Self-cleaning Systems

The bottom of the pool is fitted with a series of jets. These jets would push the dirt from the shallow end to the deep end, each jet sweeping the dirt toward the deepest part of the pool where the main drain would suck it into the filter system. The jets are connected to a diverter at the circulation equipment area. As the water leaves the heater destined for the pool, it passes through the diverter which sends it to the floor jets on the shallow end first, then the deeper jets, and so on. In this type of system it is presumed that the dirt will come loose from the floor by these jets and not stick to the floor, and also the dirt will be only of the finer type that will not clog the main drains. Last, it assumed that these jets, would equally cover all areas of the bottom. Obviously, the jet sweeping action is greatest near the source, then gets progressively weaker as the jetstream moves outward, resulting in uneven cleaning. Some times the water pressure may not be strong enough to power such a system.

This design creates stress on the entire plumbing and equipment system. When the diverter switches flow from one set of jets to the next, the whole circulation gets restricted or closed creating backpressure and stress on the entire system, since this happens three to four times a minute.

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