| 摘要 |
<p>A cold water distribution system for a multi-storey building has a lower accumulator 16 provided in the building on a lower floor 10 thereof and an upper accumulator 27 provided on an upper floor 11 of the building. A water inlet pipe 12 leads from an external mains water supply into the building and is connected to the lower accumulator 16 through an inlet non-return valve 14. A riser 23 leads from the lower accumulator 16 to the upper accumulator 27 and is provided with respective lower and upper non-return valves 19,26 adjacent the outlet from the lower accumulator 16 and the inlet to the upper accumulator 27. An electrically-driven pump 21 is provided in the riser 23 to pump water to the upper accumulator 27 and a water distribution pipe 28 is connected to the upper accumulator for supplying cold water to at least the upper floor of the building. <IMAGE></p> |
