System Sensor DH500, Intelligent Air Duct Smoke Detector Housing specifications

RA400Z (+)

RA400Z or (-) RTS451/ RTS451KEY

(+)

RA400

(-)

REMOTE ALARM

LED OPTION

1 PER UNIT

8mA CURRENT DRAW

Figure 5A.

Unused

Remote

Test

(+)

(-)

	4		5
*EXTERNAL	1	2	3
(-) POWER (+)

SUPPLY

RA400Z (+)

RTS451/RTS451KEY (+)

RA400Z or RTS451/RTS451KEY (-)

RTS451/RTS451KEY

REMOTE TEST STATION

LED OPTION

Comm. Line

(-)

1 PER UNIT

8mA CURRENT DRAW

(+)

	TEST COIL OPTION
	1 PER UNIT
Figure 5B.	95mA CURRENT DRAW

*The RTS451/RTS451KEY test coil circuit requires an external 24VDC power supply which must be UL listed

Comm. Line (+)

Alarm

Initiation

Loop

UL Listed Control Panel

	Comm.
	Line (-)
1st	2nd
Detector	Detector
in Loop	in Loop

Figure 5C. System wiring diagram
for duct detectors using a UL listed	H0295-00
control panel.

D500-08-00 6 I56-512-07R