14
en | Technical Specifications
Aspirating Smoke Detector
2018.04 | 2.0 | F.01U.130.926
Operation Guide
Bosch Sicherheitssysteme GmbH
To set the FCS-320 to the airflow typical for the pipe network, an airflow initialization (flow-
init) procedure is carried out. This must be done for each unit once at the start after
installation, each time the pipe system is replanned/redesigned and after changing the fan
voltage. This enables the unit to determine and save the airflow typical for the pipe network.
Pipe System
A pipe system with an overall length of up to 300
m can be connected to FCS-320 series
aspirating smoke detectors over a maximum of 32 aspiration points. Two pipe systems can be
connected to both the FCS-320‑TP2 and FCS-320‑TT2 variants. The entire pipe system then
has a total length of 2 x 280
m and a maximum number of 2 x 32 aspiration points.
3.5
FCS-320 Series Aspirating Smoke Detectors and Accessories
3.5.1
Overview
2
A
3
C
E
G
F
1
B
D
FAS / FCS
Overview of FCS-320 series aspirating
smoke detectors and accessories
1
Pipe system(s)
2
Connections to fire panel/power supply
3
Air-return pipe
A
Vibration absorber (sold separately)
B
MT-1 unit mounting
C
Detector module
D
DIAG Diagnostic Software with connection
cable
E
Cable bushings (1
x
M20, 2
x
M25)
F
Test pipe
G
Test adapter
FCS-320 series aspirating smoke detectors comprise the following components:
–
Plastic housing
–
Plastic connection pieces
–
Integrated air-return pipe
–
Connection for pipe with 25
mm external diameter
–
Aspiration unit with optimized air supply
–
Motherboard with interface for diagnostics system, LSN connections, connection for
shield wire, as well as DIP switch for address setting
–
Supplementary package with cable bushings (1
x
M20, 2
x
M25)
–
FCS-320-TP1 /FCS-320-TP2: optical displays for alarm, malfunction and operation
–
FCS-320-TT1 /FCS-320-TT2: smoke level display(s), optical displays for info, pre and main
alarm, malfunction and operation
–
1 detector module (for FCS-320-TP1 and FCS-320-TT1) and/or 2 detector modules (for
FCS-320-TP2 and FCS-320-TT2).
Summary of Contents for FAS-420
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