30 FireWarden 100-2/E — P/N 52778:A 11/04/2005
Installation Notification Appliance Circuits
2.5.2 Style Y (Class B) NAC Wiring
2.5.3 Style Z (Class A) NAC Wiring
B
+
B
+
B
-
B
-
1
1
-
+
+
+
+
+
+
+
+
+
+
+
+
B
+
B
-
B
+
B
-
33
2
2
44
Figure 2.8 NAC Style Y (Class B) Wiring
4 Style Y (Class B) Notification Appliance Circuits, supervised and power-limited - 4.7 k ohm, ½ watt P/N:71252 UL listed
Polarized Bells
Polarized Bells
Polarized HornsPolarized Horns
Polarized Strobes
Notification Appliance Circuit
polarity shown in alarm state
Dummy Load all unused circuit
TB4
9200nacy.cdr
Polarized Strobes
circuit number
NAC 1
NAC 3
NAC 4
NAC 2
TB3
B
+
B
+
B
-
B
-
A
+
+
A
-
-
+
+
+
+
+
+
2 Style Z (Class A) Notification Appliance
Circuits, supervised and power-limited
Polarized Bell
Polarized Horn
Polarized Horn
Notification Appliance Circuit
polarity shown in alarm state
Polarized Bell
Polarized Strobe Polarized Strobe
Figure 2.9 NAC Style Z (Class A) Wiring
9200nacz.cdr
NAC 1
NAC 2
TB3
TB4