Kidde VM-1 Technical Reference Manual

Appendix A: System calculations
172 P/N 3101890-EN • REV 006 • ISS 21JUN18
Table 67: Maximum branch length with zero GSA-UMs/GSA-MABs configured for two-wire smokes
D
etector
addresses
Module
addresses
Maximum allowable wire distance using non-twisted, non-shielded wire pairs
18 AWG 16 AWG 14 AWG
ft m ft m ft m
1
–25 0 7437 2267 11815 3601 18792 5728
26
–50 0 7038 2145 11180 3408 17782 5420
51
–75 0 6638 2023 10545 3214 16772 5112
76
–100 0 6238 1901 9910 3021 15762 4804
101
–125 0 5839 1780 9275 2827 14752 4497
0
1–25 7267 2215 11544 3519 18361 5597
1
–25 1–25 6867 2093 10909 3325 17351 5289
26
–50 1–25 6467 1971 10275 3132 16342 4981
51
–75 1–25 6068 1849 9640 2938 15332 4673
76
–100 1–25 5668 1728 9005 2745 14322 4365
101
–125 1–25 5268 1606 8370 2551 13312 4057
0
26–50 6697 2041 10639 3243 16921 5157
1
–25 26–50 6297 1919 10004 3049 15911 4850
26
–50 26–50 5897 1798 9369 2856 14901 4542
51
–75 26–50 5498 1676 8734 2662 13891 4234
76
–100 26–50 5098 1554 8099 2469 12881 3926
101
–125 26–50 4698 1432 7464 2275 11871 3618
0
51–75 5906 1800 9383 2860 14923 4549
1
–25 51–75 5250 1600 8340 2542 13265 4043
26
–50 51–75 4633 1412 7360 2243 11707 3568
51
–75 51–75 4051 1235 6435 1961 10235 3120
76
–100 51–75 3498 1066 5558 1694 8839 2694
101
–125 51–75 2973 906 4723 1440 7512 2290
0
76–100 3931 1198 6245 1903 9932 3027
1
–25 76–100 3404 1037 5407 1648 8601 2621
26
–50 76–100 2899 883 4605 1404 7324 2232
51
–75 76–100 2413 735 3833 1168 6096 1858
76
–100 76–100 1945 593 3089 942 4913 1498
101
–125 76–100 1493 455 2371 723 3771 1149
0
101–125 2631 802 4180 1274 6649 2027
1
–25 101–125 2165 660 3439 1048 5470 1667
26
–50 101–125 1713 522 2721 829 4328 1319
51
–75 101–125 1274 388 2023 617 3218 981
76
–100 101–125 847 258 1345 410 2140 652
101
–125 101–125 431 131 685 209 1089 332

Kidde VM-1 Specifications

General

Brand	Kidde
Model	VM-1
Category	Fire Alarms
Language	English