Figure 8: Alarm And Trouble Relay Contacts, Remote Annunciation And Four-Wire Detector Wiring Instructions - Mircom FA-103 Installation And Operation Manual

Wiring Tables and Information
Figure 8: Alarm and trouble relay contacts, remote annunciation and four-wire
detector wiring instructions
Resettable
Aux 24V DC
4-WIRE DETECTOR WIRING
4-WIRE DETECTOR APPLICATION
Connect Aux 24V DC either to a RTI-1 OR to
4-wire detection device. Cannot be both.
Use ULC Listed 4 wire smoke detectors
nominally rated 24V.
Resettable
Aux 24V DC
10
24V (+) 24VDC, 250mA max.
GND Not used
TRB
unsupervised
24VDC, 16.5 mA max.
TRL
unsupervised
24VDC, 16.5 mA max.
N C
Common Alarm
C
relay contacts
28VDC, 3A (resistive)
N O
N C
Common trouble
relay contacts
C
28VDC, 3A
(resistive)
N O
24V (+) 24VDC, 250mA max.
GND
RTI-1 CONNECTION
Resettable or Always ON
remote trouble buzzer
BLACK
1.5K
BLUE
RTI-1
-
Contact
Normally
Closed
with power
END OF LINE RELAY
LISTED S3705
MODEL ELOR-1A
MANUFACTURED BY
SYSTEM SENSOR
LAST 4-WIRE
DETECTION
DEVICE
+ +
TO
DETECTION
-
-
ZONE
+
-
RED
remote trouble
LED (amber)
WHITE
Black
Red
+
Coil
Violet
Violet
ELR
3.9K
1/2 W
+
-
+
POWER
-