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Dirt- or water-repellent coatings subsequently
applied to the modules can negatively affect
the efficiency of the aleo modules and therefo-
re the power output of the whole photovoltaic
system. We therefore advise against the use of
these agents.
RECOMMENDATION
For cleaning the glass module surfaces,
aleo solar recommends:
rainwater without additives with its
temperature matching the temperature
of the module
a soft sponge or a soft brush
If necessary, use a telescopic rod with a
sponge or soft brush attached on the end.
The rod can have a water pipe integrated.
For stubborn patches of dirt, use the following
to help:
Isopropanol: aleo solar recommends a
mixture of isopropanol and rainwater to the
ratio of 1:1
Glass cleaner: As an alternative, aleo
solar recommends clear, colourless glass
cleaner with no ethanol or denaturants
(e.g. Bitrex®).
Anti-reflex glass
aleo modules have an anti-reflex layer on the
glass surface to achieve a higher output. This
means that some marks (e.g. fingerprints) are
more visible than on normal glass. These marks
are mostly seen as shimmering patches.
These kinds of marks do not have any
measurable effect on the module output and
fade away after about 2 weeks of being exposed
to weather conditions, as sunlight and rain
break them down.
aleo solar GmbH | Marius-Eriksen-Straße 1 | 17291 Prenzlau | Germany | [email protected]
NOTE
Installation Manual GG Elegante Rel. 1.2, 06/2019, EN
Copyright © 2019 aleo solar GmbH
9.3.3 More frequent cleaning
RECOMMENDATION
In environments subject to heavy soiling, we
recommend making the intervals for
inspections and cleaning shorter than just
once a year.
aleo solar recommends contracting a
specialised company to clean your photovol-
taic generator properly without treading on
the modules, if frequent cleaning is necessary.

9.4 Repairs

9.4.1 Modules
A defective module can cause loss of output,
as well as consequential damage. If an aleo
module needs repairing, first get in touch with
aleo solar (see Ch. 2.2: „Contact").
Never, under any circumstances, repair an aleo
module yourself: only contract technicians who
have been authorized by aleo solar to avoid loss
of warranty.
Before you carry out any maintenance work on
aleo modules, deactivate the module string or
the whole generator if necessary. Observe the
warnings and notes in Ch. 6.2.2.
9.4.2 System parts
For repairing other system parts
(e.g. substructure, connection boxes), contract
authorized technicians to do the work or
contact aleo solar directly
(see Ch. 2.2: „Contact").