22
Field Wiring
6.1.1
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 3.9K
Ω
EOL resistor or an active EOL module.
Figure 8
Initiating circuit – Class B or Style B Wiring
Figure 9
Initiating circuit– Class A or Style D Wiring
+
-
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
BL
K R
ED
BL
K
RE
D
- D
E
T1
OU
T+
- D
ET
2
OU
T+
- D
ET
1
R
ET
+
- D
ET
2
R
ET
+
+
-
DE
T
1
DE
T
2
+
-
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
+
-
DE
T
1
DE
T
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
BL
K RE
D
BL
K
RE
D
- D
E
T1
OU
T+
- DE
T2
OU
T+
-
D
ET1
R
ET+
-
D
ET2
RE
T+
+
-
DE
T
1
DE
T
2
MR-2300-A
Содержание MR-2320 Series
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