Lcd Parameter Setting; Esd Protection; Moisture Protection; Maintenance And Service - Sungrow SG1250UD Operation Manual

Operation Manual
 Use high-quality measurement devices that meet the on-site requirements.
 Ensure that the measuring instrument is correctly connected and used to avoid
the electrical arc and other hazards.

2.3.9 LCD Parameter Setting

Some settable parameters on the LCD are closely related to the operation of the inverter.
Therefore, these parameters can only be set after reliable evaluation of the system and
inverter
 Inappropriate parameter setting may impair the functionality of the inverter!
 Only authorized qualified persons can set the parameters.

2.3.10 ESD Protection

The components can be damaged due to touching the PCB or other components
sensitive to ESD or performing incorrect operations.
 Avoid unnecessary touch to the PCB.
 Respect the ESD protection standards, for example, wear a wrist strap.

2.3.11 Moisture Protection

Moisture penetration may damage the inverter!
 Do not open the inverter door when the relative humidity is above 95%.
 Do not service or maintain the device in rainy or damp days.

2.3.12 Maintenance and Service

Wait at least 15 minutes after the inverter stops to maintain or service the inverter.
Before any service work, observe the following procedures:

Ensure that the inverter cannot be powered on inadvertently.

Ensure that the interior of the inverter is completely voltage-free by using a multimeter.

Perform necessary grounding and short circuit connection.

Use the insulation clothing to cover and insulate the possible live components adjacent
to the operation area.

Ensure that the emergency escape route is freely-accessible throughout the operation
process.
2 Safety Instructions
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