Appendix J: APB-200/COA Sounder Bases
TM
The FleX-Net
Network Fire Alarm system can accommodate up to 32 APB-200/COA sounder bases per panel
(node). The sounder base audio is synchronized on the same loop basis.
Below is a wiring diagram for connecting the sounder bases to auxiliary power with supervision.
Figure 85: Sounder Base Wiring to Auxiliary Power Supply with Supervision
+
COSAP/A Fire CO
Detector
& APB200/COA
Loop 1
Sounder Base
SLC
-
+
24V AUX
POWER
-
The monitor module (shown in the diagram above) should be set up in the configurator to report as a trouble input with
the message tag "Sounder Base Fault".
136
COSAP/A Fire CO
COSAP/A Fire CO
Detector
Detector
& APB200/COA
& APB200/COA
Sounder Base
Sounder Base
MIX-M500MAP/A
MONITOR
MODULE
47K ohms
EOL Resistor
EOLR-1A
END OF LINE
RELAY
FOR SUPERVISION
OF 24V AUX POWER
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