Take a major step toward self-sufficiency at home with the WWK 304 ZA DHW heat pump. Designed for outdoor installation, it efficiently heats domestic hot water (DHW) using renewable environmental sources. Its highly insulated 302 L cylinder ensures ample hot water for baths, showers, or multiple draw-off points with minimal energy consumption.
Product Features:
- Outdoor DHW Heat Pump – Compact series suitable for recirculation air mode.
- Hygienic hot water up to 65 °C achievable in efficient heat pump mode.
- 302 L Nominal Capacity for high DHW convenience.
- Utilizes environmental heat for energy-efficient water heating.
- Photovoltaic-ready – easily connects to solar PV systems.
- User-friendly LCD display for real-time hot water availability.
- Extremely quiet operation due to advanced acoustic separation.
- Maintenance-free impressed current anode for reliability and cost savings.
- Roll-bond heat exchanger ensures long service life and consistent efficiency.
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Suitable for outdoor installation at ambient temperatures of -5 °C to +42 °C.
Specifications:
- Part No.: 203871
- Type: WWK 304 ZA
- Average Heating Output (A20/W20-55): 2.10 kW
- Average Power Input (A20/W20-55): 0.46 kW
- COP South Africa (A20/W20-55): 4.55
- Maximum Mixed Water Amount at 40 °C (based on 15°C/63°C): 547 L
- Heat-up Time (A20/W20-55): 5.70 hours
- Energy Efficiency Class (DHW Heating, Indoor Air): A
- Nominal Load Profile (EN 16147): XL
- COP (EN 16147 / A20): 2.91
- Maximum Available Nominal Amount of DHW at 40 °C (EN 16147 / A20): 457 L
- Height x Diameter: 1905 × 690 mm
- Weight: 135 kg
- Nominal Capacity: 302 L
- Power Supply: 1/N/PE, 220–240 V, 50/60 Hz
- Average Sound Pressure Level at 1 m Distance (Free Field): 45 dB(A)
- Sound Power Level (EN 12102): 56 dB(A)
- Application Limits, Heat Source for Heat Pump Operation: -5 °C to +42 °C
- Maximum DHW Temperature (Heat Pump Mode): 65 °C
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Safety Valve Connection: Rp 3/4
