Mircom FA-301-12DDR

31
Field wiring
Figure 19 Indicating circuit –Class A or Style Z wiring
7.1.3 Four Wire Smoke Detector Wiring
Figure 20 Four-wire smoke detector wiring
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
OCAC-304 CLASS A
CONVERTER MODULE
FIRE ALARM MAIN BOARD
BLK RED
BLK RED
- S I G1 OU T+- SIG2 O UT+
- SIG1 RET+- SIG2 RET+
+
-
SIG 1SIG 2
POWER
DETECTION
++
++
--
--
1
4
2
3
5
6
TO INITIATING
CIRCUIT
RESETTABLE 4-WIRE SMOKE
DETECTOR POWER SUPPLY
22VDC, 200mA
MAX. CURRENT - 300mA
MAX. RIPPLE VOL. 5mV
(POWER LIMITED)
4-WIRE DETECTION DEVICE
END OF LINE RELAY
LISTED S3403
MODEL A77-716B
MANUFACTURED BY
SYSTEM SENSOR
+
-
4-WIRE
SUPPLY
3.9K 1/2 WATT ELR
LEGEND
NOTES
ALL POWER LIMITED CIRCUITS
MUST USE TYPE FPL, FPLR,
OR FPLP POWER LIMITED
CABLE
FIRE ALARM MAIN BOARD