Connecting solar module strings to the inverter
General informa-
tion about PV
modules
To enable suitable PV modules to be chosen and to use the inverter as efficiently
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 PV modules will increase. The open-circuit voltage must not
exceed the max. permissible system voltage. An open-circuit voltage above
the indicated values will damage the inverter, and all warranty rights will be-
come null and void.
-
The temperature coefficients on the data sheet of the PV modules must be
observed.
-
Exact values for sizing the PV modules can be obtained using suitable calcu-
lation tools, such as the Fronius Solar.creator.
IMPORTANT!
Before connecting up the PV modules, check that the voltage for the PV mod-
ules specified by the manufacturer corresponds to the actual measured voltage.
IMPORTANT!
Solar module strings must not be
grounded.
Safety
WARNING!
Danger from incorrect operation and work that is not carried out properly.
This can result in severe personal injury and damage to property.
▶
The commissioning, maintenance, and service work in the inverter's power
stage set may only be carried out by Fronius-trained service personnel in ac-
cordance with the technical specifications.
▶
Read the Installation Instructions and Operating Instructions before in-
stalling and commissioning the equipment.
53
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