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Automatic Detectors LSN improved
FAP‑O 520 | FAP‑O 520‑P | FAP‑OC 520 | FAP‑OC 520‑P en
Operation Guide
Automatic Detectors LSN improved
Table of contents
Functional Description of the Sensor Technology
Network Topologies for LSN Improved
Detector Base/Detector Base with Relay
Built-in Housing for Concrete Ceilings
General Notes for Detector Testing
Inspection Procedure for FAP‑OC 520
Inspection Procedure for FAP‑O 520
Detector Bases/Remote indicators
Table of contents | en 3
Bosch Sicherheitssysteme GmbH Operation Guide 2019.11 | 4.0 | F.01U.025.877
4 en | Product Description
1 Product Description
Automatic Detectors LSN improved
Figure
1.1: 520 Series Fire Detector
The 520 Series Fire Detectors combine the advantages of the LSN improved technology with the aesthetic benefits of flush-mounted installation and the option to choose the color. The detectors can be connected to any LSNi fire panel. They can also be connected to all classic
LSN fire panels.
The detectors with associated trim ring are available in the versions white and transparent with color toning inserts. Through the use of the supplied color toning inserts, optimum adjustment to many different environments becomes possible.
The lack of an optical labyrinth and their easily-cleaned smooth surface means the detectors are also suitable for applications in high-dust areas.
The low profile, flush-mounted design allows the use the detectors even in areas that must be free of protrusions.
Thanks to the geometric arrangement of two separate optical sensor systems, the detectors are not sensitive to interference, such as that caused by insects. The scattered light volume that is evaluated by the sensors is located in the free space a few centimeters below the ceiling.
The contamination level is measured constantly. Contamination of the detector surface leads to an active adjustment of the threshold (drift compensation) and a fault indication at the panel in the case of heavier contamination.
The detector is available as a scattered light fire detector only or as a multisensor detector with an additional gas sensor.
The combination of scattered light detector and gas sensor allows the evaluation of signals with the help of modern signal processing methods. The result is high immunity against deceptive alarms and extended application possibilities in environments that are not suitable for pure scattered light smoke detectors.
The integrated rotary switches allow for an automatic or manual allocation of addresses.
The FAP‑520 Detectors can be connected directly to the Local SecurityNetwork LSN.
Accessories
The 520 Series Detectors are generally mounted flush with the ceiling in false ceilings. The detector and base are installed in a robust ceiling mount back box. In addition, a housing for mounting within concrete ceilings can be used.
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Automatic Detectors LSN improved Product Description | en 5
For special applications where recessed ceiling mounting is not possible, a surface mount back box is available. This is used as an alternative to the ceiling mount back box. The surface mount back box with damp room seal also allows the detector to be used in a humid environment. For special applications, e.g. control of an emergency door in accordance with
DIBt, base variants are available with relay. All bases have an integrated strain relief for cables.
The connection terminals are easily accessible. Cables up to 3.3 mm 2 in cross section can be used.
An innovative concept for locking the detector module utilizing the push‑in/push‑out principle allows very quick and easy insertion and exchange of the click and lock detector.
For the detector test and detector exchange, a special user-friendly service accessory is available.
Overview of the 520 Series Detectors and Accessories
FAP-O 520
FAP-OC 520
+
FAA-500-TR-W +
FAA-500-BB FAA-500-CB
FAA-500
FAA-500-R
+
FAA-500-TR-P
FAP-O 520-P
FAP-OC 520-P
Figure
1.2: 520 Series Detectors and Accessories
Detectors LSN improved:
FAA-500-SB-H
- FAP-O 520
- FAP-O 520-P
Optical Fire Detector LSN improved, white
Optical Fire Detector LSN improved, transparent with color toning inserts
- FAP-OC 520
- FAP-OC 520-P
Multisensor Fire Detector LSN improved, optical/chemical, white
Multisensor Fire Detector LSN improved, optical/chemical, transparent with color toning inserts
White Trim Ring for detectors 500 and 520
Series - FAA-500-TR-W
- FAA-500-TR-P Transparent Trim Ring with color toning inserts for detectors 500 and
520 Series
LSN Detector Bases:
- FAA-500 LSN Detector Base
- FAA-500-R LSN Detector Base with Relay*
* for connection to the Modular Fire Panel FPA‑5000 only
Mounting Boxes:
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6 en | Product Description Automatic Detectors LSN improved
1.1
- FAA-500-BB
- FAA-500-CB
Ceiling Mount Back Box
Built-in Housing for concrete ceilings
- FAA-500-SB-H Surface Mount Back Box with damp room seal
Service Accessories:
- FAA-500-RTL
- FAA-500-TTL
Detector Exchanger for 500 and 520 Series Detectors
Test Adapter with Magnet for 500 and 520 Series Detectors
Performance Features
– Fulfills the highest aesthetic demands through the flush-mounting design and the possibility of color toning
– Smooth, easily-cleaned detector surface
– Quick and easy insertion and exchange of the detector thanks to innovative detector locking mechanism (click and lock principle)
– Easily-visible two-color LED for display of alarm, trouble and test mode
– Self-monitoring of the sensors, with display on the fire panel:
– Fault indication upon failure of the evaluation electronics or one of the LEDs of the optical sensor
– Three-stage contamination display (analog value can be read out at service)
– Fault indication in the case of heavy contamination (instead of false alarm)
– Fault indication in the case of CO sensor failure (for the FAP‑OC 520)
– Thanks to integrated isolators, the LSN loop will continue to function in case of wire interruption or short-circuit of a detector
– Active adjustment of the threshold (drift compensation) if the optical sensor becomes contaminated
– Active adjustment of the threshold (drift compensation) of the chemical sensor
– Increased detection and false alarm immunity thanks to evaluation of the time behavior of fire and disturbance variables
– Programmable sensitivity, i.e. can be adjusted to the area of operation
– Flexible network structures, including T‑taping without additional elements
– Automatic or manual address allocation with or without auto‑detection via integrated rotary switches
– Detector individual identification on the fire panel in the case of alarm
– A pre‑alarm is signaled when 50
% of alarm threshold is reached (indicator in the event database of the fire panel).
– Serial number, contamination level, operating hours and current analog values can be read out from each configured detector
– Activation of an external detector alarm display is possible (not for relay bases)
– Activation of external devices by the relay base is possible
– Easily‑accessible connection terminals
– Service accessories for simple and comfortable detector test and exchange
– When using the FAA‑500‑TTL test adapter, an integrated reed switch automatically switches the detector into the test mode.
– Can be connected to the LSN fire panels FPA‑1200, FPA‑5000, BZ
500
LSN,
UEZ 2000 LSN, UGM 2020 and to other fire panels or their receiver modules with identical connection conditions.
– EN54-7 and EN54-17 certified
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Automatic Detectors LSN improved
1.2
1.3
System Description
Product Description | en 7
All detectors in the 520 Series are equipped with two optical sensors and a pollution sensor.
The FAP‑OC 520 Multisensor Detector contains a gas sensor as an additional detection channel.
The response sensitivity of the detector can be programmed with the programming software via the LSN network. All sensor signals are analyzed continually by the internal signal evaluation processor and are linked with each other.
By linking the optical sensors and the gas sensor, the OC detector can also be used in places where the work carried out gives rise to small amounts of smoke, steam or dust. The alarm will only be triggered automatically if the signal combination corresponds with the characteristic diagram of the installation location that was selected during configuring.
Configuration of the Detector
1
3
2
4
5
6
3
2
1
Figure
1.3: Detector front panel with sensors
2 3
1.4
7
Figure
1.4: Side view of detector cover
2
3
4
Position Description
1 Optical sensor
Receiver (photo diodes)
Transmitter (LEDs)
CO sensor (only OC-variants)
Position Description
5 Two-color LED: red = alarm green = test mode / trouble
6 Pollution sensor
7 Measuring area
Functional Description of the Sensor Technology
Optical sensor (smoke sensor)
The optical sensor (refer to Configuration of the Detector, page 7
(1) ) operates according to the scattered light principle.
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8 en | Product Description
1.5
Automatic Detectors LSN improved
The LEDs (refer to
Configuration of the Detector, page 7
(3) ) transmit light at a defined angle
into the measuring area (refer to Configuration of the Detector, page 7
(7) ). In case of fire, the
(2) ), which transform the quantity of light into a proportional electrical signal.
The effects of daylight and commercial lighting sources are filtered out with an optical daylight filter and by the use of electronic filtering and phase-locked rectification (ambient light stability: dazzling test EN 54‑7).
The various light-emitting and photo diodes of the detector are individually activated.
Consequently, signal combinations are produced that are independent of each other and ideally suitable for the detection of smoke, which makes it possible to differentiate between smoke and interference agents (insects, objects). In addition, the time characteristics and the correlation of the optical sensor signals for the fire or interference detection are evaluated.
Moreover, plausibility checking of the various signals makes it possible to detect errors in the evaluation electronics and the LEDs.
Chemical sensor (CO gas sensor)
The gas sensor (refer to
Configuration of the Detector, page 7
(4) , only FAP‑OC 520(-P)) detects mainly the carbon monoxide (CO) that is produced by a fire, but it also detects hydrogen (H) and nitrogen monoxide (NO).
The basic measuring principle is CO oxidation on an electrode and the measurable current that arises from this. The sensor signal value is proportional to the concentration of gas. The gas sensor supplies additional information in order to reliably suppress the disturbance variables.
The CO sensor is monitored by supervision of the internal capacity. If the capacity lies outside the permitted range, a malfunction signal is output on the fire panel. In this case, the detector continues to operate purely as a scattered light smoke detector.
Pollution sensor
The contamination level of the detector surface is measured and evaluated continuously by the
pollution sensor (refer to Configuration of the Detector, page 7
(6) ). A three-stage
contamination display can be read out at service (refer to Maintenance and Service, page 23
).
LED Operation
The two-color LED of the detector indicates the operation and alarm statuses.
During the whole life cycle, the sensors are self-monitored and the sensitivity is self-adjusted according to the programmed threshold. In case the detector is heavily contaminated, a message is sent to the fire panel.
In case of an alarm, the LED flashes red. The detector is set back to standby if the alarm is reset via the fire panel and if the cause of the alarm is gone.
LED Operation
Status
Standby
Alarm
Trouble
Test mode
LED off red, flashes off green, flashes once every second
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2
2.1
Planning Notes
General Notes
Planning Notes | en 9
Notice!
The 520 Series Detectors are approved for indoor use only! The detectors must be installed exclusively in the FAA‑500 Series Bases provided. In addition, the detector base must be installed in an FAA‑500‑BB Ceiling Mount Back Box or in an FAA‑500‑SB-H Surface Mount Back
Box.
– Country-specific standards and guidelines must be observed during the planning phase.
– The FAP‑OC 520, like the FAP‑O 520, is planned according to the guidelines for optical detectors (refer to EN
54 and VDS
2095).
– A hemispherical space (1) with a radius of 50 cm must remain free below the detector
(2) .
Care must be taken to ensure that no people, larger animals, plants, opening doors or any objects intrude into this area and that no parts of the detector surface become covered.
1
2.2
2
Figure 2.1: Radius
– The detector may only be installed in a position which is out of arm's reach.
Minimum installation height recommended by BOSCH: 2.70
m.
– The 520 Series Detectors may not be installed in rooms with data transmission by means of high-intensity infra-red light (e.g. in rooms with IR systems for interpreters).
– The detectors must be mounted so that they are not exposed to any direct sunlight.
– A minimum distance of 50 cm from lamps must be maintained.
The detectors may not be mounted in a cone of light from lamps.
– By default, the bases are equipped with a spring for mounting the detector in concrete and wooden ceilings. This spring is identifiable by the blue marking. For mounting a detector in a false ceiling panel you can use the additional, softer spring in the package identifiable by the yellow marking. (Note that this application does not meet EN54-7).
– Maximum permitted air speed: 20
m/s.
Network Topologies for LSN Improved
In an improved version Local Security Network (LSN improved), the detectors can be configured as a loop, a stub or T-tap or in any mixed loop or T-tap structures. However, it is important to note that mesh structures cannot be created.
The LSN improved version allows T-taps on stubs or loops and any number of nodes, branches per node and elements per branch as long as the maximum number of elements does not exceed 254.
Connections can be positioned anywhere along the LSN line.
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10 en | Planning Notes Automatic Detectors LSN improved
Notice!
Planning should take the anticipated total current and line resistance into account to ensure each detector has an operating voltage of at least 15 V DC.
As soon as an LSN classic device is in a loop or stub, only loop or stub structures can be used. In this case, T-tapping is no longer possible.
FPA-5000 FPA-5000 FPA-5000
1: Loop
FPA-5000
2: 1 or 2 stubs
FPA-5000
3: T-tap
4: 1 or 2 stubs and T-taps mixed
Tab.
2.1: Possible structures in LSN
5: Loop and stubs mixed with
T-taps
When configuring the detectors, it is essential to ensure that no mesh structures are created.
FPA-5000 FPA-5000
Mesh structures within a stub structure
Tab.
2.2: Unusable network structures
Mesh structures within a loop structure
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3
3.1
Installation
Installation | en 11
Notice!
The 520 Series Detectors may only be installed with an FAA‑500 Detector Base in combination with an FAA‑500‑BB Ceiling Mount Back Box or an FAA‑500‑SB-H Surface Mount
Back Box.
Notice!
By default, the bases are equipped with a spring for mounting the detector in concrete and wooden ceilings. This spring is identifiable by the blue marking. For mounting a detector in a false ceiling panel you can use the additional, softer spring in the package (yellow marking).
In this use case, the detector must not be subjected to strong vibrations (> 350 m/s). The shock resistance according to EN 54-7 is not warranted then.
Ceiling Mount Back Box
Figure
3.1: Ceiling mount back box
The ceiling mount back box (refer to figure) is made of white polypropylene.
It has four cable bushings with tightly-closing rubbers lips of polyflam that are suitable for cable diameters up to 1.4
cm.
When used with a base, approx. 30 cm of cable length can be accommodated in the upper area of the ceiling mount back box.
Notice!
The false ceiling may have a maximum thickness of 32
mm.
Above the false ceiling, a free height of at least 11 cm is required.
4 Bore a circular hole with a diameter of 130
mm (tolerance -1
mm to +5
mm) in the false ceiling.
Notice!
A hole saw with Ø 133 mm can be obtained from:
Wittmann-Komet, Metal Cutting Saws GmbH & Co. KG, Alte Str. 28, D-79576 Weil am Rhein,
Tel.
++49‑7621‑9783-0, www.wittmann-komet.de
1
2
3
129 m m
Figure
3.2: Plan view and side view of the ceiling mount back box FAA‑500‑BB
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Position Description
1 Bracket
Position Description
3 Cable bushing
2 Screws for fastening base
1.
Pull the cable through one of the cable bushings (3) . A cable tie around the cable sheath will secure the cable against being pulled out accidentally.
2.
Insert the ceiling mount back box in the false ceiling from below.
3.
A triangular marking (M) is impressed into the outer edge of the ceiling mount back box.
Turn the ceiling mount back boxes so that all markings are in a line. In this way, the long, middle windows of the detectors will later appear in a line to give a harmonious overall visual effect.
4.
Tighten the brackets (1) .
Notice!
It is recommended that for the usual, soft false ceiling panels, you do not use a cordless screwdriver.
M
3.2
FAA-500-BB FAA-500
Figure
3.3: Alignment of ceiling mount back box, base and detector
FAP-O 520 (-P)
FAP-OC 520 (-P)
Detector Base/Detector Base with Relay
146 mm
LED
Figure
3.4: Side view of base
The base housings (refer to figure) are made of white polycarbonate.
The screw terminals (for cables with cross section from 0.3
mm 2 to 3.3
mm 2 ) guarantee a secure electrical connection through the clamped contacts when mounting the detector. The bases are provided with three mounts for cable ties. These can be used for fastening the base during the wiring‑up.
Notice!
Detector bases with relay (FAA‑500‑R) can only be used in combination with the modular fire panel series 1200 and 5000.
In cases where relay bases are used, no external detector alarm display can be connected.
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Connecting the base
Wire up the LSN base according to the labeling in the outer ring (3) .
1
Installation | en 13
2
3
4
Figure
3.5: Plan view base
Position Description
1 Connection terminals
2 Mount for cable ties
bk
0V
+V
FAA-500(-R)
rd
Position Description
3 Labeling on LSN connections
4 Fastening slot
bk rd
3 b2
1
ye wh
MPA
LSN a1/a2
LSN b1 gn
2
Figure
3.6: Connection of bases
Position Description
1 Fire panel
2 Remote indicator (optional), not for relay bases
ye wh gn
Position Description
3 Next detector
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14 en | Installation Automatic Detectors LSN improved
Connection
Voltage - *
Voltage + *
LSN a in/out
LSN b in
LSN b out
Remote indicator output
Shielding
Relay outputs** (only
FAA‑500‑R)
Terminal
0V
+V a1/a2 b1 b2 c
Wire black (bk) red (rd) white (wh) yellow (ye) yellow (ye)
[green (gn)]
NO
NC
COM
* Terminals for looping through the power supply for other LSN elements
**For switching capacity refer to Detector Base, page 29
The base is fastened into the ceiling mount back box with four screws. It can be rotated in the long slots through an angle of 20° so that fine alignment is possible.
1 2
3
4
5
Figure
3.7: Placing the base in the ceiling mount back box
Position Description
1 Alignment of the marking on the ceiling mount back box
Position Description
4 Spring
2 Single guide-groove 5 Triple guide-groove
3 Long slot for fastening the base
1.
Place the base in the ceiling mount back box so that the marking on the backbox (1) coincides with the single guide-groove on the base (2) .
2.
Turn the base until the fastening screws are approximately in the middle of the long slots
(3) .
3.
Adjust the bases around this position until they appear in a line.
4.
Tighten the four screws.
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3.3
Address Allocation
Installation | en 15
The detector's address is allocated by setting three rotary switches located on the back of the device.
Use a flat-bladed screwdriver to position each switch. The switches will click when turned.
All detectors delivered ex factory are set to 0 0 0.
CL/
Xxx xXx xxX
3.4
Figure
3.8: Rotary switches
Position Description
CL LSN classic mode
Position Description xXx Tens
Xxx Hundreds xxX Ones
When connecting the detectors to the LSN fire panels BZ 500 LSN, UEZ 2000 LSN or
UGM 2020, all detectors have to be addressed by CL 0 0.
When connecting the detectors to the Modular Fire Panel FPA1200/FPA‑5000, the address allocation is done automatically or manually.
In case of a manual allocation, all detectors of the same loop, stub or T‑tap have to have an address between 001 and 254. Addresses between 255 and 299 are not allowed and produce a fault message on the fire panel.
If the addresses shall be allocated automatically by the fire panel, all detectors must have the address 0 0 0.
Address
CL 0 0
Operating mode
Loop/stub in classic LSN mode
0 0 1 - 2 5 4 Loop/stub/T-tap system in LSN improved mode with
0 0 0 manual addressing
Loop/stub in LSN improved mode with automatic addressing (T-tap system not possible)
Fire Panel
BZ 500 LSN
UEZ
2000
LSN
UGM 2020
FPA 1200
FPA 5000
FPA 1200
FPA 5000
FPA 1200
FPA 5000
Detector and Trim Ring
Notice!
The packaging of the detectors with C sensor consists of tear-resistant PE‑ALU laminated film and must be cut open carefully.
Do not remove the protective film until the detector is ready to be fitted.
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Inserting the color rings
Notice!
Do not switch detector front plates.
The pollution sensor is calibrated individually for each detector and its front plate.
Switching front plates can result in a display of wrong pollution values.
1 2 4 5 8 9
1
7
3 6
FAA-500-TR-P
Figure
3.9: Inserting color rings, detector and trim rings
1.
The detector front panel (1) is secured with a small snap-fit hook (2) on the triple groove at the side. Insert the supplied opener (3) into the slot above the snap-fit hook (4) , fasten the opener with the thumb and rotate the front panel anti-clockwise.
2.
The desired color rings from the supplied set (5) are laid on the front panel (1) and the detector placed on top. The front panel will only fit in one position.
3.
Rotate the front panel clockwise until it engages. The sensor window must remain unobstructed.
4.
Insert the desired color ring into the FAA‑500‑TR‑P Trim Ring (6) .
Inserting the detector and trim ring
Notice!
The FAA‑500‑RTL Detector Exchanger is recommended for inserting and removing the detectors.
1.
Push the trim ring onto the base until it is heard to engage (7) .
2.
Remove the protective film from the detector surface.
During initial set-up, the system will detect that a detector does not have a protective film and signal an O-malfunction.
3.
Insert the detector and press it gently upwards. Locking is achieved by a click and lock mechanism.
The guide grooves ensure the detector can only be inserted into the base in the correct position.
In the case of very high installation heights: The two easily-visible contact faces (8) are on the same side as the single guide-groove (9) .
Removing the detector and trim ring
1.
To remove, push the detector gently upwards in the middle. In this way the locking is released.
2.
To take off the trim ring, carefully lift it up on one side.
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3.5
Built-in Housing for Concrete Ceilings
218
Installation | en 17
3.6
103
20
1
131
Figure
3.10: FAA-500-CB built-in housing
The FAA‑500‑CB Built-in Housing is used for the installation of the detector into concrete ceilings. It allows for easy connection of conduits.
The FAA-500-CB Built-in Housing is placed on the concrete form, fastened and secured against floating. During fastening make sure the nails are located in the area of the Styrofoam, to prevent interference when cutting the Styrofoam.
Pipe or cable inlets at the FAA‑500‑CB Built-in Housing within the wall areas are made with a universal cutting tool. After removing the form-boards, the front part (1) is opened with a fretsaw or hole saw.
Into the hole of the built-in housing, a FAA‑500‑BB Ceiling Mount Back Box is then inserted which takes base and detector.
Surface Mount Back Box
∅ 150 mm
∅ max.:
6--12 mm
13,5 mm
∅ 20 mm
8,5 mm
4,1 mm
35 mm
12
0 m m
8,5 mm
F.01U.000.654
> PC--FR <
∅ max.:
6--12 mm
13,5 mm
∅ 25 mm
20 mm 40,5 mm
14,5 mm
Figure
3.11: FAA-500-SB-H Surface Mount Back Box
The FAA-500-SB-H Surface Mount Back Box allows flush and surface cable duct. The box has a seal for damp rooms.
For surface cable duct use the side knockouts. For flush cable duct, there are two openings in the bottom.
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Using 13.5
mm cable glands, the maximum cable gauge is 12 mm.
Mounting occurs:
– via the elongated slots or
– via the four mounting holes to mount directly to 4 inch electrical boxes or single gang switch boxes (for US)
3.7
FAA--500/FCA-500 FAA--500--SB-H
Figure
3.12: Fastening points for mounting
The base is mounted inside the back box via four fastening points.
Remote indicator
A Remote Indicator is required if the detector is not directly visible or has been mounted in false ceilings or floors.
The remote indicators should be installed in corridors or access pathways to the corresponding building sections or rooms.
Notice!
When using unshielded cables for the connection of the remote indicator, the maximum cable length is 3m. No limitation when using shielded cables.
Installation of the FAA-420-RI Remote Indicator
!
Warning!
Malfunction and Damage
If maximum current consumption of the connected detector is larger than 20
mA, it can result in malfunction and damage to the remote indicator.
a) Ensure, that the maximum current consumption of 20 mA is not exceeded b) Use point‑type automatic Bosch detectors, which have an internal resistor that limits the current consumption.
Before assembly remove the cap from the base plate
1.
Unlock the snap‑fit hook by pressing on it with a flat object and lift the cap carefully
2.
Remove the connection board for easy access.
3.
Mount the base plate directly on a dry, level surface with two or four screws.
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Automatic Detectors LSN improved Installation | en 19
1.
For surface-mounted cables, break out the prepunched cable entries.
2.
For flush-mounted cables, insert the cable through the opening under the connection board.
3.
Secure the cable with a zip tie on the base plate.
!
FAA‑420‑RI‑DIN
Warning!
Malfunction and Damage
Note the maximum permitted current supply respectively the input voltage range of the functional modes.
4 Wire the remote indicator as shown.
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20 en | Installation Automatic Detectors LSN improved
2
Mode Terminal connection
1
+
Alarm condition
The remote indicator shows steady red light.
The remote indicator shows steady red light.
+
3 The remote indicator shows flashing red light.
+
Operate in mode 1 and 3 only, when connected to LSN detectors.
1.
Place the cap on the base plate in such a way that the two hooks are inserted into the slits.
2.
Press the cap lightly onto the base plate until the snap‑fit‑hook engages.
FAA‑420‑RI‑ROW
1.
Wire the remote indicator as shown.
2.
Place the cap on the base plate in such a way that the two hooks are inserted into the slits.
3.
Press the cap lightly onto the base plate until the snap‑fit‑hook engages.
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4 Programming
Programming | en 21
LSN detectors are programmed according to the required operating mode.
Programming is carried out with the programming software using a PC or laptop connected to the fire panel.
The suitable response sensitivity of the multisensor detector is programmed by specifying the operating location (e.g. computer room, office, large kitchen). The selection of the operation location determines the optimal characteristic diagram for the fire and disturbance variable evaluation.
If, according to the operating location, a low sensitivity is set for the optical sensor, the alarm goes off only if the detector senses high levels of smoke and of CO at the same time. This is the case with open or smouldering fire.
Programming the multisensor detector and linking all detectors by algorithms, considerably increases the fire detection reliability and lowers the false alarm rate.
Operating locations for multisensor fire detector
(FAP‑OC 520) selectable via the programming software
Office (smokers) / waiting room / restaurant / conference room
Sensitivity
O unit low
Conference room / waiting room / exhibition hall low
Warehouse with vehicle traffic
Production facilities
Kitchen / casino / restaurant during operation low low low
C unit
Garage
Office (daily operation)
School / kindergarten low medium medium
The sensitivity of the C
unit is always equally high, regardless of the operating location
Theaters / concert halls
Office (no traffic) medium high
Computer room high
High-board warehouse without vehicle traffic with internal combustion engines high
In the case of the optical FAP‑O
520 detector, the sensitivity of the optical sensors can be set on three levels. Depending on the operating location, the optical sensor of the detector is thus adjusted to the environmental conditions. For fire detection, also the time behavior of the fire characteristics is evaluated. This is very different from the time behavior of the disturbance variables.
Operating location and recommended setting for optical fire detector (FAP‑O 520) selectable via the programming software
Office (smokers) / waiting room / restaurant / conference room
Conference room / waiting room / exhibition hall
Warehouse with vehicle traffic
Sensitivity O
unit low low low
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22 en | Programming Automatic Detectors LSN improved
Operating location and recommended setting for optical fire detector (FAP‑O 520) selectable via the programming software
Production facilities
Office (daily operation)
School / kindergarten
Theaters / concert halls
Office (no traffic)
Computer room
High-board warehouse without vehicle traffic with internal combustion engines
Sensitivity O low medium medium medium high high high
unit
Notice!
For execution of the function test for the FAP‑O 520 and FAP‑OC 520 detector, the detector must be switched to test mode. This can be carried out via the fire panel or via the reed
switch at the detector with the help of a magnet (see Maintenance and Service, page 23 ).
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5 Maintenance and Service
Maintenance and Service | en 23
For maintenance and inspection work on security systems, the regulations laid down in
DIN VDE 0833 strictly apply in Germany; these refer to the maintenance intervals specified by the manufacturer.
Notice!
The 520 Series Detectors do not require to be removed from their bases for routine maintenance.
If occasionally a detector requires replacement due to a design change or damage to the device then this should be carried out by a qualified engineer.
This should only be undertaken when the system is offline and the user has made alternative arrangements for emergency evacuation.
– Maintenance and inspection work should be carried out regularly and by trained technical personnel.
– Bosch recommends a functional and visual inspection at least once a year.
Test steps
Check of the LED display
Visual check of the mounting
Visual inspection for damage and contamination of the detector surface
Check monitoring area for limitations of function and interference caused by lamps
Test of the optical sensors (see
Inspection Procedure for FAP‑O 520, page 26
)
Combined test with detector test device and CO testing gas (see
Inspection Procedure for FAP‑OC 520, page 25
)
FAP-OC 520
Detector type
O OC
X X
X X
X X
-
X
X -
X
X
Notice!
Due to the life expectancy of the gas sensor, the FAP‑OC
520 detector switches off the
C sensors after approx. 5 years of operation. The detector will continue to function as an
O detector. An according fault indication is displayed on the fire panel.
Exchange the detector immediately in order to keep up the higher detection reliability of the
OC detector.
Notice!
The cleaning intervals depend on the environmental conditions.
The detector can be wiped over with a soft cloth and a proprietary plastic cleaning agent.
Cleaning should only take place in test mode.
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24 en | Maintenance and Service
5.1
5.2
Notes for the Service
Automatic Detectors LSN improved
Notice!
The serial number, contamination level, operating hours and current analog values can be read out at all configured detectors (BZ
500
LSN, UEZ
2000
LSN, UGM
2020: via WinPara,
FPA‑1200/FPA-5000: via panel display).
Contamination level: The contamination level is given as a percentage:
Contamination level Fire panel display Required action
Light (> 50 %) LS contam Clean at next service
Moderate (> 75
%) LS dusty Reliability of detection is still guaranteed, clean as soon as possible
Heavy (100
%) LS malfunction Reliability of detection no longer guaranteed, fault indication at the fire panel
Operating hours: Display of the operating time in hours since first putting into operation.
Current measurement values:
Analog smoke value of the scattered light sensor:
Detector state
New detector, as supplied
Light contamination
Heavy contamination
Value
< 300
> 500
> 600
Malfunction will be triggered > 700
Maximum measurement value 1023
CO value: Current measurement value of the CO sensor (only in the case of FAP‑OC 520). The maximum measurement value is 1023.
General Notes for Detector Testing
The FAP‑OC
520 detector has an additional sensor for CO detection in case of fire. The CO sensor provides improved response behavior and increased stability against nuisance alarms in critical environmental conditions.
For fire detection, FAP‑520 detectors use the time behavior of the fire characteristics, which differs from the time behavior of disruption variables. Therefore, for a functional test, the detector must be switched to test mode. Switching to test mode can occur in two ways, which are described in the alternative test procedures (see below).
Notice!
Detectors that are programmed for two‑detector dependency must be tested in accordance with the first alternative (in test mode).
For the detector test you need:
– Detector test device for optical fire detector and
– FAA‑500‑TTL test adapter with magnet
For the OC detector you need in addition a CO testing gas for detector with CO sensor.
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5.3
5.3.1
5.3.2
Inspection Procedure for FAP‑OC
520
Maintenance and Service | en 25
1. Alternative
1.
On the central unit, switch the detector zone to be inspected into test mode. This automatically sets the detector into revision operation and readies it for the detector test.
Only in revision operation the detector’s individual sensors will trigger with the corresponding test device. For an alarm, all sensors must trigger at the same time. The
C sensor is triggered using CO test aerosol, the O sensors by being covered up. No
O testing gas is required.
2.
Now hold the test device under the detector so that the test beaker is flush with the trim ring and seals it tightly.
Make sure that the test beaker does not tilt, which could cause the detector to be lifted up and consequently become detached from its fastening.
3.
Spray the CO testing gas for approximately 1
sec.
The test head must remain over the detector until the detector has been triggered.
Distribution of the CO testing gas in the test head and therefore the sensor trigger time can take up to 20
sec.
4.
Both scattered light areas are covered by the test beaker, so that both optical sensors are also triggered at the same time.
5.
The detector triggers the alarm and the red alarm LED flashes.
2. Alternative
The detector can be tested in normal operation if a test device with magnet is used.
Notice!
Make sure that the alarm cannot be passed on to higher-level systems. Programmed activations of the central unit are retained and are executed.
The figure shows the position of the reed switch (Pos.
R) in the case of OC detectors.
If you imagine the CO
sensor (Pos.
CO) to be in a 12 o’clock position, the reed switch (Pos.
R) is located at approximately 2 o’clock.
R
C O
LED
Figure
5.1: Position of reed switch
1.
Bring the magnet close to the reed switch.
2.
The LED of the detector flashes green once a second as soon as the reed switch has been triggered. The detector will now remain in test mode for 60 sec with automatically set test parameters (e.g. reduction of the delay time to 15
sec). The green LED flashes for as long as the detector remains in test mode.
3.
Now hold the test device under the detector so that the test beaker is flush with the trim ring and seal it tightly.
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26 en | Maintenance and Service Automatic Detectors LSN improved
Make sure that the test beaker does not tilt, which could cause the detector to be lifted up and consequently become detached from its fastening.
4.
Proceed as in the case of the first alternative:
– spray with CO gas
– leave the test device on the detector for approx. 20
sec, until the alarm is triggered
Notice!
In the case of programmed intermediate alarm storage, longer trigger times occur.
5.4
5.4.1
5.4.2
1.
Both scattered light areas are covered by the test beaker, so that both optical sensors are triggered as the same time as the CO sensor (no O testing gas is required).
2.
The detector triggers the alarm and the red alarm LED flashes.
Inspection Procedure for FAP‑O
520
1. Alternative
1.
On the fire panel, switch the detector zone to be inspected to test mode. This automatically sets the detector into revision operation and readies it for the detector test.
2.
Hold a sufficiently large object (e.g. the detector test device or the detector exchanger) in both scattered light areas until an alarm is triggered. No O
testing gas is required.
2. Alternative
The detector can be tested in normal operation if a test device with magnet is used.
Notice!
Make sure that the alarm cannot be passed on to higher-level systems. Programmed activations of the central unit are retained and are executed.
The figure shows the position of the reed switch (Pos.
R) in O detectors.
If you imagine a line through the detector LED to be at the 12
o’clock position, the reed switch
(Pos.
R) is located at approximately 2 o’clock.
R
LED
Figure
5.2: Position of reed switch
1.
The LED of the detector flashes green once a second as soon as the reed switch has been triggered.
The detector will now remain in test readiness for 60
sec with automatically set test parameters (e.g. reduction of the delay time to 15 sec). The green LED flashes for as long as the detector remains in test readiness.
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Automatic Detectors LSN improved Maintenance and Service | en 27
2.
Now hold the test device under the detector so that the test beaker is flush with the trim ring. By covering the scattered light areas, both optical sensors are triggered simultaneously (no O testing gas is required).
3.
The detector triggers the alarm and the red alarm LED flashes.
Notice!
In the case of programmed intermediate alarm storage, longer trigger times occur.
5.5
5.6
Repair
In the event of any defect, the entire module/device is exchanged.
Disposal
Unusable electrical and electronic devices/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).
Packaging Film of the Fire Detectors with C sensor:
The packaging bag of the multisensor detectors with C
sensor consists of tear‑resistant
PE‑ALU laminated film and may be disposed of with the household garbage.
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28 en | Technical Data Automatic Detectors LSN improved
6
6.1
Technical Data
Detector and Trim Ring
Detector type
Detection principle
Special features
Address allocation
Operating voltage
Current consumption
Individual display
Alarm output
Indicator output
Response sensitivity:
– O
unit
– Gas unit
Max. monitoring area
Maximum installation height
Minimum installation height
Minimum distance to lamps
Permitted air speed
Permitted operating temperature
Permitted relative humidity
Protection class as per
IEC 60529
Dimensions:
FAP-OC 520 / FAP-OC 520-P FAP-O 520 / FAP-O 520-P
Combination of scattered light and combustion gas measurement
Scattered light measurement
– Contamination detection
– Drift compensation in optical and in gas measuring unit
–
–
Contamination detection
Drift compensation in optical unit
Manual or automatic address setting via rotary switches
15 to 33
3.25
mA
< 0.36
16
50
20
-10
IP
<95
cm
33
m/s
V
DC
Two‑color LED: red/green
By data word via two‑wire signal line
Open collector, switches 0 dB/m (EN in ppm-range
°C to +50 °C
54-7)
Out of arm’s reach
% (non‑condensing)
m (note local guidelines)
V over 1.5
120
m 2 (note local guidelines)
-
-20
IP
°C to +65
53
kΩ, max. 15
< 0.18
dB/m (EN
°C
mA
54-7)
– Detector without trim ring
Ø 113 mm x 55 mm (without base)/Ø 113 x 70 mm (with base)
– Detector with trim ring
Ø 150 mm x 55 mm (without base)/Ø 150 x 70 mm (with base)
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Automatic Detectors LSN improved Technical Data | en 29
6.2
6.3
Detector type
Housing material
FAP-OC
520 / FAP-OC
520-P FAP-O
520 / FAP-O
520-P
Polycarbonate
Color of detector housing Signal white (RAL 9003)
Color of detector front panel:
– White variant Signal white (RAL
9003)
Transparent/silver gray, (RAL 7001) – Transparent variant
(‑P)
Weight
(without/with pack.):
– Detector
– Trim ring
FAA‑500‑TR(‑P)
Approx. 180
g/370
Approx. 30 g/60 g
g Approx. 170
g/360
g
Detector Base
Base type
Special note
Connections
FAA‑500
-
Screw terminals for:
– Power supply (0V, +V)
– LSN
(a-in/out, b-in, b‑out)
– C‑point
– Shielding
FAA‑500‑R (with relay)
For connection to FPA‑5000 only
Screw terminals for:
– Power supply (0V, +V)
– LSN
(a-in/out, b-in, b‑out)
– C‑point
– Shielding
– Relay (NO, NC, COM)
0.2
mA Current consumption
Load capacity of relay contact -
-
Cable cross section
Material and color
1 A, 30 V DC
0.3
mm 2 - 3.3
mm 2 (22 AWG - 12 AWG)
Polycarbonate, signal white (RAL
9003)
Dimensions (Ø x H) 145.6 x 63.5
mm
Weight (without/with pack.) Approx. 200 g/280 g Approx. 210 g/290 g
Mounting Boxes
FAA‑500‑BB Ceiling Mount Back Box
Mounting dimensions:
– Thickness of the false ceiling
– Required bored hole
– Installation height
Max. cable diameter
Max. 32
mm
Ø 130 mm (tolerance -1 mm to +5 mm)
11 cm
1.4
cm
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30 en | Technical Data
6.4
Automatic Detectors LSN improved
FAA‑500‑BB Ceiling Mount Back Box
Material and color
Dimensions (Ø x H)
Weight (without/with pack.)
Polypropylene/white
140 x 104 mm
Approx. 100
g/200
g
FAA‑500‑CB Built‑in Housing for concrete ceilings
Material and color Plastic/polystyrene
Gray
Dimensions (Ø x H)
Weight
218 x 103 mm
Approx. 340 g
FAA‑500‑SB‑H Surface Mount Back Box with damp room seal
Housing (back box/seal):
– Material
– Color
Polycarbonate (PC-FR)/TPE
White/transparent
Cable entries
Dimensions (Ø
Weight
x H)
– 2 x Ø 20
mm (pre-punched) for cable gland
13.5
mm
– 2 x Ø 25 mm (pre-punched)
150 x 82 mm
Approx. 225
g
Remote indicator
Technical specifications
Operating Voltage
Current feed
Permissible wire gauge
Display medium
Dimensions
Weight
FAA‑420‑RI‑ROW depends on current feed
3 to 30 mA
0,4 1,3 mm
1
LED
85 x 85 x 28 mm
45 g
FAA‑420‑RI‑DIN
– Operating mode 1: depends on current feed
– Operating mode 2:
8,5 to 33 V DC
– Operating mode 3:
11 to 33 V DC
– Operating mode 1:
3 to 30
mA
– Operating mode 2:
11 to 14 mA
– Operating mode 3
:
3 mA
0,6 1,0 mm
2
LED
85 x 85 x 35 mm
65 g
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7
7.1
7.2
7.2.1
Appendix
Abbreviations
Appendix | en 31
PP u.P.
UEZ
UGM
VDE
OC
PC
PI
LSN
NVU
O
FACP
FAP
FCA
FCP
GLT
LED a.P.
ABS
DIBt
DIN
EN
FAA
VdS auf Putz (surface‑mounted)
AcrylonitrileButadieneStyrene
Deutsches Institut für Bautechnik (German Institute for Building Technology)
Deutsches Institut für Normung e.V. (German Institute for Standardization)
Europäische Norm (European standard)
Fire Analog Accessory
Fire Alarm Control Panel
Fire Analog Photoelectric
Fire Conventional Accessory
Fire Conventional Photoelectric
Gleichstromlinientechnik (conventional technology)
Light Emitting Diode
Lokal SecurityNetwork
Netz-Verarbeitungsumsetzer (network processing converter)
Optical (smoke)
Optical (smoke), chemical (gas)
Polycarbonate
Product information
Polypropylene unter Putz (flush‑mounted)
Universelle Europazentrale (universal European fire panel)
Universelle Gefahrenmeldezentrale (danger detection system)
Verband Deutscher Elektrotechniker e.V.
(Association of German Electrical Engineers)
VdS Schadenverhütung GmbH (company name)
Order Overview
Detector and Trim Ring
Description
FAP-O
520 Optical Fire Detector LSN improved, white
FAP-OC
520 Multisensor Fire Detector LSN improved, optical/chemical, white
Product ID
F.01U.510.149
F.01U.510.151
Bosch Sicherheitssysteme GmbH Operation Guide 2019.11 | 4.0 | F.01U.025.877
32 en | Appendix
7.2.2
Automatic Detectors LSN improved
Description
FAP-O 520-P Optical Fire Detector LSN improved, transparent with color toning inserts
FAP-OC 520-P Multisensor Fire Detector LSN improved, optical/chemical, transparent with color toning inserts
FAA-500-TR-W Trim Ring, White, for the detectors FAP-O 520 and
FAP‑OC
520
FAA-500-TR-P Trim Ring, Transparent, with color toning inserts for
FAP‑O 520‑P and FAP‑OC 520‑P detectors
Product ID
F.01U.510.161
F.01U.510.162
4.998.151.295
4.998.151.296
Color toning inserts for FAP-O 520-P, FAP-OC 520-P and FAA-500-TR-P:
Color RAL beige 1001
5015 sulfur yellow red orange
1016
2001
7004
6027
6018
6016
5005
4003
2007 fluorescent orange 2007
7012
2001 erica violet 4003
8003 signal blue 5005
8011
1016 sky blue turquoise green yellow green
5015
6016
6018
9003
9011
1001 light green signal gray basalt gray earth brown nut brown signal white graphite black
6027
7004
7012
8003
8011
9003
9011
Detector Bases/Remote indicators
Description
FAA-500 LSN Detector Base
FAA-500-R LSN Detector Base with relay (for connection to
FPA‑5000 only)
FAA-420-RI-DIN Remote indicator for DIN application
FAA-420-RI-ROW Remote indicator
DU*
PE
PE
PE
PE
Product ID
4.998.151.297
4.998.151.299
F.01U.289.620
F.01U.289.120
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Operation Guide Bosch Sicherheitssysteme GmbH
Automatic Detectors LSN improved
7.2.3
7.2.4
Mounting Boxes
Description
FAA-500-BB Ceiling Mount Back Box
FAA-500-CB Built-in Housing for concrete ceilings
FAA-500-SB-H Surface Mount Back Box with damp room seal
DU*
PE
PE
PE
Service tools/accessories
Description
FAA-500-RTL Detector Exchanger for 500 and
520 Series Detectors
FAA-500-TTL Test Adapter with Magnet for
500 and 520 Series Detectors
Test Device for Optical Fire Detectors
DU*
PE
PE
PE
Test gas for smoke detector + CO sensor for multisensor detectors with C-sensor, DU =
12 pieces.
PU
Telescopic Pole (1 m to 3.38
m) made of fiberglass, can be extended with max. 3 extension poles
Extension Pole made of fiberglass (1
m)
PE
PE
Transport Bag for test devices and accessories
PE
* DU = delivery unit, PE = pieces, PU = packaging unit
Product ID
4.998.151.302
F.01U.508.713
F.01U.510.166
Product ID
F.01U.508.720
F.01U.508.725
4.998.112.071
F.01U.301.469
4.998.112.069
4.998.112.070
4.998.112.073
Appendix | en 33
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34 | Appendix Automatic Detectors LSN improved
2019.11 | 4.0 | F.01U.025.877
Operation Guide Bosch Sicherheitssysteme GmbH
Bosch Sicherheitssysteme GmbH
Robert-Bosch-Ring 5
85630 Grasbrunn
Germany www.boschsecurity.com
© Bosch Sicherheitssysteme GmbH, 2019
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