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6 Electrical Connection
6.1 Safety Instructions
Prior to any electrical connections, keep in mind that the inverter has dual
power supplies. It is mandatory for the qualified personnel to wear personal
protective equipments (PPE) during the electrical work.
Danger to life due to a high voltage inside the inverter
The PV string will generate lethal high voltage when exposed to
sunlight.
Before starting electrical connections, disconnect the DC and AC
circuit breakers and prevent them from inadvertent reconnection.
Ensure that all cables are voltage free before performing cable
connection.
Any improper operations during cable connection can cause device
damage or personal injury.
Only qualified personnel can perform cable connection.
All cables must be undamaged, firmly attached, properly insulated and
adequately dimensioned.
Comply with the safety instructions related to the PV strings and the
regulations related to the utility grid.
All electrical connections must be in accordance with local and
national standards.
Only with the permission of the local utility grid company, the inverter
can be connected to the utility grid.
Before fastening the lid, be sure that:
Seal the unused terminals with waterproof plugs.
The rubber strip is fully filled with air.
