Johnson Controls Metasys IFC-200 Installation Procedures Manual page 27

IF C -20 0
TB 1
+
-
+
-
24V(+) TB 1-5
+
24V(-) TB1-6
-
Four-Wire
TB 2 Detector Power
B+
B-
B+
B-
B+
B-
B+
B-
TB 3
N O
C
N O
N C
C
N O
N C
C
TB 4
T X
R E F
R X
R E F
TB 5
O U T
O U T
IN
IN
TB 6
A
B
B+
S LC(+ ) TB 6-3
A+
S LC(-) TB6-5
B-
A-
Figure 18: NFPA Style B Initiating Device Circuit (Four-Wire)
Hardware Installation—IFC-200 Hardware Installation Procedures
To Next Device
on SLC
SLC
M500MJ
Out
1
2
3
4
End-of-Line Resistor
24 VDC Four-Wire
Smoke Detector
Manual
Pull Station
Heat
Detector
9
8
7
6
5
FIG2-13
A77-716B
Power Supervision
Relay
27