AQUAPHOR S550 Operation Manual - Page 8

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Installing a softener

The water softener must be connected in accordance with

local plumbing regulations.

To connect the softener, it is recommended to contact the

Aquaphor service department or Aquaphor regional dealers.

The connection, setup and operation of the device must

be carried out within the limits of operation specified in

this manual. Failure to comply with the requirements of

the manual can reduce the effectiveness of flushing and

lead to improper operation of the softener and its failure.

Before installing the softener, check the quality of the

water and the parameters of the water supply, power

supply and sewerage:

Water quality

Undissolved impurities

If the source water contains sand, sulfur, micro-organisms,

algae, oils or other impurities, the water must be pretreat-

ed.

We recommend installing an Aquaphor pre-filter.

Iron

The concentration of dissolved iron should not exceed

7 mg/l for the S550 softener, and it is also important to

know what form it is in.

• divalent iron (often referred to as "dissolved iron") –

The only form of iron that can be removed by the

S550 softener.

• ferric iron (undissolved iron) – Precipitation of iron

hydroxide. Particles of such iron can clog the ion ex-

changer layer. Trivalent iron must be filtered before

water is supplied to the softener.

Mode 96h. When this mode is enabled, regeneration occurs once every three to

four days (72–96 hours) if there is no regular regeneration during this period of

time. This is necessary so that the dissolved iron extracted from the water does

not precipitate inside the softener. If there is dissolved iron and / or manganese

in the source water, the 96h mode must be turned on.

Time of day indicator. Displayed when the system is set to the time of day.

Regeneration time indicator. The dial with the symbol R is displayed if the time

of day is set for the regeneration process.

Enhanced regeneration indicator from iron is displayed when the function is active.

• iron in organic compounds – a dissolved form of

iron associated with organic compounds, usually hu-

mic or folic acids. Water containing iron in this form

is usually colored brown ("peaty water"). Additional

equipment is needed to remove this form of iron.

If the water contains ferrous iron, it is recommended to

flush the softener with an ion exchanger cleaner every

6 months. Follow the instructions given in the ion exchang-

er cleaner data sheet.

Manganese

The manganese content should not exceed 3 mg/l.

ATTENTION! The total content of iron and manganese

should not exceed 7 mg/l.

The pH of the water must be greater than 6. If the pH

of the source water is less than 6, it is recommended to

install a corrective pH filter.

Hardness of water

Model S550 softens water with hardness up to 17 mg-eq / l

(840 mg/l in terms of CaCO

Water supply parameters

Water pressure should be within 0.14 to 0.7 MPa (1.4 –

7 bar). For stable suction of the brine during regeneration,

it is recommended to supply water with a pressure of at

least 0.2 MPa (2 bar).

Plumbing performance

The minimum required flow for regeneration is 9 l in

a minute.

Water temperature not less than +5 and not more than

+38 °C.