VESDA VLP Product Guide
VESDA by Xtralis
40
www.xtralis.com
11.2 Internal Wiring
The table below provides the cable loom interconnecting details inside the detector. Use the look up table in
conjunction with the attached circuit diagram to assist with maintenance.
From
To
Connector Name
on CPU
Cable Name
# Pins
CPU Card
Filter Switch Card
Filter switch or X12 Fil SW
5
CPU Card
Termination or X1
connector on
termination card
Termination or X1
Termination
13
CPU Card
Relays or X2
connector on
termination card
Relays or X3
Relays
10
CPU Card
Detection chamber
Do not
disconnect
Pre-amp or X9
Pre Amp
6 Wire
Ribbon
CPU Card
Detection chamber Laser or X10
Laser
6
CPU Card
Aspirator
Aspirator or X11
Aspirator
5
CPU Card
Term or X1
connector on
programmer or
display
Expansion or X12
11
Table 11-2: Interconnecting loom details
Notes:
l
All connectors are polarized and can only be inserted one way into the socket.
l
Do not attempt to force the connector into its socket. If there is any difficulty, reverse the orientation of
the connector before inserting again.