27
Errors and changes excepted. | © 2022 SOLARWATT GmbH
MAINTENANCE AND SERVICING
A photovoltaic system needs practically no maintenance, as the solar modules are cle-
aned by the rain at the recommended minimum angle of 15°. To avoid reductions in yield,
we do, however, recommend carrying out a regular visual check on the module surfaces.
Particularly heavy soiling (e.g., leaves) can cause shades which reduce performance and
should therefore be removed. Clean the glass surface with softened, low lime water, a
water-ethanol- or water-isopropanol intermixture and a soft nonabrasive cloth only. In
exceptional cases, a conventional cleaning agent may also be used in the recommended
dose. Do not use aggressive cleaning agents or metal objects, as they can be particularly
damaging to the hardened glass surface. The electric cables should (where accessible) be
checked regularly for damage, corrosion, and firm hold. Pay particular attention to DGUV
regulation 3 and DIN VDE 0105-100.
DISPOSAL
Dispose of defective or old solar modules properly; they should never be disposed of
with domestic waste. The national disposal directive must be observed. The disposal of
solar modules is regulated in the EU Waste Electrical and Electronic Equipment Directi-
ve (WEEE). Old solar modules can be mostly returned in usual commercial quantities to
nearby municipal collection sites and local civic waste collection points at no charge. The
WEEE Directive is nationally oriented, meaning that each EU Member State has its own
legal regulations and practical handling for the sale and return of PV modules.
Contact us by e-mail at info@solarwatt.com and specify the number and type of modules
to be returned. We will then coordinate all further details for returning your modules.
#04038 | Rev 2 | 20.06.2022
