Det-Tronics U5005 Smoke Detector User Manual
Page 3
3.1
95-8452
3
MOUNTINg ThE DETECTOR
Using three No. 8 flat head screws placed through
1.
the counterbored holes in the detector flange,
secure the detector to the surface location. Secure
the junction box if necessary.
Remove the cover from the junction box and
2.
complete installation of system conduit. Feed the
external wiring through the remaining junction box
entry or M25 to 3/4 inch adapter. Use care not to
damage the wires by twisting them when installing
the junction box.
Connect the external wiring to the appropriate
3.
terminals and re-install the junction box cover. See
Figures 3, 4 and 5 for wiring details.
DETECTOR CONNECTIONS
The U5005 contains two sets of relay contacts:
One set of NO Alarm contacts close upon detection
1.
of smoke.
One set of NC Trouble contacts close when the
2.
detector is powered.
3.5 (8.9)
14.4 (36.6)
B1967
120°
5/32 INCH DIA. (3)
2.4 (6.1)
5.3 (13.5)
3.46
(8.8)
4.7
(11.9)
2.7
(6.9)
5.2
(13.2)
5.86
(14.9)
3.77
(9.6)
1.28
(3.3)
Figure 2—U5005 Dimensions in Inches (Centimeters)
1
2
3
4
5
NORMALLY CLOSED SUPERVISORY CONTACTS
NORMALLY OPEN ALARM CONTACTS
AUXILIARY ALARM CONTACTS
+
–
GROUND
YELLOW
YELLOW
VIOLET
VIOLET
BLACK
RED
TO DETECTOR
1 2 3 4 5 6
TB – 1
TB – 2
TB – 3
NOTE:
CIRCUIT SHOWN IN THE NORMAL STANDBY ENERGIZED MODE
C1192
7
10
8
9
6
Figure 3—wiring Terminals