Siliken Atakama ATK-P60, Instructions For Use Manual

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Mechanical assembly of the modules
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in which snow tends to accumulate or icicles and/or ice plugs could
obstruct water drainage and cause damage to the module.
In areas with heavy snowfall, adjust the height of the mounted structure
so that snow does not cover any active part of the front side or any back
parts, such as the connection box or cables, for a prolonged period of
time in winter.
The modules with frames are supplied with 4 holes on the aluminum
frame, at the distances and with the diameters that are specified in the
data sheets of the products. These holes are used to secure the module
to a structure which must have been designed by a qualified technician
to support the loads produced by wind and snow, as indicated in the
Directive of Construction (89/106/EEC) and the Directive 2002/91/EEC
Energy Efficiency Building.
The module must be mechanically fixed at least at these four points.
The module is certified when anchored with M8 bolts in 4 fixing holes
on the frame, with a minimum torque of 10 Nm (7.4 ft-lbf) and a maximum
of 15 Nm (11.1 ft-lbf).
Use tools for checking the torque.
It is recommended the use rubber joints (long-lasting synthetic rubber)