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Technical Manual
FT420
– Iss 2.4
37
Audio
Indication
Type
Active conditions
Description
Alarm Test Or
Walk Test
Voice
Message
Alarm input detected
during walk test
Repeat in zone alarm test. Only once in walk test mode.
3.4.2 Signalling patterns
Table 26 below lists the FT420 signalling patterns under different operational conditions. All the
common indications are shown in Figure 11, page 33. When a zone or supervised output is disabled,
new alarms or faults within this zone will not activate any common alarm / fault conditions or outputs.
However, only the respective zone alarm or fault conditions will remain in its state. In alarm condition,
t
he “Fire Brigade Tx” LED illuminates, even if no physical connections are provided to transmit this
signal to the Fire Brigade.
Table 26 CIE Signalling Patterns
Type
CIE Conditions
LED Name
LED
Colour
LED Pattern
Buzzer
Pattern
Audio
Broadcasting
Alarm
DBA alarm
Common Alarm
Red
Emergency
Alarm
Evacuation
message to all
speakers, refer to
Table 25
Fire Brigade Tx
Zone Alarm
Non-DBA alarm
Common Alarm
Emergency
Alarm
Alert message to
all PA zones with
auto timer to evac
Zone Alarm
Alarm
Test
Zone alarm test
Zone Alarm Test
Red
Steady ON
N/A
Alarm test
message
“Testing”
No zone alarm has been
detected during the zone
walk test conditions
Steady ON
N/A
N/A
Zone alarm has been
detected during the zone
walk test
Flash 2
N/A
Alarm test
message
“Testing”
Other
Related
Tests
LED test
LED Test
Yellow
Steady ON
Steady ON
N/A
Zone fault test
Zone Fault Test
Steady ON
Steady ON
N/A
Walk Test in progress
Walk Test
Steady ON
N/A
N/A
Walk Test mode activated
Alert
N/A
N/A
Disable
Disabled
Common
disablement
Yellow
Steady ON
N/A
N/A
Zone / output
disabled
Fault
Fault
Common Fault
Yellow
Based on
fault types
Steady ON
N/A
Any other fault
Mains
Mains power supply is
available
Mains ON
Green
Steady ON
N/A
N/A
System is performing
automatic battery test
Alert
N/A
N/A
Mains voltage is too low
Steady OFF Steady ON
N/A
ACF
Output
ACF control activated
ACF Active
Red
Steady ON
N/A
N/A
Silence
Buzzer is silenced by the
Silence Buzzer
Yellow
Steady ON
OFF
N/A
Содержание Firetracker FT420
Страница 1: ...TECHNICAL MANUAL Issue 2 4 FT420 Conventional Fire Alarm System MA425 Oct 2018 ...
Страница 76: ...Technical Manual FT420 Iss 2 4 76 6 3 FT420 Block Wiring Diagram Figure 39 FT420 with All Options ...
Страница 77: ...Technical Manual FT420 Iss 2 4 77 Figure 40 FT420 with Gas Kit Interface ...