Siemens PAD-4 Installation, Operation And Maintenance Manual page 41

Fire Control Unit
Fire Alarm
Notification
Zone
Circuit
+ -
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.
Multiple PAD-4s Activated by a Single Notification Circuit
PAD-4 Installation, Operation and Maintenance Manual
CAUTION: FOR SYSTEM SUPERVISION,
DO NOT USE LOOPED WIRE UNDER TERMINALS.
BREAK WIRE RUN TO PROVIDE SUPERVISION OF CONNECTION.
TROUBLE CONTACTS
MONITORED BY
FACP ZONE
PAD-4
1 1 NC COM 1
+ -
Figure 4-7
PAD-4
1 NC COM 1
+ - +
P/N 140-034677
24K EOL OF
NAC CIRCUIT
PAD-4
1 NC COM
-
EOL OF
TROUBLE
CONTACT
FROM FACP
37