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4 Installation
4.1 Mechanical installation
• These frequency inverters must only be used as built-in units.
• Install the inverter vertically with the terminal strips at the
bottom.
• Allow a free space of 100 mm at the top and bottom. For the
units 8612 ... 8615 this free space is also required at both
sides.
Ensure unimpeded ventilation of cooling air.
• If the cooling air contains pollutants (dust, flakes, grease,
aggressive gases), which may impair the inverter functions,
suitable preventive measures must be taken, e.g. separate air
duct, installation of a fiter, regular cleaning, etc.
• If the inverters are permanently subjected to vibration or
shaking, shock absorbers may be necessary.
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