2 Introduction; Valid Model - Delta M100A-280 Operation And Installation Manual

Introduction
2 Introduction
This transformerless 3Ø PV inverter is a state-of-the-art design that offers high
efficiency, long-life, and low EMI operation. Its enclosure is IP66 provides
outdoor use capability. Therefore, This product is suitable for commercial or
industrial environments.
- This product utilizes a transformerless design that does not provide an isolation
transformer inside; Therefore, this inverter has no galvanic isolation between
the DC and AC sides.
- PV array circuits connected must be floating with the ground. Thus, Terminals
L1, L2, L3, or N can not be grounding directly.
ATTENTION : Intended for Industrial Environments
- M100A_280/283 and M110A_283 has been tested and found to comply with the
limits for IEC 62920 Class A which is designed to provide reasonable protection
against harmful interference in the industrial environment operation.
- This device generates radiofrequency energy, please accord this manual to
install and use.
- Operation in a residential area could cause harmful interference.

2.1 Valid Model

The user manual is valid for the following device types:
• M100A_280
• M100A_283
• M110A_283
This user manual must be followed during installation, operation, and maintenance.
DELTA reserves the right to make modifications to the content and technical data
in this user manual without prior notice.
ATTENTION : NO GALVANIC ISOLATION
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