D2 Datasheet, PDF (3/4 Pages) Systemsensor advanced ideas. – 2-Wire Photoelectric Duct Smoke Detector

Wiring for 2-wire Duct Smoke Detector
System wiring diagram for 2-wire duct smoke detectors (powered from initiating device circuit):
UL/FM LISTED
COMPATIBLE 2-WIRE
CONTROL PANEL
(+)
ALARM
INITIATION
LOOP
(–)
1ST DETECTOR
IN LOOP D2
2ND DETECTOR
IN LOOP D2
LAST DETECTOR
IN LOOP D2
EOL RESISTOR
SPECIFIED
BY PANEL
MANUFACTURER
(+) IN
(+) OUT
(+)
(+) RA
(–) RA
(–)
(+) IN
RA400Z (OPTIONAL)
REMOTE ALARM LED
4.4 VDC NOM.
IN ALARM
(–)
(+) OUT
(+)
(+) RA
(–) RA
(–)
(+) IN
RA400Z (OPTIONAL)
REMOTE ALARM LED
4.4 VDC NOM.
IN ALARM
(–)
(+) OUT
(+)
(+) RA
(–) RA
(–)
RA400Z (OPTIONAL)
REMOTE ALARM LED
E
O
L
R
4.4 VDC NOM.
IN ALARM
(–)
STYLE D OPTIONAL WIRING
Wiring diagram for 2-wire duct smoke detector to RTS451/RTS451KEY Remote Test Station
4
MAGNET
TEST
SWITCH
5
2
(–)
ALARM
LED (RED) ₁ (+)
RTS451/RTS451KEY
(OPTIONAL) REMOTE
TEST STATION
+ TEST COIL
– TEST COIL
+ IN
+ OUT
–
– RA
24 VDC
(–)
AUX POWER
SUPPLIED
(+)
BY USER
(100mA
SUPPLY)
24 VAC (+10%, –15%)
FULL WAVE RECTIFIED,
UNFILTERED POWER
MAY BE USED
+ RA
+ RTS
D2
METHOD #1 - AUX POWER LOCATED
AT DUCT DETECTOR
24 VDC
AUX POWER
SUPPLIED
BY USER
(100mA
SUPPLY)
4
MAGNET
TEST
SWITCH
5
2
24 VAC (+10%, –15%)
(–)
FULL WAVE RECTIFIED,
UNFILTERED POWER ALARM
MAY BE USED
LED (RED) ₁ (+)
RTS451/RTS451KEY
(OPTIONAL) REMOTE
TEST STATION
+ TEST COIL
– TEST COIL
+ IN
+ OUT
–
– RA
+ RA
+ RTS
D2
METHOD #2 - AUX POWER LOCATED
AT TEST STATION
Important Note
The use of either RTS451 or RTS451KEY requires the installation of an accessory coil, DCOIL, sold separately.
Please refer to the D2 installation manual for more information
A05-0421-000