T Series User Manual www.fox-ess.com P a g e | 3
shall comply with local wiring rules and regulations.
▪ Before installation, check the unit to ensure it is free of any transport or handling damage, which could
affect insulation integrity or safety clearances. Choose the installation location carefully and adhere to
specified cooling requirements. Unauthorized removal of necessary protections, improper use, incorrect
installation and operation may lead to serious safety and shock hazards or equipment damage.
▪ Before connecting the inverter to the power distribution grid, contact the local power distribution grid
company to get appropriate approvals. This connection must be made only by qualified technical
personnel.
▪ Do not install the equipment in adverse environmental conditions such as in close proximity to
flammable or explosive substances; in a corrosive environment; where there is exposure to extreme high
or low temperatures; or where humidity is high.
▪ Do not use the equipment when the safety devices do not work or are disabled.
▪ Use personal protective equipment, including gloves and eye protection during the installation.
▪ Inform the manufacturer about non-standard installation conditions.
▪ Do not use the equipment if any operating anomalies are found. Avoid temporary repairs.
▪ All repairs should be carried out using only approved spare parts, which must be installed in accordance
with their intended use and by a licensed contractor or authorized Fox-ESS service representative.
▪ Liabilities arising from commercial components are delegated to their respective manufacturers.
▪ Any time the inverter has been disconnected from the public network, please be extremely cautious as
some components can retain charge sufficient to create a shock hazard. Prior to touching any part of the
inverter please ensure surfaces and equipment are under touch safe temperatures and voltage
potentials before proceeding.
2.2 PE Connection and Leakage Current
- The end-use application shall monitor the protective conductor by residual current operated protective
device (RCD) with rated fault current Ifn≤280mA which will automatically disconnect from the grid in case
of a fault.
- DC differential currents are created (caused by insulation resistance and through capacities of the PV
generator). In order to prevent unwanted triggering during operation, the rated residual current of the
RCD has to be min 240mA. The device is intended to connect to a PV generator with a capacitance limit
of approx. 7500nf.
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