Secutron MR-3318, Инструкция по установке и эксплуатации

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7.3.3 Addressable Loop Wiring - Class X or Style 7
Figure 14 Addressable Loop Wiring - Class X or Style 7
7.4 NAC Circuit Wiring
The MR-3318 supports up to 4 NAC circuits that can be wired as either:
• Class B (Style Y)
• Class A (Style Z)
To supervise each Class B NAC circuit, use a 3.9K End-of-Line resistor.
Each NAC circuit provides up to 1.5A, total 5A of current maximum if no auxiliary power is
used.
For detailed wiring diagrams see Figure 15 NAC Circuit – Class B or Style Y Wiring or Figure
16 NAC Circuit – Class A or Style Z Wiring.
ION SMOKE
DETECTOR
PHOTO SMOKE
DETECTOR
HEAT DETECTOR
OUTPUT MODULE
I
ISOLATOR
M
I I I I I I
M
I I
A L
OOP1
B
+
-
+
-