Bosch Fireray3000 Specifications

Fire Alarm Systems | Fireray3000

Fireray3000

www.boschsecurity.com

u Monitoring range of 5m to 120m (max. 100m

according to DIN VDE 0833-2)

u Up to 2 detectors per system controller

u Two pairs of fire and fault relays (one per detector)

u Transmitter and receiver integrated into a compact

housing

u Integral LASER alignment

The Fireray3000 is an optical Linear Smoke Detector
for the detection of light and dark smoke across an
area of 5 m to 120 m (max. 100m according to DIN
VDE 0833-2)
Preferred areas of application are very large and high
halls, e. g. airplane hangars, factory buildings and
similar buildings where the use of point detectors are
not possible.

Functions

The transmitter transmits an invisible infrared light
beam bundled through a lens to the receiver.

S

3m

30m 50m 80m 100m

0,9m 1,5m

2,4m

Beam detection

At a maximum distance of 100 m (According to DIN
VDE 0833-2) the core diameter of the light beam is
3 m. The core diameter is the area of the conical IR
beam in which orderly operation of the system is
possible.

If smoke interrupts the beam, the signal in the receiver
is attenuated depending on the thickness of the
smoke. If an attenuation according to the set threshold
lasts longer than 5 s, an alarm is triggered.
The alarm threshold can be set to 25% or 35% or 50%
with the use of prisms.
Slow changes (e. g. contamination of the optical
system) do not cause false alarms; instead, they are
balanced out by an automatic gain control. Here the
current state of the system is compared with a
reference value and adjusted stepwise in case of
deviations greater than 7%. By default, the comparison
is done every 1.5 hours.
With a comp switch, manual or automatic alarm reset
can be selected.

Certifications and approvals

Region Certification

Germany VdS Fireray3000

Europe CE Fireray3000

CPD 0786-CPD-21162 Fireray3000

USA UL UROX.S3417 Fireray3000

UL UROXC.S3417 Fireray3000

CSFM 7260-1508:0105 Fireray3000

Installation/configuration notes

General installation/configuration notes

• A FLM‑420/4‑CON Conventional Interface Module is
required for connection of the Fireray3000 to the
LSN.

• Between the transmitter and receiver there must be a
constant visual connection, which may not be
interrupted by movable objects (e. g. overhead
crane).

• The mounting surfaces for the transmitter and
receiver must be stable and free of vibration.
Installation on metal surfaces should be avoided since
they expand and contract in case of temperature
fluctuations.

• Inaccessible areas are monitored by monitoring
transmitters and receivers outside and letting them
look through windows into the monitoring area. The
minimum diameter of the opening must be 20 cm or
an opening corresponding to the diameter of the
beam.

Notice

Normal panes of glass reduce the effective system
range by approx. 10% per pane

• When installing the receiver, be sure that the direct
penetration of sunlight or other light into the optical
system is avoided. Normal environmental light has no
influence on the receiver.

• The control unit must be installed in an area that is
easy to reach. A screened cable must be used. The
maximum cable length of 100 m to the receiver may
not be exceeded.

Heat accumulation under roof surfaces can prevent the
travel of climbing smoke to the ceiling. The detector
must therefore be mounted below an expected heat
accumulation. This can mean that the benchmark
values for DL specified in the table must be exceeded.

30-60 cm

C

B

A

D

installation_for_smoke_plume

Pos. Description

A Ceiling

B Mushroom cloud

C Heat accumulation

D IR beam

• Since the smoke from a fire does not simply rise
straight up, but rather spreads like a mushroom cloud
(depending on air current and accumulation), the
monitoring range is much greater than the diameter
of the IR beam.

• The lateral detection on either side of the beam is

7.5 m.

• Country-specific Standards and guidelines on
planning must be observed.

Detector arrangement

The detectors must be arranged according to the
following distances:

X1 Distance from the ceiling 0.3 m to 0.6 m

X2 Horizontal distance detector/wall min. 0.5 m

X3 Horizontal distance between two

detectors under gable roofs

Example: Gable roof, 10° roof pitch
X3 = 7.5 m + (7.5 m x 10%)
X3 = 7.5 m + 0.75 m
X3 = 8.25 m

• The maximum distance between two detectors with
parallel IR beams is 15 m.

• The centre line of the monitoring beam may not be
closer than 0.5 m to walls, furniture or stored goods.

• The receivers allow an angle deviation of up to 5°
from the centre line without causing a weakening of
the signal.

Positioning the detectors on flat ceilings

15m

7.5m

7.5m

0.3m < X1 < 0.6m

X1

X2

0.5m < X2 < 7.5m

15m

15m

Mounting flat ceiling

Positioning the detectors under a shed roof

X1

X2

10°

0.3 m < X1 < 0.6 m

X3

X3

0.5 m < X2 < 7.5 m

X2

Mounting shed roof

2

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