Esd Protection; Lcd Parameter Setting; Sand And Moisture Protection; Symbols On The Device Body - Sungrow SG4950HV-MV System Manual

2 Safety Instructions
E E l l e e c c t t r r i i c c A A r r c c R R i i s s k k o o n n t t h h e e M M V V S S i i d d e e
Electric arcs can be caused by fault in the switchgear during operation. This
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electric arc may cause personal injury
If arc faults occur in the switchgear, the (SF6) gas evacuates under the
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compartment of the switchgear.
Only perform operation on the switchgear when it is voltage-free.
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Keep a safe distance from the switchgear when performing switching
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operations on the switchgear.
Only qualified personnel can perform the switching operation. Wear required
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protective equipment before the operation.
Ensure the escape route inside the switchgear room is freely accessible at all
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times without any blocks or obstructions. Remove the blocks or obstructions
if necessary.

2.2.9 ESD Protection

Devices may be damaged irreversibly by electrostatic discharge (ESD).
Avoid unnecessary touching of the PCB.
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Observe all the ESD-related safety instructions. Wear proper PPE, such as
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safety glasses, safety footwear, and safety gloves.

2.2.10 LCD Parameter Setting

Some settable parameters on the LCD are closely related to the operations of the MV
Station and internal devices. Therefore these parameters can only be set after reliable
evaluation of the system.
Improper parameter setting may affect the functionality of the device.
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Only qualified personnel can set the parameters.
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2.2.11 Sand and Moisture Protection

Do not open the MV Station door in sand storm, thunderstorm, strong wind or hail days
or when the ambient humidity is above 95%.

2.2.12 Symbols on the Device Body

Symbols on the devices body contain important information on the safe operation of the
MV Station and its internal devices. Do not tear or damage them!
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System Manual