Trina Solar Solar Module DE20

This manual covers the requirements for the cleaning procedures of Trina Solar PV modules. Professional installers should read these guidelines carefully and strictly follow these instructions.

Failure to follow these instructions may result in death, injury, or property damage. Damages induced by inappropriate cleaning procedures will void Trina Solar warranty. The amount of electricity generated by a solar module is proportional to the amount of light captured.

A module with shaded cells generate less energy, and therefore, it is essential to keep PV modules clean. The dirt such as bird droppings, leaves, dust is usually need to be cleaned.

When cleaning the modules, make sure that the temperature difference between the water and the module is in the range of -5°C to10°C. Use a dry or wet, soft and clean cloth, sponge, or soft bristled brush to wipe the photovoltaic module.

Please make sure that the cleaning tools do not wear out glass, EPDM, silicon, aluminum alloys or steel. If there is greasy dirt or other substances which are difficult to clean, conventional household glass cleaning agents can be used. Pay attention not to use alkaline and strong acidic solvents, including hydrofluoric acid, alkali, acetone.

For modules that are installed horizontally (0° tilt angle), they should be cleaned more frequently, as they do not have "self-cleaning" function as those installed at 10° or larger tilt angles. The back surface of the monofacial module usually does not need to be cleaned.

When cleaning the back of the bifacial module, avoid any sharp objects that may cause damage or penetrate the base material. The other cleaning requirements are the same as the front-side. Cleaning activities create risk of damaging the modules and array components, as well as increasing the potential electric shock hazard.

Do not clean the modules during the hottest time of the day to avoid thermal stress on the modules.

Cracked or broken modules represent an electric shock hazard due to leakage currents, and the risk of shock is increased when modules are wet. Before cleaning, thoroughly inspect modules for cracks, damage, and loose connections. During the daylight, the voltage and current present in the array are sufficient to cause a fatal electric shock.

Warning: This maintenance check requires trained personnel with PPE!

Any visible damage on the modules?

If modules are damaged, replace with a new module of the same type.

All cables and connectors intact?

Warning: Do not touch live parts of the cable or connector.

Date of last preventive inspection

Recommendation: Perform preventive inspection every six months.

Vegetation cut regularly to avoid shading?