Sungrow SG4950HV-MV, System Manual

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P Prro oc ce ed du urre e
Unscrew the bolts at the bottom of the inverter, to remove the bottom plate. Remove the
filter screen, clean them, and reassemble them when they are dry. Replace the filter
screen if there is any damage.
F Fu urrtth he err P Prro oc ce essssiin ng g
After cleaning and replacement, reinstall the bottom plate and secure it with bolts.
12.3.6 Cleaning the Surface of the MV Station
If there is corrosion on the surface of the MV Station, clean it with abrasive paper or
brush.
If the dust deposition is serious on the surface of the MV Station, use mop or big rag to
clean the surface of the MV Station. It is recommended to clean the top before cleaning
the side. Alternatively, clean it with or without water.
12.3.7 Checking the Lock and Hinge
Check the functionality and state of the lock and hinge of the MV Station after the
cleaning work. Lubricate the lock and hinge if necessary.
12.3.8 Checking the Sealing Strip
The sealing strip is used to prevent the water penetrating insider the MV Station. Check
it carefully for damage. Replace the faulty lighting devices in time.
12.4 Painting Make-up Measures
Check for the damages of the MV Station appearance:
S Siittu ua attiio on n 1 1: smudginess on the surface caused by water and dust that can be cleaned
S Siittu ua attiio on n 2 2: smudginess on the surface & damage to the finishing coat that cannot
be cleaned
S Siittu ua attiio on n 3 3: the undercoat is damaged and the primer is revealed
M Ma aiin ntte en na an nc ce e a an nd d O Op pe erra attiio on n S Stte ep pss ffo orr S Siittu ua attiio on n 1 1::
Materials:
•
Cleaning cloth
12 Routine Maintenance System Manual