24 • vacon
Installation
Telephone: +358-201-2121 • Fax: +358-201-212 205
5
C
A
NK5_2
D
B
A
B
5.2
Cooling
Forced air flow cooling is used for frames MF4, MF5, MF6 and higher powers of MF3.
Enough free space shall be left above and below the frequency converter to ensure sufficient air
circulation and cooling. You will find the required dimensions for free space in the table below.
Type Dimensions
[mm]
A
B C D
NXL 0002-0006 2
10
10
100
50
NXL 0001-0005 5
10
10
100
50
NXL 0003-0012 5
20
20
100
50
NXL 0016-0032 5
20
20
120
60
NXL 0038-0061 5
30
20
160
80
Table 5-4. Mounting space dimensions
Figure 5-6. Installation space
Type Cooling
air
required
[m
3
/h)
NXL 0003—0012 5
70
NXL 0016—0031 5
190
NXL 0038—0061 5
425
Table 5-5. Required cooling air
A
= clearance around the freq. converter (see also B)
B
= distance from one frequency converter to another
or distance to cabinet wall
C
= free space above the frequency converter
D
= free space underneath the frequency converter
