Three-phase photovoltaic grid-connected inverter Safety precautions
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1.2.3 Maintenance and inspection
The maintenance, inspection and repair of the inverter must be done by well
trained and qualified professional technicians.
Contact distributors and manufactures for repair of the inverter.
In order to avoid irrelevant personnel from entering the maintenance area during
maintenance, temporary warning labels must be placed to warn
non-professionals to enter or use fence for isolation.
Before carrying out any maintenance operations, users must disconnect the
breaker on grid side, then disconnect the breaker connected to the PV
component and wait for at least 5 minutes until the internal parts of the inverter
are fully discharged.
The internal of the inverter are mostly electrostatic-sensitive circuits and parts,
users must follow electrostatic protection protocols and take anti-electrostatic
measures.
Do not use components provided by other companies when repairing the inverter.
The inverter can be started again for grid-connected power generation only after
confirming there is no fault that may impact the safety performance of the inverter.
Do not get close to or touch the grid or any metal conductive parts in the PV
power generation system during operation, otherwise electric shock or fire may
occur. Take note of any safety marks and instructions similar to “Danger, electric
shock risk”.
1.2.4 Waste disposal
Do not dispose of the inverter together with household waste. The user has the
responsibility and obligation to send it to the designated organization for recycling
and disposal.
