Vacon 10 Complete User's Manual
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11 • vacon installationTel. +358 (0)201 2121 • Fax +358 (0)201 21220533.1.2 CoolingForced air flow cooling is used in all Vacon 10 drives.Enough free space shall be left above and below the frequency converter to ensuresufficient air circulation and cooling. You will find the required dimensions for freespace in the table below:3.1.3 EMC levelsVacon 10 frequency converters are divided into five classes according to the level ofelectromagnetic disturbances emitted, the requirements of a power system networkand the installation environment (see below). The EMC class of each product is de-fined in the type designation code.Category C1 (Vacon EMC class C): Frequency converters of this class comply withthe requirements of category C1 of the product standard EN 61800-3 (2004). Catego-ry C1 ensures the best EMC characteristics and it includes converters the rated volt-age of which is less than 1000V and which are intended for use in the 1stenvironment. NOTE: The requirements of class C are fulfilled only as far as the con-ducted emissions are concerned.Category C2 (Vacon EMC class H): Frequency converters of this class comply withthe requirements of category C2 of the product standard EN 61800-3 (2004). Catego-ry C2 includes converters in fixed installations and the rated voltage of which is lessthan 1000V. The class H frequency converters can be used both in the 1st and the 2ndenvironment.Category C3 (Vacon EMC class L): Frequency converters of this class comply withthe requirements of category C3 of the product standard EN 61800-3 (2004). Catego-ry C3 includes converters the rated voltage of which is less than 1000V and which areintended for use in the second environment only.Type Dimensions (mm)A BMI1 100 50MI2 100 50MI3 100 50Table 3.2: Dimensions required for coolingType Cooling air required (m 3 /h)MI1 10MI2 10MI3 30Table 3.3: Required cooling airABmk6.fh11 |
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