
LaserSCANNER Product Manual
VESDA
®
34
Internal Wiring for LaserSCANNER
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.
Table 8 - LaserSCANNER Internal Wiring
Note:
Do not disconnect the cable running between the CPU card and the detection
chamber.
Note:
All connectors are polarized and can only be inserted one way into its socket.
From
To
Connector card and
CPU card
CABLE NAME
# PINS
CPU card
Scanner connector on
scanner valves
Scanner or X4
Scanner cable
10
CPU card
Scanner connector on
sensor card
Flow sensor or X5
Flow sensor
cable
10
CPU card
Filter Switch Card
Filter switch or X12
Fail 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
Pre-amp or X9
Pre Amp
6 Wire
ribbon
CPU card
Detection chamber
Laser or X10
Laser
6
CPU card
Aspirator
Aspirator or X11
5
CPU card
Term or X1 connector on
programmer or display
Expansion or X2
11