5. Cleaning the surface of the modules
The greater the degree of contamination of the surface of the PV system, the less the cells are able to absorb
the energy contained in the incident sunlight.
By tilting the panels slightly in relation to the horizontal, rain and snow can clean the surface, and thus tempora-
rily protect them from additional contamination. However, after a while, dust, leaves or bird droppings will dirty
the glass on the front panel and thereby reduce the output power.
In case of persistent soiling, the panels should be washed with cold water and a soft sponge.
CAUTION
Never use solvents or a pressure washer, and never scrape the panel surface. Cleaning oper-
ations must be carried out by qualified professionals.
DANGER
Work at height: Refer to the recommendation published by the national risk prevention body.
Installation, use, maintenance manual DualSun FLASH
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