Kidde VM-1 Technical Reference Manual

Appendix A: System calculations
174 P/N 3101890-EN • REV 006 • ISS 21JUN18
Table 69: Maximum branch length with 6 to 10 GSA-UMs/GSA-MABs configured for two-wire smokes
D
etector
addres
ses
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 5045 1538 8015 2443 12748 3886
26
–50 0 4494 1370 7139 2176 11355 3461
51
–75 0 3950 1204 6275 1913 9981 3042
76
–100 0 3414 1040 5423 1653 8625 2629
101
–125 0 2884 879 4581 1396 7286 2221
0
1–25 4106 1252 6523 1988 10375 3162
1
–25 1–25 3542 1080 5627 1715 8950 2728
26
–50 1–25 2985 910 4742 1445 7542 2299
51
–75 1–25 2435 742 3868 1179 6152 1875
76
–100 1–25 1891 576 3004 916 4778 1456
101
–125 1–25 1353 412 2150 655 3419 1042
0
26–50 2869 874 4557 1389 7248 2209
1
–25 26–50 2296 700 3648 1112 5802 1768
26
–50 26–50 1730 527 2749 838 4372 1332
51
–75 26–50 1170 357 1859 567 2957 901
76
–100 26–50 617 188 979 299 1558 475
101
–125 26–50 68 21 108 33 172 53
0
51–75 1796 547 2853 869 4537 1383
1
–25 51–75 1214 370 1929 588 3067 935
26
–50 51–75 638 195 1014 309 1613 492
51
–75 51–75 69 21 109 33 173 53
76
–100 51–75
101
–125 51–75
0
76–100 833 254 1323 403 2105 642
1
–25 76–100 242 74 385 117 613 187
26
–50 76–100
51
–75 76–100
76
–100 76–100
101
–125 76–100
0
101–125
1
–25 101–125
26
–50 101–125
51
–75 101–125
76
–100 101–125
101
–125 101–125

Kidde VM-1 Specifications

General

Brand	Kidde
Model	VM-1
Category	Fire Alarms
Language	English