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Astralpool Vattenfilter Delta

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SAND FILTERS

FILTRES À SABLE

FILTROS DE ARENA

FILTRI DI SABBIA

SANDFILTER

FILTROS DE AREIA

FILTRY Z PIASKU – FILTRY ZWOJONE

INSTRUCTIONS AND OPERATION MANUAL

MANUAL D’INSTRUCTIONS ET DE FONCTIONNEMENT

MANUAL DE INSTRUCCIONES Y FUNCIONAMIENTO

MANUALE DI ISTRUZIONI E FUNZIONAMENTO

ANWEISUNGEN- UND OPERATIONSHANDBUCH

MANUAL DE INSTRUÇÕES E FUNCIONAMENTO

INSTRUKCJA OBSŁ ŁUGI I DZIA ANIA

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"In order to archive optimum performance from your lter, please see the following instructions".

1. CHECK THE PACKAGING

Check that the filter and all its components are in good condition after transportation.

There is a box with the filter, which contains pressure gauges, along with other accessories. There will also be a guarantee and test certificate.

2. GENERAL SPECIFICATIONS

Filters are the most important part of a water filtration system, and their function is to remove suspended solids and clarify the water.

The effect of correct filtration will influence the results of disinfectant process.

The principle of filtration involves retaining the suspended particles that the water tries to carry with it through the filter sand bed.

The water treatment process involves a range of equipment besides filters, such as; pumps, chemical dosing, pool shell fittings, which ensure the correct

suction and return of water, which with the rest of the equipment ensures the correct circulation and maintenance of the water quality.

Whilst standards are approaching homologation throughout Europe, each country normally has its own standards, regulations or recommendations

governing private and public pools, and installers should adhere to these when designing and installing any system. All designs and all materials used must

meet the relevant standards.

The filtration quality may depend on different factors: Design of the filter, type of collector used - collectors or nozzles, media bed depth, specifications and

density of the filtering material, etc. At the same time the filtration velocity is a determining factor when seeking good quality filtration and a velocity of no

more than 40 m/h is recommended.

Filters are manufactured from polyester resin and glass fibre materials, which have excellent anticorrosive properties. The interior includes a collector and

diffuser made from PVC and PP plastic. They are also resistant to salt water.

The special layer of isopthalic resin on the interior of the filter gives it maximum durability against wear and tear and abrasion. Filters may also

manufacturated on request with a lining, wich is resistant to most chemicals including ozone.

3. IDENTIFICATION OF COMPONENTS

According to the model, the components might change in size or position or could not be present.

1. Air relief valve.

2. Lid for addition of media, and inspection

3. Air relief

4. Reinforced polyester and fibre glass tank

5. Dirty water inlet

6. Clean water outlet

7. Water collector system (collector arms or nozzles)

8. Reinforced polyester and fibre glass base

9. Sand discharge cap and water drainage

10. Assembly lid

11. Filtration media

12. Sight glass

13. Water diffuser system

14. Eyebolt to transport the filter (only for use when the filter is empty)

15. Pressure gauge

Collector arms Nozzles

IMPORTANT: The instruction manual that you have in your hands contains fundamental information on the necessary security measures which need

to be adhered to when installing and commissioning the filter. It is therefore essential that both the installation engineer and the end user read these

instructions before proceeding any further.

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4. IDENTIFICATION OF COMPONENTS

In order to achieve successful installation it is important to consider the following points:

• In order to backwash the filter, the system of pumps and filters must combine to obtain the necessary flow, which can be from 40 - 50m/h lateral

models, and up to 60 m/h for nozzle plate models.

• To scour the filter with air (nozzle plate models or models with double laterals) it will use one or more air blower or capable of supplying air at a

velocity of 60 m/h at 300 mbar. Never use a compressor because damage could occur due to excessive pressure.

• It is advised to install the filters below the level of, and as close to the pool as possible.

• The plant room where the filters are installed should be well ventilated and have the necessary drainage channels available to allow escape of water,

should a pipe, filter or pump leak in the case of an accident, preventing damage to any equipment. If it is not possible to install such drainage

measures, then an alternative automated system (e.g. submersible pumps) should be installed for water removal.

5. INSTALATION

Filters are delivered packaged and palleted, due to their weight and volume. This can make them difficult to manoeuvre around the building site and to

install therefore it is recommended to transport them by fork lift, crane etc.

Filters are made of plastic, and although they are designed to resist internal pressure, they can be susceptible to external damage. It is important to ensure

that the filter does not receive any external knocks during installation or operation that could damage the base, the tank or any connections.

Always use suitable plastic connections and ensure they are fitted with suitable supports and are not forced, or under stress.

The media must only be loaded once the filter is placed in its final position, following the instructions stated at the “Starting up” paragraph.

Filters, like other items of the facility, will need regular checks, so it is essential to leave a suitable working clearance above and around the filter. (Fig. 1)

Fig. 1

Correct installation of the filters:

• Place the filters in their designated position, and ensure that they are stable

and the floor is perfectly flat. (Fig. 2)

• Assemble the valves on the filters, ensuring they are not stressed. Remember

that the water-tightness of the unions is achieved with seals and gaskets, so

do not over tighten the bolts. Do not use Teflon (PTFE) tape.

• Install adequate battery/pipe supports and adjust their height accordingly.

• Connect the valves to the pump discharge pipes, the return pipes to the pool

and to the waste drain.

Fig. 2