: One of the most critical sections in the manual cautions against simultaneous use. Running a shower (typically 7–9 L/min) while someone does dishes will cause the temperature to plummet from a cozy 42°C to a bracing 31°C almost instantly.
This unit requires a dedicated circuit breaker.
If you need more help, let me know the , whether it is gas or electric , and the exact problem you are facing. Share public link
Unscrew the water inlet hose and locate the small mesh filter screen. Rinse away any trapped sediment, sand, or debris, then reinstall it. xyfb water heater manual
If your unit is gas-powered and you smell gas, do not operate any electrical switch. Immediately call your gas supplier. 2. Product Overview & Components
The blue collar indicates the Cold Water Inlet. The red collar indicates the Hot Water Outlet.
If you smell gas, do not try to light any appliance. Do not touch any electrical switch. Immediately call your gas supplier from a neighbor's phone. 2. Technical Specifications : One of the most critical sections in
Hard water causes calcium buildup inside the tank or heat exchanger, lowering efficiency and causing premature failure. Turn off electricity and gas to the water heater. Close the cold water inlet valve.
A failing shower mixing valve can allow cold water to bleed into the hot water line.
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. If you need more help, let me know
Install a pressure relief valve if necessary, although many small electric units do not require one. Check for leaks before powering on the unit. C. Electrical Installation
High-limit thermostat tripped. Turn off power, allow unit to cool, and check for scale buildup or closed valves. Water Temperature Sensor
If you are leaving for more than 3 days during winter, the manual instructs you to:
The XYFB control panel provides real-time data, temperature management, and diagnostics.
Set your temperature to 104°F – 110°F (40°C – 43°C) for comfortable showering without scalding.
