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ANN-BUS Audio Panel
message will play over the corresponding audio panel output circuit. For example, if FACP Input
Zone 3 goes into alarm, the programmed message will play over the ACC-25/50ZS/T output circuit
3. If two or more input zones are active at the same time, the highest priority message will turn on.
One of the FACP input zones can be programmed as an All-Call Zone. If this zone goes into alarm,
all ACC-25/50ZS/T Series audio zones will activate (refer to"ANN-AUDIO Options Screen" on
page 87).
A fault at the ACC-25/50ZS/T Series panel will cause the FACP to indicate a System Trouble and
the display will indicate a Voice Evac Fault.
The only connection between the MS-5UD/10UD and the ACC-25/50ZS/T audio panel is a pair of
communication wires connected between the A/B terminals on TB3 of the FACP and TB1 termi-
nals 2 & 3 of the ACC-ZPMK module on the ACC-25/50ZS/T.
Figure 2.30 FACP Connection to ACC-25/50ZS/T Audio Panel
MS-5UD & MS-10UD Series Manual — P/N 52626:C2 1/24/2012
FACP
A (+)
+
ACC-ZPMK
on ACC-25/50ZST
B (-)
Primary
ANN-BUS
-
Installation
57
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