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Installation
ANN-RLY Board Layout and Connection to FACP
Figure 2.29 illustrates the ANN-RLY board wiring connections to the FACP.
2.9 ANN-BUS Audio Panel
WARNING: RISK OF ELECTRICAL SHOCK
!
DISCONNECT ALL SOURCES OF POWER (AC AND DC) BEFORE INSTALLING OR REMOVING ANY WIRING.
The FACP must be enabled to communicate with the ACC-25/50ZS/T Audio Panel over the ANN-BUS (refer to "ANN-BUS Enabled"
on page 71). This is accomplished by programming the Audio Panel ANN-BUS address into the FACP (refer to"BUS Modules" on
page 71). For details on setting the ANN-BUS address and programming the audio panel, refer to the ACC-25/50ZS/T Series Audio
Panel manual (document #51889).
The ACC-25/50ZS/T Series audio panel connects to the FACP via the ANN-BUS communication circuit. The five input zones on the
MS-5UD correspond to the first five ACC-25/50ZS/T Series audio zones and the ten input zones on the MS-10UD correspond to the first
ten ACC-25/50ZS/T Series audio zones. The programmer can select which of the five audio messages at the audio panel will play when
an FACP input zone goes into alarm (refer to"ACC Message" on page 61). The 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 74).
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.
48
TB3
FACP
-24 VDC
+24 VDC
Primary ANN-BUS
Figure 2.29 ANN-RLY Board Layout and Connection to FACP
ANN-BUS (ID#)
Address DIP switch
MS-5UD & MS-10UD Series Manual — P/N 52626:C7 6/12/2018
ANN-BUS Audio Panel
ANN-RLY
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