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The system installed at Birchwood Hotel comprises 10 x 38kw Alliance Heat Pumps connected to 4000-litre boilers. Installed by Magnet Group, based in Durban, the Alliance Heat Pumps can produce 1000 litres of hot water per hour. A ring main system supplies instant hot water to taps/showers.
Requirements for this 94-room hotel were that the system could re-heat 5000 litres of existing storage within a period of 6 hours during winter. 3 x 38.5kW Alliance Heat Pumps were installed by Solar Heat Exchangers, providing a hot-water volume of 7500 litres, and drastically cutting electricity usage.
The brief was to design and install a 20 000 L hot water system for this new hotel. The design was done by WSP and installed by Solsquare: 2 x 10 000 steel storage vessels with electrical back-up, heated by 5 x 42 kW Alliance Heat pumps. The project was completed in 2016.