Frequency of cleaning depends on dirt accumulation speed. In normal situations,
rainwater will clean the module surface and the cleaning frequency is reduced
therefore. It is suggested to use damp clean water sponge or soft cloth to wipe the
glass surface. Do not use acid and alkaline detergents to clean modules.
8.2 Module appearance inspection
Module glass cracks.
Corrosion at welding parts of the cell main grid: it is caused by moisture into the
module due to damage of surface packaging materials during installation or
transportation.
Check whether there is burning traces on the module back plate.
Check module appearance defects visually, especially:
1.
2.
3.
8.3 Inspection of connectors and cables
Check connector sealing and cable connection solidness.
Check whether sealant of the terminal box is cracking with gap.
It is suggested to carry out a preventive inspection once every 6 month:
1.
2.
The list of the modification
Date
Version
Contents
Remark
2021.1.30
1.0
1st edition
Updated
parameters table
Installation Manual PV Modules High Power Half Cut
18
