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1. The information in this document is subject to change without notice.
Every effort has been made in the preparation of this document to ensure
accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any
kind, express or implied. You can download this document by scanning
the QR code.
2. Before installing the device, closely read the user manual to get familiar
with product information and safety precautions.
Copyright © Huawei Technologies Co., Ltd. 2020.
All rights reserved.
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Overview
• a: The screw is used to secure the DC switch to prevent accidental startup. The screw is
delivered with the solar inverter.
• b: DC input terminals PV1 and PV2 are controlled by the DC switch.
3. Only certified electricians are allowed to operate the device. Operation personnel must wear
proper personal protective equipment (PPE).
4. Before installing the device, check that the package contents are intact and complete against
the packing list. If any damage is found or any component is missing, contact your dealer.
5. The device damage caused by the violation of instructions in this document is not covered
under warranty.
6. The cable colors involved in this document are for reference only. Select cables in accordance
with local cable specifications.
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