AQUATECH CAN165BM-75 Handmatig - Pagina 8

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Total amount of iron to be removed between regenerations -

EXAMPLE: 5

Before Installation

INSPECTION AND HANDLING

Inspect the equipment for any visible shipping damage. If damaged, notify the transportation company and request a damage

inspection. Damage to cartons should also be noted. Handle the filter unit with care. Damage can result if dropped or if set on

sharp, uneven projections on the floor. Do not turn the filter unit upside down.

NOTE:

If a severe loss in water pressure is observed when the filter unit is initially placed in service, the filter tank may have

been laid on its side during transit. If this occurs, manually backwash the filter to "reclassify" the media.

IRON (Fe)

Iron concentrations as low as 0.3 ppm will cause staining. The iron concentration, together with the flow rate demand and the

consumption rate of the water determines the basic size filter system. The higher these factors are, the larger the required

system. The Filter system is capable of filtering out the three main types of iron found in water supplies: Soluble iron (also known

as "clear water" or ferrous iron), precipitated iron (also known as "red water" or ferric iron) and bacterial iron (also known as iron

bacteria). There is no apparent upper limit of iron concentration for the filter, but special care must be taken when selecting a

filter model if your water has a combination of high iron, very low pH and/or manganese.

MANGANESE (Mn)

The presence of manganese can be bothersome, even for a chemical free iron filter. As little as 0.05 ppm of manganese can

produce a brownish or black stain. If manganese is present in your raw water consult your Independent Water Tech

representative for further recommendations.

The pH of water measures its acidity or its alkalinity. Water with a pH of less than 7.0 is acidic, above 7.0 it is alkaline, and a pH of

7.0 is neutral. The lower the pH value is below 7.0 the greater the acidity, and the higher the pH value is above 7.0 the more

alkaline. Acidic water (pH less than 7.0) is corrosive to pipes, appliances, etc. A pH of 7.0 or higher facilitates iron removal If the

PH of your raw water is below 7.0 please contact your Independent Water Tech representative for further recommendations.

TANNINS (Humic Acid)

Tannins (also known as humic acid) which are present in some water supplies, are the result of decaying vegetable matter. If the

tannin concentration is above approximately 0.5 ppm, it will form a sticky coating on the media, thus rendering it incapable of

filtering the iron. A chemical free iron filter is not recommended under this condition. If the tannin concentration is less than 0.5

ppm, a chemical free iron filter may be installed however the life expectancy of the media bed will be shortened due to the tannin

coating the media.

÷ ppm of iron to be removed per day

= NUMBER OF DAYS BETWEEN REGENERATIONS

people in the household

x 75

gallons of filtered water per person

= 375

gallons of filtered per day

x 4

ppm of compensated iron - 4 is the minimum setting of compensated iron

= 1,500

PPM OF IRON TO BE REMOVED PER DAY

6,000

ppm capacity ÷ 2 to ensure adequate reserve capacity

÷ 1,500

ppm to be removed per day

= 4

DAYS BETWEEN REGENERATIONS