Johnson Controls Metasys IFC-200 - Page 28

28 Hardware Installation—IFC-200 Hardware Installation Procedures
Figure 19: NFPA Style D Initiating Device Circuit (Four-Wire)
M500MJ
IFC-200
To Next Device
on SLC
SLC
Out
TB1
TB2
+
-
+
-
+
-
B+
B-
B+
B-
B+
B-
B+
B-
NO
C
NO
NC
C
NO
NC
C
TB3
TB4
TB5
TB6
TX
REF
RX
REF
OUT
OUT
IN
IN
A
B
B+
A+
B-
A-
24V(+) TB1-5
24V(-) TB1-6
SLC(+) TB6-3
SLC(-) TB6-5
Power Supervision
Relay
Four-Wire
Detector Power
Manual
Pull Station
Heat
Detector
24 VDC Four-Wire
Smoke Detector
1
2
3
4
9
8
7
6
5
FIG2-14
A77-716B