Hoymiles DTU-Pro(4G) User manual

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1. Interface Layout
Item Description
SIM Card Slot
SD Card Slot
DTU Power Indicator
DTU Communication Indicator (With Server)
DTU Communication Indicator (With MI)
DTU Alarm Indicator
4G Antenna
RS485
DRM Port (For Australia only)
Ethernet Port
USB Port
Reset Bottom
Power Port
2.4G Antenna
- Screw the bracket on the wall, please
use at least two screw holes (one on
each side) to affix the bracket (M4
screws need to be prepared by installer).
3. Installation
DTU-Pro(4G) Quick Installation Guide
A) Take the 2.4G antenna and the 4G
antenna out of the box, and screw the
antennas into the 2.4G port and 4G port.
B) Check the box for the following items:
- Hoymiles DTU-Pro
-One 2.4G Antenna
-One 4G Antenna
-Adapter
-Bracket
-5-Pin Plug
C) Choose the way DTU-Pro connects to the Internet: Use
4G or Ethernet. Prepare the following items if needed:
- SIM Card (if 4G option is selected)
- Router Ethernet Cable (if Ethernet option is selected)
- Smartphone/Tablet with Hoymiles Installer App (if
Ethernet option is selected)
B) If you select the 4G option, insert the SIM card into the SIM card slot on the side of the DTU. Press the SIM card in
until you hear a clicking sound. (If 4G option is selected.)
C) Choose an installation location.
- Install on the top floor to increase signal strength.
- Install near the center of the PV array.
- Install at least 0.5 m above the ground and more than 0.8 m away from corners.
Note: Please do not install the DTU directly above metal or concrete to prevent signal interference.
D) Choose the installation method.
Option 1: Mount the DTU on the wall.
A) Download the Hoymiles Mobile Installer
App.
2. Preparation
Region: Global AP040342 REV1.2 © 2020 Hoymiles Power Electronics Inc. All rights reserved.

02
5. Online Setup
Create an online account to complete the DTU installation (refer to “Quick Installation Guide for S-Miles Cloud (Hoymiles
Monitoring Platform) Online Registration” for detailed account creation steps).
Note: For more setup details regarding the Export Management and the Local Installation Assistant, please acquire the
related Operation Guide from Hoymiles Technical Service Center at [email protected].
6. Warning
Warning
- Only qualified personnel can install or replace the DTU.
- Do not attempt to repair the DTU, as it contains the parts that are not serviceable to users. If the DTU breaks down,
please contact your distributor for maintenance. Opening the DTU without permission will invalidate the warranty.
4. Installation Map
A) Complete the installation map. Peel the
serial number label (as circled below) from
the DTU and place it on the installation
map.
Product information is subject to change without notice. (Please download reference manuals at www.hoymiles.com.)
- Match the bracket’s upper buckle with
the DTU-Pro.
- Match the bracket’s lower buckle by
gently pressing the lower side of the
DTU-Pro until you hear a clicking sound.
Please make sure the antennas are
perpendicular to the wall.
- If you place the DTU on the table,
please make sure the antennas are
perpendicular to the table.
- Use a LAN cable, with one end
connected to the house router and the
other to the DTU Ethernet port. Use the
smartphone/tablet to open the Installer
App and login. Locate “O&M” on the
bottom of the page, select “Network
Config”, and then select “Ethernet” or
“4G”.
- If you select 4G, the APN has been
preset, but the user can also modify the
APN under: “O&M > Local Installation
Assistant > Cloud > Network Config” in
the Installer App.
Option 2: Place the DTU on the table.
E) Plug in the power adapter to power the DTU.
F) Set up with Internet.
B) Complete the system information of the
installation map as shown below.
N S E W
(circle one)
Panel Group:
Azimuth:
Tilt:
Sheet _ of _
Customer Information: DTU Serial Number:
To sheet _______
To sheet _______ To sheet _______
To sheet _______
Region: Global AP040342 REV1.2 © 2020 Hoymiles Power Electronics Inc. All rights reserved.