Water Separator - Bosch FCS‑320‑TM Series Operation Manual

70 en | Installation of the pipe system
The three-way tap is required to blow out the pipe system with blast air (as a preference) or
compressed air. (Compressed air is compressed, non-purified and humid ambient air. Blast
air, on the other hand, is purified and dehumidified air. If the FCS-320-TM and pipe system are
located in areas with temperatures below freezing, blast air is to be used for blowing out.)
The aspirating smoke detector and the downstream pipe system accessory components (e.g.
air filter) must not and cannot be blown-out.
A check valve for relieving pressure from the pipe system must be fitted to the end of each
pipe branch. The check valve prevents damage to the air sampling openings and prevents dirt
deposits from being blown through the pipe system.
To prevent aspiration reducing film sheets in deep-freeze areas from tearing, it is advisable to
use special deep-freeze aspiration reductions. Check valve and deep-freeze aspiration
reductions are available on separate order.
Connections
Fasten the three-way tap using the transition screw connections in the pipe system.
When installing, note the assignment of the connections:
–
–
–
Refer to Blowing-out Process for the Pipe System, page 85 for information on how to carry
out the manual blowing-out process.
6.8

Water separator

Standard
The standard water separator is installed using a PG29 cable gland and a T-fitting between the
FCS-320-TM and the pipe system.
FAS‑ASD‑WS Water Separator
The FAS‑ASD‑WS Water Separator must be fitted at the lowest point in the pipe system
downstream of the air filter and the aspirating smoke detector (see figure below).
2020.04 | 2.1 | F.01U.130.928
Install the aspiration pipe system on connection C.
Install the FCS-320-TM on connection A.
Attach the blast air supply (blast or mobile blowing-out system) to connection B of the
three-way tap.
Operation guide
Conventional Aspiration smoke detector
Bosch Sicherheitssysteme GmbH