System Sensor B112LPA - Page 3

DETECTOR
POWER LOOP
(+)
(–)
ALARM
INITIATION LOOP
FCI
CONTROL PANEL
ALARM RELAY
AUXILIARY CONTACTS
N.O.
12
N.C.
13
C.
14
(2.8 VDC)
(+) (—)
1 4
ALARM
RELAY
REMOTE
ANNUNCIATOR
OUTPUT
(+IN) 2
3 (+OUT)
SHORTING
SPRING
5 (–IN, –OUT)
(IN)
10
(OUT)
11
ALARM RELAY
8
(IN)
9
(OUT)
FIRST DETECTOR IN LOOP
ALARM RELAY
AUXILIARY CONTACTS
N.O.
12
N.C.
13
C.
14
(2.8 VDC)
(+) (—)
1 4
ALARM
RELAY
REMOTE
ANNUNCIATOR
OUTPUT
(+IN) 2
3 (+OUT)
SHORTING
SPRING
5 (–IN, –OUT)
(IN)
10
(OUT)
11
ALARM RELAY
8
(IN)
9
(OUT)
LAST DETECTOR IN LOOP
EOL
RESISTOR
EOL RELAY
(+)
(–)
NOTE: Schematic
Shown for
Reference
1
2
3
4
5
8
9
10
11
12
13
14
ULC LISTED 4-WIRE CONTROL PANEL
REMOTE
ANNUNCIATOR
RELEASING
DEVICE
(OPTIONAL)
1
2
3
4
5
8
9
10
11
12
13
14
REMOTE
ANNUNCIATOR
POWER LOOP +
POWER LOOP –
ALARM CIRCUIT
RELEASING
DEVICE
(OPTIONAL)
EOL RELAY
RESISTOR
+
–
+
–
+
–
D150-03-00 REV: 001 3 I56-1030-000
Figure 2. Typical wiring diagram:
Figure 3A. Activating the tamper-resistance feature:
PLASTIC LEVER
BREAK TAB AT
DOTTED LINE BY
TWISTING TOWARD
CENTER OF BASE.
USE SMALL-BLADED
SCREWDRIVER TO
PUSH PLASTIC LEVER
IN DIRECTION OF
ARROW.
Figure 3B. Removing detector head from base: