| 摘要 |
Opening the hinged flap (4) exposes the spray nozzles and turns on the water. A heater unit (6) mounted on the stand-pipe (1) is supplied by the inlet pipe (5). Warm water flows to the sprays through the pipe (7). Used water drains from the waste pipe (2). Heater elements protect an outdoor installation from frost. Other elements connected in cascade raise water temperature to about 25 degrees Celsius. One or more elements are used as necessary. Only one has a fine temperature regulator. A separate overheat cut-out does not interrupt water flow.
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