AVSL NOISE POLLUTION CONTROL SYSTEM User Manual
NOISE POLLUTION
CONTROL SYSTEM
Stock code: 952.801
SET-UP PROCEDURE
Initial Power Up
On initial power up the timer/power indicator will ash and
the OK indicator LED will then illuminate. Due to certain
installation conditions the T1 and T2 indicator LEDs may ash
before returning to the OK indication LED. This unit is now
ready for adjustment.
Adjustment
VR-1 (the overall microphone gain) should be adjusted*
accordingly to determine the desired decibel (dB) level
required to trigger the unit.
Fine Adjustment
VR-2 high lter adjustment - this should be adjusted* if you
require more or less sensitivity to high frequencies, eg. vocals,
etc.
VR-3 low lter adjustment - this should be adjusted* if you
require more or less sensitivity to low frequencies, eg. bass.
TERMINAL CONNECTIONS
MAIN PANEL CONNECTIONS
M1 = Microphone +
M2 = Microphone – (earth/screen)
Ensure screened microphone cable is used to connect mic to
M1 and M2.
Note: On board relay connections (J and K) can be regarded
as an On/O switch (i.e. when unit displays green ON LED,
contacts are closed, when red OFF LED is displayed contacts
are open circuit). The unit must be powered up and the mic
must be connected to ensure steady Green OK LED, otherwise
j-K is open circuit.
J = on board relay normally open (when unit is not
powered up)
K = on board relay common
JK = used to switch the 30 amp relay coil/contactor coil or
other device depending on installation requirements
*Adjustment:
Anti clockwise = less sensitive . . . Clockwise = more sensitive
VR-5 timer adjustment - this is normally set to 1 - 1.5 second
intervals giving an overall time of approximately 7 - 10 x 2
seconds. Interval steps can be set by observing the ashing
power indicator LED once on plus once o = 1 clock pulse.
5 pulses = cut o, 5 more pulses to auto reset. 10 pulses = 1
complete cycle.
After being triggered and the volume not being reduced, the
unit will then cut o for the time you have pre-set and then it
will reset.
Keyswitch
The keyswitch has two settings, monitor and active.
Monitor - allows the unit to assess the music but it will not cut
o the power if the preset level is met.
Active - allows the unit to monitor the music but will cut o
the power if the preset level is met.
Note: Connections A-D are low voltage drive outputs only, and
are connected to corresponding connections on remote light
display if tted.
A = trac lights 0 volt (common)
B = trac lights red channel
C = trac lights yellow channel
D = trac lights green channel
FA1 = re alarm +24Vdc input from any existing re alarm
system (usually nearest bell or siren)
FA3 = re alarm negative input
P1 = earth
P2/P2A and P3/P3A are 18Vac input/output connections from
TX1 secondary mains transformer. The 18Vac available at these
connectors is also used to power low voltage auxiliary panels
or devices, eg. remote relays, etc.
RELAY PANEL CONNECTIONS
w w w . s k y t r o n i c . c o . u k
2CN2 30 AMP OUTPUR CONNECTOR
J connects to J on main board (already connected)
K connects to K on main board (already connected)
P2 connects to P2 on main board (already connected)
P3 connects to P3 on main board (already connected)
L = 240Vac controlled output LIVE
N = 240Vac controlled output NEUTRAL
E = output EARTH
2CN3: Live, neutral and earth connections to TX1 primary
(already connected).
2CN1 30 AMP CONNECTOR
L = 24Vac supply input LIVE
N = 240Vac supply input NEUTRAL
E = input EARTH
Note: It is recommended that the supply to CN1 is taken from
a separate 30 amp ELCB/RCCD in the on site consumer unit.
TRAFFIC LIGHT REMOTE DISPLAY (952.804)
A, B, C, D connect to corresponding connectors on main panel
(240Vac mains powered displays should be supplied via 5
amp switched spur or similar to Euro connector, low voltage
connections, A, B, C, D still connect to A, B, C, D respectively on
main panel).
This unit is to be installed by qualied persons only.
All wiring should conform to current regulations.
All earth connections should be made and tested before use.
Disconnect supply before servicing.
Screened Mic Cable
4-core to
Remote Indicator
BASIC WIRING
30 Amp Unit
Lid Eyelet
TX1
Case Earth Stud
Mains Supply InputControlled Output
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