146
44.0 Appendix H: APB-200/COA Sounder Bases
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 86 Sounder Base Wiring to Auxiliary Power Supply with Supervision (Class B)
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”.
24V AUX
POWER
+
+
-
-
Loop 1
SLC
MIX-FC351(A) Fire
CO Detector
& APB200/COA
Sounder Base
MIX-FC351(A) Fire
CO Detector
& APB200/COA
Sounder Base
MIX-FC351(A) Fire
CO Detector
& APB200/COA
Sounder Base
MIX-M500MAP/A
MONITOR
MODULE
EOLR-1A
END OF LINE
RELAY
47K ohms
EOL Resistor
FOR SUPERVISION
OF 24V AUX POWER
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