Cooling; Fr4 To Fr9 - Honeywell NX series User Manual

5.2

Cooling

Enough free space shall be left around the frequency converter to ensure sufficient air circulation, cooling
as well as maintenance. You will find the required dimensions for free space in the tables below.
If several units are mounted above each other the required free space equals C + D (see figure below).
Moreover, the outlet air used for cooling by the lower unit must be directed away from the air intake of the
upper unit.
The amount of cooling air required is indicated below. Also make sure that the temperature of the cooling
air does not exceed the maximum ambient temperature of the converter.
5.2.1

FR4 to FR9

Type
0004—0012 NXS2
0003—0012 NX_5
0017—0031 NXS2
0016—0031 NX_5
0048—0061 NXS2
0038—0061 NX_5
0004—0034 NX_6
0075—0114 NXS2
0072—0105 NX_5
0041—0052 NX_6
0140—0205 NXS2
0140—0205 NX_5
0062—0100 NX_6
0261—0300 NXS2
0261—0300 NX_5
0125—0208 NX_6
Table 5-10. Mounting space dimensions
A = clearance around the freq. converter (see also A
A = clearance needed on either side of the frequency converter
2
for fan change (without disconneting the motor cables)
** = min. clearance for fan change
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
INSTALLATION
Dimensions [mm]
A A B C
2
20 20 100
20 20 120
30 20 160
80 80 300
80 150 80 300
50 80 400
D
50
60
80
100
A
200
A
2
250
(350**)
and B)
2
Figure 5-11. Installation space
C
B
A
A
2
D
NK5_2
5
35(110)
B