Hoymiles Data Transfer Bridge User Manual

Legal Notice

Hoymiles has made every effort to ensure the accuracy and completeness of this manual. However, this manual may be changed and revised due to product enhancements or user feedback.

Hoymiles reserves the right to modify this manual without prior notice at any given time. The latest version of this manual can be found by visiting the Hoymiles official website (www.hoymiles.com) or scanning the QR Code below.

Warranty

Follow the installation instructions in this manual to ensure warranty compliance and reliability. The current warranty conditions can be accessed at www.hoymiles.com.

Contact Us

If you have technical queries or any questions concerning our products, please contact our support through the Hoymiles service portal:

• Germany: service.de@hoymiles.com
• Spain: service.es@hoymiles.com
• France: service.fr@hoymiles.com
• Italy: service.it@hoymiles.com
• Netherlands: service.nl@hoymiles.com
• Norway: service.no@hoymiles.com
• Poland: service.pl@hoymiles.com
• Finland: service.fi@hoymiles.com
• Austria: service.at@hoymiles.com
• Rest of the EU: service.eu@hoymiles.com
• Brazil: service.br@hoymiles.com
• USA: service.us@hoymiles.com
• Australia & New Zealand: service.au@hoymiles.com
• Spanish-speaking countries: service.mx@hoymiles.com
• Canada: service.ca@hoymiles.com
• Asia & Pacific: service.asia@hoymiles.com

Phone Support:

• Germany: +49 6994322186
• Brazil: +55 1148585231
• France: +33 159131589
• North America: +18449964537
• Netherlands: +31 852736388
• Poland: +48 918821656

Website: hoymiles.com

Revision History

1 About This Manual

1.1 Purpose

This manual contains important instructions regarding the installation and operation of the Hoymiles Data Transfer Bridge (DTB). Please carefully read this manual before the installation, operation, and maintenance.

1.2 Audience

This document is only for qualified personnel. Only qualified personnel who have been trained or mastered relevant skills can install and maintain the product under the guidance of this document.

1.3 Validity

The DTB is only compatible with Hoymiles hybrid energy storage inverters and AC-coupled energy storage inverters. This document is valid for the following DTB models:

• DTB-WiFi-G3
• DTB-4G-G3
• DTB-WL-G3

DTB-WiFi-G3

2 Safety Instructions

2.1 Safety Symbols

Safety symbols are used in this manual as follows:

2.2 Additional Symbols

The product label contains the following symbols with their meanings described below:

2.3 Safety Instructions

The DTB has been designed and tested in compliance with international safety standards, and thus requires careful installation and operation. Installers must carefully read and strictly follow the safety instructions in this section. Failure to do so may result in:

• Injury or death to the installers or operators
• Damage to the DTB

DANGER! Do not attempt to repair the device yourself. If you encounter any device issues, or need repair or warranty information, please contact us.

WARNING!

• Do not use Hoymiles products in a way that is not suggested by the manufacturer. Doing so may cause death or injury to persons or damage to the equipment.
• Read all instructions and warnings in the technical description and on the DTB before installing or using the device.
• Do not use the device in locations where wireless devices are not allowed.
• Keep the device away from water, fire, moisture, and hot environments to prevent damage.

CAUTION! Do not try to repair the DTB without approval from Hoymiles. If the DTB is damaged, send the DTB back to your installer for repair or replacement. Disassembling the DTB without approval from Hoymiles will invalidate the remaining warranty period.

Hoymiles confirms that the product described in this guide meets the essential requirements and relevant provisions of the EU directives.

These technical parameters apply only to EU countries.

NOTICE

• Electrical installations: Perform all electrical installations in accordance with national and local regulations.
• To ensure optimal reliability and meet warranty conditions, install the DTB according to the instructions in this guide.
• This product is not a network device but can connect to a home router via Wi-Fi, leveraging the router's security functions to counter potential cybersecurity risks like DoS attacks.

2.4 EU Directive Compliance

✅ ♻️ This product complies with the following EU directives and can be used without restrictions in the European Union:

• Directive 2014/53/EU (RED) and 2009/125/EC: Relating to the provision of electrical equipment within certain voltage limits on the market (Low Voltage Directive).
• Directive 2011/65/EU and 2015/863/EU (RoHS): Restricting the use of certain hazardous substances in electrical and electronic equipment.

More detailed information can be found at https://www.hoymiles.com/.

3 Product Introduction

3.1 Overview

DTB-G3 is the third-generation data transfer stick of Hoymiles, which is small and easy to install. DTB-G3 supports communication methods including Wi-Fi, 4G and LAN, enabling the inverter to connect to the router or base station, and transmit data to the S-Miles Cloud for real-time monitoring and remote control. In addition, DTB-G3 supports Bluetooth for short-range communication between the inverter and App, offering users convenient control of power on/off, power adjustment, mode setting, and configuration parameters viewing via the App.

3.2 Features

• Plug and play
• Stable and reliable data transmission
• Supports Bluetooth local configuration
• IP66 protection

3.3 Applications

DTB-WiFi-G3

Diagram showing Inverter connected to DTB via Wi-Fi, DTB connected to Router, Router connected to S-Miles Cloud. Also shows Inverter connected to DTB via Bluetooth, and DTB connected to App.

DTB-4G-G3

Diagram showing Inverter connected to DTB via 4G, DTB connected to Base Station, Base Station connected to S-Miles Cloud. Also shows Inverter connected to DTB via Bluetooth, and DTB connected to App.

DTB-WL-G3

Diagram showing Inverter connected to DTB via Wi-Fi/LAN, DTB connected to Router, Router connected to S-Miles Cloud. Also shows Inverter connected to DTB via Bluetooth, and DTB connected to App.

* DTB Interface: Connect and communicate with the inverter.
Inverter Interface: Connect and communicate with the DTB.

3.4 Dimensions

DTB-WiFi-G3 / DTB-4G-G3

Diagram showing dimensions of DTB-WiFi-G3/DTB-4G-G3. Length: 126.8 mm, Width: 33.16 mm, Height: 49.2 mm.

DTB-WL-G3

Diagram showing dimensions of DTB-WL-G3. Length: 183.7 mm, Width: 34.9 mm, Height: 49.2 mm.

3.5 Technical Specifications

4 Installation

4.1 Wi-Fi/4G DTB Installation

1. Step 1: Remove the DTB port cover on the bottom of the inverter.
2. Step 2: Insert the DTB into the DTB port. Listen for a click as they engage.

Diagram showing DTB being inserted into the inverter's DTB port.

4.2 WLAN DTB Installation

1. Step 1: Turn the end of the DTB counterclockwise, and separate the DTB into four parts.
2. Step 2: Plug the LAN cable into the network port on Part 1.
3. Step 3: Slide Part 2, 3, and 4 over the cable in sequence, and tighten all parts.
4. Step 4: Remove the DTB port cover on the bottom of the inverter.
5. Step 5: Insert the DTB into the DTB port. Listen for a click as they engage.

Diagram showing the four parts of the DTB and how to assemble them with the LAN cable, then insert into the inverter's DTB port.

NOTICE

For both types of devices, if you need to remove the DTB, turn the lock ring counterclockwise, and unplug it.

5 Indicators and Button

5.1 Indicators Status

Diagram showing the DTB with NET, COM, and RUN indicators.

5.2 Button Instruction

Diagram showing the button on the DTB.

6 Network Configuration

NOTICE

• The screenshots provided here are for reference only. The actual screens may vary.
• For additional details of App operation, see S-Miles Installer App Operating Guide.

Step 1: Scan the QR code below, or search for "S-Miles Installer" on the App Store (iOS) or Google Play Store (Android) to download the app.

Diagram showing a QR code to download the S-Miles Installer app.

Step 2: Open and log in to the app using your credentials.

Step 3: Tap O&M > Network Config. The app will scan for the Bluetooth of nearby devices.

Step 4: On the Via Bluetooth part, tap the DTB to be connected.

Step 5: Enter the PIN code (only required for the first connection, by default is 123456), and tap Confirm.

Diagram showing the app interface for connecting to the DTB via Bluetooth, including entering the PIN.

Step 6: Connect to the network.

• Ethernet Mode (Only applicable to DTB-WL-G3): DTB and router are connected via LAN cable. Select Ethernet and tap Send to DTU.
• Wi-Fi Mode: Select Wi-Fi. Enter the router's Wi-Fi name and password, and tap Send to DTU.

Step 7: When the connection is successful, tap Finish.

Diagram showing the app interface for selecting Ethernet or Wi-Fi connection, and confirming connection success.

FCC Statement

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

ISED RSS Warning/ISED RF Exposure Statement

ISED RSS Warning:

This device complies with Innovation, Science and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d'ISED applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes:

• (1) l'appareil ne doit pas produire de brouillage, et
• (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

ISED RF exposure statement:

This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Le rayonnement de la classe b repecte ISED fixaient un environnement non contrôlés. Installation et mise en œuvre de ce matériel devrait avec échangeur distance minimale entre 20 cm ton corps. Lanceurs ou ne peuvent pas coexister cette antenne ou capteurs avec d'autres.