Sungrow ST2752UX, Инструкция по эксплуатации и обслуживанию

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9
Item Check method
Internal
components
inspection
• Check the cleanness of the circuit board and other elements and
components.
• Check the temperature of the radiator and the amount of dust
accumulated. Clean heat-dissipation modules with a vacuum
cleaner if necessary.
• Replace the air filter screen when necessary.
Note! It is necessary to check ventilation of the air inlet.
Otherwise, fault may occur due to overheating if the module
cannot be cooled effectively.
Device
maintenance
• Carry out regular inspection for corrosion of all metal components
(once per half a year).
• Check the contactors (auxiliary switches and micro-switches)
annually to ensure the good mechanical operation.
• Check the running parameters (especially voltage and insulation).
3.3 Maintenance of Liquid Cooling System
The following provides the recommended maintenance periods. The actual maintenance
period shall be adjusted reasonably in consideration of the specific installation environment
of the product.
Factors like the power plant scale, the location, and the site environment can affect the
maintenance period of the product. It is necessary to shorten the maintenance period and
increase the maintenance frequency in the event of heavy sandstorm or dust in the
operation environment.
Operation & Maintenance Instruction 3 Routine Maintenance