WWK 301 electronic SOL - Boiler STIEBEL ELTRON - Free user manual and instructions
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| Product Type | Heat pump water heater with solar support |
| Capacity | 300 L |
| Dimensions (H x W x D) | 1635 x 660 x 660 mm |
| Weight (empty) | 115 kg |
| Power Supply | 230 V / 50 Hz |
| Max Power Consumption | 2.5 kW |
| Heat Pump Output | 1.5 kW |
| COP (Coefficient of Performance) | 3.2 |
| Solar Collector Connection | Yes, via external heat exchanger |
| Max Water Temperature | 65 °C |
| Standby Loss | 1.5 kWh/24h |
| Refrigerant | R134a, 0.95 kg |
| Sound Level | 45 dB(A) |
| Control System | Electronic with display and timer |
| Main Functions | Hot water generation, solar integration, anti-legionella cycle |
| Maintenance | Annual inspection of heat pump; clean air filter every 6 months |
| Safety Features | Overheat protection, pressure relief valve, frost protection |
| Spare Parts Availability | Spare parts available for 10 years after discontinuation |
| Reparability | Service-friendly design; error codes displayed |
| Warranty | 2 years for parts, extended with professional installation |
| General Information | Energy efficiency class A+; suitable for single-family homes |
Frequently Asked Questions - WWK 301 electronic SOL STIEBEL ELTRON
How to set the water temperature on the WWK 301 electronic SOL?
Use the control panel to adjust the target temperature between 10 °C and 65 °C. Press the '+' or '-' buttons on the display. Confirm with the 'OK' button.
Can I connect the boiler to existing solar panels?
Yes, the WWK 301 electronic SOL is designed for solar integration. Connect the solar collector to the external heat exchanger using the provided ports. Consult the manual for proper piping and control settings.
What is the recommended maintenance schedule?
Inspect the heat pump annually by a qualified technician. Clean the air filter every 6 months or when the 'Filter Clean' indicator appears. Check the pressure relief valve once a year.
How do I reset the device after a fault?
Press and hold the 'Reset' button on the control panel for 5 seconds. If the error persists, note the error code and consult the manual or call service.
What is the energy consumption per day?
Average daily energy consumption is approximately 4-5 kWh for a family of four, depending on usage and solar contribution. The standby loss is 1.5 kWh/24h.
Is the water heater suitable for outdoor installation?
No, the WWK 301 electronic SOL must be installed indoors in a frost-free room with ambient temperatures between 7 °C and 35 °C. Outdoor installation voids warranty.
How does the anti-legionella cycle work?
The boiler automatically heats the water to 65 °C once per week to kill Legionella bacteria. This cycle can be enabled or disabled in the settings menu.
What is the lifespan of the heat pump compressor?
The compressor is designed for a service life of over 20,000 operating hours, corresponding to approximately 10-15 years under normal usage.
Can I use the boiler without solar connection?
Yes, the boiler operates as a standard heat pump water heater without solar input. The solar function simply remains inactive.
Where can I find spare parts?
Spare parts are available from Stiebel Eltron authorized dealers or via the official website. Use the model number WWK 301 electronic SOL to order.
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USER MANUAL WWK 301 electronic SOL STIEBEL ELTRON
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Product information
Brand : STIEBEL ELTRON
Model : WWK 301 electronic SOL
Category : Boiler