7.2 Routine Maintenance
Inverters do not need any maintenance or correction in most condition, but
if the inverter often loses power due to overheating, this can be the
following reason:
The cooling fins on the rear of house are covered by dirt.
Clean the cooling fins with a soft dry cloth or brush if necessary.
Only trained and authorized professional personnel who are familiar with
the requirements of safety were allowed to perform servicing and
maintenance work.
Safety checks
Safety checks should be performed at least every 12 months by
manufacturer's qualified person who has adequate training, knowledge,
and practical experience to perform these tests. The data should be
recorded in an equipment log. If the device is not functioning properly or
fails any of test, the device has to be repaired. For safety check details,
refer to this manual, section 2 Safety instruction and EC
Directives.
Maintain periodically
Only qualified person may perform the following works.
During the process of using the inverter, the manage person shall examine
and maintain the machine regularly. The concrete operations are as
follows.
1) Check that if the cooling fins on the rear of house are covered by dirts,
and the machine should be cleaned and absorbed dust when necessary.
This work shall be check time to time.
2) Check that if the indicators of the inverter are in normal state, check if
the keys of the inverter are in normal state, check if the display of the
inverter is normal. This check should be performed at least every 6
months.
3) Check that if the input and output wires are damaged or aged. This
check should be performed at least every 6 months.
4) You should get the inverter panels cleaned and their security checked at
least every 6 months.
WARNING!
8 Decommissioning
8.1 Dismantling the Inverter
• Disconnect the inverter from DC Input and AC output。
• Wait for 5 minutes for de-energizing.
• Remove the inverter from the bracket.
• Remove the bracket if necessary.
Before dismantling the inverter, please be sure to disconnect the
DC switch, and then unplug the PV and AC cables, otherwise it will
lead to an electric shock hazard.
Do not touch any inner live parts until for at least 10 minutes after
disconnecting the inverter from the utility grid and the PV input.
8.2 Packaging
If possible, please pack the inverter with the original packaging.
If it is no longer available, you can also use an equivalent carton that meets the
following requirements.
• Suitable for loads more than 30 kg.
• With handle.
• Can be fully closed.
8.3 Storage and Transportation
Store the inverter in dry place where ambient temperatures are always
between -25 °C - +60 °C. Take care of the inverter during the storage and
transportation.
When the inverter or other related components need to be disposed. Have
it carried out according to local waste handling regulations. Please be sure
to deliver wasted inverters and packing materials to certain site, which can
assist relevant department to dispose and recycle.
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