© 2019 Hoymiles Power Electronics Inc. All rights reserved.
5
MI-300N/MI-350N/MI-400N
1. Important Notes
1.1 Product Range
This manual describes the assembly, installation, commissioning, maintenance and failure search of
the following model of Hoymiles Microinverter:
MI-300N
MI-350N
MI-400N
1.2 Target Group
This manual is only for qualified technician, who has been trained or has demonstrated skills can
install and maintain this Microinverter under the guide of this document for safety purpose.
1.3 Symbols Used
The safety symbols in this user manual are show as below.
2. About Safety
2.1 Important Safety Instructions
The MI-300N/MI-350N/MI-400N Microinverter is designed and tested according to international
safety requirements. However, certain safety precautions must be taken when installing and
Symbol
Usage
Indicates a hazardous situation that can result in deadly electric shock
hazards, other serious physical injury, or fire hazards.
Indicates directions which must be fully understood and followed in entirety
in order to avoid potential safety hazards including equipment damage or
personal injury.
Indicates this points out that the described operation must not be carried
out. The reader should stop, use caution and fully understand the
operations explained before proceeding.