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AQUA SALT EVO

MAINTENANCE AND INSTRUCTION MANUAL

Salt chlorine generator

ENGLISH

ADSP7000753

rev. 2.0

23/04/2019

54/96

1.3.2

Electrical

techniques

•

Plate short-circuit and device overheating protection

The system is equipped with a block chlorine production protection that activates in case of a short-circuit on
the titanium plates of the electrolytic cell. It also has a protection to save the device from internal overheating.

•

Maximum efficiency of the electrolytic cell

The voltage/current control on the plates of the electrolytic cell makes them work always in the highest
efficiency range (current density between 30 and 40mA/sq. cm) even with salt concentrations higher than
those present in the previous table. This guarantees a longer useful life to the electrolytic cell.

▪

Environment operating temperature: 0 ÷ 45 °C

▪

Packaging and transport temperature: -10 ÷ 50 °C

▪

Protection degree: IP65

2 Aqua salt EVO
description

A salt chlorine generator

is a device that produces chlorine to

disinfect

pool water through an electrolytic reaction that produces

sodium hypochlorite from an aqueous solution of sodium chloride

(common

cooking salt

). This way, you will no longer have to buy,

handle or store the common chemicals for pools (sodium

hypochlorite, trichloro, dichloro). You will only have to add a certain

amount of salt, depending on the size of your pool, until reaching a

concentration between

2.00-4.5 g/l

( 2,000-4,500 ppm).

After

disinfection, sodium and chlorine will naturally tend to re-join to form

salt. Therefore, the initial dose of sodium chloride is continuously

recycled and reused. Potential loss can be caused by water additions,

reflux or drainage.

2.1

Functioning

General information:

chlorine production takes place only if a

stabilized water flow

goes through the

cell with a

pressure equal to or greater

than 0,5 bar (see figure below). When this occurs, chlorine

generated is directly proportional to the current of the cell, whose electrodes have a constant potential
difference. In its turn, the current depends on the concentration of salt in the water, and on the
disposition of the electrodes. The electrolytic cell works with a series of cycles of 15 minutes. Each cycle
is composed by an alternation of

ON/OFF

phases whose duration is proportional to the set chlorine

percentage (Internal or External timer mode) or proportional to the measured value of chlorine or Redox
(proportional operating mode). Chlorine generation is periodically interrupted to switch the electrode
polarization, which maintains stable performance and prevents limescale from depositing on the surface
of the electrodes. After a programmable polarization time (

from 1 to 16 hours), the “Clean” phase will

start. This lasts 10% of the set polarization period. At the end of this phase, before resuming chlorine
generation, the polarity of the electrodes is switched again. The activation can be done as follows:

•

External timer

: in this case, the electrolytic cell generates chlorine when it is electrically

supplied. It is sufficient to power the device through a timer of the pool, by a timer (time switch)
or directly via the circulation pump and set the desired percentage of production of chlorine.

1.3.1

Performance

Model

Produce

chlorine

(g/h)

Pool

dimensions

(cu. m)

Salt

level

(g/l)