Safety Precaution; General Safety; Pv String Safety - Goodwe ET Series User Manual

User Manual V1.0-2022-08-30

2 Safety Precaution

Please strictly follow these safety instructions in the user manual during the operation.
The inverters are designed and tested to strictly comply with related safety rules. Read and
follow all the safety instructions and cautions before any operations. Improper operation might
cause personal injury or property damage as the inverters are electrical equipment.

2.1 General Safety

• The information in this user manual is subject to change due to product updates or other
reasons. This guide cannot replace the product safety labels unless otherwise specified. All
descriptions here are for guidance only.
• Before installations, read through the user manual to learn about the product and the
precautions.
• All operations should be performed by trained and knowledgeable technicians who are
familiar with local standards and safety regulations.
• Use insulating tools and wear personal protective equipment when operating the
equipment to ensure personal safety. Wear anti-static gloves, clothes, and wrist strips
when touching electronic devices to protect the inverter from damage.
• Strictly follow the installation, operation, and configuration instructions in this manual.
The manufacturer shall not be liable for equipment damage or personal injury if you do
not follow the instructions. For more warranty details, please visit
warranty.

2.2 PV String Safety

Connect the DC cables of the inverter to the included DC terminals. Severe damage might
happen if other types of DC terminals are used, which are beyond the manufacturer's liability.
• Ensure the component frames and the bracket system are securely grounded.
• Ensure the DC cables are connected tightly, securely and correctly.
• Measure the DC cables with a multimeter to avoid reverse polarity connection. Also, the
voltage should be under the permissible range.
• Do not connect one PV string to more than one inverter at the same time. Otherwise, it
may damage the inverter.
• The PV modules used with the inverter must have an IEC61730 class A rating.
NOTICE
NOTICE
DANGER
WARNING
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02 Safety Precaution
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