Technical Specifications of MEGASUN 300‑litre Indirect Flat Plate Solar Water Heater:
- Nominal Storage Capacity: 300 L (actual drum volume 301 L)
- Solar Collector Window Area: 3.60 m²
- Thermal Efficiency (Normal Climate): 221 %
- Annual Electricity Consumption (Normal Climate): 462 kWh
- Zero‑Loss Collector Efficiency (η₀): 75 %
- First‑Order Heat Loss Coefficient (a₁): 3.36 W/(K·m²)
- Second‑Order Heat Loss Coefficient (a₂): 0.024 W/(K²·m²)
- Sound Level: 15 dB(A)
Highlights & Features:
- Exceptional Heat Yield: Achieves 221% efficiency in normal climate conditions for rapid heat‑up.
- Low Standby Losses: Minimises heat loss when solar input is low, reducing auxiliary energy use.
- Whisper‑Quiet Operation: Ultra‑low noise level (15 dB) for seamless integration in any setting.
- Safety‑First Design: Requires installation of a pressure‑safety valve and electric thermostat to prevent overheating.
- Robust Construction: Engineered to comply with EN 12976 & ISO 9806 standards for long‑term reliability.