Four-Wire Smoke Detector Wiring; Relay Adder Module Wiring; Figure 18 Four-Wire Smoke Detector Wiring - Class B; Figure 19 Relay Per Zone (Mr-2306-R6) Terminal Connection - Secutron MR-2320 Series Installation And Operation Manual

6.5

Four-Wire Smoke Detector Wiring

FIRE ALARM MAIN BOARD
+
-
RESETTABLE 4-WIRE SMOKE
DETECTOR POWER SUPPLY
22VDC, 200mA
MAX. CURRENT - 300mA
MAX. RIPPLE VOL. 5mV
(POWER LIMITED)
LEGEND
3.9K 1/2 WATT ELR

Figure 18 Four-wire smoke detector wiring - class B

6.6

Relay Adder Module Wiring

Wire relays on the relay adder module MR-2306-R6 as shown in Figure 19.

Figure 19 Relay per zone (MR-2306-R6) terminal connection

+ +
POWER
- -
+ +
- -
DETECTION
4-WIRE DETECTION DEVICE
TO INITIATING
CIRCUIT
5
6
2
3
1
4
END OF LINE RELAY
LISTED S3403
MODEL A77-716B
MANUFACTURED BY
SYSTEM SENSOR
NOTES
ALL POWER LIMITED CIRCUITS
MUST USE TYPE FPL, FPLR,
OR FPLP POWER LIMITED
CABLE
27