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Installation  and  Operation Manual   Oxy-Vital  COMPACT

   The faucet may not be used to carry the dispenser.
Especially critical with the heavy granite execution - the front plate could break!

1. Purpose

The Oxy-Vital ® dispensers are usually connected to the domestic water supply. Inside the device the water is filtered first and then enriched with medical grade oxygen gas from a presuure tank.

The Oxy-Vital ® dispensers turn common water into a high-quality drink

2. Funktional units

1.   Filter housing with cartridge 10. Connecting tube PTFE  6/4 mm diam. to water supply
2.  Oxygen pressure tank (1 Liter) 11.  Faucet for oxygenated water, front position = OPEN
3. Oxygen pressure reducer                                                    rear position = SHUT
4. Pressure gauge indicating tank pressure 12. Carrying "handle" in the rear 
5. Check valve for water 13. Type plate
6. Check valve for oxygen 14. Connectors and spares
7. Diffusor (O2 - enrichment chamber) 15. Energizer (optional)
8.  Water pressure regulator 16.  Shut valve 3/8" (optional)
9.  Water inlet connection 17.  Filter housing wrench


3.  Working principle


  • Filtration

Prior to the oxygenation process a high-tech 10" filter cartridge & capillary membranes.

The sintered carbon outer shell with a pore size of  0,5 mm removes sediments, turbidity, oxidized iron, larger microorganisms and almost all chlorine, bad tastes and odors, herbizides, pestizides, fungizides, insektizides, drug residuals (espec. steroid hormons) as well as lead.
The inner cartridge of capillary membranes has pores of only  0,15
mm  (absolute!).  Due to the fact that the size of the smallest bacteria is 0,3 mm, they obviously cannot pass the filter cartridge. 

The filtered water flows then through a pressure regulator (8) to the oxygenating chamber (7).
A check valve (5) prevents the oxygen gas from getting into the water supply line.

  • Oxygenation

Inside the diffusor (7) the filtered water and the oxygen gas mix together. The pressure inside the diffusor is approx.  3  bar.
Wenn no water is tapped then the system stays in balance and if all the components and connections are tight, no oxygen gas can escape. A check valve (6) prevents water from getting into the oxygen pressure tank.

4. Installation

Remove the cover after unscrewing the 4 fixing bolts.

Make a tight connection  between the water supply and dispenser inlet (9). This is usually a PTFE or PE tube (10)  of  6/4 mm diameter. 

In case the oxygen pressure tank (2) is not yet mounted, do this now. Insert the tank into the bracket on the bottom of the dispenser and connect the outlet of the tank to the pressure reducer (3). Fasten the swivel nut well, but just by hand.
Do not open the valve of the oxygen tank yet!

5. Start-up

Put some container or bottle under the faucet. Open the faucet putting the handle in the front position .
Open the water supply and let several liters of water pass through the device, till no more air bubbles appear.  
Shut the faucet. The system must stay tight unter the water pressure. 

Open the valve on the oxygen pressure tank
. If the tank is full, the gauge (4) would indicate approx.  200 bar !
In a normal case no hissing sound indicating escaping gas can be heard. Should this although occur, shut the oxygen tank valve and wait till the oxygen lining remain pressureless. Then loosen the swivel nut by hand. Remove the tank from the dispenser and check the surface of the face of the outlet connection. No scratches, other demages or dirt are allowed. The surface must be free of fat (hands!). Then examine the black rubber O-ring in the pressure reducer (3) for obvious defects or dirt. Be aware that even very small particles may cause leakage of a gas at high pressure. If after inserting the pressure tank into position again the oxygen should escape, shut the tank valve and inform your service agent.

If everything is tight, open the faucet and draw 3 to 5 liters of oxygenated water, then shut the faucet again

The device is now ready for tapping oxygenated water.

6. Exchange of the oxygen pressure tank

When the pressure gauge (4) indicates  „zero" bar, it is time to exchange the oxygen pressure tank.

Remove the cover and close the tank valve. Close the water supply.

Open the faucet (11) and let the water drip out till the system becomes pressureless and the swivel nut of the pressure reducer (3) can be released  by hand. This may last several minutes but also half an hour. Don't aply violence.
Remove the oxygen tank from the device. Treat the tank, particularly the outlet connection with care.  
Protect the connecting thread and the face from defects.
The spare tank should be mounted as explained under items 4 & 5.
Don't forget to check the tank connection and the O-ring on the pressure reducer (3) before.

Safety  hints:

OXYGEN  and  FAT do not combine!  Danger of EXPLOSION !!!

No fat or oil may stay at the connection of the pressure reducer (3) and the oxygen pressure tank (2)

Manipulations at the  pressure reducer (3) and the oxygen pressure tank (2), except operation of the tank valve, are absolutely prohibited. 

Don't release the swivel nut of the pressure reducer under pressure ! This is even under relatively low pressure only possible using excessive violence and accompanied with high risks. Let the pressure release first (compare item  6).

Escaping oxygen increases the danger of FIRE.

Pressure tanks and particularly those containing oxygen are always potentially dangerous  and must be treated with special care (transport, storing & applications). Special attention has to be paid to the tank valves to avoid demages.

Exchange of filter cartridge

The filter cartridge (1) combining activated carbon & capillary membranes has high capacity, but should be replaced latest after 12 months ( the manufacturer recommends 6 months!)..

Take care that no unfiltered or poluted water touches the inner part of the new cartridge as well as the inner part of the filter housing's head. Wash your hands well after removing the used cartridge and cleaning the lower part of the filter housing. 

·         Remove the cover

·          Close the water supply

·          Prepare a cloth to pick up some water that may drip out from the filter housing

·          Loosen the lower part (sump) of the filter housing  from the fixed top using the special wrench (17), unscrewing anticlockwise (seen from bellow). In case it is difficult to loosen the sump, remove the water supply connection in the rear (using a wrench 12 mm), let the remaining pressure release. Fix the connection again. The cartridge may pinch in the top and thus it is necessary to move it a little to get it out more easily. Sometimes the plastic collar remains in the top and must be removed by means of pliers.


·          Remove the dirty cartridge and water from the sump.

·          Clean the sump inside well

·          Check the O-ring in the sump . If it is too dry, rub it a little with vaseline or silicon-fat. The ring must be distributed regularly in the groove.

·          Insert the new cartridge into the sump with its OUTLET up.  Take care that the black rubber gasket at the bottom of the cartridge doesn't fall out. Screw the sump to the top again using the wrench (17). Fasten it well but with some feeling!

·          Open the water supply. The system, particularly the filter housing, must stay tight under the water pressure.

·          Wash your hands carefully after exchaning the filter cartreidge, as you have contact with bacteria.

·          Open the faucet (11) and draw 3 to 5 liters water. 

        Caution:  It may last several minutes till the normal flow of 2 liters / minute is achieved. The fine pores in the capillary membranes must get wet first.

·        Fix the cover again.

8. When the device is not used for a longer period

For security reasons close the water supply and the oxygen tank valve.
Do not drain the device completely, particularly the diffusor must remain wet.

9. Warranty

The warranty period lasts 12 months. It begins at the moment of delivery, which is indicated on the invoice or delivery note.
The warranty concerns defects that occur with respect to material or manufacturing faults. The warranty will be denied, if the defects refer to inappropriate operation, ignoring the instruction manual or to intervention of a third party. 



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Copyright © 2000 K. Nehoda, Schweiz, Alle Rechte vorbehalten.  Stand: 16. October 2010  

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