External Sounders; General Information - ADEMCO VISTA-128B Installation And Setup Gude

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General Information

Alarm Output Supervision
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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.
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.
U L
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.
S E C T I O N

External Sounders

Installing Alarm Indicating Devices to the
Alarm Output
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