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7.8 WIRING TABLES & INFORMATION
Fig.20:
WIRING TABLE FOR INITIATING CIRCUITS
WIRE GAUGE
MAXIMUM WIRING RUN TO LAST DEVICE (ELR)
(AW G)
ft
m
22
2990
910
20
4760
1450
18
7560
2300
16
12000
3600
14
19000
5800
12
30400
9200
NOTE : MAXIMUM LOOP RESISTANCE SHOULD NOT EXCEED 100 OHMS
Fig.21:
WIRING TABLE FOR INDICATING CIRCUITS
(M ain Board Indicating Circuits are rated for 1.7 Amperes each, HSGM -1004A Indicating Circuits are rated for
1.7 A m pere s ea ch.)
TO TAL
SIG NAL LO AD
MAXIMUM WIRING RUN TO LAST DEVICE (ELR)
MAX. LOOP
RESISTANCE
18AW G
16AW G
14AW G
12AW G
Am peres
ft
m
ft
m
ft
m
ft
m
O hm s
0.06
2350
716
3750
1143
6000
1829
8500
2591
30
0.12
1180
360
1850
567
3000
915
4250
1296
15
0.30
470
143
750
229
1200
366
1900
579
6
0.60
235
71
375
114
600
183
850
259
3
0.90
156
47
250
76
400
122
570
174
2
1.20
118
36
185
56
300
91
425
129
1.5
1.50
94
29
150
46
240
73
343
105
1.2
1.70
78
24
125
38
200
61
285
87
1.0
NOTE : MAXIMUM VOLTAGE DROP SHOULD NOT EXCEED 1.8 VOLTS
AUXILIARY POWER WIRING:
Use the W iring Table for Indicating Circuits, and see the wiring information for the
Rem ote Annunciator being used.
RS-485 WIRING:
See the wiring information for the Rem ote Annunciator being used.
4-WIRE SMOKE WIRING:
The m ax im um allowa ble current is 0.2 Amperes. The maxim um allowed Voltage Drop
is 1 Volt. Refer to the Indicating Circuit W iring Table above.
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