Det-Tronics U7652B, C Unitized UV/IR Flame Detector - Manual (Page 10)

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
oi TEST
+
–
oi
FIRE
RELAY
SPARE
*
* FAULT
RELAY
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
U7652B
+
–
oi
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
+
–
oi 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 µF/400 VOLT
CAPACITOR
Figure 11—A Typical System Using U7652C Detectors with Auxiliary Relays
D1440
–
C
NO
NC
C
NO
oi
–
+
+
C
NO
NC
C
NO
oi
–
+
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