9
10.
MAINTENANCE
Due to the Reverse Polarity system that avoids scale in the plates of the cell, the first action to consider for
ensuring a long cell lifetime is to keep the chemical parameters always in the recommended range, especially
the amount of salt, the pH and the water hardness.
1.
Keep the salinity of the water always higher than 3000 ppm in order to avoid premature deterioration
of the cell plates. The following formula determines the amount of salt to be added in the pool due to low
salinity:
Q = (4-S) x V
Where Q = quantity of salt (kg) to be added.
4 = correct salt concentration (constant).
S = Measured salt content in the pool
V = Volume of the pool in m3.
2.
Keep the pH between 7.2 and 7.6. Check and clean the cell plates if the system has been working for
a prolonged period with a pH value over 7.6.
ELECTROLYTIC CELL CLEANING PROCEDURE
If scale has formed on the titanium plates, the first cleaning procedure is as follows:
1 .
Switch off the power supply of
SSCmini
®
control unit and remove electrodes from the cell.
2 .
Once removed, look inside and inspect for scale formation on the plates and for any debris which
has passed through the filter and caught on the plates.
3.
Try to remove the scale using a plastic or wooden tool (do NOT use metal as this will scratch the
coating off the plates).
If the scale still remains on the plates, proceed the cell cleaning with acid solution:
1.
Dilute hydrochloric acid with water: one part of acid in 10 parts of water.
ATTENTION! Always add acid into the water, NEVER add water into the acid. This prevents splashing
of the acid when the water hits it. Wear rubber gloves and appropriate eye protection.
2.
Submerge the cell plates in the solution for no more than 10 minutes. Plates plastic housing can be
submerged in the solution, but avoid any contact with the cell connections and wires.
3.
Rinse the cell with a high pressure hose. If any deposits are still visible, repeat soaking and rinsing.
4.
If scaling persists, replace the cell by a new one.
11.
WINTERIZING
During a long non-working period, such as winter, the following procedure must be carried out:
Switch off
SSCmini
®
control unit and disconnect it from power supply.
Drain all water from the electrolytic cell, as well as filtration pump, filter and piping.
Clean the cell plates with fresh water and dry them with a soft cloth. Check if scaling has been
formed. If so, proceed with cleaning of the cell plates (see chapter 10).
Содержание SSC mini
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