Specifications

28
Field Wiring
7.0 Field Wiring
7.1 Main Board Field Wiring
Wire devices to the terminals as shown in the figures that follow. Refer to 7.7 Wiring Tables
and Information on page 36 for wire gauges and 16.0 Appendix D: Specifications on page 105
for specifications.
7.1.1 Initiating Circuit Wiring
Wiring diagrams for the initiating circuits are shown below. The panel supports Style B wiring
for the initiating circuits and Style D wiring for the indicating circuits. The initiating circuits are
supervised by a 3.9KΩ EOL resistor or an active EOL module.
Figure 11 Initiating circuit – Class B or Style B Wiring
Figure 12 Initiating circuit– Class A or Style D Wiring
Caution: Do not exceed power supply ratings.
!
+
-
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
FIRE ALARM MAIN BOARD
+
-
DET 1DET 2
NOTE: ACTIVE END OF LINE
RESISTORS MAY BE USED, BUT
THEY MUST BE USED ON ALL THE
INITIATING CIRCUITS.
+
-
STYLE D
WIRING
STYLE D
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
SUPERVISORY
4 MORE INITIATING
CIRCUITS NOT SHOWN
DCAC-306 CLASS A
CONVERTER MODULE
FIRE ALARM MAIN BOARD
BLK RED
BLK RED
- DET1
OUT+
- DET2
OUT+
- DET1 RET+- DET2 RET+
+
-
DET 1DET 2
ICAC-306