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SMOKE AND FIRE DETECTOR
Installation instructions and operation
Asea Brown Boveri, S.A.
Fabrica NIESSEN
Polígono Industrial Aranguren, nº 6
20180 OIARTZUN - España
Telf. 943 260 101
Fax 943 260 250
e-mail: buzon.esnie@es.abb.com
www.abb.es/niessen
CONNECTION SCHEME
5
6
12 Vdc
4
2
Switch to reset
sensor (*)
( * ) To reset the sensor after a detection it is necessary to momentarily interrupt the power supply of
12 Vdc.
Fig. 1 Detector connection
Connection summary:
Detector power supply tension:
Terminal 2: +12Vdc
Terminal 5: 0Vdc (GND)
Potential free output:
Terminals 4 and 6
IMPORTANT
TO AVOID POLLUTION ON THE SENSOR AND THEREFORE THE GUARANTEE
CANCELLATION, THE SMOKE DETECTOR MUST BE KEPT COVERED UNTIL THE
AREA IS CLEAN AND FREE OF DUST
N9611.92
BASE INSTALLATION
1. To guarantee the correct installation of the detector to the base, all the cables must be
appropriately guided:
(A) All the cables positioned and levelled towards the terminals.
(B) Tighten the cables far from the connector terminals.
2. If you use a jumper to connect the poles of terminals 2 and 5 and verify the installation continuity,
make sure to remove it before installing the detector.
The smoke detector for different places and for assembly in roof or in wall has been developed
according to fire regulations.
3. The base of the detector can be directly assembled in an electric connections box, for example
an octagonal one (75mm, 90mm or 100 mm), a round one (75mm), or a square one (100mm)
Free of
without using any type of mechanical adapter
potential
output:
DETECTOR INSTALLATION
1. Align the components as shown in Figure 2.
2. Face the detector with the base and turn to the right to secure it.
Do not install the detector until the area is completely clean of construction debris, dust, etc. The
maximum number of smoke detectors installed in the same ringlet is 30 units
LED
Long alignment amrk
Short alignment mark
Fig. 2 Facing the Detector with the base.
ADJUSTMENT OF THE RELAY NO (Normally Open) / NC (Normally Closed)
The usual state of the is Normally Open (NO). When the sensor detects smoke or fire, the detector's
output relay closes automatically and will keep closed until the smoke and fire detector is reset. To reset
the sensor it is necessary to momentarily remove the power supply of 12Vdc.
1. To change to Normally Close (NC), insert a screwdriver in the rectangular hole placed between the
front cover and the base, turning it to remove the front cover.
2. Look up figure 3, there is a Jumper next to the PCB relay. Remove the jumper and reintroduce it now
in the position NC (NO).
3. Carefully replace the front cover.
Fig. 3 Detector structure scheme of the structure when the front cover is open
TESTS
1. All the alarm notifications, notification and extinction devices must be disabled during the tests. When
the tests are completed, these devices can be enabled again.
2. After supplying with power the detector head during one minute, check if the green colour LED
indicator flashes every 3 to 5 seconds. If the green LED does not flash, it means that there is an error in
the detector cabling. Check the cabling and replace the detector if necessary.
3. Allow the smoke of burnt cotton or testing aerosol enter into the detection chamber of the detector
for at least 10 seconds. When enough smoke has entered, the detector will issue a visible alarm signal
with a continuous illumination from the alarm LED Diode. Reinitiate each detector and / or control unit
disconnected and reconnect the detector power supply before any other test with additional detectors in
the same area. If the alarm does not work during the test, indicates that the detector is a defective unit.
HEAT SENSOR TEST (FIRE)
All possible alarm notifications, notification and extinction devices must be disabled during the tests.
When the tests are completed, these devices can be enabled again.
In order to do the detector testing, hot air flow can be applied at between 65ºC and 80ºC temperature
(which can be done with a domestic hair dryer).
You should proceed as follows:
1. Start up the hot air flow and check that the temperature is correct and stable.
2. From a distance of around 10 cm, direct the hot air flow to the detector. The alarm will shoot in 30
seconds.
3. After the alarm shoots, remove the heat source immediately and check if the detector red LED is
lighted. Reinitiate the disconnected detector and reconnect the detector power supply.
4. If after the test the detector is unable to enter in the alarm mode in 30 seconds, then it is very
insensitive and needs to be returned to the Distributor for repair.
Detector
NOT SUITABLE FOR THE INSTALLATION IN AREAS WITH SPEED OF AIR ABOVE 300 m/min.
MAINTENANCE
The minimum requirement recommended for the detector's maintenance consists in cleaning the dust
in an annual basis with a vacuum cleaner, which should be specified as preventive maintenance of the
Base
detectors' installation.
CAUTION: DO NOT ATTEMPT TO DISASSEMBLE THE SEALED PART OF THE SMOKE DETECTOR.
IT IS SEALED FOR PROTECTION PURPOSES AND SHOULD NOT BE OPENED FOR MAINTENANCE
NOR BY USERS. ITS OPENING OVERRRIDES THE DETECTOR'S GUARANTEE.
SPECIFICATIONS
Current
Current
2/4
Tension
Model
Temp.
Sleep
Alarm
wires
CC
(Max)
(Max)
0N9611.92
4
57°C
12V
100μA
35mA
Relay output data:
The relay output (terminals 3 and 6) are two contacts free of potential.
The relay is type Normally Open (NO). It closes when detects smoke or fire. The detector's output
relay closes immediately and will keep closed until the smoke and fire detector is reset.
The reset the sensor it is necessary to momentarily remove the power supply of 12Vdc. In this
moment, the output relay opens its contacts.
Power:
1A-30VCC (DC)
Smoke chamber
0,5A-125VCA (AC)
Detector power supply tension:
Relay
Terminal 5: +12Vdc
Terminal 2: 0Vdc (GND)
GUARANTEE
All devices manufactured or distributed by Asea Brown Boveri S. A. Fábrica Niessen are made according
Jumper setting
to the most modern technology.
The NIESSEN factory guarantees its articles within the supply general terms, provided that it is a
LED
manufacturing defect. In this case, please send the defective equipment to the distributor where it was
acquired, accompanied by the certificate of guarantee.
Coverage
The present guarantee applies to those articles with a manufacturing defect. Therefore, it will not be
applied to articles presenting damage as a result of not following correctly the assembly instructions or
when the installation has been completed by non specialized personnel.
Also are excluded damages caused by device misuse and breakdowns produced in the transport.
Validity
The duration of this guarantee is 24 months, to be count from the date of acquisition of the device.
- Date of acquisition:
- Stamp and signature of distributor:
Important: Make sure that the present certificate of guarantee is duly fulfilled by the distributor.
Current
Current
Start up
Alarm
Alarm
Peak
Allowed
Frequency
Base Model
time (Max)
Sound
Contact
(Max)
(Max)
3-5
130μA 60 Seconds
80mA
-
Form A P/N774912
Seconds
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