Det-Tronics X3302 - Page 11

95-876892.1
Figure8— Ex d Wiring Option with Fire and Fault resistors
B2255
FIRE ALARM PANEL
X3302 DETECTOR
ALARM
ALARM
24 VDC
+
–
WIRING NOTES:
1 IN NORMAL OPERATION WITH NO FAULTS OCCURRING, THE FAULT RELAY COIL IS ENERGIZED AND
THE NORMALLY OPEN (N.O.) AND COMMON (COM) CONTACTS ARE CLOSED.
2 ALARM RELAY IS NORMALLY DE-ENERGIZED WITH NO ALARM CONDITION PRESENT.
3 INDIVIDUAL MANUAL o
i
TEST SWITCHES CAN BE INSTALLED REMOTELY OR A DETECTOR SELECTOR AND
ACTIVATION SWITCH CAN BE INSTALLED AT THE FIRE PANEL. TEST SWITCHES ARE NOT SUPPLIED.
4 EOL RESISTOR SUPPLIED BY PANEL.
EOL
DEVICE
4
o
i
TEST
3
9
8
7
6
5
4
3
2
1
19
18
17
16
15
14
13
12
11
COM FIRE
2
COM FIRE
N.O. FIRE
2
N.O. FIRE
N.C. FIRE
2
N.C. FIRE
COM FAULT
1
COM FAULT
N.O. FAULT
1
N.O. FAULT
+Vin
+Vin
–Vin
–Vin –Vin
29
28
27
26
25
24
23
22
21
SPARE
SPARE
RS-485 A
RS-485 B
MAN O
i
mA + mA –
mA + REF
mA – REF
COM AUX
N.O. AUX
N.C. AUX
Figure9—Ex e Wiring Option
D2107
FIRE ALARM PANEL
X3302 DETECTOR
SHIELD
ALARM
24 VDC
+
–
WIRING NOTES:
1 IN NORMAL OPERATION WITH NO FAULTS OCCURRING, THE FAULT RELAY COIL IS ENERGIZED AND
THE NORMALLY OPEN (NO) AND COMMON (COM) CONTACTS ARE CLOSED.
2 ALARM RELAY IS NORMALLY DE-ENERGIZED WITH NO ALARM CONDITION PRESENT.
3 INDIVIDUAL MANUAL o
i
TEST SWITCHES CAN BE INSTALLED REMOTELY OR A DETECTOR SELECTOR AND
ACTIVATION SWITCH CAN BE INSTALLED AT THE FIRE PANEL. TEST SWITCHES ARE NOT SUPPLIED.
4 REFER TO EOL, FIRE, AND FAULT RESISTORS SECTION FOR RESISTOR VALUES AND INSTALLATION DETAILS.
5 PROPERLY CERTIFIED HAZARDOUS LOCATION METALLIC CABLE GLANDS OR STOP PLUGS ARE
REQUIRED TO FILL ALL CONDUIT ENTRIES.
6 SHIELD MUST BE CONNECTED TO THE METALLIC CABLE GLAND. MAKE CERTAIN THAT THE INSULATION
IS REMOVED TO ENSURE ELECTRICAL CONNECTION BETWEEN THE SHIELD AND THE HOUSING.
FAULT
4
o
i
TEST
3
9
8
7
6
5
4
3
2
1
19
18
17
16
15
14
13
12
11
COM FIRE
2
COM FIRE
NO FIRE
2
NO FIRE
NC FIRE
2
NC FIRE
COM FAULT
1
COM FAULT
NO FAULT
1
N.O. FAULT
+Vin
–Vin
+Vin
–Vin
–Vin
29
28
27
26
25
24
23
22
21
SPARE
SPARE
RS485 A
RS485 B
MAN O
i
mA +
mA –
mA + REF mA – REF
COM AUX
NO AUX
NC AUX
FIRE
4