Output Circuits; Notification Appliance Circuit Connections - Fire-Lite 411UDAC Installation, Programming, Troubleshooting And Operating Instruction Manual

Fire alarm communicator
Table of Contents

Advertisement

Output Circuits

2.5
Output Circuits
Notification Appliance Circuit
The 411UDAC provides one Style Y (Class B) NAC (Notification Appliance Circuit). The NAC is supervised
and power-limited and is capable of 1.0 amp of current. Refer to the Device Compatibility Document for a listing
of compatible notification appliances.
Note:
1. The 411UDAC can only be used to supplement host panel NACs.
2. Do not connect strobes to the 411UDAC Notification Appliance Circuit.
The NAC may be programmed as follows:
• Silenceable
• Nonsilenceable (waterflow)
• Silence Inhibited (one minute)
• Autosilence (5 to 30 minutes)

Notification Appliance Circuit Connections

FIGURE 2-8:
Dummy Load NAC circuit with 2.2K ohm, ½ watt
End-of-Line resistor if not being used.
26
Style Y (Class B) Notification Appliance Circuit
(supervised and power-limited).
2.2K ohms, ½ watt P/N 27070
Note: Notification Appliance Circuit
polarity shown in alarm state
+
Polarized Bell
Polarized Horn
+
Polarized Horn
+
TB4
B+
B-
+
-
NAC
+12V POWER
411UDAC
Document #51073
Rev. D 12/09/2008
P/N 51073:D

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Firewatch 411udac

Table of Contents