n
If the maximum AC operating voltage is higher than the max-
imum system voltage of the photovoltaic generator, then PV
generators must be used that have a maximum system voltage
that is higher than the AC grid voltage.
n
The battery connection contacts are intended for an optional
energy storage system. This consists of an additional control
component and an external energy storage unit. The battery
connection must not be directly connected to a battery under
any circumstances.
Notice
An overview of suitable PV generators is avail-
able at www.stecasolar.com
Þ
PV GRID CON-
NECTED
Þ
Service and support.
2.5 About this manual
2.5.1 Contents
This manual describes the inverters of the types coolcept
3
and
coolcept
3
-x. The points at which the types differ are marked in the
text.
This manual contains all information that a specialist needs to set up
and operate the inverters. Follow the instructions of the respective
manufacturers when installing other components (e.g. PV genera-
tors, cables or external energy storage units).
2.5.2 Target group
Unless otherwise indicated, the target audiences of this manual are
technical professionals and system operators. Technical professionals
are, for example:
n
Persons who have the knowledge of terminology and the skills
necessary for setting up and operating photovoltaic systems.
n
Persons who have the necessary training, knowledge and experi-
ence, and knowledge of the applicable regulations in order to
evaluate and recognise the dangers inherent in the following
work:
–
Installation of electrical equipment
–
Production and connection of data communication cables
–
Production and connection of mains grid power supply
cables
EN
750.661 | Z03 | 2016-09-12
8
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