Kidde VS Series User Manual

Appendix B: Worksheets
208 P/N 3102351-EN • REV 005 • ISS 28DEC18
Table 53: Longest allowable circuit path with 11 to 15 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
1817
554
2887
880
4592
1400
26 to 50
0
1070
326
1699
518
2703
824
51 to 75
0
321
98
510
156
811
247
76 to 100
0
0
0
0
0
0
0
101 to 125
0
0
0
0
0
0
0
0
1 to 25
1490
454
2367
721
3764
1147
1 to 25
1 to 25
745
227
1184
361
1883
574
26 to 50
1 to 25
0
0
0
0
0
0
51 to 75
1 to 25
0
0
0
0
0
0
76 to 100
1 to 25
0
0
0
0
0
0
101 to 125
1 to 25
0
0
0
0
0
0
0
26 to 50
421
128
668
204
1063
324
1 to 25
26 to 50
0
0
0
0
0
0
26 to 50
26 to 50
0
0
0
0
0
0
51 to 75
26 to 50
0
0
0
0
0
0
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
0
0
0
0
0
0
1 to 25
51 to 75
0
0
0
0
0
0
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 95
0
0
0
0
0
0
1 to 25
76 to 95
0
0
0
0
0
0
26 to 50
76 to 95
0
0
0
0
0
0
51 to 75
76 to 95
0
0
0
0
0
0
76 to 100
76 to 95
0
0
0
0
0
0
101 to 125
76 to 95
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