Secutron MR-2306-DDR User Manual

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7.0 Field wiring
7.1 Main Fire Alarm Board Field Wiring
Wire devices to the terminals as shown in the figures that follow. Refer to the Wiring Tables for
wire gauges and to Appendix A for specifications.
7.1.1 Initiating Circuit Wiring
Wiring diagrams for the initiating circuits are shown below. The panel supports Style B wiring
or Style D wiring for the initiating circuits. The initiating circuits are supervised by a 3.9K End-
of-Line Resistor or for power saving an Active-End-of-Line.
Figure 16 Initiating circuit – Class B or Style B wiring
Caution: Do not exceed power supply ratings.
Note: Depending on configuration, End-of-Line Resistors on initiating circuits must be
all 3.9 k
Ω or all Active End-of-Line resistors.
!
+
-
STYLE B
WIRING
STYLE B
WIRING
INITIATING
CIRCUIT #1
INITIATING
CIRCUIT #2
INITIATING
CIRCUIT - 1
ALARM ZONE
INITIATING
CIRCUIT - 2
SUPERVISORY
ZONE
ION SMOKE
DETECTOR
PHOTO SMOKE
DETECTOR
HEAT
DETECTOR
PULL STATION
3.9K 1/2 WATT ELR
SUPERVISORY
NOTE: ACTIVE END OF LINE
RESISTORS MAY BE USED, BUT
THEY MUST BE USED ON ALL
THE INITIATING CIRCUITS.
FIRE ALARM MAIN BOARD
+
-
DET 1DET 2
i

Secutron MR-2306-DDR Specifications

General

Brand	Secutron
Model	MR-2306-DDR
Category	Control Panel
Language	English