
15-1
SECTION 15
External Sounders
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In This Section
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General Information
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Alarm Output Supervision
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Wiring the Alarm Output
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Compatible Alarm Indicating Devices
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Programming the Alarm Output
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General Information
The VISTA-128B provides a bell circuit output for operating fire and burglary alarm
notification appliances. The alarm output is rated as follows: 10VDC - 14VDC, 1.7A max.,
power limited.
U
L
1.
For household fire and combination household fire/burglary installations, the total current
drawn from the auxiliary power, polling loop, and alarm output combined, must not exceed
750mA.
2.
For household burglary installations the total current drawn from the alarm output must not
exceed 1.7A. A battery must be installed since the combined auxiliary power, polling loop,
and alarm output in excess of 750mA must be supplied by the battery.
The output has the following options:
•
Selectable for supervision
•
Selectable for confirmation of arming ding (1-2 sec. sounding to confirm system has
armed)
•
Selectable to chime when entry/exit or perimeter zones are faulted
•
Selectable for no timeout or timeout of 2-30 minutes
U
L
Burglary bell circuits must be programmed for a timeout of 16 minutes or longer.
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