NFW-100X Manual — P/N LS10131-001NF-E:C 7/25/2018 27
Notification Appliance Circuits Installation
2.4.1 Class B NAC Wiring
2.4.2 Class A NAC Wiring
NAC4NAC3
NAC2
NAC1
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Figure 2.7 NAC Class B Wiring
4 Class B Notification Appliance Circuits, supervised and power-limited - 4.7 kΩ, 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
TB5
e
s
2
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0
n
a
c
y
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w
m
f
Polarized Strobes
circuit number
NAC 1
NAC 2
NAC 3
NAC 4
TB4 TB6 TB7
NAC4NAC3
NAC2
NAC1
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4 Class A Notification Appliance Circuits, supervised and power-limited
Polarized HornsPolarized 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
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w
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TB7TB4