Initial Setup Instructions
1. Power Supply Requirements: The Antminer S21 Hydro (335Th) requires a 12V input, with a power
consumption of 5304W. Use a high-quality power supply unit (PSU) that can provide consistent and
sufficient power to the miner.
2. Network Setup: The miner comes with an Ethernet port to connect it to your local network. Use a
stable and high-speed internet connection to ensure uninterrupted mining operations.
3. Placement: The Antminer S21 Hydro is designed for industrial or data center environments. Ensure
the miner is placed in a cool and dry location, ideally with sufficient space for ventilation.
4. Cooling: The liquid cooling system should be checked regularly to ensure it is functioning properly.
Make sure the coolant levels are maintained, and there are no obstructions in the cooling channels.
5. Ethernet Configuration: Once connected to the network, access the Antminer S21 Hydro’s IP address
through a browser to set up your mining pool, monitor performance, and adjust settings.
Maintenance of the Antminer S21 Hydro (335Th)
Regular maintenance is essential to keep the Antminer S21 Hydro (335Th) running smoothly.
1. Cooling System: Check the liquid cooling system frequently for leaks or issues. Ensure that the coolant
is at the correct level and the system is working efficiently.
2. Firmware Updates: Bitmain regularly releases firmware updates that improve the miner’s performance
and security. Ensure your miner is up to date by visiting the Bitmain website or the miner’s control
panel.
3. Network Stability: Since mining is highly dependent on continuous network connectivity, regularly
check the Ethernet cable and network settings to ensure no disruptions in mining.