Ingeteam INGECON SUN 1Play 2.8TL U M, Инструкция по установке и эксплуатации

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This protection does not detect residual currents produced upstream of the inverter. If, for other reasons, it is
necessary to install a residual current device upstream of the inverter, this must be assigned to trip at a residual
current of at least 30 mA.
5.5. Cable length
The inverter measures the voltage in its connection terminals. For this reason, the installer must use an AC cable
with a sufficiently low impedance so that increasing the voltage in the cable (between the distribution transformers
and the unit) does not cause the unit to be disconnected due to high voltage.
5.6. Photovoltaic panels
The photovoltaic panels of the installation must be Class A (IEC 61730).
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Preparation for installing the unit Ingeteam
ABE2013IQM01_ - Installation and Operation Manual