WWK 301 electronic - Boiler STIEBEL ELTRON - Free user manual and instructions
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| Product Type | Heat pump water heater |
| Brand | Stiebel Eltron |
| Model | WWK 301 electronic |
| Tank Capacity | 300 liters |
| Height | 1700 mm |
| Width | 600 mm |
| Depth | 600 mm |
| Weight | 100 kg |
| Power Supply | 230 V / 50 Hz |
| Heating Output (Heat Pump) | 2.5 kW |
| Electric Backup Heater | 3.0 kW |
| COP (Coefficient of Performance) | 3.5 at A15/W45 |
| Max Water Temperature | 65 °C |
| Refrigerant | R134a |
| Sound Level | 45 dB(A) |
| Energy Class | A+ |
| Standing Losses | 0.5 kWh/24h |
| Protection Class | IP24 |
| Max Operating Pressure | 10 bar |
| Main Functions | Heat pump operation, electric backup, anti-legionella cycle, vacation mode, timer programming |
| Maintenance and Cleaning | Annual check of anode, clean air filter quarterly, drain tank if unused |
| Safety Features | Overheating protection, pressure relief valve, frost protection, child lock |
| Spare Parts and Repairability | Anode, thermostat, compressor, fan, electronic board available; repairable by certified technician |
| General Information | Indoor installation only, designed for heating domestic hot water, low standby losses |
Frequently Asked Questions - WWK 301 electronic STIEBEL ELTRON
How do I install the Stiebel Eltron WWK 301 electronic?
Installation must be performed by a qualified technician. Ensure the unit is placed on a solid, level floor with adequate ventilation. Connect to water supply and electrical system according to local codes. Use the included installation manual for detailed steps.
What is the recommended maintenance schedule for this boiler?
Annually: check the sacrificial anode and replace if worn. Quarterly: clean the air filter. Every two years: have a professional inspect the refrigerant circuit. Also perform an anti-legionella cycle at least once a month.
How can I adjust the water temperature?
Use the control panel on the front. Press the temperature button and use +/- to set desired temperature (default 55°C). Maximum is 65°C. For energy savings, set to 55°C.
What does the error code 'E01' mean?
Error E01 indicates a sensor fault (usually the temperature sensor). Check connections and restart the unit. If persistent, contact Stiebel Eltron service.
Can the WWK 301 be installed outdoors?
No, this model is designed for indoor installation only. It requires a frost-free room with temperatures between 7°C and 35°C. Outdoor installation may void warranty.
How do I perform an anti-legionella cycle?
Go to the menu, select 'Legionella' function and start. The unit will heat water to 70°C for at least 1 hour. This should be done monthly to prevent bacterial growth.
Why is the heat pump running continuously?
Possible reasons: high hot water demand, low ambient temperature, or a fault. Check the settings and ensure the backup heater is not stuck. If problem persists, contact support.
What type of refrigerant does this unit use?
The WWK 301 electronic uses R134a refrigerant, which is ozone-friendly. For repairs involving refrigerant, always call a certified HVAC technician.
How can I reset the boiler to factory settings?
Press and hold the 'Mode' button for 10 seconds until the display shows 'RESET'. Confirm with 'OK'. This clears all user settings.
Where can I download the full manual?
Visit notice-facile.com or the Stiebel Eltron official website to download the manual in PDF format. Use the model number WWK 301 electronic.
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USER MANUAL WWK 301 electronic STIEBEL ELTRON
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Product information
Brand : STIEBEL ELTRON
Model : WWK 301 electronic
Category : Boiler