45Installation
EN
5. Installation
5.1 Installation safety instruction
WARNING – B The inverter panels/covers can be removed from authorized service personnel
only (the users are not authorized to remove inverter panels/covers).
WARNING – B When the photovoltaic panels are exposed to sunlight they provide continuous DC
voltage to the inverter. Before installation may begin, photovoltaic panels must be shaded or
isolated.
WARNING – B It is important to remark the presence of auxiliary power supply connected to the
AC grid. This inverter is supplied either by DC and AC power, so hazardous internal voltages are
present even in case the DC switches are open.
WARNING – B The installation must be carried out with the equipment disconnected from any
voltage sources. Refer to “Inverter total de-energization and safe access” paragraph on this
manual to know all the necessary step to safely operate on the inverter.
ATTENTION – A This device is intended to be installed in a suitable plant for its use and its
purpose. All the installation instruction described in this chapter must be followed considering
the plant structure where the device is intended to be installed. Its performance therefore
depends on the correctness of the installation.
ATTENTION – A It is mandatory to adhere to the indications provided in this manual, the diagrams
and the enclosed documentation, paying attention to follow the installation sequence exactly
as described in this manual.
ATTENTION – A Staff authorised to carry out the installation must be specialised and
experienced in this job. They must also have received suitable training on equipment of this
type. The installation must be performed by qualified installers and/or licensed electricians in
accordance with the existing regulations in the country of installation.
ATTENTION – A Handling and installation operations shall be performed only by using the
special tools and accessories provided with “PVS-175 Installation Kit” that have to be ordered
separately. The use of these equipment are mandatory to safely install the inverter. Refer to
“Kit of recommended spare parts” paragraph for further information.
ATTENTION – A The local electrical utility (or authority having jurisdiction) must approve the
equipment installation before it is connected to the electrical grid.
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