1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Antminer S19 Pro 110TH/s Bitcoin Miner. Designed for high-performance cryptocurrency mining, this unit is optimized with Braiins OS+ firmware to deliver enhanced hash power and energy efficiency. Please read this manual thoroughly before operating the device to ensure proper functionality and safety.
2. Safety Information
Always adhere to the following safety guidelines to prevent damage to the unit, personal injury, or property damage:
- Voltage Requirement: This unit requires a 240V power supply. It will not operate on 110V. Using incorrect voltage may prevent startup or cause severe damage to the unit.
- Ventilation: Ensure adequate airflow around the miner to prevent overheating. Do not block air vents.
- Environment: Operate the miner in a clean, dry, and temperature-controlled environment. Avoid excessive dust, humidity, and extreme temperatures.
- Power Connection: Use only the provided power cables and ensure they are securely connected. Do not overload electrical circuits.
- Handling: Handle the unit with care. Avoid dropping or subjecting it to strong impacts.
3. Product Overview
The Antminer S19 Pro 110TH/s is a robust Bitcoin mining device featuring advanced cooling and a powerful hash board. Key components include the control board, hash boards, and cooling fans.
Key Features:
- Boosted to 120TH with Braiins Firmware: Optimized with Braiins OS+ to increase performance from 110TH to 120TH for maximum mining efficiency.
- Lower Power Consumption, Higher Profitability: Thanks to Braiins firmware, this miner uses less electricity while delivering more hash rate, reducing operational costs and increasing ROI.
- Tested, Cleaned, and Ready to Run: Each unit is carefully tested, cleaned, and delivered ready for deployment.
Component Identification:

Figure 3.1: Front-left view of the Antminer S19 Pro, showing the main casing and two large cooling fans on the side.

Figure 3.2: Rear view of the Antminer S19 Pro, highlighting the power input ports and smaller exhaust fans.

Figure 3.3: Top view of the Antminer S19 Pro, showing the network port, SD card slot, and status indicator lights.
4. Setup Instructions
Follow these steps to set up your Antminer S19 Pro:
- Unpacking: Carefully remove the miner from its packaging. Inspect for any visible damage.
- Placement: Place the miner on a stable, flat surface in a well-ventilated area. Ensure at least 20 cm of clear space around all sides for optimal airflow.
- Power Connection: Connect the 240V power cables to the miner's power input ports. Ensure the power source is capable of providing the required wattage (3250W).
- Network Connection: Connect an Ethernet cable from your router or network switch to the miner's Ethernet port.
- Initial Power On: Once all connections are secure, power on the unit. The miner will perform a self-check.
5. Operating Instructions
After initial setup, configure your miner for operation:
- Accessing the Web Interface: Locate the miner's IP address using an IP scanner tool on your network. Enter this IP address into a web browser to access the miner's control panel.
- Login: Enter the default username and password (refer to the miner's documentation or common Antminer defaults if not provided).
- Pool Configuration: Navigate to the 'Miner Configuration' or 'Pool Settings' section. Enter your mining pool URL, worker name, and password.
- Save and Apply: Save the settings and apply them. The miner will restart its hashing process with the new configuration.
- Monitoring: Monitor the miner's status, hash rate, and temperature through the web interface to ensure stable operation.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Antminer S19 Pro:
- Dust Removal: Periodically clean dust from the fans and heat sinks using compressed air. Ensure the miner is powered off and unplugged before cleaning.
- Fan Inspection: Check cooling fans for any obstructions or signs of wear. Replace damaged fans promptly.
- Firmware Updates: Check the official Antminer or Braiins OS+ website for firmware updates. Apply updates as recommended to improve performance and security.
- Environmental Control: Maintain a stable operating environment with appropriate temperature and humidity levels.
7. Troubleshooting
Common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Miner does not power on. | Incorrect voltage (110V instead of 240V), loose power cables, power supply failure. | Verify 240V power supply. Check all power cable connections. Test power supply if possible. |
| No hash rate/Low hash rate. | Incorrect pool settings, network issues, faulty hash board, overheating. | Verify pool configuration. Check network connectivity. Ensure proper ventilation. Inspect hash boards. |
| Miner offline. | Network cable disconnected, router issue, incorrect IP address. | Check Ethernet cable. Restart router/switch. Verify miner's IP address. |
| Overheating. | Blocked airflow, dusty fans, high ambient temperature. | Clear obstructions. Clean fans. Improve room ventilation or cooling. |
If issues persist, contact customer support.
8. Specifications
Detailed technical specifications for the Antminer S19 Pro 110TH/s:
| Attribute | Value |
|---|---|
| Model Name | S19 Pro 110Th/s |
| Brand | Antminer |
| Product Dimensions (L x W x H) | 15 x 8 x 11 inches |
| Item Weight | 36 pounds |
| Output Wattage | 3200 Watts |
| Wattage | 3250 watts |
| Cooling Method | Air |
| Compatible Devices | Personal Computer |
| Connector Type | ATX |
| Power Supply Design | Full Modular |
| Manufacturer | QIO TECH |
9. Warranty and Support
This product is covered under the manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact the manufacturer directly.
Important Notice Regarding Returns:
ALL SALES ARE FINAL! If any returns are accepted, a 50% restocking fee will be charged. This policy is in place due to Bitcoin market volatility and potential misuse. Please purchase responsibly.
Customer Support:
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact your vendor or the manufacturer, QIO TECH. Ensure you have your product model number (S19 Pro 110Th/s) and purchase details ready when contacting support.





