235 The ECH2O thermal store range thermal store: additional hot water comfort Combine your monobloc with a thermal store to achieve the ultimate comfort at home. J Fresh water principle: receive domestic hot water on demand while eliminating the risk of contamination and sedimentation J Optimal domestic hot water performance: the low temperature evolution enables high tapping performance J Fit for the future: possibility to integrate with renewable solar energy and other heat sources, e.g. fireplace J Lightweight and robust build of the unit combined with the cascade principle offers flexible installation options Built for small and large homes, customers can choose between a pressureless and a pressurised hot water system. Efficiency J Fit for the future: maximise renewable energy sources J Intelligent Heat Storage Management: ensures continuous heating during defrost mode, and uses stored heat for space heating J High-quality insulation keeps heat loss to a minimum Reliability J Maintenance-free tank: no corrosion, anode, scale or lime deposits, and no water loss through the safety valve ON ON Drain-back solar system Pressurised solar system Pressureless (drain-back) solar system J The solar collectors are only filled with water when sufficient heating is provided by the sun J The pumps in the control and pump unit switch on briefly and fill the collectors with storage tank water J After filling, water circulation is maintained by the remaining pump Pressurised solar system J System is filled with heat transfer fluid with the correct amount of antifreeze to avoid freezing in winter J System is pressurised and sealed Utilisation of solar energy for domestic hot water and central heating Heat pump (environmental heat) Auxiliary energy (electricity) 2,500 2,000 1,500 1,000 500 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec kWh Monthly energy consumption of an average detached house 2 3 4 1 System diagram: Integrated solar unit 1 Use of solar energy for domestic hot water and central heating 2 External heat pump unit 3 Solar thermal collectors 4 Solar pump station
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