Sungrow SG125HX, Руководство пользователя

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9.2.2 Routine Maintenance
IItte em m M Me etth ho od d P Pe erriio od d
System clean
Check the temperature and dust of
the inverter. Clean the inverter
enclosure if necessary.
Six months to a year
(depending on the dust
contents in air)
Electrical
connection
Check whether all cable are firmly
connected in place.
Check whether there is damage to
the cables, especially the surface in
contact with metal.
6 months after
commissioning and then
once or twice a year.
General status
of the system
•
Visual check for any damage or
deformation of the inverter.
•
Check any abnormal noise during
the operation.
•
Check each operation parameter.
•
Be sure that nothing covers the
heat sink of the inverter.
Every 6 months
9.2.3 Cleaning Air Inlet and Outlet
A significant amount of heat is generated when the inverter is working.
In order to maintain good ventilation, please check to make sure the air inlet and outlet
are not blocked.
Clean the air inlet and outlet with soft brush or vacuum cleaner if necessary.
9.2.4 Fan Maintenance
•
Stop the inverter and disconnect it from all power supplies before
maintenance.
•
Lethal voltage still exists in the inverter. Please wait for at least 5 minutes
and then perform maintenance work.
•
Only qualified electricians can maintain the fans.
Fans inside the inverter are used to cool the inverter during operation. If the fans do not
operate normally, the inverter may not be cooled down and inverter efficiency may
decrease. Therefore, it is necessary to clean dirty fans and replace the broken fans in a
timeiy manner.
The operation procedure is as follows:
step 1 Stop the inverter (see 8.1 Disconnecting the Inverter).
step 2 Loosen the screw on the sealing plate of the fan module.
9 Troubleshooting and Maintenance User Manual