CLEANING
As the operator, you should regularly remove soiling from the modules. Please note the following (in
addition to the safety instructions):
•
Never stand on the module. Do not place any mechanical stress on the module.
•
Avoid cleaning with water when there is a threat of frost forming or when there are large
differences in temperature between the module, water and air.
•
We recommend decalcifying highly calcareous water used for cleaning prior to cleaning. This
prevents the water from staining the modules. Remove standing water from the modules.
•
Do not use any abrasive cleaning agents or surfactants. Do not scratch off dirt. Doing so can
damage the surface of the module and lead the module to break later on.
•
Never apply force when removing ice or snow (for example, with a broom). Remove dirt from
the top of the module in the following sequence:
•
Rinse off coarse soiling (dust, foliage etc.) from the modules with lukewarm water.
•
Moisten stubborn soiling and carefully remove it.
•
Use lukewarm water and a soft cloth/sponge. Isopropanol (IPA) can be used for spot cleaning. Please
observe the safety instructions on the IPA packaging. Do not allow any IPA to run into the module
edges.
•
Remove soiling (foliage, bird’s nests etc.) from the substructure
•
For ground-mounted systems, we recommend regularly mowing the grass to prevent the modules
from being partially shaded. When doing so, take care not to mow the cables or allow stones to fly
up and hit the modules.
MAINTENANCE
The solar power system should be annually inspected by a specialist installer to ensure that:
•
The substructure and all attachments are free from corrosion
•
All modules are intact
•
The modules are all securely attached
•
All electrical components are securely connected, clean and intact
•
The contact resistances of the grounding are correct
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