VAPORSTREAM VLC Installation Instructions And Maintenance Operations Manual page 14

Figure 14-1: Shielded Cable Drain Wire Connection to Earth Bar
To Control Board
Shield Ground
For maximum E.M.C. effectiveness, all humidity, temperature and air flow controls should be wired using multi-
conductor shielded plenum-rated cable with a drain wire for the shield. The drain wire should be connected to the
shield ground terminal with its length kept to less than 50 mm.
Table 14-1: Conduit and Wire Size
Incoming Wire Size
**Amp Draw
AWG
0-12.5 14
12.6-16.7 12
16.8-25.0 10
25.1-41.7 8
41.8-54.2 6
54.3-70.8 4
70.9-95.8 2
95.9-108.3 1
108.4-145.8 2/0
Table 14-2: Conduit and Wire Size
Incoming Wire Size
**Amp Draw
AWG
0-10.0 14
10.1-13.3 12
13.4-20.0 10
20.1-33.3 8
33.4-43.3 6
43.4-56.7 4
56.8-76.7 2
76.8-86.7 1
86.8-116.7 2/0
* For use with star wiring for 240V heaters used with 415V power supply.
** Refer to Amp Draw on Rating Plate.
14
INSTALLATION REQUIREMENTS
Sensor Wires
Drain Wire (less than 50 mm)
Conduit Size (Ø mm)
2 Conductor
and Ground
KcMIL (mm2)
2.5 20
4.0 25
6.0 25
10.0 32
16.0 32
25.0 40
35.0 50
50.0 50
70.0 63
Conduit Size (Ø mm)
4 Conductor and
Ground*
KcMIL (mm2)
2.5 32
4.0 32
6.0 32
10.0 40
16.00 40
25.0 50
35.0 63
50.0 63
70.0
3 Conductor Table 14-3: Fuse/Breaker
and Ground
Requirements
25
**Amp Draw
32
32
8.8-13.0
32
13.1-17.4
40
17.5-19.2
50
19.3-21.7
50
21.8-26.1
63
26.2-29.1
63
29.2-30.4
30.5-34.7
34.8-39.1
39.2-43.5
43.6-52.2
52.3-60.9
61.0-69.6
69.7-78.3
78.4-87.0
87.1-95.7
95.8-104.4
104.5-113.1
113.2-121.8
121.9-130.5
To Sensor
Fuse Size (A)
0-8.7 10
15
20
25
25
30
35
35
40
45
50
60
70
80
90
100
110
120
130
140
150