Installation guide solar modules
V1 – April 2015
13 - 19
4.10
Ensure comprehensive fire protection:
The installation of on-roof systems may influence the fire safety of a building. Improperly installed systems
can present even more of a danger in the case of fire. Therefore, the modules of an on-roof system must
always be installed over a fire-resistant surface. As the module is not regarded as explosion-proof it must
not be installed near inflammable gases and vapors e.g. close to gas containers, painting installations or
gasoline stations. Furthermore, the module must not be installed next to open fire and flammable
materials.
5.
MECHANICAL INSTALLATION
Use always structures and materials specifically developed and certified for PV modules installation.
Avoid shading the back side of the module by the support rack
The minimum distance between two fixed modules for linear thermal expansion of the module frames
should be 5 mm. Nevertheless, the recommended distance between two modules is 20 mm to allow wind
circulation, in order to reduce pressure loads and improve module ventilation. The PV module should not
be mounted in such a way that the drain holes of the module can become blocked.
MegaCell PV modules are suitable for mechanical mounting both in portrait and landscape orientation. In
choosing the orientation, please keep in mind the internal PV module by-pass diode configuration to ensure
the optimum electrical behavior from any potential shading over the modules.
Galvanic corrosion can occur between the aluminum frame of the PV module and the mounting hardware if
such hardware is composed of dissimilar metals, especially in harsh environments such as high humidity. In
these cases, to prevent corrosion, neoprene tape, PVC washers or stainless steel washers should be placed
between the PV module frame and the support structure.
Additionally, all module support structures used to support PV modules at correct tilt angles should be
wind and snow load rated by appropriate local and civil Directives prior to installation.
NOTICE: Do not disassemble the PV module and do not remove, drill or modify the frame in any way, as this
will invalidate the warranty. Please contact the MegaCell Technical Service if module mounting procedure is
not clear.
5.1
Modules with frame
Installation using pressure clamps may be executed along both sides of the module frame according to
following instructions .
Summary of Contents for MBA-GG60 BiSoN Series
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