5 Mechanical Installation
The frequency inverters of degree of protection IP20 are designed, as a standard, for
installation in electrical cabinets.
• During installation, both the installation and the safety instructions as well as the
device specifications must be complied with.
WARNING
To avoid serious physical injuries or major material damage, only qualified persons
are allowed to work on the devices.
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 cir-
cuits and fire.
The frequency inverters comply with protection class IP20 only if the covers and ter-
minals are mounted properly.
Overhead Installation or installation in horizontal position is not permissible.
NOTE
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.
42 Operating Instructions ACU
06/13
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