MOUNTING
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5
5.3
Fixing the unit to the floor or to the wall
Before starting the installation work make sure that the level of the floor is within acceptable limits.
The maximum deviation from the basic level can be no more than 5 mm over 3 m distance. The
maximum acceptable height difference between cabinet front and rear edges should be 2/
-0mm limit.
The cabinet should always be fixed to the floor or to the wall. Depending on installation conditions,
the cabinet sections can be fixed in different ways. There are holes in the front corners which can
be used for fixing. Additionally, the rails on the top of the cabinet have fixing lugs for fixing the
cabinet to the wall.
5.3.1
Fixing to the floor and to the wall
In installations where the cabinet is mounted against the wall, it is more convenient to fix the top of
the cabinet to the wall. Fix the cabinet in the two front corners to the floor with bolts. Fix the top part
to the wall with bolts. Note that the rails and the fixing lugs can be moved horizontally to make sure
the cabinet stands in a horizontal position. In converters consisting of more than one cabinet
section, fix all sections in the same way.
Figure 4. Fixing the cabinet to the floor and to the wall
Welding of the cabinet might risk sensitive components in the converter.
Ensure that no earthing currents can flow through any part of the converter.
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