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GST-IFP4M Intelligent Fire Alarm Control Panel
Installation and Operation Manual
Page
29
Detector
MCP
Detector
MCP
O+
O-
SLCx
I-
I+
Detector
Detector
Fig2.24
2.5.4 Notification Appliance Circuits (NAC)
Note: Synchronization of the audible and visible alarm signal is only provided on a
notification circuit basis or on a DI-M9305 controlled zone basis.
There are two Class B NACs on the panel. The total maximum current in alarm for two
NACs cannot exceed 2.5A. Use compatible UL listed notification appliances (see Section
1.5, Table 6) that can work at regulated 24VDC. Circuits are regulated, supervised and
power-limited.
Connection of NAC1 is shown in Fig 2.25 below.
Fig 2.25
NAC2/AUX output can be configured as NAC or supervised 24Vdc Auxiliary Power Output
(AUX). When it is configured as NAC2 output, it is same as NAC1 and a 4.7 k
Ω
End-of-Line resistor shall be connected. When it is configured as AUX, an 1 k
Ω
End-of-Line resistor shall be connected and the connection is shown in Fig 2.26 below.
Fig 2.26
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