Safety Precaution; General Safety; Dc Side; Ac Side - Goodwe DNS Series User Manual

User Manual V1.0-2022-12-15

2 Safety Precaution

The inverters are designed and tested strictly complies 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 labels or the safety precautions in the user
manual unless otherwise specified. All descriptions here are for guidance only.
• Before installations, read through the quick installation guide. For additional information,
please see the user manual.
• All installations 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, cloths, and wrist strips when
touching electron 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 https://en.goodwe.com/
warranty.

2.2 DC Side

Connect the DC cables using the delivered PV connectors. The manufacturer shall not be liable
for the equipment damage if other connectors or terminals are used.
• Ensure the component frames and the bracket system are securely grounded.
• Ensure the DC cables are connected tightly, securely and correctly.
• Measure the DC cable using the multimeter to avoid reverse polarity connection. Also, the
voltage should be under the permissible range.

2.3 AC Side

• The voltage and frequency at the connection point meet the inverter grid connection
requirements
• Additional protective devices like circuit breakers or fuses are recommended on the AC
side. Specification of the protective device should be at least 1.25 times the rated AC output
rated current.
• Make sure that all the groundings are tightly connected.
• You are recommended to use copper cables as AC output cables. Contact the manufacturer
if you want to use other cables.
Notice
Notice
DANGER
WARNING
WARNING
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02 Safety Precaution