How to choose a pump for the pool: selection rules and classification

When installing a pool in the country, you must remember that not only people like to splash in the water. This is an excellent environment for the life of microbes, algae, for the reproduction of mosquitoes. And you can’t let them go there only in one way: by constant filtration and purification of water. Of course, inflatable children's pools do not need additional equipment. Of these, it is easier to pour water into the garden every day, rinse the case and fill in fresh liquid. But the larger the bowl, the more difficult it is to care for. No one will change tons of water daily or even weekly, because you still have to figure out where to put them. Therefore, the main care is “laid on the shoulders” of the filtration system, the operation of which is ensured by the pool pump. Without it, you will not achieve the purity and safety of the water structure.

How many pumps must be used?

The number of pumps depends on the design of the pool and its capacity. As a rule, manufacturers apply one filter pump for a pool to inflatable and frame constructions with a large volume of a bowl.

The pump pumps water through all the cleaning and heating systems, so its capacity should be enough for a full revolution of the liquid in 6 hours

Stationary bowls that are used frequently or year-round require multiple pumps. The main unit is responsible for filtering, another - creates a counterflow, the third - starts the ultraviolet installation, the fourth includes fountains, etc. The more relaxation zones in the pool, such as a jacuzzi, massage stream, the more pumps are used.

Water Pump Classification

All pool pumps can be divided into 4 groups:

  • self-priming;
  • conventional suction circulation pumps;
  • filtering;
  • thermal - for heating.

Self-priming pump - the heart of the pool water system

These pumps are installed above the pool, because they can pump water and raise it to a height of about 3 meters. The main function is to provide water filtration. As a rule, a pump is included in the set of filtering equipment, because the performance of its mechanism and the filter mechanism must match. If the pump turns out to be “stronger”, then it will “drive” water into the filter too quickly, forcing it to work with overloads. At the same time, the quality of cleaning will decrease, and the filter element will quickly fail.

The main pump of the pool is responsible for the quality of the filtration, so select its capacity taking into account the volume of the bowl

A self-priming pump moves the water in a circle: it directs the dirty to the skimmer, and then to the filter. And already the purified liquid returns to the bowl again. The unit itself also has a filter, but it only performs preliminary cleaning, without missing large items such as toys, bottles, etc.

Centrifugal pump connected to the entire filter system of the pool

With constant use of the home pool, a spare pump is usually installed, which will be launched in case of unforeseen breakdown of the main one. It is not recommended to place the backup mechanism in line with the main one, as it can cause increased hydraulic resistance. The best option is to lock in parallel with the main unit. True, this method is quite laborious, because it is necessary to foresee this possibility already at the stage of the construction of the bowl. But its launch when the main system is turned off will take a very short time.

For the main pumps, it is no coincidence that a self-priming system was invented. It reduces the likelihood of blockages and simplifies the operation of the unit.

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Important! Although the instructions for the self-priming pump indicate that it is capable of functioning above the water level, but the higher you raise the system, the more it will have to spend energy on raising the liquid. Overloads are disadvantageous neither to the pump, nor to you, therefore it is recommended to lower it into the basement in indoor pools.

If the building is in the fresh air, then, of course, there is no basement under it. In this case, you can hide the pool pumps in special containers made of thermoplastic. The rest of the equipment is also placed there (transformer, control unit, etc.). Such containers are available in two versions: submersible (they are hidden under the lawn, keeping free access to the lid at the top) or semi-submersible (they are not completely hidden in the ground). The first option is convenient because it does not take up space and does not affect the landscape. The second is easier to maintain equipment.

Pool water pumps do not use steel. It is too susceptible to corrosion under the influence of chemically active disinfectants (chlorine, active oxygen, etc.). Steel cases and mechanisms are allowed only in structures where water is not treated by any means, but is cleaned with ultraviolet installations. In the remaining pools, pumps are made of high-strength plastic or bronze. They are not affected by any reagents. True, if you were planning to create a salt water pool (and this happens!), Then plastic is not suitable, because salt will be deposited on it. The only option left is bronze.

Normal suction circulation pump

To help the main pump, simpler units are selected that perform local tasks - to carry out the movement of water in a specific place in the pool, for example, to create a fountain, bubbles in a jacuzzi, etc. To saturate the water with ozone, it is necessary to suck a part of it into the ozonizer, and then enriched it, release back. And this task is also performed by the circulation pump for the pool.

Normal suction pumps circulate water and operate fountains, a jacuzzi, slides

Such units must be selected taking into account the "bells and whistles" in the design of the pool. To create a counterflow and water circulation, which helps to evenly distribute chemical disinfectants throughout the bowl, it is enough to buy a low-pressure pump. If the system of water attractions - slides, fountains, etc., is conceived, then a high-pressure model with a capacity of over 2 kW is needed.

Filter pump: for mobile collapsible pools

When buying frame or inflatable models, the summer resident in the kit also receives a pump for cleaning the pool. It simultaneously performs the function of a pump and a filter that cleans water from debris. Such systems are designed for several summer seasons or approximately 2 thousand hours of operation. They require systematic cleaning and replacement of filter elements. It should be remembered that filter pumps are able to remove only suspended particles that do not have time to settle to the bottom. So, it is necessary to select a pump, the performance of which corresponds to the volume of the bowl. If there is not enough power, the dirt will settle to the bottom, and you will have to drain all the water to remove it.

Filter pumps are used in seasonal pools, as they have a service life of about 3 seasons

Heated pumps: extend the swimming season

Owners who want to use the outdoor pool almost before the winter will need heat pumps for the pools . These units heat water using an indoor unit, lowered directly into the bowl. The outdoor unit remains at the top and can operate as an air conditioner or air heater in gated pools. This heating method is cheaper than gas heating, about 5 p. In addition, the heat pump for the pool has a long service life of over 20 years, which is important for the stable functioning of the water structure.

Heat pumps can heat water up to 40 degrees

A pool pump is like a heart to the body. The safety of water, and therefore the health of the owners, will depend on uninterrupted operation.

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