Installation Conditions
9
PV Module Monocrystalline Bi-Facial Module Installation Guide
Installation Conditions
Installation Site and Working Environment
Do not manually focus sunlight with mirrors or a magnifying glass onto modules.
SolarEdge modules must be installed on proper buildings or other appropriate locations such as the ground, a garage,
a building's external wall, roof, or PV tracking system but shall not be installed on any vehicle.
Do not install modules in places that are likely to be flooded.
SolarEdge suggests that modules be installed in working environments where the installation site is exposed to a
monthly average minimum and maximum temperature range of -20
℃
to 50
℃
. The extreme working environment
temperature range for modules is -40
℃
to 85
℃
.
Make sure that installed modules are not exposed to wind or snow pressure that exceeds the permissible maximum
load limit.
Modules shall be installed in places free from shade throughout the year. Make sure there are no obstacles that block
light within or near the installation sites.
Provide lightning protection for modules installed in places that experience frequent bursts of lightning and thunder.
Do not install modules in places near a possible source of flammable gases.
Modules cannot be used in environments that are exposed to excessive amounts of hail, snow, flue gas, air pollution,
and soot or in places close to sources of strong corrosive substances such as salt, salt mist, saline, active chemical
steam, acid rain, or other substances
that can corrode modules or affect a modules' safety or performance.
Please take protective measures to ensure the reliable and safe installation of modules in severe environments such as
heavy snow, cold and strong wind, or islands close to water and salt mist or deserts.
SolarEdge modules have passed the IEC61701 salt spray corrosion test, however, corrosion may still occur where the
module's frame is connected to the bracket or where the grounding is connected.
In case SolarEdge modules are installed within a distance of 50m –500m away from the seaside, stainless steel or
aluminum materials must be used to connect the PV modules, and the connection point should be protected using
anti-corrosion measures.
Selection of Tilt Angles
Figure 2: Module Tilt Angle
The tilt angle of modules: The angle included between the module surface and horizontal surface; the angle that the
module will obtain the maximum power output when directly facing sunlight.
Preferably, modules should be positioned with a south-facing aspect in the northern hemisphere and a north-facing aspect
in the southern hemisphere.
Please refer to standard module installation guidelines or suggestions from an experienced PV module installer, for the
specific installation angle.
SolarEdge recommends that the tilt angle of module installation be no less than 10°. This allows rainfall to easily wash
away any surface dust that accumulates on the module and reduces the required frequency of cleaning. It also helps to
prevent water from pooling on the glass which otherwise over extended periods can create watermarks on the glass which
may further affect module appearance and performance.
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