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The LM2 functions only operate during the filtering process.

For an outdoor pool,

run the pump + chlorination system for 6 to 8 hours

per day. To reduce the effect of UV reduction of chlorine it is preferable to
run it at the end of the day or early in the morning when it is cooler.

During very hot periods,

it can be necessary to increase operation time 

to approximately 10 hours per day.
If the filtering system has to be in operation for more than 10 hours per
day (in particular during the period when the temperature rises, when
there is a heating system), it can be necessary to reduce the production
level (button E) so as to avoid over-chlorinating the pool.

In winter,

operation time should be reduced to 2-3 hours or the system 

is stopped completely and the pool is closed down for the winter, 
so as to prolong the life-span of the electrodes.

For indoor or covered pools,

these standard times should be heavily 

reduced or the production of chlorine lowered to avoid excessive chlorine
levels.

To be sure that your chlorinator is operating at its optimum, 
the water balance must be regularly checked and maintained :

Salinity

4 kg of salt per m

3

pH

7.2 to 7.6

Chlorine stabiliser

40 to 75 g per m

3

TAC, total alkalinity

8 to 12° (French)

Free chlorine

1.5 to 3 ppm

TH

10 to 30° (French)

You can modify this by changing the operation time or varying the hourly 
production (button E).

From time to time extra salt is necessary. The best times are just before
the summer or when you start up the system after a prolonged stoppage.

> First of all you should analyse the salt level.

> Turn off the chlorinator before adding the salt.

> Add boiled salt at 99.9% to attain a concentration level of 4 g/litre.

> A bag of 25 kg of salt increases the concentration level by 0.5 g/litre 
for a pool of 50 m

3

.

> Add a maximum of 2 bags of 25 kg at a time.

> For the salt directly into the swimming pool and not into the skimmers.

> Run the filtering system for 4 or 6 hours to disperse the salt, 
but 24 hours are necessary for it to be completely dissolved.

> Repeat the operation if you have not obtained the ideal level 
of concentration.

Only now can one restart the chlorinator.

Usage 

recommendations

Filtering times

Water balance

• Free chlorine level

• Salinity

Summary of Contents for ClearWater LM2

Page 1: ...instructions carefully before installing and using it c o n t e n t s How does your CLEARWATER system work 13 The controls on your CLEARWATER system 13 Indicators and buttons 13 Installation Installat...

Page 2: ...to right maximum Press it once more and it goes back to the minimum G Super chlorination Used for rapidly increasing the chlorine in the swimming pool on a one off basis To do this leave the filter p...

Page 3: ...rsal cycle is 5 8 hours C Super chlorination Indicator lit up this is indicating that the super chlorination function has been selected It will go out as soon as the super chlorination process has fin...

Page 4: ...efore re starting the pump and the CLEARWATER system Fix the control box to a wall within 1 5 m from the cell and 1 2 m above the ground respecting safety regulations in terms of the distance from the...

Page 5: ...at your chlorinator is operating at its optimum the water balance must be regularly checked and maintained Salinity 4 kg of salt per m3 pH 7 2 to 7 6 Chlorine stabiliser 40 to 75 g per m3 TAC total al...

Page 6: ...linity value measured at least 24 hours afterwards is back down to between 8 and 12 French It is preferable for correct operation that the TH be no higher than 30 Fr 300 ppm To soften the water use th...

Page 7: ...salt in the water Check the TAC Check the level of chlorine stabiliser Backwash We recommend that you set the production rate of your electrolyzer to minimum when carrying out a backwash of the filte...

Page 8: ...enough time for the calcium scale to dissolve When the electrodes have been cleaned remove the solution N B This cleaning solution can be purchased from your specialist swimming pool dealer To make it...

Page 9: ...ue sensor is not connected The unit has been stopped Or the power supply has been cut or a fuse has blown SOLUTIONS Set the pH between 7 2 7 6 Check that the electrodes are clean Check the stabiliser...

Page 10: ...and concern for quality has been used in the construction of our equipment It is subjected to numerous quality controls Our models are regularly updated and improved to make the most of technological...

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