Fronius Primo GEN24 3.0, Operating Instructions Manual

Page: 68 / 192

Connecting solar module strings to the inverter
General com-
ments regarding
solar modules To enable suitable solar modules to be chosen and to use the inverter as effi-
ciently as possible, it is important to bear the following points in mind:
- If insolation is constant and the temperature is falling, the open circuit
voltage of the solar modules will increase. The open circuit voltage must not
exceed the maximum permissible system voltage. If the open circuit voltage
exceeds the specified values, the inverter will be destroyed and all warranty
claims will be forfeited.
- The temperature coefficients on the data sheet of the solar modules must be
observed.
- Exact values for sizing the solar modules can be obtained using suitable cal-
culation tools, such as the
Fronius Solar.creator .
IMPORTANT!
Before connecting up the solar modules, check that the voltage for the solar
modules specified by the manufacturer corresponds to the actual measured
voltage.
IMPORTANT!
The solar modules connected to the in-
verter must comply with the IEC
61730 Class A standard.
IMPORTANT!
Solar module strings must not be
earthed.
Safety
WARNING!
Incorrect operation or poorly executed work can cause serious injury or dam-
age.
Commissioning as well as maintenance and service work in the power module of
the inverter must only be carried out by service personnel trained by Fronius and
only within the scope of the respective technical regulations. Read the Installa-
tion and Operating Instructions before installing and commissioning the equip-
ment.
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