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Table of Contents
1.
Important Safety Information
.................................................................................................... 4
Read this First
............................................................................................................................. 4
Safety Instructions
...................................................................................................................... 4
Audience
...................................................................................................................................... 4
2.
The Hoymiles Microinverter System
........................................................................................ 5
3. DTU Basic Operation
.................................................................................................................... 7
3.1 LCD Screen Display at Start Up
........................................................................................ 7
3.2 Normal Operation
................................................................................................................. 7
3.3 DTU local Interface
.............................................................................................................. 8
4. DTU Installation
........................................................................................................................... 14
4.1 System Capacity
................................................................................................................ 14
4.2 Required Basic Conditions
............................................................................................... 14
4.3 Installation Sequence
........................................................................................................ 15
4.4 Install the DTU
.................................................................................................................... 16
5. Troubleshooting
........................................................................................................................... 23
5.1 LCD screen displays “NC”
................................................................................................ 23
5.2 The number of linked microinverters is less than total number of microinverters
.... 23
6. Technical Data
............................................................................................................................. 24
