COP Security 15-CD53 Manual do Utilizador Página 6

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Relation Table of 24VAC Cable Diameter and Transmission distance
When the cable diameters equal, and voltage wastage rate of 24VAC is under 10%, the maximum transmission distance
is recommended. (As to AC equipments, the maximum allowed voltage wastage rate is 10%) For example: An equipment
with rating power of 80VA and installed at 10 meters away from transformer demands the maximum cable diameter of
0.8mm (square meter).
Cable Diameter (mm) Square Meter
Feet(m) 0.8000 1.000 1.250 2.000
10 28386 451137 716218 1811511
20 14142 22568 358109 905275
30 9428 15045 238109 905275
40 7021 11234 17954 452137
50 5617 9027 14343 362110
60 4714 7522 11936 30191
70 4012 6419 10231 25878
80 3510 5617 8927 22668
90 319 5015 7924 20161
100 288 4513 7121 18155
110 257 4112 6519 16449
120 237 3711 5917 15045
130 216 3410 5516 13942
140 206 329 5115 12939
150 185 309 4714 12036
160 175 288 4413 11334
170 164 267 4212 10632
180 154 257 3911 10030
190 144 237 3711 9528
200 144 226 3510 9027
When the temperature reached 40 degrees, the fan started to work; until the temperature dropped to 25 degrees,
the fan stop working.
When the temperature is as low as 4 degrees, the heater work; until the temperature raised to 10 degrees, the in
heat stop working.
The temperature difference is under 2 degrees
Lightning proof equipment must be installed when the speed
dome camera is installed in open area.
Make sure the input voltage and normal rated power before
powered up.
Warnin
g
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