Three-phase photovoltaic grid-connected inverter
Running
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5.4.2 Maintenance guidance
The operation steps of the BG40-70KTR and BG70KTR-HV are as follows:
Clean the inverter
The cleaning steps are listed below:
(1) Disconnect the connection on input and output side;
(2) Wait for ten minutes;
(3) Clean the surface and air inlet/outlet of the inverter with soft brush or vacuum cleaner;
(4) Repeat the operations in section 5.1;
(5) Restart the inverter.
Clean the fan
The cleaning steps are listed below:
(1) Disconnect the connection on input and output side;
(2) Wait for ten minutes;
(3) Disassemble the inverter in the same process with theinstallation procedures in section 4,
but in reverse order;
(4) Remove the screws and covers of cooling bin or fan box as shown below:
Fig 5.1 Disassemble the cooling bin
Fig 5.2 Disassemble the fan box
(5) Clean the inverter cooling bin and fan with soft brush or vacuum cleaner.
