0507347110/160114/B SHIELD fire safety solutions (5k1)
| INSTALLATION | EN - 13
8.1
Product description and operation
Detector for smoke detection, based on light scattering by air
sampling tube. The sampling tube transports the air to the
smoke detector. When smoke is detected for more than 30
seconds
1
, it triggers an alarm. The smoke detector is fitted with
the following features:
Fig. 8.1
A Opening for test spray
B Sensor LED (2);
- LED is off: sensor is OK
- LED is on: sensor must be replaced
C Service indicator: status LEDs that indicate the sensor
contamination;
- green LED is on: sensor is OK
- yellow LED is flashing: sensor is 75% contaminated
- red LED is on: sensor is 100% contaminated
Fig. 8.1
8.2
Installation
The smoke detector is available with two different air sampling
tube lengths, that are suitable for different duct diameters;
Location:
- on filter outlet duct (airflow >1 m/s)
- min. 3x duct diameter before a change in duct direction or
damper; min. 5x duct diameter after these devices
- before or after the sliding valve, whatever is practical
- any position on the duct (top/bottom/front/back)
- in line with the airflow direction; refer to Fig. 8.4.
It is recommended to mount the smoke detector on the front
side of the duct in view of the visibility of the status LEDs. In
case the LEDs are not (clearly) visible, an external light tower
must be installed as additional warning device to indicate the
sensor contamination.
To mount the smoke detector, proceed as follows.
•
Drill a hole Ø 51 mm (2 in.) in the duct at the intended
mounting position.
•
Determine the correct tube length according to the table
below.
Remove the end cap (A).
•
Shorten the length of the air sampling tube at the side of the
removed end cap;
- do
not
cut the other side of the tube.
•
Reinsert the end cap.
Fig. 8.2
Put the air sampling tube (C) in the connection tube (B).
•
Insert the connection tube in the housing of the smoke
detector.
•
Secure the tubes with the locking screw (A).
8
SMOKE DETECTOR
Scope of supply:
- smoke detector
- air sampling tube
- connection tube
- rubber bushing (T600: 1
pc, T1500: 2 pcs)
- mounting bracket
- test spray 250 ml
- cable gland
- locknut
- self-tapping screws
1.
Alarm delay time of 30 seconds
The smoke detector enters into alarm when it has detected smoke for
more than 30 seconds continuously. This feature prevents the smoke
detector to be activated unintentionally by fluctuations in filter
efficiency, which makes it pre-eminently suitable for use in filter
systems.
A
B
C
ATTENTION
Particularly in case of a new installation, the inside of
the duct can be polluted, e.g. by remainders of duct
mounting material. Before installation of the smoke
sensor, the duct must be flushed to avoid unnecessary
pollution of the smoke sensor.
Penetration of air sampling
tube through duct
± 90%
100%
Ø 250 mm
Ø 10 in.
± 325 mm
± 13 in.
Ø 315 mm
Ø 12 in.
± 385 mm
± 15 in.
Ø 400 mm
Ø 16 in.
± 460 mm
± 18 in.
Ø 500 mm
Ø 20 in.
± 550 mm
± 22 in.
Ø 630 mm
Ø 25 in.
± 750 mm
± 29.5 in.
Ø 700 mm
Ø 28 in.
± 820 mm
± 32.5 in.
ATTENTION
To prevent the smoke detector from malfunctioning,
the end cap must always be installed.
A
x
