Related Manuals for Siemens FDA2 Series
Summary of Contents for Siemens FDA2 Series
- Page 1 FDA2xx Pipe system for aspirating smoke detectors Planning Mounting Smart Infrastructure A6V11783979_en--_a 2022-07-12...
- Page 2 All rights created by patent grant or registration of a utility model or design patent are reserved. Issued by: Siemens Switzerland Ltd. Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug Tel. +41 58 724-2424 www.siemens.com/buildingtechnologies Edition: 2022-07-12 Document ID: A6V11783979_en--_a © Siemens Switzerland Ltd, 2022 2 | 48 A6V11783979_en--_a...
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Page 3: Table Of Contents
Table of contents About this document ................Technical terms ..................Applicable documents ................Revision history ..................Safety....................... Safety notes ..................... Safety regulations for the method of operation ........Standards and directives complied with ........... Release Notes..................System description ................Air aspiration .................... 3.1.1 Mounting on the ceiling .............. - Page 4 4.16 Ambient conditions ................... 4.17 Conditions in the room ................4.18 High, open halls and rooms..............4.19 Cavities in ceilings and floors ..............Mounting / Installation ................Mounting principles .................. Mounting the pipe system ................ 5.2.1 Shortening pipes ................ 5.2.2 Connecting pipes and fittings ............. 5.2.3 Mounting end caps..............
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Page 5: About This Document
About this document 1 About this document Goal and purpose This document contains information about planning and mounting the pipe system for the following aspirating smoke detectors: FDA221 FDA261 FDA241 FDA262 Target groups The information in this document is intended for the following target groups: Target group Activity Qualification... -
Page 6: Technical Terms
About this document Technical terms Document identification The document ID is structured as follows: ID code Examples ID_languageCOUNTRY_ modification index A6V10215123_deDE_a -- = multilingual or international A6V10215123_en--_a A6V10315123_----_a Date format The date format in the document corresponds to the recommendation of international standard ISO 8601 (format YYYY-MM-DD). -
Page 7: Applicable Documents
About this document Applicable documents 1.2 Applicable documents Document ID Title A6V10334410 Technical manual Aspirating smoke detector FDA241, FDA221 A6V10344957 Installation Manual for 'FXS2055 ASD Asyst Tool' A6V10345654 Installation, Mounting Aspirating smoke detector FDA241, FDA221 A6V10877841 Installation ASD Filterbox FDAZ292 A6V11783043 Technical manual Aspirating smoke detector FDA261, FDA262 A6V11783970... -
Page 8: Safety
Safety Safety notes 2 Safety 2.1 Safety notes 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 ●... -
Page 9: 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 10: 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. 10 | 48 A6V11783979_en--_a... -
Page 11: Release Notes
Safety Release Notes 2.4 Release Notes Limitations to the configuration or use of devices in a fire detection installation with a particular firmware version are possible. WARNING Limited or non-existent fire detection Personal injury and damage to property in the event of a fire. ●... -
Page 12: System Description
System description 3 System description Aspirating smoke detectors are used for early detection of smoke-generating fires in rooms and equipment. They are particularly suited to applications in which point detectors are pushed to their limits and cannot be used or can only be used with restrictions. - Page 13 System description ● You know the ambient conditions such as temperature and air humidity. ● You know the movements of air such as natural airflows and ventilation from air conditioning systems in the area being monitored. ● You know what the building material is, e.g., concrete, wood or brick, so you can fasten the pipe system correctly.
- Page 14 System description Fig. 2: Connecting external devices FDA261, FDA262 Pipe system Aspirating smoke detector Blowing-out unit (optional) Smartphone ASD filter box FDAZ292 (optional) External power unit with battery Control / indicator (optional) Return pipe (optional) 10 Pushbutton, sounder beacon (optional) Topology of the pipe system Select the topology based on the following factors: ●...
- Page 15 System description U topology symmetrical U topology asymmetrical Double U topology A6V11783979_en--_a 15 | 48...
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Page 16: Air Aspiration
System description Air aspiration 3.1 Air aspiration Variants Variants Where air is aspirated Standard pipe system ● On the ceiling ● False floor/false ceiling ● Out of cabinets from above Capillary tubes ● Locations that are not in direct contact with the pipe system Primary air intake ●... -
Page 17: Mounting On The Ceiling
System description Air aspiration 3.1.1 Mounting on the ceiling The air below the ceiling is usually aspirated through a pipe system. 25…100 mm Fig. 4: Mounting on the ceiling Fastening with plastic clamps Fastening onto existing components 3.1.2 Mounting in a false floor or a duct The air in the false floor or the duct is usually aspirated through a pipe system. -
Page 18: Air Via Capillary Tubes
System description Air aspiration 3.1.3 Air via capillary tubes The aspirating hole can be connected to the room being monitored via a capillary tube. The number, distribution, and diameter of the aspirating holes in the pipes must be planned individually for each application. Examples ●... -
Page 19: Primary And Secondary Air Intake
System description Air aspiration 3.1.4 Primary and secondary air intake Primary air intake In rooms with an air conditioning system or a ventilation system (4), the primary air intake (1) is at the extraction point (3) or in the extraction duct. This means smoke can be detected quickly. -
Page 20: Water Trap In The Pipe System
System description Water trap in the pipe system Fig. 8: Example: Air aspiration in a control cabinet Aspiration via capillary tube Direct aspiration Aspirating smoke detector 3.2 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. - Page 21 System description Water trap in the pipe system >500 >500 >300 >300 Fig. 9: Examples: water trap arrangement 1 T-piece 4 Drain valve 2 Distance from manifold to surface 5 Outlet of the water [mm] 3 Condensation water A6V11783979_en--_a 21 | 48...
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Page 22: Asd Filter Box In The Pipe System
System description ASD filter box in the pipe system 3.3 ASD filter box in the pipe system The ASD filter box FDAZ292 is used in environments with a high dust concentration, where it protects the aspirating smoke detector from contamination. The filter box filters dust and dirt particles out of the pipe system before they can reach the aspirating smoke detector. -
Page 23: Pipes And Pipe Connections
System description Pipe system components 3.4.1 Pipes and pipe connections Pipe ● Piping for air aspiration ● Outer diameter: 25 mm (1 inch) ● Inner diameter: 21 mm ● Pipes can be trimmed to the required length using a pipe cutter ● Pipes can be connected using glued pipe connections ●... -
Page 24: End Caps
System description Pipe system components 3.4.3 End caps End cap ● For fitting on a free pipe end ● The end cap is glued to the pipe ● Material: Typically PVC or ABS depending on the ambient conditions 3.4.4 Label for aspirating holes Example ●... -
Page 25: Blowing-Out Unit
System description Pipe system components 3.4.8 Blowing-out unit Deposits at the aspirating holes of the pipe system affect air aspiration and have the potential to trigger an alarm. Use compressed air to blow out and clean the pipe system. This will remove deposits from the aspirating holes and capillary tubes. -
Page 26: Planning
Planning 4 Planning The pipe system is planned using the software 'FXS2056 ASD Asyst‑Tool V3'. You will find more information in document A6V11784000. See 'Applicable documents [➙ 7]' Finish planning the pipe system before mounting and installing the aspirating smoke detector and the electrical systems and equipment. To note during planning ●... -
Page 27: Site Survey
Planning Site survey 4.1 Site survey Survey the site where the aspirating smoke system is to be installed in order to obtain key information for planning the pipe system. ● Condition (material and surface) of: – Walls – Floors – Ceilings –... -
Page 28: Designing The Pipe System
Planning Designing the pipe system 4.3 Designing the pipe system Take the following into account for an effective design: ● Pipe length ● Number of aspirating holes ● End cap hole ● Number and radius of bends ● Number of pipes ●... -
Page 29: Applying Standards
Planning Applying standards 4.5 Applying standards Each aspirating hole corresponds to the position of a conventional smoke detector. 1. Check whether the applicable standards have been taken into account sufficiently before you start to plan and install. 2. Take the movements of air in the room into account. 3. -
Page 30: Monitoring Area Grid
Planning Monitoring area grid 4.6 Monitoring area grid 1. Place a grid (2) showing the aspirating holes (1) over the monitoring area. Fig. 13: Deciding on the locations of the aspirating holes 2. Decide on the locations and topology of the pipes. Fig. -
Page 31: Pipe System Topology
Planning Pipe system topology 4.7 Pipe system topology Choose a suitable topology for the pipe system, taking the following criteria into account: Property Note Pipe length Short pipe length = short response time Number of bends Fewer bends = better laminar flow Number of branches Each branch connects airflows Number of aspirating holes... - Page 32 Planning Pipe system Symmetrical layout Advantages of a symmetrical layout: ● Same number of aspirating holes on each pipework branch ● Pipework branches are the same length (tolerance ±10 %) ● Same gap between adjacent aspirating holes (tolerance ±10 %) Asymmetrical layout The structural conditions may necessitate an asymmetrical layout.
- Page 33 Planning Pipe system No bends Two bends Six bends Special cases If the pipe system does not meet the stated requirements due to structural reasons, contact the Customer Support Center, phone +49 89 9221-8000. A6V11783979_en--_a 33 | 48...
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Page 34: Limits To Planning
Planning Limits to planning 4.9 Limits to planning Observe local regulations and specifications for the limits of the detection range of the aspirating holes. The local regulations and specifications take priority over all other information in this document. Observe the planning rules in the relevant standards and guidelines. -
Page 35: Determining The Sensitivity
Planning Determining the sensitivity 4.10 Determining the sensitivity The sensitivity for the alarm threshold is set on the aspirating smoke detector. The airflow, which is made up of the air from all the aspirating holes and the end caps, is measured with this sensitivity. The sensitivity at a specific aspirating hole is based on its proportion of the total airflow. -
Page 36: Linear Deformation In The Pipe System
Planning Linear deformation in the pipe system 4.11 Linear deformation in the pipe system The lengths of the pipes change as the temperature varies. ● Temperature increase = pipes lengthen ● Temperature decrease = pipes shorten Mount the pipe fastenings in such a way that the pipes can lengthen and shorten unhindered as the temperature varies. -
Page 37: Pipes On The Ceiling
Planning Pipes on the ceiling 4.12 Pipes on the ceiling Use the pipe system components for mounting. See 'Pipe system components [➙ 22]'. Mount the pipes on the ceiling using plastic clamps. Comply with the following specifications: ● Gap from pipe to ceiling 25…100 mm ●... -
Page 38: Pipes In A False Floor Or A Duct
Planning Pipes in a false floor or a duct 4.13 Pipes in a false floor or a duct Pipes can be installed in a false floor or a duct. Comply with the following specifications: ● Gap (a) 200 cm maximum ● Gap (a) 30 cm maximum in the event of large temperature variations and strong vibrations ●... -
Page 39: Upright Stand Pipes
Planning Upright stand pipes 4.14 Upright stand pipes In some cavities or shafts, lines or cables obstruct the free flow of air to the aspirating holes in the pipes. Therefore there must be no aspirating holes in the pipes in these locations. Upright stand pipes are the best way of aspirating the air here. -
Page 40: Ambient Conditions
Planning Ambient conditions 4.16 Ambient conditions Ambient conditions can affect the aspirating behavior of the pipe system. Check the following factors: ● High air speeds ● Frequent change of air ● Fluctuations in air pressure ● Changes in air temperature ●... -
Page 41: Mounting / Installation
Mounting / Installation Mounting principles 5 Mounting / Installation You should finish planning the pipe system before mounting and installing the aspirating smoke detector and the electrical systems and equipment. All pipework must be mounted in accordance with local and national specifications and guidelines. The software 'FXS2056 ASD Asyst‑Tool V3' provides the following data, which is relevant for mounting the pipe system: ●... -
Page 42: Shortening Pipes
Mounting / Installation Mounting the pipe system 3. Deburr any protruding edges. 4. Clean the pipes, remove dirt and grease. 5. Do not glue pipes and components until they have been cleaned and degreased. 6. Only connect parts that match each other exactly. 7. -
Page 43: Connecting Pipes And Fittings
Mounting / Installation Mounting the pipe system 5.2.2 Connecting pipes and fittings WARNING Adhesive contains readily flammable solvent Risk of fire in case of contact with an open flame or hot surfaces ● Smoke, flames, and naked lights are prohibited when processing the adhesive. -
Page 44: Fastening The Pipe System
Mounting / Installation Mounting the pipe system 5.2.4 Fastening the pipe system Fasten the pipes with plastic clamps. Use suitable dowels and screws. Ensure there is a sufficiently large gap from the plastic clamps to the aspirating holes; approximate value 100 mm. Leave enough space for the pipes to expand as the temperature varies. Mount the first plastic clamp at least 1 m away from the aspirating smoke detector. -
Page 45: Connecting The Pipe System To The Aspirating Smoke Detector
Mounting / Installation Mounting the pipe system Fig. 23: Hole after fitting 5.2.6 Connecting the pipe system to the aspirating smoke detector The pipe system has been mounted. The first 500 mm of a pipe system with an aspirating smoke detector are configured in a straight line so any flow turbulence can settle before the air enters the aspirating smoke detector. -
Page 46: Index
Index Index ASD filter box FDAZ292 ........22 ASD Asyst Tool ..........12 Collective effect ..........35 Examples of use ..........12 Fire sections ............ 12 Floorplan ............12 Original language ..........5 Pipe system ............. 12 Planning Prerequisites ..........12 Pressure differences ........13 Sensitivity Collective effect .......... - Page 47 A6V11783979_en--_a 47 | 48...
- Page 48 Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies © Siemens Switzerland Ltd, 2022 Technical specifications and availability subject to change without notice. A6V11783979_en--_a...