2 Introduction; Valid Model - Delta M88 Series Operation And Installation Manual

Introduction
2 Introduction
The M88H is designed to enable the highest levels of efficiency and provide
longest operating life of photovoltaic inverter by state-of-the-art high-frequency
and low EMI technology. It is suitable for outdoor use.
- There is no accessory such as a transformer along with our product and
therefore the product has no galvanic isolation.
External transformer should be installed between AC output of inverter and Grid.
Please do not connect grounded Photovoltaic modules to the product.
If you connect grounded Photovoltaic modules to the product, the error message
INSULATION (E34) shows up.
- It is prohibited to connect the L1, L2, L3, and N to the ground.

2.1 Valid Model

The user manual is valid for the following device types :
• M88H
_121
• M88H
_122
This user manual must be followed during installation, operation, and maintenance.
The M88 Series have 2 models as shown in Figure 2-2. 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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