Bosch FAS-420, Operation Manuals

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80 en | Installing the Aspirating Smoke Detector Aspirating Smoke Detector
2018.04 | 2.0 | F.01U.130.926 Operation Guide Bosch Sicherheitssysteme GmbH
X = pin pair bypassedO = pin pair open
!
Caution!
Re-initialize the airflow if you switch the fan voltage. Close or open the jumper JU1 only when
the device is switched off.
See also
– , page 79
– , page 79
5.3.2 Number of Detector Modules
The number of populated detector modules is factory set in line with the model variant
(jumper JU4 on the unit's motherboard; see
, page 79 ).
Variant Number of detector modules Jumper JU4, pin no. 1+2
FCS-320-TP1/FCS-320-TT1 1 detector module X
FCS-320-TP2/FCS-320-TT2 2 detector modules O
X = pin pair bypassed O = pin pair open
5.4 Installing the Unit
Notice!
When selecting the installation location, it must be ensured that the unit displays are easily
visible.
Remember when planning that the unit fans generate a noise level of approx.
45 dB(A).
The installation location may not be in any door opening area.
≥ 10 cm
≥ 10 cm
A
1
2
B
FA
S-4
20
se
rie
s
FA
S-4
20
se
rie
s
Installation of the FCS-320
A Aspiration device
upwards
B Aspiration device
downwards with air
outlet opening upwards
1 Smoke aspiration pipe
2 Air-return pipe
The air outlet on the unit must not be obstructed. There must be a free area of 10 cm in front
of the air outlet.
The aspirating smoke detector can be installed with the aspiration device pointing upwards or
downwards. Rotate the cover through 180° in the required direction.