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Installation
2.4.1 Class B NAC Wiring
four Class B Notification Appliance Circuits, supervised and power-limited - 4.7 kΩ, ½ watt P/N:71252 UL listed
Polarized Bells
Polarized Strobes
Notification Appliance Circuit
polarity shown in alarm state
circuit number
2.4.2 Class A NAC Wiring
Notification Appliance Circuit
polarity shown in alarm state
circuit number
2.5 Remote Synchronization Output
Synchronization is a feature that controls the activation of notification appliances in such a way that all devices will turn on and off at exactly
the same time. This is particularly critical when activating strobes which must be synchronized to avoid random activation and a potential
hazard to individuals. Devices connected directly to the control panel's NACs can be synchronized as described in "Type" on page 73.
Notification appliances connected to FL-PS NAC power supplies require synchronization with the FACP's devices. This can be accom-
plished by connecting the Remote Synchronization Output from TB8 of the ES-1000X to the sync input of the FL-PS Power Supply. The
24 VDC signal from TB8 follows, that is mimics, the signal on NAC1. This allows the devices connected to the power supply to be synchro-
nized with the devices connected to NAC1 on the FACP.
The Remote Synchronization Output is power-limited and supervised (refer to "UL Power-limited Wiring Requirements" on page 27) and
can be wired in Class B or Class A. A 4.7 kΩ ELR resistor must be connected to the end of the wiring at the remote power supply for Class
B wiring. Supervision of the remote synchronization is automatically enabled when the remote sync output is enabled. Supervision will be
disabled if the output is disabled. For more information on enabling the remote sync output, refer to page 100.
26
NAC 1
+
+
+
Polarized Horns
NAC1
TB4
Figure 2.7 NAC Class B Wiring
4 Class A Notification Appliance Circuits, supervised and power-limited
NAC 1
Polarized Bells
+
+
Polarized Strobes
+
Polarized Horns
NAC1
TB4
Figure 2.8 NAC Class A Wiring
NAC 3
NAC 4
NAC 2
+
+
+
+
+
+
+
+
+
NAC2
NAC3
NAC4
TB5
TB6
TB7
NAC 2
NAC 3
NAC 4
+
+
+
+
+
+
+
+
+
NAC3
NAC4
NAC2
TB5
TB6
TB7
ES-1000X Series Manual — P/N LS10133-000FL-E:A 6/21/2023
Remote Synchronization Output
Polarized Bells
Polarized Strobes
Polarized Horns
Dummy Load all unused circuit
Polarized Bells
Polarized Strobes
Polarized Horns
Dummy Load all unused circuits
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