37
PAD-4 Installation, Operation and Maintenance Manual
Fire Control Unit
Notification
Circuit
Fire Alarm
Zone
+ -
1
1
+
-
NC COM
PAD-4
PAD-4
PAD-4
P/N 140-034677
24K EOL OF
NAC CIRCUIT
EOL OF
TROUBLE
CONTACT
FROM FACP
TROUBLE CONTACTS
MONITORED BY
FACP ZONE
CAUTION: FOR SYSTEM SUPERVISION,
BREAK WIRE RUN TO PROVIDE SUPERVISION OF CONNECTION.
DO NOT USE LOOPED WIRE UNDER TERMINALS.
1
1
+
-
NC COM
1
1
+
-
NC COM
NOTE:
Only the appliances connected to the same PAD-4 will operate synchronously when the output circuits
of the PAD-4 are set to synchronization mode. The appliances connected to a different PAD-4 will not
operate synchronously.
Figure 4-7
Multiple PAD-4s Activated by a Single Notification Circuit