Verkada AC42 Install Manual page 20

Installation
FAI set up 1/2
Normally Closed Input
A normally closed fire alarm input from an
FACP should be wired across FAI- and FAI_P.
A jumper wire must be connected across
FAI- and FAI P.
When the contact is open, this activates the
FAI in the AC42 which disables 12V/24V
power to all 4 relay outputs. In other words
all wet locks will be effectively dry while the
FAI is triggered.
Important
FAI+ and FAI_P must be locally jumpered
in this configuration.
Normally Open Input
A normally open fire alarm input from an
FACP should be wired across FAI+ and FAI-.
When the contact is closed, this activates
the FAI in the AC42 which disables 12V/24V
power to all 4 relay outputs. In other words
all wet locks will be effectively dry while the
FAI is triggered.
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AC42
AC42
All specifications are subject to change without notice
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