Aleo P23 Kurulum Kılavuzu - Sayfa 18
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11.4.1 Safety precautions
CAUTION!
Contact of live parts with water: Risk of electric shock!
Never use a high-pressure cleaner.
HINWEIS
You will also retain the manufacturer's warranty as a result of this
measure.
11.4.2 Glass surfaces
HINW
The glass surfaces of aleo modules have microscopic structures or
anti-reflex coatings. Ensure that these do not get damaged.
Do not use any cleaning agents which will polish or scratch the
surface.
Avoid the use of very hard water.
Also avoid the use of distilled or demineralised water if possi-
ble.
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Avoid the use of acids, bases or other aggressive cleaning
agents.
Dirt- or water-repellent coatings subsequently applied to the mod-
ules can negatively affect the efficiency of the aleo modules and
therefore 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
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.
Distilled or demineralised water is often used by cleaning services but can
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damage glass surfaces with frequent intensive use over long periods of
time. aleo solar therefore advises against the use of distilled or demineral-
ised water.
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Rainwater has a low level of water hardness. It is beneficial to use it
because a build-up of deposits is avoided.
This prevents mechanical tension in the glass and ensures the module a
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longer service life.
aleo solar GmbH | Marius-Eriksen-Straße 1 | 17291 Prenzlau | Germany |
with its temperature
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;
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 without 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. finger-
prints) 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 ex-
posed to weather conditions, as sunlight and rain break them
down.
11.4.3 Insulating back sheet
The insulating back sheet must not be cleaned. Nevertheless, if you
still need to perform work behind the modules (e.g. to remove
leaves):
Make sure you refer to chap. 6.2.1: „Electrical safety precau-
tions" and chap. 6.2.2: „Mechanical safety precautions".
Avoid damaging the insulating back sheet.
11.4.4 More frequent cleaning
RECOMMENDATION
In environments subject to heavy soiling, we recommend mak-
ing the intervals for inspections and cleaning shorter than just
once a year.
For example, this applies to environments with a high exposure
to dust, especially close to:
large livestock farms,
-
grain reloading stations,
-
green areas with heavy foliage, seeds or pollen or
-
factories with high levels of dust emission.
-
If frequent cleaning is necessary, aleo solar recommends contract-
ing a specialised company to clean your photovoltaic generator
properly without treading on the modules.
Distilled or Ethanol contains denaturants. Some denaturants can leave
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streaks behind or damage an anti-reflex layer.
Installation manual Ver. 4.8, 05/2021, en
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