating smoke detector Do not glue the pipe system to the aspirating smoke detector! If the pipe system has to be separated from the aspirating smoke detector for...

  • Page 54: Index

    Index / Index Sampling Holes Air aspiration Drilling ............52 Direct .............. 18 Labels ............52 In capillary tubes ..........20 Sensitivity Into the pipe system ........18 Collective effect ..........41 ASD Asyst Tool ..........14 Limit values ............ 40 Source language ..........
  • Page 55 Index / 55 | 56 A6V10334435_g_en_-- Building Technologies Fire Safety 2017-09-12...
  • Page 56 Issued by © Siemens Switzerland Ltd, 2011 Siemens Switzerland Ltd Technical specifications and availability subject to change without notice. Building Technologies Division International Headquarters Gubelstrasse 22 CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies Document ID: A6V10334435_g_en_-- Manual FD20/FD720 Edition: 2017-09-12...

This manual is also suitable for:

Fda221

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