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Bosch FAS-420-TM, Operation Manual

The Bosch FAS-420-TM is a top-quality fire alarm system designed for commercial spaces. Ensure correct installation and smooth operation with the comprehensive Installation Manual, available for free download at manualshive.com. This essential manual provides in-depth instructions and guidelines to maximize the efficiency and safety of your fire alarm system.

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FAS-420-TM Aspirating Smoke Detector

 Appendix | en

97

Bosch Sicherheitssysteme GmbH

Operation Guide

F.01U.088.878 | 4.1 | 2010.11

8.2

Planning without air filter

8.2.1

Without any other pipe accessories

8.2.2

With water separator

Sensitivity 

(% LT/m)

Number of openings

1

2

3

4

5

6

7

8

0.5

A

A

B

B

B

B

C

C

0.6

A

A

B

B

B

C

C

C

0.7

A

B

B

B

C

C

C

C

0.8

A

B

B

C

C

C

C

C

0.9

A

B

B

C

C

C

C

C

1.0

A

B

B

C

C

C

C

C

1.1

A

B

C

C

C

C

C

C

1.2

A

B

C

C

C

C

C

C

1.3

B

B

C

C

C

C

C

1.4

B

B

C

C

C

C

1.5

B

B

C

C

C

C

1.6

B

C

C

C

C

C

1.7

B

C

C

C

C

1.8

B

C

C

C

C

1.9

B

C

C

C

C

2.0

B

C

C

C

Pipe shape 

U

Fan

[V] 

Number of openings

1

2

3

4

5

6

7

8

I

≥

9

40

40

40

40

40

U

≥

9

50

50

50

50

50

50

50

50

M

≥

9

50

50

50

50

50

50

50

50

Double U

≥

9

50

50

50

50

50

50

50

50

Pipe shape 

U

Fan

[V] Number 

of 

openings

1

2

3

4

5

6

7

8

I

≥

9

40

40

40

U

≥

9

50

50

50

50

50

50

M

≥

9

50

50

50

50

50

50

Double U

≥

9

50

50

50

50

50

50

50

50

Summary of Contents for FAS-420-TM

Page 1: ...FAS 420 TM Aspirating Smoke Detector FAS 420 TM en Operation Guide ...

Page 2: ......

Page 3: ...cators 22 2 6 Pipe System Components 22 2 6 1 Overview 22 2 6 2 Air Sampling Openings 23 2 6 3 Ceiling Lead through 25 2 6 4 Air Return Pipe for Pressure Areas and Atmospheric Loads 25 2 6 5 Water Separator for Humid Areas 26 2 7 Scope of Delivery Smoke Aspiration System 28 2 8 Technical Specifications 30 2 8 1 FAS 420 TM Series Aspirating Smoke Detectors 30 2 8 2 Pipe system 31 2 8 3 Smoke Aspira...

Page 4: ...DIAG Diagnostic Software 64 4 5 Data Logging 65 5 Installation of the Pipe System 66 5 1 Length Change of the Pipe System 68 5 2 Air Sampling Openings 68 5 3 Ceiling Lead through 70 5 4 Monitoring with Forced Airflow 71 5 4 1 Detection at Intake and Exhaust Openings 71 5 4 2 Detection in the Bypass 71 5 5 Air filter 72 5 5 1 Installing the Air Filter Box 72 5 6 Air return pipe 72 5 7 Three way tap...

Page 5: ...Process for the Pipe System 90 7 8 Checking the Airflow Sensor Calibration 90 7 9 Testing the Fire Source Identification 92 7 10 Airflow monitoring 92 7 11 Malfunction Transmission 92 7 12 Maintenance Intervals 92 8 Appendix 94 8 1 DIP Switch Settings for Detector Addresses 95 8 2 Planning without air filter 97 8 2 1 Without any other pipe accessories 97 8 2 2 With water separator 97 8 3 Planning ...

Page 6: ...sonal injury and property damage cannot be asserted if they are based on one or more of the following causes Insufficient attention to the instructions with respect to planning installation of the aspirating smoke detector installation of the pipe system commissioning and maintenance Use of the smoke aspiration system contrary to the regulations Insufficient monitoring of wearing parts Faulty repa...

Page 7: ...ly for installation engineers and their employees Reprinting this operation guide or extracts thereof is permitted for internal purposes only 1 5 Disposal Unusable electrical and electronic devices or modules must not be disposed of with normal household refuse They must be disposed of in compliance with the applicable regulations and directives e g WEEE in Europe ...

Page 8: ...s offer an optical fire location display for up to five zones The FAS 420 TM RVB also includes a pre alarm display and a 10 segment smoke level display Fire source identification Innovative fire source identification technology allows the exact location of the fire to be pinpointed by monitoring up to five distinct neighboring zones To enable the emergency response teams to intervene as quickly as...

Page 9: ...etector projection The system s aspiration points can be equated with point type smoke detectors The monitoring areas can therefore be planned in accordance with the applicable national regulations Diagnostics A system with FAS ASD DIAG Diagnostic Software which enables quick and convenient error containment is available for maintenance and service The current and stored max 72 hours unit status i...

Page 10: ...ctors are not desired for aesthetic reasons Areas in which strong electromagnetic fields occur Areas that are exposed to high or low temperatures Areas with contaminated air that require filter elements Areas that must be protected against vandalism Space protection The FAS 420 TM series is suitable for monitoring areas such as Those with double floors false ceilings Tunnels ducts barely accessibl...

Page 11: ...ere early intervention is essential due to a high value concentration Where equipment must always be operational Where highly sensitive detection is necessary e g in areas where due to built in filter elements the air contains a low concentration of smoke particles Where high air exchange rates prevail Equipment protection Equipment monitoring involves the direct monitoring of an object These can ...

Page 12: ... system for breakage and obstructions The pipe system comprises essentially pipe and fittings The standard pipe system is made from PVC or ABS The pipes used for equipment monitoring should be halogen free Each air sampling opening in the pipe system represents a point detector in the planning Figure 2 3 Principle of equipment monitoring with FAS 420 TM series Aspirating Smoke Detectors 1 Clicking...

Page 13: ...larm LED on the device and forwarded to a connected fire panel Various delay times can be set for the alarm thresholds as well as for displaying and transferring malfunctions see Section 4 4 3 Parameter Settings via Programming Software page 63 Alarm messages are saved and are reset after the cause has been eliminated LOGIC SENS The LOGIC SENS intelligent signal processing compares the measured sm...

Page 14: ...rm threshold is reached the aspiration fan switches off and a second fan blows all smoke particles out of the pipe system in the opposite direction Figure 2 7 Phase 3 Blowing out Phase 4 Once the pipe system has been blown out the direction of flow is reversed again and the time required for the smoke particles to penetrate into the detector module is measured On the basis of this time the locatio...

Page 15: ...N improved fire panel allows the sensitivity set on the detector module to be changed if necessary Changes to the sensitivity of the detector module can be made in the following intervals 2 0 1 0 or 0 5 m light obscuration Changing the detector module s sensitivity setting allows you to adjust smoke detection to process specific disturbance values such as those caused by an increase in the aerosol...

Page 16: ... line Calibrating the airflow sensor The airflow sensor calibration of the FAS 420 TM Aspirating Smoke Detector is performed automatically when the detector module is inserted into the housing base provided that the X4 jumper has been plugged into another socket first This plug and play feature makes the FAS 420 TM considerably easier to commission In addition the calibration can also be performed...

Page 17: ... with optimized air routing PC board with LSN connections connection for shield wire and DIP switch for address setting Infrared diagnostics port FAS 420 TM optical displays for main alarm malfunction and operation FAS 420 TM R optical displays for fire source identification main alarm malfunction and operation FAS 420 TM RVB optical displays for fire source identification pre alarm and main alarm...

Page 18: ...1 Function Explanation 1 Connection for aspiration pipe For 25 mm pipe system 2 Connection for air return pipe For 25 mm pipe system 3 Cable bushing for connection of fire panel and additional power supply input output 2 x M 25 4 Cable bushing for connection of fire panel and additional power supply input output 8 x M 20 FAS 420 TM series F A S 4 2 0 T M s e ri e s 2 1 3 3 4 4 4 4 4 4 4 4 NOTICE W...

Page 19: ...e F 01U 088 878 4 1 2010 11 2 5 3 FAS 420 TM Displays Figure 2 12 FAS 420 TM displays FAS 420 TM Display LED Explanation Operation Green Operation display Main alarm Red Main alarm display Malfunction Yellow Malfunction in the pipe system in the detector module caused by fan failure Infrared port Fault diagnosis ...

Page 20: ...Displays Figure 2 13 FAS 420 TM R displays FAS 420 TM R Display LED Explanation Operation Green Operation display Main alarm Red Main alarm display Malfunction Yellow Malfunction in the pipe system in the detector module caused by fan failure Fire source identification for zones A E 5 red LEDs Fire source identification Infrared port Fault diagnosis E D C B A ...

Page 21: ...Software enables the saved and current statuses of the FAS 420 TM and error messages to be saved on a PC or laptop FAS 420 TM RVB Display LED Explanation Operation Green Operation display Main alarm Red 100 smoke level Pre alarm Red 60 smoke level Malfunction Yellow Malfunction in the pipe system in the detector module caused by fan failure Smoke level display 1 to 10 10yellow LEDs Current smoke l...

Page 22: ...ay is installed in an obvious place in halls or entrances of the building section or areas concerned FNS 420 R LSN Strobes can be used as remote indicators These must be ordered separately The FNS 420 R LSN strobes can be addressed and are connected to the LSN bus If the FAS 420 TM R and FAS 420 TM RVB device variants with fire source identification are used the FNS 420 R LSN Strobes can be assign...

Page 23: ...ampling openings Figure 2 17 shows a manual blowing out system with a three way tap 2 6 2 Air Sampling Openings Aspiration reducing film sheets An air sampling opening is a 10 mm bore in the aspiration pipe that is covered with a patented aspiration reducing film sheet with the required opening diameter The size of the opening depends on the structure of the pipe system see Section 3 Planning page...

Page 24: ...ificantly improves the cleaning effect they are used for all plans and designs which require a blow off system due to environmental influences e g increased exposure to dust The aspiration reductions with plastic clips are available separately Figure 2 18 Air sampling opening with aspiration reducing film sheet and marking tape 1 Smoke aspiration pipe 2 Air sampling opening with aspiration reducin...

Page 25: ...he plan according to Section 3 Planning page 33 applies If structural circumstances dictate that lengths in excess of 3 m are used the pipe system has to be calculated accordingly 2 6 4 Air Return Pipe for Pressure Areas and Atmospheric Loads If the aspirating smoke detectors and the pipe system are installed in areas with varying air pressure the aspirated air must be returned to the pressure are...

Page 26: ...moke aspiration system is operated in environments where condensate can form in the aspiration system a water separator is used Condensate can form with sharp temperature fluctuations and in areas where fresh air is monitored For areas with extremely high humidity the FAS ASD WS Water Separator can be used for example The FAS ASD WS Water Separator is integrated at the lowest point in the pipe sys...

Page 27: ...tal filter in the water separator has a pore width of 50 µm and causes an additional rough absorption of soil particles The FAS ASD WS is supplied with an angle support and PG cable glands The 45 pipe elbows 4 units must be ordered separately Figure 2 23 FAS ASD WS Water Separator for condensing water vapor and collecting condensate from the pipe system 1 Water separator 2 Pipe system connection 3...

Page 28: ...6 internal thread 5 per set F 01U 029 721 FAS ASD CSL Quick lock coupling straight PG16 internal thread F 01U 029 720 FAS ASD 3WT Three way tap incl fittings for 25 mm pipe system F 01U 029 718 FAS ASD F Flange for ventilation duct F 01U 029 722 FAS ASD AR Aspiration reduction with 10 mm bore for attaching an aspiration reducing film sheet 10 per set F 01U 029 724 FAS ASD CLT Ceiling lead through ...

Page 29: ... 998 143 422 Aspiration reducing film sheet 3 8 mm AF 3 8 10 units 4 998 143 423 Aspiration reducing film sheet 4 0 mm AF 4 0 10 units 4 998 143 424 Aspiration reducing film sheet 4 2 mm AF 4 2 10 units 4 998 143 425 Aspiration reducing film sheet 4 4 mm AF 4 4 10 units 4 998 143 426 Aspiration reducing film sheet 4 6 mm AF 4 6 10 units 4 998 143 427 Aspiration reducing film sheet 5 0 mm AF 5 0 10...

Page 30: ...rm device variant FAS 420 TM RVB 180 mA 180 mA 180 mA Displays on the device FAS 420 TM Operation Green LED Malfunction Yellow LED Alarm 1 red LED for main alarm Infrared port IR transmitter receiver Displays on the device FAS 420 TM R Operation Green LED Malfunction Yellow LED Alarm 1 red LED for main alarm Fire location display 5 red LEDs for zones A E Infrared port IR transmitter receiver Displ...

Page 31: ...ermissible relative humidity non condensing Max 95 Sound power level at 9 V fan voltage 40 dB A Response sensitivity light obscuration 0 5 to 2 0 m Life cycle of fan at 12 V and 24 C 60 000 hrs Maximum pipe length Ø 25 mm 50 m Additional maximum pipe length Ø 12 mm 8 x 3 m Maximum number of air sampling openings 8 Maximum length of aspiration hose per ceiling lead through 3 m Maximum size of monit...

Page 32: ... fine one medium and one coarse filter insert 60 ppi 45 ppi and 25 ppi Application temperature range 30 C to 70 C Features With 3 transition threads for connection to a 25 mm pipe system Operating pressure Max 10 bar Housing material PVC plastic Seal Teflon PTFE Length 131 mm Application temperature range 0 C to 50 C Maximum false ceiling thickness 35 mm Max length of aspiration hose per ceiling l...

Page 33: ...for automatic fire detection systems planning and installation VdS Schadenverhütung GmbH Cologne VdS 2095 The guideline Installation protection for electrical and electronic systems VdS Schadenverhütung GmbH Cologne VdS 2304 The Planning Aspirating Fire Detectors data sheet from VdS Schadenverhütung GmbH Cologne VdS 3435 The applicable national regulations must also be observed for example in Germ...

Page 34: ...em must not exceed a quantity ratio of 1 2 The distance between neighboring air sampling openings on the smoke aspiration pipe must be equal should not exceed 20 deviation The diameters of the air sampling openings are determined separately for each pipe branch The diameters depend on the total number of air sampling openings in the pipe branch in question Figure 3 1 shows a typical U pipe system ...

Page 35: ...maximum total length of the pipe system is reduced Testing For critical applications test the secure detection with activation attempts Check also whether there is airflow at the individual air sampling openings Figure 3 2 Pipe configurations I I pipe system U U pipe system M M pipe system U U Double U pipe system Corresponds to a straight pipe length of Pipe elbow 1 5 m Pipe bend 0 3 m I FAS FCS ...

Page 36: ...f pipes and identify sudden obstruction of individual air sampling openings e g following tampering with the pipe system If the dynamic airflow sensors were activated via the diagnostic software note the following restrictions Restrictions Airflow monitoring may only be set to level I if planning was carried out in accordance with single hole monitoring see Section 3 7 Planning with Single hole Mo...

Page 37: ...ir return pipe needs to be provided when the FAS 420 TM series is used in areas with varying air pressures and given that no air return pipe is possible with ROOM IDENT it is not possible to use the FAS 420 TM series with ROOM IDENT in areas with varying or fluctuating air pressures Class Description Application example A Aspirating smoke detector with extremely high sensitivity Very early detecti...

Page 38: ...rms Maximum number of air sampling openings per pipe system1 8 Maximum number of air sampling openings per pipe system with fire source identification 5 Maximum pipe length per pipe system2 Pipe 25 mm 50 m Additional pipe 12 mm 8 x 3 m Maximum total monitoring area per pipe system 400 m Minimum pipe length between 2 air sampling openings 0 1 m Minimum pipe length between 2 air sampling openings wi...

Page 39: ...ns of pipe planning the appropriate accessory must be selected for the application concerned in advance Retrofitting an accessory e g a fine filter is largely only possible if a certain reserve is planned in advance The following components must be taken into account in this regard Air filter Water separator Three way tap See 2 8 3 3 6 2 Pipe Planning with Pipe Accessories For the purpose of pipe ...

Page 40: ...ge 41 table select the column with four air sampling openings Number of air sampling openings 4 3 Selection Select the sensitivity sensitivity class of the system according to the gradation described in Section 3 4 Defining the Response Sensitivity Result Specified sensitivity class in accordance with EN 54 20 In the Planning with Air Filter on page 41 table select the response sensitivity you req...

Page 41: ...fan voltage max 50 m total pipe length Double U pipe system 9 V fan voltage max 50 m total pipe length Sensitivity LT m Number of openings 1 2 3 4 5 6 7 8 0 5 A A B B B C C C 0 6 A B B B C C C C 0 7 A B B C C C C C 0 8 A B B C C C C C 0 9 A B C C C C C C 1 0 A B C C C C C C 1 1 B B C C C C C 1 2 B B C C C C 1 3 B C C C C C 1 4 B C C C C 1 5 B C C C C 1 6 B C C C C 1 7 B C C C 1 8 B C C C 1 9 B C C...

Page 42: ...pling openings 1 2 3 4 5 Ø of air sampling openings in mma A 6 8 5 0 4 2 3 4 3 0 B 5 0 4 2 3 6 3 2 C 4 4 3 8 3 4 D 4 0 3 6 E 4 4 a Punch diameter of the aspiration reducing film sheet 1 pipe system FAS 420 TM FAS 420 TM R FAS 420 TM RVB Figure 3 4 U pipe system U pipe system Air sampling opening Number of air sampling openings 2 4 6 8 Ø of air sampling openings in mma A 6 0 4 2 3 4 3 0 B 4 6 3 6 3...

Page 43: ...Air sampling opening Number of air sampling openings 3 6 Ø of air sampling openings in mma A 5 0 3 6 B 4 0 a Punch diameter of the aspiration reducing film sheet 1 pipe system FAS 420 TM FAS 420 TM R FAS 420 TM RVB Figure 3 6 Double U pipe system Double U pipe system Air sampling opening Number of air sampling openings 4 8 Ø of air sampling openings in mma A 4 4 3 0 B 3 8 a Punch diameter of the a...

Page 44: ...7 1 I pipe system 1 pipe system FAS 420 TM FAS 420 TM R FAS 420 TM RVB Figure 3 7 I pipe system for space protection Min distance FAS 420 TM 1st air sampling opening 2 m Max distance FAS 420 TM 1st air sampling opening 20 m Max total pipe length per pipe system Pipe Ø 25 mm 40 m Additional pipe Ø 12 mm 5 x 3 m Max total pipe length per pipe system for a fan voltage 10 5 V Pipe Ø 25 mm 30 m Additio...

Page 45: ...openings 0 0 0 0 5 obstructed openings 0 0 0 0 0 not practical NOTICE When planning in accordance with EN 54 20 airflow monitoring must always be set to 20 1 pipe system FAS 420 TM FAS 420 TM R FAS 420 TM RVB Figure 3 8 U pipe system for space protection Min distance FAS 420 TM 1st air sampling opening 2 m Max distance FAS 420 TM 1st air sampling opening 20 m Max branch length 25 m Max total pipe ...

Page 46: ... B 4 4 3 6 3 0 C 3 6 3 2 D 3 2 a Punch diameter of the aspiration reducing film sheet U pipe system Number of obstructed air sampling openings Number of air sampling openings 2 4 6 8 Activation threshold per pipe system 1 obstructed opening 25 15 2 obstructed openings 0 25 20 15 3 obstructed openings 0 0 30 25 4 obstructed openings 0 0 0 35 5 obstructed openings 0 0 0 0 6 obstructed openings 0 0 0...

Page 47: ... Pipe Ø 25 mm 40 m Additional pipe Ø 12 mm 8 x 3 m Min distance between 2 air sampling openings d 4 m Max distance between 2 air sampling openings d 10 m Max number of air sampling openings n per pipe system 6 units M pipe system Air sampling opening Number of air sampling openings 3 6 Ø of air sampling openings in mma A 5 0 3 6 B 3 8 a Punch diameter of the aspiration reducing film sheet M pipe s...

Page 48: ...total pipe length per pipe system for a fan voltage 10 5 V Pipe Ø 25 mm 40 m Additional pipe Ø 12 mm 8 x 3 m Min distance between 2 air sampling openings d 4 m Max distance between 2 air sampling openings d 10 m Max number of air sampling openings n per pipe system 8 units Double U Pipe System Air sampling opening Number of air sampling openings 4 8 Ø of air sampling openings in mma A 4 4 3 0 B 3 ...

Page 49: ... FAS 420 TM FAS 420 TM R FAS 420 TM RVB Figure 3 11 I pipe system e g for equipment protection Limiting values Min distance FAS 420 TM 1st air sampling opening 2 m Max distance FAS 420 TM 1st air sampling opening 20 m Max total pipe length per pipe system Pipe Ø 25 mm Additional pipe Ø 12 mm 40 m 5 x 3 m Max total pipe length per pipe system for a fan voltage 10 5 V Pipe Ø 25 mm Additional pipe Ø ...

Page 50: ...em Pipe Ø 25 mm Additional pipe Ø 12 mm 50 m 8 x 3 m Max total pipe length per pipe system for a fan voltage 10 5 V Pipe Ø 25 mm Additional pipe Ø 12 mm 40 m 8 x 3 m Max number of air sampling openings n per pipe system 8 units Min distance between 2 air sampling openings 0 1 m Max distance between 2 air sampling openings 4 m U pipe system Number of air sampling openings 2 4 6 8 Ø of all air sampl...

Page 51: ... pipe length per pipe system for a fan voltage 10 5 V Pipe Ø 25 mm Additional pipe Ø 12 mm 40 m 8 x 3 m Max number of air sampling openings n per pipe system 6 units Min distance between 2 air sampling openings 0 1 m Max distance between 2 air sampling openings 4 m M pipe system Number of air sampling openings 3 6 Ø of all air sampling openings in mma 5 0 3 6 a Punch diameter of the aspiration red...

Page 52: ...x distance FAS 420 TM last T fitting 20 m Max branch length 12 5 m Max total pipe length per pipe system Pipe Ø 25 mm Additional pipe Ø 12 mm 50 m 8 x 3 m Max total pipe length per pipe system for a fan voltage 10 5 V Pipe Ø 25 mm Additional pipe Ø 12 mm 40 m 8 x 3 m Max number of air sampling openings n per pipe system 8 units Min distance between 2 air sampling openings 0 1 m Max distance betwee...

Page 53: ...d dampers or bends the main speed ranges must be monitored see Figure 3 16 Figure 3 17 When installing a pipe system in air conditioning ducts the following must be observed Since the FAS 420 TM and the pipe system are located in different pressure ranges an air return pipe see Figure 3 18 must be provided The pipe entries into the duct must be airtight The portion of the pipe system that is outsi...

Page 54: ...e hole Arrangement The air sampling openings must face the airflow Note when planning that the air conditioning ducts are often only accessible from two sides for installation of the pipe system Example Figure 3 19 shows two planning examples of pipe systems in air conditioning ducts Figure 3 18 Air return pipe F Front view A Plan view 1 Air conditioning duct 2 Duct adapter 3 Airflow 4 Aspiration ...

Page 55: ...in accordance with DIN VDE 0833 part 1 80 charged in 24 hrs The current in the event of an alarm is calculated according to the following formula Calculation of current for space protection Equipment protection Charging current The power for charging the rechargeable battery is calculated with the following formula Figure 3 19 Ducts with small and large duct cross sections A Cross sectional area o...

Page 56: ...Total current of all connected aspirating smoke detectors in A IA Alarm current of an aspirating smoke detector in A IQ Standby current of an aspirating smoke detector in A IPSmax Max power supply of the network power supply in A IL Charging current of the rechargeable batteries 80 of the nominal capacity within 24 hours in A Kn Rated capacity of the rechargeable battery in Ah n Total number of co...

Page 57: ...e formula is only applicable with bridging times 24 hours The Fire System Designer FSD enables case specific calculations to be carried out for planning Bosch LSN improved version fire panels Kn Rated capacity of the backup batteries in Ah IQ Standby current of an aspirating smoke detector in A n Total number of connected aspirating smoke detectors t Required bridging time in hrs Ig Total current ...

Page 58: ...potentially essential lightning and surge protection measures in compliance with relevant standards 4 2 Setting the Detector Address Figure 4 1 Setting the detector address The aspirating smoke detector s address is set using the 8 pin DIP switches on the PC board and a suitable sharp object The default address is 0 all DIP switches to off The DIP switch settings for all approved addresses are lis...

Page 59: ...a short downward angled pipe see Figure 4 2 Turning the detector module in the cover In order to turn the detector module in the cover of the FAS 420 TM detection unit by 180 proceed as follows 1 Remove the four screws see Figure 4 3 for positions 2 Now turn the cover and fasten the detector module again with the four screws NOTICE It is not permitted to use different operating modes in one loop s...

Page 60: ...on provided on the equipment To guarantee a safe and low vibration hold the housing base must be secured with four screws 2 Fix the housing base to the surface by means of four screws in accordance with the mounting type Make sure that the housing base is not fixed under mechanical tension and that the screws are not tightened too much Otherwise the device might be damaged or undesirable secondary...

Page 61: ...isting Tighten the four screws of the detector module using a screwdriver see Figure 4 6 Figure 4 5 Connecting the aspiration pipe to the FAS 420 TM Aspirating Smoke Detector 1 Smoke aspiration pipe 1 NOTICE Do not use glue to connect the aspiration pipe and pipe connection In the event of sharp temperature fluctuations the pipe must be fixed immediately in front of the unit so that the pipe does ...

Page 62: ...ut the cable entries using a sharp object Caution Do not cut the cable entries with a knife 4 Feed the connection cable s max 2 5 mm through the prepared M20 or M25 cable entries into the device and cut to the required length inside the device 5 Wire the unit according to the connection information described below see Table 4 1 Figure 4 6 Replacing the detector module of the FAS 420 TM 1 Screws FA...

Page 63: ...oftware The parameters for each detection unit are specified in the relevant Sensor dialog window via drop down fields The default settings are marked in bold below see tables You can set the following parameters Detector module Designation Cable Function V Red Additional power supply incoming V Black V Red Additional power supply outgoing V Black a1 White LSN a incoming b1 Yellow LSN b incoming a...

Page 64: ...ed deactivated using the FAS ASD DIAG Diagnostic Software via the Settings screen The ROOM IDENT function is deactivated as standard Sensitivity Further sensitivity 0 5 m A second sensitivity can be set e g for day night mode For adjustable sensitivity levels see left 1 m 2 m Programmable Activation threshold for airflow malfunction Alarm delay 20 10 sec 30 30 sec 50 60 sec Programmable Programmab...

Page 65: ...frared port of the FAS 420 TM to the diagnostic appliance The diagnostic appliance can be secured to the aspirating smoke detector with a unit mounting or be kept in a straight line 10 with the infrared port at a distance of up to 3 m The supplied USB cable connects the diagnostic appliance to the USB port of the PC laptop see Figure 4 7 The data that is read out is stored in the appliance for 72 ...

Page 66: ...ely high flow resistance Therefore they should only be used where they cannot be avoided for structural engineering reasons If necessary reduce pipe lengths in proportion to the pipe elbows used 4 Fix the pipe system It must not sag or be possible to move it Fasten the pipes with pipe clips without rubber inserts The distance between the pipe clips should not exceed 80 cm At high temperatures redu...

Page 67: ...8 878 4 1 2010 11 5 Close open pipe ends with an end cap NOTICE Do not use pipe clips with rubber inserts since these do not allow length extensions and the pipe system could thus bend or even tear NOTICE On completion test the pipe system For tightness For fault free connections For correct planning of the air sampling openings ...

Page 68: ...ystem These clips do not allow any length extensions 5 2 Air Sampling Openings Air sampling openings Select the structure of the air sampling opening aspiration boring and the position in the pipe system according to the project specification and taking into account the planning guidelines ΔL Length change in mm L Length of the pipe to be calculated in m ΔT Maximum temperature difference in C δPVC...

Page 69: ...et to the opening see Figure 5 3 3 Glue the marking tape over the aspiration reducing film sheet in order to prevent the film sheet from becoming detached Figure 5 3 Applying the aspiration reducing film sheet 1 Smoke aspiration pipe 2 10 mm aspiration boring 3 Aspiration reducing film sheet 4 Marking tape for aspiration reducing film sheet 5 Fire red stripes RAL 3000 6 Transparent 7 0 7 0 7 0 7 0...

Page 70: ...eiling 4 Determine the required aspiration hose and cut to length Place the cut end of the hose onto the hose nozzle in the ceiling lead through and onto the hose connection on the aspiration pipe T fitting If necessary heat up the hose using a hot air blower 5 Glue the required aspiration reducing film sheet as per the planning guidelines onto the ceiling lead through 1 T fitting 2 Hose connectio...

Page 71: ...ion 3 9 Planning for forced airflow page 52 CAUTION If the smoke aspiration occurs in a forced airflow fan air conditioning units direct the air sampling openings depending on the exhaust speed in the airflow see Figure 5 4 Figure 5 4 Positioning the air sampling opening depending on air speed 1 Aspiration pipe with air sampling openings 2 Exhaust speed 0 5 m s 3 Exhaust speed 0 5 m s 1 2 3 30 Fig...

Page 72: ...on the side of the lower part of the housing 4 Screw the air filter housing directly onto the wall with the lower part of the housing Installation material Cylinder or flathead screws are suitable for wall mounting Maximum thread diameter 4 mm Head diameter 5 to 7 mm 5 6 Air return pipe Feed the air return pipe into the designated pipe connection of the FAS 420 TM The air return pipe fits perfectl...

Page 73: ...way tap using the transition screw connections in the pipe system When installing note the assignment of the connections see Figure 5 8 Install the aspiration pipe system on connection C Install the FAS 420 TM on connection A Attach the blast air supply blast or mobile blowing out system to connection B of the three way tap Refer to Section 7 7 Blowing out Process for the Pipe System page 90 for i...

Page 74: ... see arrow on plastic container Also fasten the water separator with two screws and the clamp To empty open the drain valve see Section 7 12 Maintenance Intervals page 92 5 9 Test Adapter For test purposes the pipe system connection is simply pulled out and the test pipe connected directly to the aspirating smoke detector However this is not possible if the aspiration pipe system has to be permane...

Page 75: ...rect vicinity of the aspirating smoke detector During normal operation the test adapter must always be closed It is only opened for maintenance and service purposes in order to admit test gas or smoke CAUTION Once the detection system of the aspirating smoke detector and the alarm transfer have been tested see Page 79 the test adapter must be closed again otherwise there will be an airflow malfunc...

Page 76: ...C for system requirements and connections see Section 4 5 Data Logging page 65 2 The data transmission of the FAS 420 TM takes place bidirectionally via the infrared port on the front of the device The diagnostic appliance is connected to the PC using the USB cable provided 3 The diagnostic software is started The current FAS 420 TM data is displayed on the PC s screen 6 2 Detector Module Commissi...

Page 77: ...ndent Calibration Calibration of the FAS 420 TM independently of the air pressure takes place automatically each time the detector module is inserted into the housing base and the X4 jumper is replugged or via the FAS ASD DIAG Diagnostic Software During the teach in phase the alarm detection is fully functional The operating display flashes during this time and the airflow must not be influenced i...

Page 78: ...n location of the aspirating smoke detector and enter this value into the relevant input field 3 Measure the air pressure using the handheld barometer and enter this value in the relevant input field 4 Press the Initialising button to confirm NOTICE If this measured air pressure does not correspond to the respective average height for the year the airflow sensor is not calibrated to 0 ...

Page 79: ...on line to the fire panel NOTICE In order to accelerate the alarm evaluation during gas testing the fire panel must be set to revision operation The LOGIC SENS is temporarily deactivated at this point Check If this is not the case Whether the alarm is displayed on the aspirating smoke detector Check whether the display board is connected There is a fault with the aspirating smoke detector Replace ...

Page 80: ... on the planned airflow monitoring the corresponding number of air sampling openings with some duct tape 2 Check whether the fault indication on the aspirating smoke detector is flashing and whether the malfunction is displayed on the fire panel 3 Alternatively check the data of the airflow sensor using the diagnostic appliance and a PC or laptop 4 Check whether the malfunction is displayed on the...

Page 81: ...of Airflow Sensors page 81 6 7 Functional Test of Airflow Sensors Check the functionality using a test pipe and a digital precision pressure gauge and with the aid of a PC and the FAS ASD DIAG Diagnostic Software A full functional test using the digital precision pressure gauge is described below A limited functional test can also be carried out without a digital precision pressure gauge 6 7 1 Pre...

Page 82: ...e duct tape After a short run up time the negative pressure produced by the FAS 420 TM must be 80 Pa This step can be omitted if a limited functional test is carried out without a digital precision pressure gauge Figure 6 2 Checking the pipe system connection 1 Test Pipe 2 Aspiration borings 3 Pressure measuring hose 4 Adapter 5 Digital precision pressure gauge A B Adapter connection F A S 4 2 0 T...

Page 83: ... 2 mm aspiration borings on the test pipe again 3 In the Settings screen click on the Set button at the bottom and start the airflow initialization by pressing the Initialising button The fault messages and indications must go out The Active Initialisation field in the Settings screen of the diagnostic software flashes while initialization is in progress ...

Page 84: ... the test pipe After approximately 5 secs the fault indication on the device must start to flash After approximately 35 secs the fault indication on the device must be permanently illuminated The device reports the malfunction Air flow too high static evaluation The airflow value is approximately 85 7 Close the 7 0 mm aspiration boring again After a few seconds the fault indication on the FAS 420 ...

Page 85: ...point and supply the smoke Once the selected preselection time has expired the appropriate smoke aspiration point must be charged with smoke Once the preselection time has expired the smoke must be available at the aspiration point for another 10 to 15 seconds 6 Using the smoke level check that there is no smoke in the aspiration pipe 7 Click the Start button The FAS 420 TM R RVB switches to the a...

Page 86: ...on or damage and replace it if necessary 7 3 Pipe System Check the pipe system and the air sampling openings for obstruction in areas susceptible to dust particles or icing If necessary blow out the pipe system and air sampling openings with blast air Use a mobile cylinder of compressed air blowing out system or activate the manual blowing out system located on site The components compressors comp...

Page 87: ...l the detector module out of the housing base 2 Insert the new detector module into the housing base When doing this be aware of the mechanical coding which protects the device against twisting Replug the X4 jumper 3 Retighten the four screws on the detector module using a screwdriver 4 The unit is initialized automatically when the X4 jumper is replugged Figure 7 1 Replacing the air filter of the...

Page 88: ... pull the detector module out of the housing base 2 Pull both filter brackets out of the housing base and remove the filter inserts Carry out a visual check for contamination and replace the filter if necessary Then put the filter bracket back into position 3 Retighten the four screws on the detector module using a screwdriver Figure 7 2 Replacing the air filter of the FAS 420 TM 1 Screws 2 Air fi...

Page 89: ...the cleaned or new filter inserts When using the spare filter set for the large filterbox ensure you follow the correct sequence see label on base of housing Replace the housing cover and screw it back on Figure 7 3 Changing the filter inserts in fig FAS ASD FL Filterbox Large A Primary filter B Coarse dust filter C Fine dust filter 1 2 A B C FAS 420 TM series NOTICE In applications with largely f...

Page 90: ...20 TM must be blocked for blowing out Manually blow out the pipe system for approximately 10 seconds 2 Set the lever of the tap such that the device is not connected with the pipe system or with the connection for the blast or compressed air supply Wait approximately 20 seconds so that dust and dirt raised in the pipe system can settle and thus will not be sucked through the aspirating smoke detec...

Page 91: ...essure If the sensor calibration is carried out independently of air pressure fluctuations in the air pressure can cause undesired airflow malfunctions If the change in airflow is greater than 30 the calibration of the airflow sensor can be carried out independently of the air pressure it must then be ensured that no fluctuations in air pressure can occur in the immediate environment Troubleshooti...

Page 92: ...oke aspiration point must be charged with smoke until the selected preselection time has expired Once the preselection time has expired the smoke must be available at the aspiration point for another 10 to 15 seconds 4 Once the preselection time has expired the FAS 420 TM R RVB switches to aspiration and the aspiration point is determined by the measurement of the time until smoke is detected Chec...

Page 93: ... Calibration Section 7 8 Checking the Airflow Sensor Calibration page 90 Checking Malfunction Transmission Section 7 11 Malfunction Transmission page 92 Empty water separator if necessary Section 5 8 Water separator page 73 Measure Further information can be found in Visual check Section 7 1 Visual check page 86 Detector Module and Alarm Transfer Section 7 2 Detector Module and Alarm Transfer page...

Page 94: ...dix All the permitted detector addresses are indicated in Section 8 1 DIP Switch Settings for Detector Addresses See also Section 4 2 Setting the Detector Address page 58 The form in Section 8 4 Test Log for Aspirating Smoke Detectors in the FAS 420 TM Series is required for commissioning see Section 6 Commissioning page 76 et seqq ...

Page 95: ...1 1 0 17 0 0 0 1 0 0 0 1 60 0 0 1 1 1 1 0 0 103 0 1 1 0 0 1 1 1 18 0 0 0 1 0 0 1 0 61 0 0 1 1 1 1 0 1 104 0 1 1 0 1 0 0 0 19 0 0 0 1 0 0 1 1 62 0 0 1 1 1 1 1 0 105 0 1 1 0 1 0 0 1 20 0 0 0 1 0 1 0 0 63 0 0 1 1 1 1 1 1 106 0 1 1 0 1 0 1 0 21 0 0 0 1 0 1 0 1 64 0 1 0 0 0 0 0 0 107 0 1 1 0 1 0 1 1 22 0 0 0 1 0 1 1 0 65 0 1 0 0 0 0 0 1 108 0 1 1 0 1 1 0 0 23 0 0 0 1 0 1 1 1 66 0 1 0 0 0 0 1 0 109 0 1 ...

Page 96: ...1 1 1 146 1 0 0 1 0 0 1 0 189 1 0 1 1 1 1 0 1 232 1 1 1 0 1 0 0 0 147 1 0 0 1 0 0 1 1 190 1 0 1 1 1 1 1 0 233 1 1 1 0 1 0 0 1 148 1 0 0 1 0 1 0 0 191 1 0 1 1 1 1 1 1 234 1 1 1 0 1 0 1 0 149 1 0 0 1 0 1 0 1 192 1 1 0 0 0 0 0 0 235 1 1 1 0 1 0 1 1 150 1 0 0 1 0 1 1 0 193 1 1 0 0 0 0 0 1 236 1 1 1 0 1 1 0 0 151 1 0 0 1 0 1 1 1 194 1 1 0 0 0 0 1 0 237 1 1 1 0 1 1 0 1 152 1 0 0 1 1 0 0 0 195 1 1 0 0 0 ...

Page 97: ... C C 0 8 A B B C C C C C 0 9 A B B C C C C C 1 0 A B B C C C C C 1 1 A B C C C C C C 1 2 A B C C C C C C 1 3 B B C C C C C 1 4 B B C C C C 1 5 B B C C C C 1 6 B C C C C C 1 7 B C C C C 1 8 B C C C C 1 9 B C C C C 2 0 B C C C Pipe shape UFan V Number of openings 1 2 3 4 5 6 7 8 I 9 40 40 40 40 40 U 9 50 50 50 50 50 50 50 50 M 9 50 50 50 50 50 50 50 50 Double U 9 50 50 50 50 50 50 50 50 Pipe shape U...

Page 98: ... B B C C C C 0 7 A B B C C C C C 0 8 A B B C C C C C 0 9 A B C C C C C C 1 0 A B C C C C C C 1 1 B B C C C C C 1 2 B B C C C C 1 3 B C C C C C 1 4 B C C C C 1 5 B C C C C 1 6 B C C C C 1 7 B C C C 1 8 B C C C 1 9 B C C C 2 0 B C C C Pipe shape UFan V 1 2 3 4 5 6 7 8 I 9 40 40 40 40 40 U 9 50 50 50 50 50 50 50 50 M 9 50 50 50 50 50 50 50 50 Double U 9 50 50 50 50 50 50 50 50 Pipe shape UFan V 1 2 3...

Page 99: ...eight m above sea level Air pressure hPa Fan voltage 9 13 5 V Airflow m sec Temperature C Obstruction malfunction LED flashes Relay fails after delay Signal transmission to fire panel Cause eliminated LED off Relay activates after drop below threshold Cause eliminated LED saved Relay remains off for min 100 secs Breakage malfunction LED flashes Relay fails after delay Signal transmission to fire p...

Page 100: ...zation permanently at air sampling opening C yes no sec LED localization permanently at air sampling opening D yes no sec LED localization permanently at air sampling opening E yes no sec Response indicators Air sampling opening A yes no Air sampling opening B yes no Air sampling opening C yes no Air sampling opening D yes no Air sampling opening E yes no Legend OK not OK Place Issuer Date Signatu...

Page 101: ... cap 22 54 67 Equipment monitoring 11 12 23 34 F FAS ASD DIAG Diagnostic Software 9 17 21 28 64 65 76 77 81 84 92 Fault indication 80 84 Filter change 89 Fittings 12 23 28 66 Flow resistance 35 66 Flow speed 52 Freiblasen 90 Functional test 81 H High speed units 52 Hochgeschwindigkeitsanlagen 52 I I pipe system activation thresholds 45 Installation material 72 I pipe system 35 I pipe System Simpli...

Page 102: ...102 en Index FAS 420 TM Aspirating Smoke Detector F 01U 088 878 4 1 2010 11 Operation Guide Bosch Sicherheitssysteme GmbH W Water Separator 31 Water separator 13 22 26 28 ...

Page 103: ......

Page 104: ...Bosch Sicherheitssysteme GmbH Robert Koch Straße 100 D 85521 Ottobrunn Germany Telefon 089 6290 0 Fax 089 6290 1020 www boschsecurity com Bosch Sicherheitssysteme GmbH 2009 ...

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