Table of Contents
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Table of Contents
Summary of Contents for Aquant BWT Series
- Page 1 ENGLISH Top-mount Sand-Filter for Swimming Pool Installation Manual...
- Page 2 ENGLISH What happens to the water in your pool? This should be a question of prime consideration for all pool owners. In the past some pools did not use filtering systems, the owner was faced with the problem of refilling the pool with clean water when this became necessary. Refilling the pool was laborious;...
- Page 3 ENGLISH pH LEVEL The pH level is an indicator of acidity or alkalinity present in the water. The neutral value is 7.0 pH. From 0 to 7 are the levels of acidity whilst from 7 to 14 are those of alkalinity. The pool usual readings vary between 6.8 and 8.4. Why pH is important? “THE IDEAL PH VALUE IN A POOL SHOULD BE BETWEEN 7.2 AND 7.6”.
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Page 4: Working Principles
ENGLISH A quantity of chlorine that is added to the water (in excess of that needed to destroy bacteria and oxidize organic material) remains free to combat new bacteria introduced by bathers or atmospheric agents. This chlorine remaining in the water is known as free residual chlorine. FILTRATION It is essential that the filtration is accompanied by chemical treatment of the pool water. -
Page 5: Installation
ENGLISH Once in the filter, the water is circulated downwards through silica sand and suspended particles are retained. The filter sand needs to be washed at intervals to remove the particles it has retained backwash. This is achieved by reversing the flow through the filter and directing the water containing the dislodged particles to drain. - Page 6 ENGLISH 3.- In case of a filter with top valve, install the selector valve on top of the filter with the clamp. Make sure that the joint between the valve and the filter are correctly placed. 4.- Perform the three connections of the selector valve: pump piping to the valve, valve to the waste drain and valve to the pool return.
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Page 7: Filtration Process
ENGLISH 1.- Take off the clamp and the valve with the gasket. 2 - Cover the opening of the inner pipe in order not to drop sand inside it. 3.- Fill the filter with water to half capacity. 4.- Pour the required quantity of sand inside the filter. 5.- Clean the seating of the gasket joint. - Page 8 ENGLISH 0.8 kg/cm² - 11.4 PSI: 1.3 kg/cm² - 18.5 PSI: This Normal pressure at the pressure indicates that it is beginning of a filtering necessary to “BACKWASH” cycle. BACKWASH Each load of sand forms thousands of channels which pick up all the material contained and caught up in the filtering process, the number of free channels allowing the water to pass is continually decreasing.
- Page 9 ENGLISH RECIRCULATE In this position, the selector valve allows the water from the pump to go directly to the swimming pool without passing through the inside of the filter. REEIRCULATE ZIRKULIEREN CIRCULATION CIRCULACION RICIRCOLO WASTE If the swimming pool needs to be drained, this can be done using the filter pump.
- Page 10 ENGLISH RINSE After the carrying out the ”BACKWASH” operation on the filter and placing the installation RINSE in the “FILTRATION” position, the water flowing NACHSPULEN into the swimming pool will be cloudy for a few FILTRE-EGOUT seconds, so to prevent it from reaching the ENJUAGUE swimming pool there is a “RINSE”...
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Page 11: Maintenance
ENGLISH START-UP When the filter has been loaded, the sand must be washed. Proceed as follows: 1.- Place the selector valve in the " BACKWASH " position. 2.- Open the valves controlling the swimming pool suction pipes and run the pump for 4 minutes. - Page 12 ENGLISH Remove the water from the filter. Take off the lid to ventilate the filter in the period of inactivity. When you need to start up the filter again after a period of inactivity, follow the instructions stated in the paragraph "START UP". The most common PROBLEMS EFFECT POSSIBLE CAUSE...
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Page 13: Safety Warnings
ENGLISH *If there is no arrow, the direction of the motor can be checked as follows: Stand in front of the pump, i.e. where the inlet pipe is situated (with the motor behind). Make sure that the direction of the motor is counter clockwise. SAFETY WARNINGS Never start up the system without water. - Page 14 ENGLISH Installation Manual Equipped with a 6-position multiport valve that easily controls the operation and maintenance of the filter. The filtration sand with 0.4-0.8 mm grading guarantees a perfect filtration for years. Fitted with corrosion-proof collectors and diffuser that enhance the capacity of filtration.
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