Det-Tronics U7652 - Wiring Terminal Configuration for U7652 C with 4 to 20 Ma Output; Figure 10 a Typical System Using U7652 B; Figure 11 a Typical System Using U7652 C Detectors with Auxiliary Relays

Figure 8 — Wiring Terminal Configuration for
U7652C with Auxiliary Relay
Figure 9 — Wiring Terminal Configuration for
U7652C with 4 to 20 ma Output
Figure 10— A Typical System Using U7652B
Detectors
Figure 11 — A Typical System Using U7652C
Detectors with Auxiliary Relays
Figure 12 — U7652C Detector with 4 to 20 ma
Output Wired for Non-Isolated Current
Sourcing Output
8
+
–
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
24 VDC
ALARM
EOL
DEVICE
FIRE ALARM
PANEL
FAULT RELAY IS SHOWN DE-ENERGIZED, BUT IS NORMALLY
ENERGIZED WITH POWER APPLIED AND NO FAULTS PRESENT
D1322
U7652B
o
i
TEST
+
–
o
i
FIRE
RELAY
SPARE
*
*
FAULT
RELAY
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
U7652B
+
–
o
i
FIRE
RELAY
CON 1
CON 1
CON 2
CON 2
SPARE
*
FAULT
RELAY
0.47 µF/400 VOLT
CAPACITOR
Figure 10—A Typical System Using U7652B Detectors
FAULT RELAY IS SHOWN DE-ENERGIZED,
BUT IS NORMALLY ENERGIZED WITH
POWER APPLIED AND NO FAULTS PRESENT.
*
CON 1 CON 2
C1439
FIRE ALARM PANEL
EOL
DEVICE
EOL DEVICE
ALARM
24 VDC
AUX
+
–
o
i
TEST
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
AUX RELAY
FAULT RELAY
FIRE RELAY
*
CON 1 CON 2
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
AUX RELAY
FAULT RELAY
FIRE RELAY
*
0.47
µ
F/400 VOLT
CAPACITOR
Figure 11—A Typical System Using U7652C Detectors with Auxiliary Relays
D1440
–
C
NO
NC
C
NO
o
i
–
+
+
C
NO
NC
C
NO
o
i
–
+
FIRE
FAULT*
FAULT RELAY IS SHOWN DE-ENERGIZED,
BUT IS NORMALLY ENERGIZED WITH
POWER APPLIED AND NO FAULTS PRESENT.
*
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
FIRE
FAULT*
CON 1 CON 2
4 TO 20 MA
4 TO 20 MA
Figure 9—Wiring Terminal Configuration for U7652C
with 4 to 20 ma Output