Technical Specifications of MEGASUN 120-Litre Indirect Flat Plate Solar Water Heater
- Nominal Storage Capacity: 120 L (actual drum volume 110 L)
- Thermal Efficiency (Normal Climate): 134 %
- Annual Electricity Consumption (Normal Climate): 766 kWh
- Energy Rating: A+ (per EU Reg. 812/2013)
- Heat Loss Coefficients: First‑order a₁ = 3.36 W/(K·m²), Second‑order a₂ = 0.024 W/(K²·m²)
- Solar Collector Window Area: 1.80 m²
- Sound Level: 15 dB(A)
Highlights & Features:
- Low Standby Losses: Minimises heat loss when solar input is low
- Quiet Operation: Ultra‑low noise (15 dB) for seamless home integration
- Built‑in Safety Valve Requirement: A pressure-safety valve (and electric thermostat) must be installed to prevent overheating
- Robust Construction: Designed for long‑term reliability and compliance with EN 12976 & ISO 9806 standards
