Xyfb Water Heater Manual [better] Direct

: Turn off the main circuit breaker. Feed the electrical lines through the unit's strain relief. Connect the ground wire to the green terminal, and the live wires to the designated L1 and L2 terminals. Secure all terminal screws tightly.

Connect the cold water inlet and hot water outlet using standard 1/2" NPT interfaces . Use Teflon tape on connectors to prevent leaks.

: Use an electric drill to create holes in the wall and secure the heater with the provided screws. xyfb water heater manual

Follow these steps carefully to avoid damaging the heating element:

Turn on the water supply and let it flow through the heater for at least two minutes before connecting power. This purges air pockets that can cause the unit to burn out. : Turn off the main circuit breaker

If the screen is blank but the unit has power, press and hold the “Power” button for 5 seconds. This hard reset clears temporary logic errors.

Periodically check the inlet filter (if equipped) for mineral buildup or debris to maintain proper water flow. 5. Troubleshooting Issue Common Cause No Hot Water Breaker tripped or reset button popped Check breaker; reset high-limit switch Water Not Hot Enough Flow rate too high Reduce the water flow at the tap Unit Shuts Off Low water pressure or mineral buildup Ensure pressure is at least 0.04 MPa; clean unit Secure all terminal screws tightly

: Automatically adjusts power to maintain the selected temperature.

Because XYFB is a generic brand, the manufacturer’s website often changes. Try these methods: