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For the proper maintenance and repair of your aleo

solar photovoltaic system, contact your aleo solar

dealer or get in touch with aleo solar directly (see Ch.

2.2: „Contact").

9 .2 Inspections

aleo solar recommends an inspection every year.The

inspection includes the following aspects.

9.2.1 Inspecting the generator

• strings: condition of the insulation and mounting

• condition of the junction box

• condition of the visible connectors

• condition of the mounting system

• dirt on modules: type and degree of dirt

• shade circumstances (e.g. from trees or neigh-

bouring houses)

9 .3 Cleaning

Depending on the ambient conditions, modules are

likely to get soiled more or less heavily over time. This

can cause reduced output.

Dirt could be:

• dust, pollen or seed

• leaves or twigs

• deposits from stable vapour

• moss, algae, fungi or bacteria growing on

• depo sits (in short: biofilms)

• salt (in coastal regions)

9.3.1 Safety precautions

Contact of live parts with water.

Risk of electric shock!

Never use a high pressure cleaner.

You will also retain the manufacturer's warranty as a

result of this measure.

aleo solar GmbH | Marius-Eriksen-Straße 1 | 17291 Prenzlau | Germany | [email protected]

9.3.2 Glass surfaces

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 demineralized water

if possible.

Avoid the use of acids, bases or other aggressive

cleaning agents.

Dirt- or water-repellent coatings subsequently applied

to the modules 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 with its temperature

• a soft sponge or a soft brush

• If necessary, use a telescopic rod with a sponge or

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 recom-

mends 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

Installation Manual GG Elegante Rel. 1.5, 01/2022, EN

matching the temperature of the module

soft brush attached on the end. The rod can have

a water pipe integrated.