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INSTALLATION PROCEDURES – Natural Oxygen systems 

 

The MK7/CF1-  75 has a 63mm Cell. Reduce to your pipe size (reducers not supplied) 
The MK7/CF1-150 has a 90mm Cell  
 

“CHECK LIST” BEFORE INSTALLATION

: - 

To Achieve a prompt clear non toxic water. 

1.

 

Change your sand regardless of age. Filtration is paramount. The sand required is a 
minimum of 150kg for a normal sized pool. If unsure, please check with us. The 
larger the filter the better the filtration. 

Use high grade glass (silica) sand 

between 0.4 to 0.8 filter grit size. 

 

2.

 

If you have poor grouting, regrout the pool with high grade grouting pH neutral. If 
your pool is old then acid wash your pipes to remove calcium. We recommend you do 
this even if the pool is just a few years old. 

 

3.

 

If your pool has been used with a salt system, you will need to 

change all the 

water

. Salt is simply too corrosive. Even if your pool is new (using salt), you must 

also change the sand. 

 

4.

 

Your Chlorine or Bromine needs to be depleted. Do NOT add these products from 
here onwards. 

 

5.

 

If the above is adhered to, you will have a trouble free pool that will last for years 
and years! This will also make your initial start-up very easy. 

 

REQUIRED FOR WATER SET UP BEFOR SWITCH ON

: -

 

1.

 

5-10 litres of Active Oxygen. (Depending on pool size) 

2.

 

5-10 litres of non copper based algaecide. (Depending on pool size) 

3.

 

Non metallic floc cubes (optional). 

 

FOR YOUR REFERENCE – DIAGRAM ATTACHED

 
CELL POSITION

: - 

The electrode chambers can be installed horizontally or vertically if need be. It is preferable 
to  keep  the  unit  and  cells  in  the  supplied  frame  but on  occasions  this  may  not  be  possible 
depending on your pump room. 
 

CELL CHAMBER PIPE CONNECTIONS: -  

Connect are shown in the attached diagram. Please pay attention to these Connections e.g. 
Note they are the same connections but fitted in reverse.  
 

WATER FLOW

:-  

Water must first flow through the pump, filter, eClear chambers and then back to the return 
jets and into the pool. Connect the eClear system using a BYPASS. 
 
 

CABLE CONNECTIONS TO ELECTRODES

: -  

The White cables

  – 

(

Figure 10

)

 

connect to the Oxygen electrodes with the thin Black Plates!  

The Black cables

   – 

(

Figure 11

) connect to the Algaecide electrodes with the thick Red 

Plates.  
 

 
 
 
 

Summary of Contents for MK7/CF1-150

Page 1: ...m here onwards 5 If the above is adhered to you will have a trouble free pool that will last for years and years This will also make your initial start up very easy REQUIRED FOR WATER SET UP BEFOR SWITCH ON 1 5 10 litres of Active Oxygen Depending on pool size 2 5 10 litres of non copper based algaecide Depending on pool size 3 Non metallic floc cubes optional FOR YOUR REFERENCE DIAGRAM ATTACHED C...

Page 2: ...the UV Optional Then also switch on the UV Figure 9 8 Check the conductivity mA meter Figure 1 Raise to 200mA for the MK7 CF1 75 For the MK7 CF1 150 raise to 250mA This is achieved by setting the pool size switch Figure 2 to A or B then turn the potentiometer knob slowly clockwise Figure 3 This will also depend on the conductivity of your water If the dosing meter indicates a very high output e g ...

Page 3: ...e Calcium NOTE It could take as long as 2 weeks to finally obtain clear consistent water REMEDY This is a short term and initial set up problem meaning that you did not confirm your pool shell and filtration system with us prior to installation for full advice If your tiled pool has sound grouting the filter sand is new and the pipes have been cleaned then your pool is being detoxified The natural...

Page 4: ... on Bypass and switched OFF 3 Use house hold bleach at 4 Litres per 50m3 and per week 4 Add a Non Metallic Algaecide through the skimmer at 1 Litre per 40m3 each week for 3 weeks 5 Add 1 Action Cube or Non Metallic filter flocculent in to the pump Pre Filter Replace when used 6 Back Wash and rinse filters after 24 Hours then once each week 7 After 3 weeks go to number 3 of PROCEDURE 1 NOTE If you ...

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