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Operating Instructions ACU
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6
Mechanical installation
As a standard, the frequency inverters of ingress protection rating IP20 are designed for stationary
installation in electrical cabinets.
Apart from the air-cooled standard installation variant described in these Operating Instructions other
installation variants are available:
Feedthrough assembly for sizes 1 through 8, see "Installation Instructions – Feedthrough
Assembly"
ColdPlate for sizes 1 through 5, see "Installation Instructions – ColdPlate"
Liquid cooling for sizes 6 through 8, see “Operating Instructions Liquid Cooling Supplemental”
During installation, comply with the installation and the safety instructions and note the device
specifications.
WARNING
To avoid serious physical injuries or major material damage, only qualified persons are
allowed to work on the device.
WARNING
During assembly, make sure that no foreign particles (e.g. chips, dust, wires, screws,
tools) can get inside the frequency inverter. Otherwise there is the risk of short circuits
and fire.
The frequency inverter complies with IP20 ingress protection rating only if the covers,
components and terminals are mounted properly.
Overhead installation or installation in horizontal position is not permissible.
In devices with liquid cooling the coolant hoses must be connected after the mechanical
installation procedure. Comply with instructions in the "Operating Instructions Liquid
Cooling Supplemental" document.
6.1
Air circulation
NOTICE
Mount the devices with sufficient clearance to other components so that the cooling air
can circulate freely. Avoid soiling by grease and air pollution by dust, aggressive gases,
etc.
Fan inlet and outlet openings must not be covered.
6.2
Sizes 1 and 2: ACU 201 (up to 3.0 kW) and 401 (up to 4.0 KW)
The frequency inverter is mounted in a vertical position on the assembly panel by means of the
standard fittings. The following illustration shows the different mounting possibilities.
Summary of Contents for active cube 201
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