Technical Specifications of MEGASUN 200‑litre Indirect Flat Plate Solar Water Heater
- Nominal Storage Capacity: 200 L (actual drum volume 195 L)
- Thermal Efficiency (Normal Climate): 171 %
- Annual Electricity Consumption (Normal Climate): 600 kWh
- Solar Collector Window Area: 2.33 m²
- Zero‑Loss Collector Efficiency (η₀): 73 %
- First‑Order Heat Loss Coefficient (a₁): 4.88 W/(K·m²)
- Second‑Order Heat Loss Coefficient (a₂): 0.013 W/(K²·m²)
- Sound Level: 15 dB(A)
Highlights & Features:
- Superior Heat Yield: 171 % efficiency in normal climates for maximum solar gain
- Low Standby Losses: Minimises heat loss during off‑sunshine periods
- Quiet Operation: Whisper‑quiet performance at just 15 dB(A)
- Safety First: Requires installation of a pressure‑safety valve and electric thermostat to prevent overheating
- Durable Design: Built to meet EN 12976 & ISO 9806 standards for long‑term reliability