hoymiles DTU-W100 Wireless COmmunication for Both Microinverter and Cloud
Important:
DTU-Lite-S is only compatible with Hoymiles new HMS and HMT series of microinverters.
Interface Layout
- A. USB Connector
- B. Status Indicator
- C. Reset Button
Installation
- A) Check the box for the following items:
√ Hoymiles DTU-Lite-S
√ Adapter - B) Power the DTU-Lite-S
Option 1: Connect the DTU to the adapter and plug it into a wall socket
Option 2: Connect the DTU to the adapter and plug it into the power strip
Note:
- Please make sure that it is placed at least 0.5 meters above the ground, and try to install the DTU at a 90 degrees angle perpendicular to the ground.
- To prevent signal attenuation, please do not install the DTU directly above metal or concrete.
Online Setting
- A) Plug in the power adapter to energize the DTU. Once the DTU powers on, the red, green and blue lights will flash for one second in turn for 30 seconds.
- B) Download the Hoymiles mobile
installer App. - C) Use the App to connect to the DTU
Open the Installer App on smart phone/tablet and log in. - Click “O&M” at the bottom of the page and then click “Network Config”.
Select the DTU’s wireless network and click “Connect”.
(The network name of the DTU consists of DTUL and product serial number, and is not password-protected by default.)
- D) Set up Internet
Go back to “Network Config” interface.Select “Wi-Fi” and complete the Wi-Fi configuration
Select an available Wi-Fi and enter the password.
Click “Send to DTU”, and a popup box will appear. Confirm and exit. Please restart the DTU manually and check if DTU light stays green.
Note: After the command is issued successfully, DTU will connect to the network after 10 minutes. 
Installation Map
Please complete the installation map.
Peel the serial number label (as circled below) from the DTU and affix it to the installation map.
Complete system information of the installation map as shown on the right.
MI Toolkit
MI Toolkit is one of the toolkits that come with S-Miles Cloud App. It can be used for on-site inspection after the PV power station is complete, so that the operation of microinverter can be monitored without Site Creation.
For more operation details regarding MI Toolkit, please refer to “User Manual for DTU-Lite-S”.
Warning
Please complete the online account creation to complete the DTU installation (refer to “Quick Installation Guide for S-miles Cloud Online Registration” for detailed account creation steps).
Warning
- Only qualified personnel can install or replace the DTU.
- Do not attempt to repair the DTU by yourself. If the DTU breaks down, please contact your distributor for maintenance. Disassemble the DTU without permission will invalidate the warranty.
Product information is subject to change without notice. (Please download reference manuals at www.hoymiles.com.) Region: Global AP040462 REV1.1 © 2020 Hoymiles Power Electronics Inc. All rights reserved.
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