26 • vacon
MOUNTING
5.6 Cooling
5.6.1
Free space around the cabinet
Enough space must be left above and in front of the cabinet to ensure sufficient cooling and space
for maintenance.
The amount of cooling air required is indicated in the table below. Also make sure that the tempera-
ture of the cooling air does not exceed the maximum ambient temperature of the converter.
Figure 5-7. Space to be left free above (left) and in front of (right) the cabinet
Type
Cooling air required [m
3
/h)
0261—0300 5
0125—0208 6
1000
0385—0520 5
0261—0416 6
2000
0650—0730 5
0460—0590 6
3000
0820—1030 5
0650—0820 6
4000
1300—1450 5 (6-p)
1300—1450 6 (12-p)
6000
7000
1150 5
0920—1180 6
5000
1500 6 (6-p)
9000
1770—2150 5
1900—2250 6
10000
Table 5-4. Required cooling air for NXC 6- and 12-pulse drives
200 mm
800 mm
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