Figure 10. laser head exploded view: figure 9 – System Sensor 7251DH User Manual
Page 6

SS-400-000
6
I56-3065-000R
(+)
(-)
RA400
REMOTE ALARM
LED OPTION
1 PER UNIT
8mA CURRENT DRAW
RA400Z (+)
RA400Z or (-)
RTS451/
RTS451KEY
EXTERNAL
(-) POWER (+)
SUPPLY
*
RTS451/RTS451KEY
REMOTE TEST STATION
LED OPTION
1 PER UNIT
8mA CURRENT DRAW
TEST COIL OPTION
1 PER UNIT
95mA CURRENT DRAW
4
5
3
2
1
Unused
Remote
Test
(+)
(-)
(+)
(+)
(-)
(-)
(+)
RA400Z
RTS451/RTS451KEY
RA400Z or
RTS451/RTS451KEY
Comm.
Line
Comm. Line (+)
Alarm
Initiation
Loop
Comm.
Line (-)
ULC Listed
Control Panel
1st
Detector
in Loop
2nd
Detector
in Loop
The RTS451/RTS451KEY test coil circuit requires an external 24VDC
power supply which must be UL listed
*
Figure 9C. System wiring diagram
for duct detectors using a ULC listed
control panel.
Figure 9A.
Figure 9B.
H0542-00
DETECTOR
HEAD
TEST COIL
H0292-00
Figure 11. RTS451/RTS451KEY test coil installation:
SENSOR COVER
COVER REMOVAL TABS
SCREEN ASSEMBLY
SENSING
CHAMBER
C0170-00
Figure 10. Laser head exploded view:
Figure 9: