ES-200X Series Manual —
P/N LS10131-000FL-E:C 7/25/2018
27
Notification Appliance Circuits
Installation
2.4.1 Class B NAC Wiring
2.4.2 Class A NAC Wiring
NAC4
NAC3
NAC2
NAC1
+
+
+
+
+
+
+
+
+
+
+
+
Figure 2.7 NAC Class B Wiring
4 Class B Notification Appliance Circuits, supervised and power-limited - 4.7 k
Ω
, ½ watt P/N:71252 UL listed
Polarized Bells
Polarized Bells
Polarized Horns
Polarized Horns
Polarized Strobes
Notification Appliance Circuit
polarity shown in alarm state
Dummy Load all unused circuit
TB5
e
s
2
0
0
n
a
c
y
.w
m
f
Polarized Strobes
circuit number
NAC 1
NAC 2
NAC 3
NAC 4
TB4
TB6
TB7
NAC4
NAC3
NAC2
NAC1
+
+
+
+
+
+
+
+
+
+
+
+
4 Class A Notification Appliance Circuits, supervised and power-limited
Polarized Horns
Polarized Horns
Notification Appliance Circuit
polarity shown in alarm state
Polarized Bells
Polarized Strobes
Polarized Strobes
Figure 2.8 NAC Class A Wiring
NAC 1
NAC 4
TB5
TB7
NAC 2
NAC 3
Dummy Load all unused circuits
Polarized Bells
circuit number
e
s
2
0
0
c
n
a
c
z
.w
m
f
TB7
TB4