Wels, July 1st 2014
OVERSIZING FRONIUS SYMO 3.0-3 – 8.2-3
Fronius International GmbH
hereby confirms that the inverters
/ Fronius Symo 3.0-3-M up to Fronius Symo 8.2-3-M
/ Fronius Symo 3.0-3-S up to Fronius Symo 4.5-3-S
can be oversized 100% above the rated nameplate capacity without voiding the manufacturer’s warranty,
provided that
/ String configuration adheres to the voltage and current window guidelines published in the operation manual
/ The open circuit voltage of the PV generator does not exceed the maximum input voltage of the inverter under
any circumstances (temperature, irradiance)
/ The maximum DC array short circuit current must not exceed 1,5 times the maximum DC input current of the
inverter
Fronius International GmbH
Solar Energy
Froniusplatz 1
A-4600 Wels
Ing. Prok. Martin Hackl
Head of Division Solar Energy
02/2011
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