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PAD-4 Installation, Operation and Maintenance Manual
Fire Control
Unit
Input 1 Activates Outputs 1 & 2 and Input 2 Activates Outputs 3 & 4
Fire Control
Unit
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.
34
Notification Appliance Circuit
Notification Appliance Circuit
Figure 4-3
Notification Appliance Circuit
Notification Appliance Circuit
Figure 4-4
One Control Panel Activating Two PAD-4s
Input 1
Input 2
24 VDC
S1
ON
3
2
1
PAD-4
Input 1
O
O
O
O
u
u
u
u
t
t
t
t
p
p
p
p
u
u
u
u
t
t
t
t
1
2
3
4
24 VDC
S1
ON
3
2
1
PAD-4
O
O
O
O
u
u
u
u
t
t
t
t
p
p
p
p
u
u
u
u
t
t
t
t
1
2
3
4
24 VDC
S1
ON
3
2
1
PAD-4
Input 1
O
O
O
O
u
u
u
u
t
t
t
t
p
p
p
p
u
u
u
u
t
t
t
t
1
2
3
4
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