Safety Precautions

1. Disclaimer

Thank you for using this manual. Before reviewing or using the information provided in this document, please carefully read the following disclaimer to ensure a clear understanding of the rights and responsibilities of all parties involved.

• Scope of Liability
  This manual is intended to provide reference information and guidance. While every effort has been made to ensure the accuracy and completeness of the content, we shall not be held legally liable for any direct, indirect, special, incidental, or consequential damages arising from the use of or reliance on the information contained in this manual. Users are responsible for evaluating the applicability and accuracy of the information and assume all associated risks.

• Limitation of Liability
  We shall not be liable for any losses caused by, including but not limited to, technical defects, third-party actions, force majeure events (such as natural disasters), information errors or omissions, service interruptions, or delays.

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• Modifications and Updates
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2. Safety Precautions

• All installation work must be carried out by trained and qualified professionals.
• Disconnect the power supply before installation or wiring.
• Do not open the product enclosure or connected devices to ensure safety.
• Local laws, regulations, and electrical standards must be followed during installation.
• If the device is damaged, stop using it immediately. If the device is still under warranty, contact the manufacturer for repair or replacement. Do not continue using or attempt to repair the device yourself.
• The device must only be used within the specified voltage range.
• Do not place the device in high-temperature environments, near open flames, or immerse it in any liquid.
• Keep the device out of reach of children.

3. Storage Requirements

If the EMH-2 will not be put into operation immediately, the following storage requirements must be met:

• Do not remove the original packaging, and inspect the packaging regularly (recommended every 3 months). If insect damage or packaging damage is found, replace the packaging promptly. If the EMH-2 has been unpacked but will not be used immediately, place it back into the original packaging and seal it with tape.
• Store the device in a suitable environment with appropriate temperature and humidity conditions (storage temperature: -40°C to +90°C; relative humidity: ≤40% RH, non-condensing). The storage environment must be free of corrosive or flammable gases.
• Store the device in a clean and dry location, protected from dust and moisture. Exposure to rainwater or standing water is strictly prohibited.
• If the storage period exceeds two years, the EMH-2 must be inspected and tested by qualified professionals before being put into operation.