Chapter 2: Installation
32 ModuLaser Modular Aspirating Smoke Detector Installation Manual
Connecting pipes
Caution: To comply with EN 54-20 requirements, ensure that the pipe network
has been designed and its performance verified using PipeCAD pipe modelling
software before installing pipes. See your PipeCAD documentation for more
information.
To assist pipe installation, the following pipe adaptors are available:
• Offset pipe adaptor (supplied)
• Straight pipe adaptor (not supplied)
The adaptors are designed to facilitate the removal of the detector module from
the backplane without fully removing the pipes.
Note: Do not use glue on the pipe adaptors.
The detector also supports pipe entry without the use of the pipe adaptors (for
both 25 and 27 mm pipes), but this option does not allow for the easy removal of
the detector module described above.
Figure 20: Connecting pipes using a pipe adaptor
. Rubber seal
. Nut
5. Internal view of 20 to 25 mm gap
6. Exhaust pipe
7. Sampling pipe (inlet)
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