Kidde VS Series User Manual

Appendix B: Worksheets
P/N 3102351-EN • REV 005 • ISS 28DEC18 207
Table 52: Longest allowable circuit path with 6 to 10 UM or MABs configured for two-wire smoke
detectors
Number of
detectors
Number of
modules (1
or 2
channel)
Maximum allowable wire distance using nontwisted, nonshielded and
twisted, nonshielded wire pairs (evenly distributed)
18 AWG
16 AWG
14 AWG
ft.
m
ft.
m
ft.
m
1 to 25
0
3543
1080
5629
1716
8952
2729
26 to 50
0
2818
859
4476
1364
7120
2170
51 to 75
0
2092
638
3323
1013
5285
1611
76 to 100
0
1365
416
2169
661
3450
1051
101 to 125
0
639
195
1015
309
1614
492
0
1 to 25
2895
882
4599
1402
7314
2229
1 to 25
1 to 25
2503
763
3976
1212
6324
1927
26 to 50
1 to 25
1778
542
2825
861
4493
1369
51 to 75
1 to 25
1053
321
1672
510
2660
811
76 to 100
1 to 25
327
100
519
158
825
252
101 to 125
1 to 25
0
0
0
0
0
0
0
26 to 50
1910
582
3035
925
4827
1471
1 to 25
26 to 50
1465
446
2327
709
3700
1128
26 to 50
26 to 50
740
225
1175
358
1869
570
51 to 75
26 to 50
14
4
23
7
36
11
76 to 100
26 to 50
0
0
0
0
0
0
101 to 125
26 to 50
0
0
0
0
0
0
0
51 to 75
1114
340
1770
539
2814
858
1 to 25
51 to 75
427
130
678
207
1079
329
26 to 50
51 to 75
0
0
0
0
0
0
51 to 75
51 to 75
0
0
0
0
0
0
76 to 100
51 to 75
0
0
0
0
0
0
101 to 125
51 to 75
0
0
0
0
0
0
0
76 to 100
114
35
182
55
289
88
1 to 25
76 to 100
0
0
0
0
0
0
26 to 50
76 to 100
0
0
0
0
0
0
51 to 75
76 to 100
0
0
0
0
0
0
76 to 100
76 to 100
0
0
0
0
0
0
101 to 125
76 to 100
0
0
0
0
0
0
0
101 to 125
0
0
0
0
0
0
1 to 25
101 to 125
0
0
0
0
0
0
26 to 50
101 to 125
0
0
0
0
0
0
51 to 75
101 to 125
0
0
0
0
0
0
76 to 100
101 to 125
0
0
0
0
0
0
101 to 125
101 to 125
0
0
0
0
0
0

Kidde VS Series Specifications

General

Power Source	120V AC
Battery Backup	9V battery
Sensor Type	Photoelectric
Alarm Sound Level	85 dB at 10 feet
Hush Feature	Yes
Test Button	Yes
LED Indicator	Yes
Mounting Type	Wall or ceiling
Compliance	UL 217