1: Style Y (Class B) Nac Wiring; 2: Style Z (Class A) Nac Wiring With Znac-92 Converter - Fire-Lite MS-9200UDLS Manual

Installation
2.5.1 Style Y (Class B) NAC Wiring
4 Style Y (Class B) Notification Appliance Circuits, supervised and power-limited - 4.7 k, ½ watt P/N:71252 UL listed
Polarized Bells
Polarized Strobes
Polarized Horns
Notification Appliance Circuit
polarity shown in alarm state
circuit number
2.5.2 Style Z (Class A) NAC Wiring with ZNAC-92 Converter
4 Style Z (Class A) Notification Appliance Circuits, supervised and power-limited
Polarized Bell
Polarized Strobe
Polarized Horn
circuit number
circuit number
Notification Appliance Circuit
polarity shown in alarm state
52
NAC 1
NAC 3
+ +
+ +
+ +
B B B B
B
-
-
+ +
+
-
3 3 1
1
2
TB3
TB4
Figure 2.8 NAC Style Y (Class B) Wiring
NAC 3
NAC 1
Polarized Bells
Polarized Strobes
Polarized Horns
TB3
TB1
Figure 2.9 NAC Style Z (Class A) Wiring
NAC 4
NAC 2
Polarized Bells
+
+
Polarized Strobes
+
+
Polarized Horns
+ +
B B B
-
-
+
2 Dummy Load all unused circuit
4 4
NAC 4 NAC 2
TB4
Dummy Load all unused circuits
TB2
ZNAC-92
MS-9200UDLS/E/C Manual — P/N 52750:F 7/26/2010
Notification Appliance Circuits
Polarized Bell
Polarized Strobe
Polarized Horn