05.02.2012 / 19:27


Swimming & Whirl Pools



Private swimming pools

Selection

Open-air pool
The choice of the location is particularly important.A sunny, southerly location protected from wind and view is ideal and, wherever possible, it should be close to the house, so that the technical equipment can be accommodated without expensive additional building work. Consideration should also be given to whether the pool might later be enclosed to create an indoor pool. The ground properties are very important. How high is the ground water level, can rain or flood water get into the pool, and how can this be avoided? High wind speeds promote evaporation, water loss and especially energy loss. The longest possible exposure to the sun increases energy, and also makes swimming enjoyable during the evening. Trees or bushes in the immediate vicinity cause contamination, as do sandy paths leading to the pool. Since some exposure to wind cannot be entirely prevented, the main wind direction should be taken into account: The facing wall of the pool equipped with the surface cleaner should point against the main wind direction, so that the wind assists the flow in the pool (provided by the inlet nozzles).
A footbath with shower is also an advantage, as well as a non-slip surrounding border approx. 1 m in width, with a slightly outward-sloping incline, so that no dirty water can flow into the pool.

Indoor pools

The normal construction is an indoor pool built onto the house or integrated into the house itself.
It is advisable to fit large sliding doors opening onto the garden that can be opened during the warm, summer months, in order to create a pleasant, open-air pool atmosphere. Water evaporation from the pool surface cannot be entirely avoided, and should therefore be taken into account when designing the pool. Temperatures below the dew-point and consequent formation of condensation will damage components. Good insulation will prevent too sharp a temperature drop on interior surfaces, thereby helping to prevent temperatures falling below the dew-point. This often makes higher air humidity in the pool enclosure acceptable, and also considerably reduces evaporation.
Very high evaporation again means "energy loss" (in the water itself) and causes further energy costs either due to the heating of fresh air supplied or the increased output of dehumidification systems (e.g. air-conditioning system). In the case of large, glass sliding doors and other outer walls with relatively high heat transmission levels, the circulating air-conditioning and static heating elements should be positioned so that they are exposed at these points to warmed and dehumidified air, in order to counteract the formation of condensation. Circulating air dehumidification units are commonly used and prevent unnecessary energy losses, the electrical energy used for operation serving as an additional source of heat.
And again: even in an indoor pool, the edge of the pool should be designed so that waste cleaning water cannot get into the pool. If the water level of the pool lies below that of the pool surround (in the case of the surface cleaner or with an internal overflow channel), the pool surround should be inclined slightly to the outside, and provided with separate outlets to the drainage system. In case of an overflow channel at the same level as the pool surround, this can also serve for the drainage of the pool surround, if the channel collector pipe leading to the JUDO compensation container is designed so that during cleaning (with the filter system switched off), an outlet to the drainage system can be opened, preventing the entry of dirty water into the circulation system.




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