Secutron MR-2312-DDR

31
Field wiring
Figure 18 Indicating circuit – Class B or Style Y wiring
Figure 19 Indicating circuit – Class A or Style Z wiring
- SIG 1 +
STYLE Y
WIRING
STYLE Y
WIRING
INDICATING
CIRCUIT - 1
INDICATING
CIRCUIT - 2
BELL STROBE 3.9K 1/2 WATT ELR
INDICATING
CIRCUIT #1
INDICATING
CIRCUIT #2
HORN
FIRE ALARM MAIN BOARD
- SIG 2 +
BELL
STROBE
HORN
+
-
STYLE Z
WIRING
STYLE Z
WIRING
INDICATING
CIRCUIT #1
INDICATING
CIRCUIT #2
INDICATING
CIRCUIT 1
INDICATING
CIRCUIT 2
2 MORE INDICATING
CIRCUITS NOT SHOWN
SOCA-204 CLASS A
CONVERTER MODULE
FIRE ALARM MAIN BOARD
BLK RED
BLK RED
- SIG1 OU T+- SIG2 O UT+
- SIG1 RET+- SIG2 R ET +
+
-
SIG 1SIG 2
MR-2300-NC4