Kidde VS Series User Manual

Appendix B: Worksheets
206 P/N 3102351-EN • REV 005 • ISS 28DEC18
Table 51: Longest allowable circuit path with 1 to 5 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
5172
1577
8217
2505
13069
3984
26 to 50
0
5172
1577
8217
2505
13069
3984
51 to 75
0
5172
1577
8217
2505
13069
3984
76 to 100
0
5172
1577
8217
2505
13069
3984
101 to 125
0
4980
1518
7912
2411
12583
3835
0
1 to 25
5172
1577
8217
2505
13069
3984
1 to 25
1 to 25
4861
1482
7722
2354
12281
3743
26 to 50
1 to 25
4345
1324
6903
2104
10979
3346
51 to 75
1 to 25
3843
1171
6105
1861
9710
2959
76 to 100
1 to 25
3359
1024
5337
1627
8488
2587
101 to 125
1 to 25
2895
882
4599
1402
7315
2230
0
26 to 50
3550
1082
5640
1719
8971
2734
1 to 25
26 to 50
3145
958
4996
1523
7945
2422
26 to 50
26 to 50
2742
836
4356
1328
6928
2112
51 to 75
26 to 50
2348
716
3730
1137
5932
1808
76 to 100
26 to 50
1963
598
3119
951
4961
1512
101 to 125
26 to 50
1589
484
2525
770
4016
1224
0
51 to 75
2334
712
3709
1130
5898
1798
1 to 25
51 to 75
1986
605
3156
962
5019
1530
26 to 50
51 to 75
1643
501
2610
795
4151
1265
51 to 75
51 to 75
1305
398
2073
632
3297
1005
76 to 100
51 to 75
973
296
1545
471
2458
749
101 to 125
51 to 75
647
197
1027
313
1634
498
0
76 to 100
1426
435
2265
691
3603
1098
1 to 25
76 to 100
1114
339
1769
539
2814
858
26 to 50
76 to 100
805
245
1279
390
2034
620
51 to 75
76 to 100
500
152
795
242
1264
385
76 to 100
76 to 100
199
61
317
97
504
154
101 to 125
76 to 100
0
0
0
0
0
0
0
101 to 115
971
296
1543
470
2454
748
1 to 25
101 to 115
674
206
1071
327
1704
519
26 to 50
101 to 115
380
116
604
184
961
293
51 to 75
101 to 115
89
27
142
43
226
69
76 to 100
101 to 115
0
0
0
0
0
0
101 to 125
101 to 115
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