2
Safety
2.1
Transformerless central inverter
Responsibilities of the operator
The operator must ensure that:
applicable industrial safety regulations, professional association
|
regulations and codes of engineering practice are complied with;
the specified photovoltaic system safety equipment is fully functional;
|
a second person is present during all work on the electrical system. In
|
the event of an unforeseen electrical accident, that person must be
able to switch off the power supply and provide assistance;
access to the electrical operating area is only granted to persons
|
authorised by the operator;
any work involving the Transport, assembly, installation,
|
commissioning and initial maintenance of the device is carried out only
by an authorised specialist;
persons commissioned to perform the work are able to evaluate their
|
assigned tasks and recognise possible risks;
in accordance with its weight, the device is only transported or lifted
|
using an industrial truck or crane;
only qualified crane operators are allowed to lift the device by crane;
|
only qualified drivers are allowed to transport the device on an
|
industrial truck;
the device is only stored and operated in enclosed spaces;
|
any routes along which the device will be transported are able to bear
|
the weight of the device and of the industrial truck or crane;
warning instructions on the device which have become illegible are
|
replaced as soon as possible;
the device is installed and operated in an enclosed electrical operating
|
area, labelled with the appropriate warning and safety symbols;
the device is not stored or operated in the vicinity of combustible,
|
explosive, aggressive, caustic or corrosive substances or gases;
an emergency plan is agreed with the local fire brigade;
|
safety and site information as well as the emergency plan are available
|
in the operating area;
an adequate residual current protection system (e.g. an RCD), which is
|
suited to the location, is in place and is used;
an adequate surge voltage and lightning protection plan, which is
|
suited to the location, is in place and is used;
an external DC disconnection device is connected upstream. The DC
|
disconnection device must be accessible and easy to reach at any
time, without aids. The circuit breakers installed in the device do not
meet the requirements of a disconnection device;
Operating manual
2 Safety
7