System Sensor I56-1148-04 specifications D100-67-00

Figure 7. System wiring diagram for 2-wire duct smoke detectors (detectors powered from initiating circuit):

CAUTION

Do not loop wire under terminals when wiring detectors. Break wire runs to provide system supervision of connections.

UL LISTED	1ST DETECTOR			LAST DETECTOR
COMPATIBLE 2-WIRE
	IN LOOP DH100			IN LOOP DH100
CONTROL PANEL
	SUPERVISORY			SUPERVISORY		EOL RESISTOR
	SWITCH			SWITCH		SPECIFIED BY
						PANEL MANUFACTURER
	7	6		7	6
(+)
	(+) IN	(+) OUT		(+) IN	(+) OUT
	4		(+)	4	(+)
		(+)			(+)		E
			RA400Z (OPTIONAL)			RA400Z (OPTIONAL)
							O
ALARM			REMOTE ALARM LED			REMOTE ALARM LED
INITIATION		(–)			(–)		L
	5			5			R
LOOP			(–)2.8 VDC NOM.		(–)	2.8 VDC NOM.
			IN ALARM			IN ALARM
	8			8
(–)	(–) IN	(–) OUT		(–) IN	(–) OUT

STYLE D OPTIONAL WIRING

Figure 8. Wiring diagram for RTS451/RTS451KEY Remote Test Station to 2-wire duct smoke detectors:

V In +	7
V In / V Out –	8
DH100				RTS451 KEY
Test +	1	5			Test
Test / Reset –	2	4
Reset +	3	3
RA +	4	1	Alarm		Reset
			LED
RA –	5	2
V Out +	6	6	No Connection
V In +	7	Panel
		+
V In / V Out –	8	–

A78-2350-00

D100-67-00 6 I56-1148-04