Sungrow SG4950HV-MV, System Manual

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12.3.3 Cleaning the Internal Dust
Use a vacuum cleaner instead of a broom to clean the dust inside the MV Station.
The vacuum cleaner can get power supply from the backup socket inside the
intelligent power distribution cabinet. For the marking of the backup socket,
refer to the circuit diagram inside the cabinet door of the intelligent power
distribution cabinet.
12.3.4 Cleaning the Foundation
The foundation is designed with maintenance entry. Enter the foundation to check the
cleanness periodically. Use a vacuum cleaner to clean the foundation if necessary.
12.3.5 Checking and Cleaning the Filter
12.3.5.1 Filter Screen at Air Inlet
B Brriie eff IIn nttrro od du uc cttiio on n
The air inlet is located at the top of the inverter. It is recommended to clean the air inlet
regularly, to avoid blocking.
P Prro oc ce ed du urre e
Unscrew the bolts fastening the top cover plate to remove the plate, the filter screen
and clean them with a vacuum.
F Fu urrtth he err P Prro oc ce essssiin ng g
After finishing cleaning, reassemble the filter screen and the cover plate.
12.3.5.2 Bottom Air Outlet
B Brriie eff IIn nttrro od du uc cttiio on n
The lower air outlet is located at the lower part of the inverter. It is recommended to
clean the filter screen of the air outlet regularly.
System Manual 12 Routine Maintenance