Pelco Manual C1472M-C (10/05) 3
Enclosure Power
If the enclosure does not have a heater (model HS4514), proceed to the
Camera Mounting
section.
If your enclosure has a heater (models HS4514-1/-2/-3), follow the steps below.
1. Add the camera’s wattage to the wattage of the heater. Refer to the
Specifications
section,
for the heater wattage.
2. Determine the size of wire to use. If you are using 24 VAC, refer to Table A.
3. Bring wires for AC high, AC neutral, and ground into the enclosure. Refer to Figure 1,
HS4514 Series Input Wiring Diagram, and Figure 2, Circuit Board Component Locations,
and connect the wiring as follows:
a. Connect AC high to AC HI of the 3-connector terminal block.
b. Connect AC neutral to AC NT of the 3-connector terminal block.
c. Connect ground to GND of the 3-connector terminal block.
Proceed to the
Camera Mounting
section.
Wire Gauge
Maximum distance from transformer to load
Table A. 24 VAC Wiring Distances
The following are the recommended maximum distances for 24 VAC applications and are
calculated with a 10-percent voltage drop. (Ten percent is generally the maximum allowable
voltage drop for AC-powered devices.)
20 18 16 14 12 10
10 283 451 716 1142 1811 2880
(86) (137) (218) (348) (551) (877)
20 141 225 358 571 905 1440
(42) (68) (109) (174) (275) (438)
30 94 150 238 380 603 960
(28) (45) (72) (115) (183) (292)
40 70 112 179 285 452 720
(21) (34) (54) (86) (137) (219)
50 56 90 143 228 362 576
(17) (27) (43) (69) (110) (175)
60 47 75 119 190 301 480
(14) (22) (36) (57) (91) (146)
70 40 64 102 163 258 411
(12) (19) (31) (49) (78) (125)
80 35 56 89 142 226 360
(10) (17) (27) (43) (68) (109)
90 31 50 79 126 201 320
(9) (15) (24) (38) (61) (97)
100 28 45 71 114 181 288
(8) (13) (21) (34) (55) (87)
110 25 41 65 103 164 261
(7) (12) (19) (31) (49) (79)
120 23 37 59 95 150 240
(7) (11) (17) (28) (45) (73)
Total vA consumed
EXAMPLE:
An enclosure that
requires 80 vA and is installed
35 feet (10 m) from the trans-
former would require a minimum
wire gauge of 20 AWG.
NOTE:
Distances are calculated
in feet; values in parentheses
are meters.
