摘要 |
A thermal store system for a water heating system comprising a primary thermal store containing a primary volume of water adapted to be heated by a primary heating means, said primary thermal store being in thermal communication with a central heating supply flow and a central heating return flow, a secondary water heat exchanger in thermal communication with the primary volume of water, the secondary water heat exchanger having a water feed flow and a water outlet flow for supplying hot water, at least one of said central heating return flow and/or said water feed flow being in thermal communication with at least one further thermal store, upstream of said primary thermal store, said at least one further thermal store containing a medium adapted to be heated by at least one supplementary heating means. |