Table of Contents
Advertisement
Installation
2.5.2 Style Y (Class B) NAC 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 Strobes
Polarized Horns
Notification Appliance Circuit
polarity shown in alarm state
circuit number
2.5.3 Style Z (Class A) NAC Wiring
Notification Appliance Circuit
polarity shown in alarm state
30
NAC 1
NAC 3
+
+
+
+
+
+
B
B
B
B
-
-
+
+
-
3 3
1
1
TB3
Figure 2.8 NAC Style Y (Class B) Wiring
2 Style Z (Class A) Notification Appliance
Circuits, supervised and power-limited
Polarized Bell
+
Polarized Strobe
+
+
Polarized Horn
B
A
A
B
-
-
+
+
NAC 1
TB3
Figure 2.9 NAC Style Z (Class A) Wiring
NAC 4
NAC 2
Polarized Bells
+
+
Polarized Strobes
+
+
Polarized Horns
+
+
B
B
B
B
-
-
+
+
2
Dummy Load all unused circuit
2
4 4
TB4
+
Polarized Bell
Polarized Strobe
+
+
Polarized Horn
B
A
A
B
-
-
+
+
NAC 2
TB4
FireWarden 100-2/E — P/N 52778:A 11/04/2005
Notification Appliance Circuits
Advertisement
Table of Contents
