SHW 300 ACE - Boiler STIEBEL ELTRON - Free user manual and instructions
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| Product type | Electric water heater |
| Brand | Stiebel Eltron |
| Model | SHW 300 ACE |
| Capacity | 300 liters |
| Power supply | 230 V / 50 Hz |
| Power consumption | 4 kW |
| Maximum operating pressure | 10 bar |
| Maximum temperature | 85 °C |
| Dimensions (height × diameter) | 180 cm × 60 cm |
| Weight empty | 65 kg |
| Thermal insulation | CFC-free polyurethane |
| Tank material | Enameled steel |
| Anti-corrosion protection | Magnesium anode |
| Energy class | C |
| Functions | Adjustable thermostat, frost protection, overheat safety |
| Maintenance | Annual draining, anode check |
| Safety | Safety group, safety thermostat, safety valve |
| Spare parts available | Anode kit, gasket, thermostat, heating element |
| Repairability | Repairability index: 8/10 |
| Warranty | 2 years |
Frequently Asked Questions - SHW 300 ACE STIEBEL ELTRON
How to adjust the water temperature?
Use the adjustable thermostat on the control panel. Turn the knob to set the temperature between 30 and 85 °C. A temperature of 55 to 60 °C is recommended to save energy and reduce scaling.
How to drain the water heater?
Turn off the power supply and close the water inlet. Open a hot water tap to let air in. Connect a hose to the drain valve at the bottom of the heater and open it. Make sure water flows into a sink or drain.
When to replace the protection anode?
The magnesium anode gradually wears out. Check it annually and replace it if it is reduced to less than 10 mm in diameter or heavily corroded. A worn anode reduces the anti-corrosion protection of the tank.
Why is there no hot water?
First check the power supply (circuit breaker). If power is present, test the thermostat and heating element. The thermostat may have tripped due to overheating: reset it with a screwdriver. If the problem persists, contact a professional.
What to do in case of water leakage?
Immediately close the water inlet and turn off the electricity. A leak can come from fittings, the safety group, or a crack in the tank. If the tank is punctured, the unit must be replaced. For leaks at gaskets, tighten or replace the gaskets.
How to install the water heater?
Installation must be carried out by a qualified professional. Secure the unit to the wall or floor according to the model, respect safety distances, connect cold and hot water, install the safety group, and connect the power supply with a 20A circuit breaker.
What is the average electricity consumption?
Consumption depends on the set temperature and usage. A 300 L heater at 60 °C uses about 12 kWh per day to maintain temperature and heat the water used. This corresponds to about 4,000 kWh per year.
Do I need to descale the water heater?
Yes, especially in hard water areas. Drain the heater every 2 to 3 years and clean the inside with a special descaling product. Scale reduces efficiency and can damage the heating element.
The water heater is making an abnormal noise, what should I do?
A crackling or clicking noise is often due to scale on the heating element. Descale the unit. A whistling noise may indicate overpressure: check the safety group. If the noise persists, call a professional.
What is the lifespan of the water heater?
With regular maintenance (anode check, descaling), a Stiebel Eltron heater lasts on average 10 to 15 years. After that, the tank may corrode and leaks may appear.
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USER MANUAL SHW 300 ACE STIEBEL ELTRON
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Product information
Brand : STIEBEL ELTRON
Model : SHW 300 ACE
Category : Boiler