Yingli Solar G/G Modules, Installation and User Manual
page 7
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Installation Manual_G/G_IEC_EN_20180715_V02
Never attempts to clean a PV module with broken glass or other signs of
exposed wiring, as this presents a shock hazard.
Clean the glass surface of the PV modules with a soft brush using soft, clean
water with a recommended pressure less than 690 kPa, which is typical of most
municipal water systems. Water with high mineral content may leave deposits
on the glass surface and is not recommended.
Yingli Solar PV modules may contain a hydrophilic anti-reflective coating on
the glass surface to enhance power output and reduce dirt and dust buildup. In
order to avoid module damage, do not clean PV modules with a power washer
or pressure washer. Do not use steam or corrosive chemicals to facilitate
the cleaning of modules. Do not use aggressive tools or abrasive materials
that could scratch or damage the glass surface. Failure to comply with these
requirements may adversely affect the PV module performance.
Yingli Solar PV modules are designed to withstand high snow loads. However, if
removing snow is desired to enhance production, use a brush to gently remove
snow. Do not try to remove frozen snow or ice from PVmodules.
D E CO M M I S S I O N I N G
The dismantling of PV systems must be performed with the same care and
safety precautions used during the initial installation. The PV system can
generate hazardous voltage even after the system has been disconnected.
Follow safety regulations for working with live electrical equipment.
