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Aligator Owners Operator Manual 

13 

Winterisation of outdoor pools if pump circulation is maintained throughout winter 
 
The information contained herewith is intended to be a guide to assist operators of outdoor 
pools in temperate climates (not tropical) to close their pools down for the winter in the most 
economical way. 
IN issuing this guide ALIGATOR does not, and will not be held responsible for any 
problems occurring due to its implementation. 
 

1.

 

Clean all debris and dirt from the pool. 

2.

 

Backwash the filter until the sight glass is absolutely clear. 

3.

 

Top up pool to its normal level. 

4.

 

Bring the pH to 6.8. Alkalinity 90-150. 

5.

 

With the pump set on filter, shock treat the pool according to the instructions given 
earlier. Re-test the pH and adjust if necessary. 

6.

 

Set pump n BYPASS/CIRCULATE and leave on this setting. 

7.

 

Set the Aligator to the winter setting mode

8.

 

During the course of the winter, periodic checks and corrections of the pH should be 
made and debris cleaned from the pool. If it necessary to use the vacuum, the pump 
should be set on waste and not on filter, after which the pool should be topped up to 
its normal level. Reset the pump to bypass/circulate after cleaning operation is 
complete. Note: Once the above operation has been completed the pool is NOT 
suitable for bathers.
 

 
IF THE POOL IS TOTALLY CLOSED DURING THE WINTER AND THE PUMP 
CIRCULATION IS INOPERATIVE, THEN YOU MUST REVERT TO THE START 
UP PROCEDURE DESCRIBED IN PART ONE OF THIS BOOK ON REOPENING 
THE POOL IN THE SPRING.
 

Summary of Contents for Double Chamber System

Page 1: ...d as a reference book and as such should be kept in a water proof wallet in or near the pump room It is designed to assist you to make the very most out if your unit and we have attempted to cover mos...

Page 2: ...nnections LCD Displays Programming Aligator Part Two Electrode Chamber Replacement of Electrodes Part Three Pool Water Preparation Chemical Correction Tables Flocculants And Algaecides Vacuuming and B...

Page 3: ...onnected to the electrodes via the grey four core cable This cable has four plugs Two for the electrodes and two for the flow switch both of which are situated in the electrode chamber Identification...

Page 4: ...ON at end of 12 hours Pool Size Setting The second display shows what pool size has been selected from the table below i e the size of your pool for example POOL Ltrs 9 27000 SIZE Gals 2 6000 The Top...

Page 5: ...OFF Language Setting The fifth display is as shown below with language as selected Language English The top and bottom right hand buttons allow you to select a language English French Spanish Elapsed...

Page 6: ...el bolts securing them through the lid Make sure on replacing the electrodes the rubber seal is placed against the lid underface followed by the stainless steel threaded nut then the electrode Electro...

Page 7: ...UTOMATIC CHLORINATOR PLEASE REFER TO YOUR AGENT OR TO ALIGATOR FOR FURTHER ASSISTANCE STABILISED CHLORINE MUST NOT UNDER ANY CIRCUMSTANCES BE MIXED WITH UNSTABILISED CHLORINE Cyanuric Is a stabilising...

Page 8: ...ol 7 6 7 8 8 0 8 2 50000 litre 11000 gals 300 Gram 600 Gram 900 Gram 1 2 kg 75000 litre 16000 gals 600 Gram 900 Gram 1 2 kg 1 5 kg 100000 litre 22000 gals 900 Gram 1 2 kg 1 5 kg 1 8 kg 125000 litre 28...

Page 9: ...are is needed as the acid id very corrosive and any spillage should be diluted with water without delay Use Bi Carb of Soda to Increase Test Reading of Alkalinity Size of Pool 80 60 40 30 50000 litre...

Page 10: ...ual inspection of the bottom of the pool showing no solids present indicates this situation A frequent vacuuming and backwashing policy however is absolutely essential for the good management of your...

Page 11: ...and chlorine work together to sanitise your pool and protect you from bacteria Neither will work efficiently if the balance of the water is out There is no point in administering chlorine if the pH an...

Page 12: ...s We recommend you obtain a low free copper level test kit and check the level every month The correct level of free copper should be between 2 and 6 parts per million If the level is above 6ppm or be...

Page 13: ...filter shock treat the pool according to the instructions given earlier Re test the pH and adjust if necessary 6 Set pump n BYPASS CIRCULATE and leave on this setting 7 Set the Aligator to the winter...

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