Eaton MAB50R User manual

MAB50R, MAB50R-EM, MAB100R, MAB100R-EM
Intelligent Addressable Beam Detectors
Linienförmiger optischer Rauchmelder
Rivelatori lineari
Installation and Operation Manual
Installations und
Bedienungsanleitung
Manuale di installazione e uso
13
0786
CPR-DOP-R08
EN54 -12:2015
G207067
G217052

2INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
Contents
EN - INSTALLATION AND OPERATION MANUAL ....................7
1. SYSTEM DESCRIPTION .......................................7
2. SYSTEM OPERATION ........................................7
3. DETECTOR POSITIONING..................................... 7
3.1 Detector positioning in apex of sloping ceiling ......................8
3.2 Detector positioning in atrium..................................10
4. INSTALLATION.............................................10
4.1 Detector head assembly installation .............................10
4.2 Prism installation ............................................11
5. PRISM TARGETING MODE ...................................11
6. ALIGNMENT MODE.........................................11
6.1 Enabling alignment mode .....................................12
6.2 Adjustment in alignment mode.................................12
6.3 Alignment process flow diagram................................13
6.4 Exiting alignment mode ......................................14
7. SYSTEM TESTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
7.1 Alarm (smoke) test...........................................14
7.2 Fault test ..................................................14
8. CONNECTION AND CONFIGURATION SETTINGS ................15
8.1 Field wiring ................................................15
8.2 DIP Switch settings ..........................................15
8.3 Typical single zone wiring .....................................16
9. DETECTOR INTERFACE ASSEMBLY CONFIGURATION SETTINGS ...17
10.BEAM CLEARANCE ........................................18
11. TECHNICAL DATA ..........................................18
12. SERVICE / APPLICATION NOTES .............................19
13. PARTS LIST...............................................19

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DE - INSTALLATIONS UND BEDIENUNGSANLEITUNG..............20
1. SYSTEM BESCHREIBUNG.................................... 20
2. FUNKTIONS-PRINZIP .......................................20
3. PLAZIEREN VON MELDERN ..................................21
3.1 Plazieren von Meldern unter flachen Decken.......................22
3.2 Melder-Position im First von Satteldächern ........................23
3.3 Melder-Plazierung in Atrium-Bauten .............................24
4. INSTALLATION.............................................24
4.1 Rauchmelder-Montage .......................................24
4.2 Montage des Prismen-Reflektors ...............................25
5. MELDER-AUSRICHTEN (REFLEKTOR ANVISIEREN)...............25
6.1 Umschalten in den Abgleich-Modus .............................26
6.2 Justage im Abgleich-Modus ...................................26
6.3 Abgleich-Prozeß im Flußdiagramm ..............................27
6.4 Abschluß der Abgleichprozedur.................................28
7. SYSTEM-TEST ............................................. 28
7.1 Fehler-Test .................................................28
7.2 Rauch-ALARM-Test ..........................................28
8. ANSCHLUSS- UND KONFIGURATIONSEINSTELLUNGEN. . . . . . . . . .29
8.1 Verdrahtung ................................................29
8.2 DIP-Schalter-Einstellungen.....................................29
8.3 Typischer einfacher Regelkreis..................................30
9. ANSICHT ANSCHLUSSE UND KONFIGURATIONSSCHALTER ......31
10. STRAHLENABSTAND ...................................... 32
11. TECHNISCHE DATEN .......................................32
12. SERVICE- / ANWENDUNGSHINWEISE ........................33
13. TEILEVERZEICHNIS ........................................33

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IT - MANUALE DI INSTALLAZIONE E USO ........................34
1. DESCRIZIONE DEL SISTEMA .................................34
2. SISTEMA OPERATIVO .......................................34
3. POSIZIONE DEL RIVELATORE ................................ 34
3.1 Posizione Rivelatore In Apice in Pendenza Soffitto ..................35
3.2 Posizione Rivelatore In Atrio ...................................37
4. INSTALLAZIONE ...........................................37
4.1 Montaggio ed Installazione della Parte Alta del Rivelatore ............37
4.2 Installazione Prisma..........................................38
5. MODULO DI INDIRIZZO DEL PRISMA .......................... 38
6. MODULO DI ALLINEAMENTO ................................39
6.1 Attivazione del Modulo di Allineamento ..........................39
6.2 Modulo di Allineamento ......................................39
6.3 Diagramma del Processo di Allineamento Corrente .................40
6.4 Uscita dal Modulo di Allineamento ..............................41
7. VERIFICA DEL SISTEMA .....................................41
7.1 Test Allarme (fumo) ..........................................41
7.2 Fault Test ..................................................41
8. INSTALLAZIONE CONNESSIONE E CONFIGURAZIONE ...........42
8.1 Campo di collegamento ......................................42
8.2 DIP Switch Installazione ......................................42
8.3 Zona tipica di collegamento singolo .............................43
9. INSTALLAZIONE - MONTAGGIO - CONFIGURAZIONE DEL
RIVELATORE INTERFACCIA ....................................44
10.AREA VISIBILE PER IL RAGGIOIR ............................45
11.DATI TECNICI..............................................45
12. NOTE DI SERVIZIO / APPLICAZIONE.......................... 46
13. LISTA DELLE PARTI ........................................46
NOTES .....................................................47

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DOCUMENT UPDATE NOTES
S.No. Release / Change Notes Date
AEaton Update December 2018
BMulti-Language Update August 2019
PROPRIETARY NOTICE
All data and information contained within this manual is of a proprietary nature.
Do not reproduce, transcribe, store in a retrieval system or translate into any
language, any part of this manual without the prior permission of ‘EATON‘. EATON
reserves the right to make changes to product specification without notice or liability.
Every care has been taken to ensure the accuracy of the information contained in
this manual, but no liability can be accepted for any errors or omission.
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY
The information, recommendations, descriptions and safety notations in this
document are based on Eaton Corporation’s (“Eaton”) experience and judgment and
may not cover all contingencies. If further information is required, an Eaton sales
office should be consulted. Sale of the product shown in this literature is subject
to the terms and conditions outlined in appropriate Eaton selling policies or other
contractual agreement between Eaton and the purchaser.
THERE ARE NO UNDERSTANDINGS, AGREEMENTS, WARRANTIES, EXPRESSED
OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE OR MERCHANTABILITY, OTHER THAN THOSE SPECIFICALLY SET
OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES. ANY SUCH
CONTRACT STATES THE ENTIRE OBLIGATION OF EATON. THE CONTENTS OF
THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT
BETWEEN THE PARTIES.
In no event will Eaton be responsible to the purchaser or user in contract, in tort
(including negligence), strict liability or other-wise for any special, indirect, incidental
or consequential damage or loss whatsoever, including but not limited to damage
or loss of use of equipment, plant or power system, cost of capital, loss of power,
additional expenses in the use of existing power facilities, or claims against the
purchaser or user by its customers resulting from the use of the information,
recommendations and descriptions contained herein. The information contained in
this manual is subject to change without notice.

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SUPPORT SERVICES
The goal of Eaton is to ensure your greatest possible satisfaction with the operation
of our products. We are dedicated to providing fast, friendly, and accurate assistance.
That is why we offer you so many ways to get the support you need. Whether it is
by phone, fax, or email, you can access Eaton’s support information 24 hours a day,
seven days a week. Our wide range of services is listed below. You should contact
your local distributor for product pricing, availability, ordering, expediting and repairs.
Website
Use the Eaton website to find product information. You can also find information on
local distributors or Eaton’s sales offices.
www.eaton.com
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Call the EatonCare Support Center if you need assistance with placing an order,
stock availability or proof of shipment, expediting an existing order, emergency
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Voice: 877-ETN-CARE (386-2273) (8:00 a.m. to 6:00 p.m. EST)
After-Hours Emergency: 800-543-7038 (6:00 p.m. to 8:00 a.m. EST)

7INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
EN - Installation and Operation Manual
EN - Installation and Operation Manual
1. System description
Eaton Lighting and Security MAB50R / MAB100R detectors comprise a Transmitter
and Receiver contained within one enclosure.
The Detector installs to the building fabric between 0.5 and 0.6 metres from
the ceiling.
The Transmitter emits an invisible infrared light beam that is reflected via a prism
mounted directly opposite and within a clear line of sight. The reflected infrared light
is detected by the Receiver and analysed.
The Detector has maximum lateral detection of 7.5 metres either side of the beam.
2. System operation
Smoke in the beam path will reduce the received infrared light proportionally to the
density of the smoke. The Detector analyses this attenuation or obscuration of light
and acts accordingly.
Alarm thresholds of 25%, 35%, and 50% can be selected to suit the environment,
where 25% is the most sensitive. If the received infrared signal reduces to below
the selected threshold, and is present for approximately 10 seconds, a Fire condition
is activated.
The Fire condition will automatically reset after 10 seconds once the beam signal
increases above the selected fire threshold.
If the infrared beam is obscured rapidly to a level of 90% or greater for approximately
10 seconds a Fault condition is activated.
This condition can be entered in a number of ways, for example, an object
being placed in the beam path, transmitter failure, loss of the prism, or sudden
misalignment of the Detector. The fault condition will reset within 5 seconds of the
condition being rectified.
The Detector monitors long term degradation of signal strength caused by
component ageing or build up of dirt on optical surfaces. This operates by comparing
the received infrared signal against a standard every 15 minutes; differences of less
than 0.7dB/Hour are corrected automatically.
3. Detector positioning
It is important that the MAB50R / MAB100R detectors are positioned correctly to
minimise the detection time.
Experiments have shown that smoke from a fire does not rise directly upwards,
but fans out or mushrooms due to air currents and heat layering effects. The

8INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
3. Detector positioning
time to signal a fire condition depends on the location of the Detector within the
premises, the volume and density of smoke produced, construction of the roof,
ventilation arrangements and airflow within the detection area.
Smoke layering, where smoke does not reach the ceiling level due to layers of static
hot air is overcome by mounting the Detector/Prism(s) at the recommended height
below the ceiling of between 0.5 and 0.6 metres,
bringing the infrared beam below the heat layer and into the smoke layer.
However, if there are objects below the ceiling that could obscure the beam path,
the detector/prism(s) positioning may need to be adjusted. This is to allow for a beam
path clearance radius of 0.5 metres.
The maximum distance either side of the beam axis is found to be typically 7.5
metres for satisfactory detection under flat ceilings.
Typical minimum beam spacing
Beam Distance Beam Spacing Beam Distance Beam Spacing
10 0.87m 60 5.25m
20 1.75m 70 6.12m
30 2.62m 80 7.00m
40 3.50m 90 7.87m
50 4.37m 100 8.75m
In all installations the latest national fire standards must be consulted. If there is any
doubt on the correct mounting height, positioning may be determined by
smoke tests.
3.1 Detector positioning in apex of sloping ceiling
A ceiling is defined as sloping if the distance from the top of the apex to the
intersection of the ceiling and adjacent wall is greater than 0.6 metres. See Fig. 1.
Figure 1.
Χ
Slope if Χ≥0.6 Metres
Fig. 1.
Single Beam
15 m
15 m
0.5 ↔7.5 m
Multiple Beams
0.5 to 0.6 m
0.5 ↔7.5 m

9INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
3. Detector positioning
When a Detector is positioned in the apex of a ceiling (See Fig. 2), the lateral beam
distance covered (8) can be increased in relation to the angle of pitch ()), up to
a maximum of 25%.
Figure 2.
For example:
If the pitch angle is 20 degrees, the lateral coverage can be increased from 7.5
metres either side of the beam (8) to:
8= 7.5 + (7.5 x 20/100) metres
8= 9 metres
Therefore, with a roof pitch of 20 degrees the lateral coverage can be increased from
7.5 metres either side of the beam to 9 metres either side of the beam, but only for
the beam positioned in the apex. All other calculations remain the same.
Limit to when a beam detector must be positioned in roof apex
ΥΥ
Υ
(max)
=
7.5
+
(7.5 x
Φ
/100)
Fig. 2. Φ
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
5202510150
Width of Room in metres
Angle of
Pitch
in degrees
Roof can be dened as at
Beam detector must be positioned in apex

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4. Installation
3.2 Detector positioning in atrium
If the detector is to be placed in an atrium, or near glass/polished surfaces, the
prism(s) should be offset from the central line of sight (approximately 300mm), and
angled back to the beam detector. This can be either on the vertical or horizontal
axis. This will reduce the amount of spurious returned signal from the glass/polished
surfaces. The reflected signal from the prism(s) will be returned to the detector in the
normal way.
4. Installation
Pre-installation at Ground Level.
Confirm that all parts have been supplied as listed in the parts list. See page 11.
Select the required alarm threshold using switches 3 and 4 (See fig. 4. for switch
configuration settings). The factory default setting is 35% this should be adequate
for most environments, if the Detector is to be installed into an exceptionally dirty
environment change the threshold to 50%.
The Detector Head Assembly is now ready for installation. If switches 3 and 4
require resetting after installation, a power down reset is required (entering into
Alignment Mode can also be used as a reset).
4.1 Detector head assembly installation
Remove the outer cover before installation; this is only to prevent the cover
becoming dislodged during handling.
Do not mount on plasterboard or cladded walls as these surfaces do, and will move.
Determine the position of the Head Assembly, which must be mounted on a solid
structure between 0.5 and 0.6 metres below the ceiling, and no closer than
0.5 metres to an adjacent wall or structure. Ensure that there is a clear line of sight
to the proposed position of the prism, which is to be mounted on a solid structure
between 5 and 100 metres directly opposite the Detector (range dependent
on model).
Using the template provided mark and install all 4 fixing points to the structure.
The rear mounting plate of the Detector Head Assembly is provided with 4 keyhole
slotted apertures to allow for easy installation onto the 4 fixing points.
Replace the outer cover.
Terminate the field wiring. See section 8.
Offset Prism(s) position and beam path
Normal Prism(s) position and
central line of sight Detector
head
Plan View

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5. Prism targeting mode
4.2 Prism installation
Due to the principle of the detector i.e. reflective, the prism must NOT be mounted
on glass or a polished reflective surface.
Mount the Prism on a solid structure, 90º to the beam path, between 5 to 50 metres
(MAB50R), and 50 to100 metres (MAB50R) directly opposite the Detector.
Ensure that there is a clear line of sight to the Detector, taking care that no moving
objects i.e. doors, mechanical lifting equipment etc, will interfere with the beam path
between the Detector and Prism.
ote:N On ranges of ≥5 metres and ≤50 metres use a MAB50R. On ranges of >50
metres and ≤100 metres use a MAB100R.
5. Prism targeting mode
Apply power to the Detector. There is a 5 seconds pre-charge delay after power is
applied to allow the internal circuits to stabilise correctly.
Do not remove the detector from the wall during this action.
Using the mode switch (See fig. 4) select Prism Targeting Mode (Switch will be in
the up position). At this time there may be a fault condition showing on the panel.
Find the prism by adjusting the horizontal and vertical thumbwheels until the Amber
LED is flashing. Both the Red and Amber LED will be OFF when no signal is being
received. The Red LED will start to flash when a weak signal is received. When a
stronger signal is received, the Red LED will extinguish and the Amber LED
will start to flash.
• At this point it is essential to test that the prism and not another surface is
reflecting the beam.
This can easily be confirmed by covering the prism with a non-reflecting surface and
confirm that the AMBER and RED indicators are OFF. Please read this in conjunction
with section 10.
6. Alignment mode
Mechanical alignment is provided by two adjustment thumb wheels on two sides
of the Detector, positioned just behind the Detector Head cover. Adjustment is
achievable in both axes.
MA
B50R = MAB100R =
1 Prism
4 Prisms

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6. Alignment mode
6.1 Enabling alignment mode
Do not remove the detector from the wall during this action.
Using the mode switch (See fig. 4) select Alignment Mode (Move switch to the
middle position). At this time there be may a Fault condition showing on the panel.
6.2 Adjustment in alignment mode
The Detector will automatically adjust its infrared beam power and receiver
sensitivity to give an optimum receiver signal strength.
The alignment progress is indicated by the colour and state of the indicator lamp on
the front of the Detector.
• FLASHING RED
The Detector is receiving too much signal and is attempting to reduce the infrared
power output to compensate. Wait at this point until the indicator lamp is OFF,
this may take up to 20 seconds depending on the distance between Detector and
Prism, the shorter the distance the longer the time.
• FLASHING AMBER
The Detector is receiving a weak signal and is attempting to increase the infrared
power output.
• OFF
The Detector has optimised the infrared power and receiver gain for the current
orientation of the Detector and Prism. This does not mean that the Detector
to Prism alignment is at its optimum, i.e. if the power is too high, a misaligned
Detector may be receiving a fringe reflection from another object.
• FLICKERING RED/AMBER
This state can occur sometimes. It means that the infrared power is stepping
through the optimum setting.
Continue to flow diagram for procedure.

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6. Alignment mode
6.3 Alignment process flow diagram
Red
After selecting alignment mode
wait until both LED’s stop
ashing
Slowly turn the
thumbwheel in the
same direction
Reverse the
direction of the
thumbwheel
Exit Alignment
Mode and enter the
Operating Mode
LED
ashing?
Slowly adjust a thumbwheel in
one direction and observe the
LED’s
LED
ashing?
For optimum alignment,
deection of the beam in
all four planes should
cause the Amber LED to
ash rst
Stop turning the
thumbwheel and
wait for the Red
LED to stop
ashing.
Both
thumbwheels
adjusted?
Repeat the
process for the
other thumbwheel
No
Yes
Stop turning the
thumbwheel.
Neither
RedAmber
Amber

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7. System testing
6.4 Exiting alignment mode
Do not remove the detector from the wall during this action.
Using the mode switch (See fig. 4) select Run Mode
(Switch will be in the down position).
On exiting alignment mode the Detector will perform an internal calibration check. If
this fails, which would be due to bad alignment or either electrical or optical noise,
the power level will try to compensate. If, after 60 seconds, the power level is still
not correct, a Fault will be signalled to the control panel. The alignment procedure
must be repeated.
If the internal calibration check completes satisfactory, the Detector will enter its
normal running mode.
7. System testing
After successful installation and alignment the System will require testing for both
alarm and fault conditions.
7.1 Alarm (smoke) test
Taking note of the threshold selected during installation (default 35%).
Select obscuration mark on filter to correspond with the Detector alarm threshold
(see fig. 3).
Place the filter over the receiver optics (Top of Detector Head − opposite end to the
status indication LED’s) at the correct obscuration value determined by the threshold
selected, i.e. if a threshold of 35% has been selected position the filter just past the
35% obscuration value on the filter (see fig 3.).
Take care not to cover the transmitter optics. The Detector will indicate a fire within
10 seconds by illuminating the Red LED and activating the panel.
7.2 Fault test
Cover the Prism totally with a non-reflective material and confirm that the Detector
signals to the control panel a fault condition after approximately 10 seconds. When
the prism is uncovered, the fault condition will automatically reset after a period of 10
seconds when the obstruction is removed.

15INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
8. Connection and configuration settings
Figure 3.
8. Connection and conguration settings
8.1 Field wiring
The Loop wiring is accessed through the back plate of the Detector Head (See Fig 4).
The small 2-pin connector on the left is not used.
8.2 DIP Switch settings
Access to the configuration settings is through the back plate of the Detector Head
(See Fig 4). The 4-way DIP is used to select the beams sensitivity.
obscuration value
Transmitter Optics
Receiver Optics
Status Indication LED’s
RED
Align lter for correct obscuration/threshold setting
AMBER

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8. Connection and configuration settings
8.3 Typical single zone wiring
MAB50R & MAB100R
Connections
Fire Panel
Connections
Loop Start
2 core + screen cable
to next device in Loop
Loop IN Loop OUT
Loop Finish
From last
device in Loop
Suitable re rated cable
Junction box,
join screens here
Loop +ve Loop -ve

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9. Detector interface assembly configuration settings
9. Detector interface assembly conguration settings
Figure 4.
Fig. 4.

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10. Beam clearance
10. Beam clearance
Most reflective beams produce a focused beam to a reflector on the opposite side
of the protected area. The returned signal is then sampled and any obscuration
calculated. If there are highly reflective surfaces, or objects near the beam path,
there may be a possibility that some of the beam energy is inadvertently reflected
into the receiver, rather than via the reflector. This may increase the possibility of
faults or false alarms. Hence the importance of following the recommendations in
Section 5 of this installation guide.
It is, for this reason, recommended that the beam path should be surveyed to
confirm that a reflective beam can be used. As a general rule of thumb there should
be at least 0.5m diameter clearance down the entire beam path. If there are highly
reflective objects within 1 metre diameter of the beam path for the first 20 metres
of the beam path (for the MAB100R), then tests should be carried our to see if the
beam is suitable.
11. Technical data
• Operating Range MAB50R 5 to 50 metres
• Operating Range MAB100R 50 to 100 metres
• Supply Voltage 18-30Vdc
• Quiescent Current (no LED’s illuminated) <5mA
• Alarm Current <9mA
• Alignment Current <18mA
• Power up Time approx 10 seconds
• Operating Temperature -30°C to 55°C
• Tolerance to Beam Misalignment at 35% Detector ± 0.8°, Prism ± 5.0°
• Fire Alarm Thresholds 2.50dB (25%), 3.74dB (35%), 6.02dB (50%)
• Optical Wavelength 880nm
• Head Maximum Size Width 130mm, Height 210mm, Depth 120mm
• Weight 740 gm
1 metre
diameter
clearance 0.5 metre diameter clearance down rest of beam path
Beam Reector(s)
First 20 metres

19INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
12. Service / application notes
Short circuit isolators
Each of the beam detectors in this range contains an integral short circuit isolator,
which operates between the IN -ve terminal and the OUT -ve terminal. The isolator
operates in conjunction with the control panel when a low parallel resistance fault of
typically 200Ω is presented between Loop +ve and Loop -ve.
Short circuit isolation data (Integral with each detector)
Total loop Resistance for correct operation of short circuit isolator. 50Ω max
Continuous Current allowable through isolators. 700mA (max)
Isolator Resistance in closed state. 0.13Ω (max)
Leakage Current into direct short circuit isolator open. 13mA (max)
Parallel Fault Resistance to be seen at the Control Panel for isolators to open 200Ω (typ)
12. Service / application notes
• For full compliance with BS5839 part 5, use 25% and 35%(default) thresholds.
The threshold of 50% is recommended for hostile and extreme environments.
• Red LED (constant or flashing) will indicate FIRE.
• Faults will NOT be signalled via the local amber LED of the beam detector.
The fire panel will indicate that the beam detector is in fault and the fault type.
13. Parts list
• 1 off: Detector head assembly
• 1 off: Prism for the MAB50R
• 4 off: Prisms for the MAB100R
• 1 off: Dual test filter
• 1 off, 4 way Connector for in line wiring
• 1 off, 4 way Connector for right angle wiring

20 INSTALLATION AND OPERATION MANUAL 25-16383-B August 2019 www.eaton.com
DE - Installations und Bedienungsanleitung
DE - INSTALLATIONS UND BEDIENUNGSANLEITUNG
1. System Beschreibung
Der Rauchmelder enthalten in einem Gehäuse immer gemeinsam Sender und
Empfänger.
Der Sender strahlt einen dünnen unsichtbaren Infrarot-Lichtstrahl auf den gegenüber
montierten Reflektor, dieser reflektiert das Licht in den Empfänger zurück zur Signal-
Bearbeitung. Der Weg des Kernlichtstrahls muß immer frei bleiben.
Der seitliche Überwachungsbereich des Rauchmelder’s beträgt 7,5 m beiderseits der
Achse. (nach VdSmax.7m)
Der Rauchmelder werden in einem Abstand von 0,5 bis 0,6 m zur Decke montiert.
(nach VdS0,3 bis max.1,2m)
2. Funktions-Prinzip
Der in den dünnen Kernlichtstrahl eindringende Rauch dämpft diesen proportional
zur Rauchdichte. Diese Licht-Schwächung wird im Melder analysiert und führt ggf. zu
ALARM- oder Störmeldungen.
Die Schwellwerte zur Alarmgabe sind zur Anpassung an die Umgebungsbedingungen
wählbar von 25% (empfindlich) über 35% bis 50% (unempfindlich). Die
höchstempfindliche Einstellung von 12% sollte nur in Sonderfällen verwendet
werden. Sinkt das empfangene Signal unter den gewählten Wert, ununterbrochen für
die Dauer von min. 10 Sekunden, dann schaltet der Rauchmelder sein ALARM-Relais
(schließt).
Für das ALARM-Relais sind zwei Betriebsarten wählbar:
Bei AUTO-Reset fällt das ALARM-Relais wieder ab, wenn die Dämpfung durch den
Rauch für min. 5 Sekunden wieder auf Werte oberhalb der gewählten ALARM-
Schwelle zurückgegangen ist.
Im ALARM-Speichern-Betrieb bleibt das Relais bis zum Reset angezogen.
Ein Rücksetzen des Melders kann auf zwei Arten erfolgen:
1. Schiebeschalter auf “Anvisieren” oder “Abgleichen” und anschließend
wieder auf “Betrieb” stellen.
2. Unterbrechen der Energieversorgung des Melders für 10 Sekunden.
Wird der Infrarot-Lichtstrahl schnell um 93% oder stärker gedämpft, für eine Dauer
von min. 10 Sekunden, so fällt das STÖRUNGS-Relais ab. Ursache kann ein Hindernis
im Strahlengang sein, das Abdecken eines Reflektors, das Verdrehen eines Senders
oder ein zu starkes Empfangssignal usw.. Wenn diese Störung beseitigt ist, dann
geht nach ca. 5 Sekunden das Störmelde-Relais wieder zurück in den
Ruhezustand (angezogen).