FireFinder
™
Installation Commissioning & Operation
Page 63
Control Module
When the control switch is in;
AUTOMATIC
- occupant warning signals and if applicable verbal messaging is under the control of the
microprocessor and outputted to the speaker system when it receives a “warning system” signal from the
FACP.
ISOLATE
– the occupant warning system is isolated from the FACP “warning system” signal and even if
the signal is present there will be no output.
PUBLIC ADDRESS
– the occupant warning system can be used locally as a PA system.
MANUAL EVACUATION
– the occupant warning signal/s will be transmitted over the system.
Indicators
LINE FAULT
- In the event of an open or short circuit speaker line the LINE FAULT indicator (yellow)
will be illuminated
ISOLATED
- the LED will be illuminated (yellow) when the warning system is isolated
Signal Structures
ALERT SIGNAL
0
1
2
3
4
0.625
sec
0.625
sec
ON
OFF
420Hz
420Hz
420Hz
Time in seconds
Australian AS1670.4 Alert Signal
AS1670.4:
420Hz pulsed on for 0.625 seconds
at 1.25 second intervals
EVACUATION SIGNAL
0
1
2
3
4
Time in seconds
OFF
500Hz
1200Hz
Australian AS1670.4 Evacuate Signal
0.5
sec
0.5
sec
1.5
secs
0.5
sec
0.5
sec
0.5
sec
0.5
sec
AS1670.4:
0.5 second sweep signal 500-1200
Hz for 2.5 seconds at 4 second
intervals
EVACUATE SIGNAL WITH VERBAL MESSAGE
0
1
2
3
4
Time in seconds
OFF
500Hz
1200Hz
0.5
sec
0.5
sec
"EMERGENCY
EVACUATE NOW"
1.5
secs
0.5
sec
0.5
sec
0.5
sec
0.5
sec
Figure 75: Alert & Evacuation Signal Structures
Содержание SP Series
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