Operating Instructions ACU
6.5 Size 6: ACU 401 (37.0 to 65.0 kW) (air-cooled)
For mechanical installation of liquid-cooled size 6 frequency inverters see “Operating
Instructions Liquid Cooling Supplemental”.
The frequency inverter is mounted in a vertical position on the assembly panel by means of the
standard fittings. The following illustration shows the standard fitting.
fixing braket top
(fixing with screws ) M5x20
fixing braket bottom
(fixing with screws )M5x20
a
a1
a2
x
x 100 mm
b
b1
x
c
c1
For assembly the two fixing brackets are screwed to the heat sink of the frequency inverter and the
assembly panel.
The frequency inverters are provided with fixing brackets, which are fitted using four thread-cutting
screws. The dimensions of the device and the installation dimensions are those of the standard device
without optional components and are given in millimeters.
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